goodboy
GitHub
commit
6ff871ff7d
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@ -1,7 +1,7 @@
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{
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"_meta": {
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"hash": {
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"sha256": "e3eb385c3342f53cdb1793dc2055ec8f42669a15854b358632a5ceaa9dc1135b"
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"sha256": "8d6521c10626550c727da281b89d0b6df5d31eb7dc5fe6e7aadf3de58bae44a7"
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},
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"pipfile-spec": 6,
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"requires": {
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@ -18,9 +18,9 @@
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"default": {
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"asks": {
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"hashes": [
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"sha256:d76a6314ecd7d2f920d2e94b8d7bcbb7a0941aa4c915874869c503c757088df2"
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"sha256:c3fc1115dfeb414ef0863da6f60f02aea7487f92f76b645738774bf93e8577de"
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],
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"version": "==1.3.11"
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"version": "==2.0.0"
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},
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"async-generator": {
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"hashes": [
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@ -31,10 +31,10 @@
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},
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"attrs": {
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"hashes": [
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"sha256:1c7960ccfd6a005cd9f7ba884e6316b5e430a3f1a6c37c5f87d8b43f83b54ec9",
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"sha256:a17a9573a6f475c99b551c0e0a812707ddda1ec9653bed04c13841404ed6f450"
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"sha256:4b90b09eeeb9b88c35bc642cbac057e45a5fd85367b985bd2809c62b7b939265",
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"sha256:e0d0eb91441a3b53dab4d9b743eafc1ac44476296a2053b6ca3af0b139faf87b"
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],
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"version": "==17.4.0"
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"version": "==18.1.0"
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},
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"click": {
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"hashes": [
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@ -52,46 +52,47 @@
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},
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"contextvars": {
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"hashes": [
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"sha256:e9f9c5763d5a2afa6e420218e53954bd3829fc2d8acd806b98139d28c362cdf9"
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"sha256:7d73f8b1426cf0200fbe16900fcd73c9be29c54546b48a3980727e670b1acb10"
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],
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"markers": "python_version < '3.7'",
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"version": "==2.1"
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"version": "==2.2"
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},
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"cython": {
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"hashes": [
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"sha256:03db8c1b8120039f72493b95494a595be13b01b6860cfc93e2a651a001847b3b",
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"sha256:e7c2c87ff2f99ed4be1bb046d6eddfb388af627928037f9e0a420c05daaf14ed",
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"sha256:edd7d499685655031be5b4d33005096b6345f81eeb7ab9d2dd415db0c7bcf64e",
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"sha256:f99a777fda569a88deea863eac2722b5e88957c4d5f4413949740da791857ac9"
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],
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"index": "pypi",
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"version": "==0.28.2"
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"version": "==0.28.3"
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},
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"e1839a8": {
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"editable": true,
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@ -112,14 +113,30 @@
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},
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"idna": {
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"hashes": [
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],
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"version": "==2.6"
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"version": "==2.7"
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},
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"immutables": {
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"hashes": [
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||||
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],
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"version": "==0.5"
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},
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"kivy": {
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"git": "git://github.com/matham/kivy.git",
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"ref": "async-loop"
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"ref": "4f62d0d8754ae2b590b44573200ea07b983f0f7b"
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},
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"msgpack": {
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"hashes": [
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@ -144,59 +161,57 @@
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},
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"multio": {
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"version": "==0.2.1"
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"version": "==0.2.3"
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|
||||
"sha256:d696a8c87315a83983fc59dd27efe034292b9e8ad667aeae51a68b4be14690d9",
|
||||
"sha256:e1864a4e9f93ddb2dc6b62ccc2ec1f8250ff4ac0d3d7a15c8985dd4e1fbd6418"
|
||||
],
|
||||
"version": "==1.14.2"
|
||||
"version": "==1.14.5"
|
||||
},
|
||||
"pandas": {
|
||||
"hashes": [
|
||||
"sha256:02541a4fdd31315f213a5c8e18708abad719ee03eda05f603c4fe973e9b9d770",
|
||||
"sha256:052a66f58783a59ea38fdfee25de083b107baa81fdbe38fabd169d0f9efce2bf",
|
||||
"sha256:06efae5c00b9f4c6e6d3fe1eb52e590ff0ea8e5cb58032c724e04d31c540de53",
|
||||
"sha256:12f2a19d0b0adf31170d98d0e8bcbc59add0965a9b0c65d39e0665400491c0c5",
|
||||
"sha256:244ae0b9e998cfa88452a49b20e29bf582cc7c0e69093876d505aec4f8e1c7fe",
|
||||
"sha256:2907f3fe91ca2119ac3c38de6891bbbc83333bfe0d98309768fee28de563ee7a",
|
||||
"sha256:44a94091dd71f05922eec661638ec1a35f26d573c119aa2fad964f10a2880e6c",
|
||||
"sha256:587a9816cc663c958fcff7907c553b73fe196604f990bc98e1b71ebf07e45b44",
|
||||
"sha256:66403162c8b45325a995493bdd78ad4d8be085e527d721dbfa773d56fbba9c88",
|
||||
"sha256:68ac484e857dcbbd07ea7c6f516cc67f7f143f5313d9bc661470e7f473528882",
|
||||
"sha256:68b121d13177f5128a4c118bb4f73ba40df28292c038389961aa55ea5a996427",
|
||||
"sha256:97c8223d42d43d86ca359a57b4702ca0529c6553e83d736e93a5699951f0f8db",
|
||||
"sha256:af0dbac881f6f87acd325415adea0ce8cccf28f5d4ad7a54b6a1e176e2f7bf70",
|
||||
"sha256:c2cd884794924687edbaad40d18ac984054d247bb877890932c4d41e3c3aba31",
|
||||
"sha256:c372db80a5bcb143c9cb254d50f902772c3b093a4f965275197ec2d2184b1e61"
|
||||
"sha256:211cfdb9f72f26d2ede21c751d27e08fed4434d47fb9bb82ebc8ff753888b8b6",
|
||||
"sha256:28fd087514616549a0e3259cd68ac88d7eaed6bd3062017a7f312e27941266bd",
|
||||
"sha256:2fb7c63138bd5ead296b18b2cb6abd3a394f7581e5ae052b02b27df8244b03ca",
|
||||
"sha256:372435456c349a8d39ff001967b161f6bd29d4c3de145a4cf9b366648defbb1f",
|
||||
"sha256:3790a3348ab0f416e58061d21693cb662fbb2f638001b94bf2b2199fedc1b1c2",
|
||||
"sha256:437a6e906a6717a9ed2627cf6e7895b63dfaa0172567cbd75a553f55cf78cc17",
|
||||
"sha256:50b52af2af2e15f4aeb2fe196da073a8c131fa02e433e105d95ce40016df5690",
|
||||
"sha256:720daad75b5d35dd1b446842210c4f3fd447464c9c0884972f3f12b213a9edd1",
|
||||
"sha256:b4fb71acbc2709b8f5993cb4b5445d8182864f11c39787e317aae39f21206270",
|
||||
"sha256:b704fd73022342cce612996de495a16954311e0c0cf077c1b83d5cf0b9656a60",
|
||||
"sha256:cbbecca0c7af6a2160b2d6ba30becc286824a98c61dcc6a41fada664f226424c",
|
||||
"sha256:d2a071de755cc8ee7784e1b4c7b9b643d951d35c8adea7d64fe7c57cff9c47a7",
|
||||
"sha256:d8154c5c68713a82461aba735832f0b4692be8a45a0a340a303bf90d6f80f36f",
|
||||
"sha256:e1b86f7c55467ce1f6c12715f2fd1817f4a909b5c8c39bd4b5d2415ef2b04bd8",
|
||||
"sha256:fcc63e8134516e93e16eb4ceac9afaa51f4adc5bf58efddae7cbc562f5b77dd0"
|
||||
],
|
||||
"version": "==0.22.0"
|
||||
"version": "==0.23.1"
|
||||
},
|
||||
"pdbpp": {
|
||||
"hashes": [
|
||||
|
|
@ -214,10 +229,10 @@
|
|||
},
|
||||
"python-dateutil": {
|
||||
"hashes": [
|
||||
"sha256:3220490fb9741e2342e1cf29a503394fdac874bc39568288717ee67047ff29df",
|
||||
"sha256:9d8074be4c993fbe4947878ce593052f71dac82932a677d49194d8ce9778002e"
|
||||
"sha256:1adb80e7a782c12e52ef9a8182bebeb73f1d7e24e374397af06fb4956c8dc5c0",
|
||||
"sha256:e27001de32f627c22380a688bcc43ce83504a7bc5da472209b4c70f02829f0b8"
|
||||
],
|
||||
"version": "==2.7.2"
|
||||
"version": "==2.7.3"
|
||||
},
|
||||
"pytz": {
|
||||
"hashes": [
|
||||
|
|
@ -235,15 +250,14 @@
|
|||
},
|
||||
"sortedcontainers": {
|
||||
"hashes": [
|
||||
"sha256:566cf5f8dbada3aed99737a19d98f03d15d76bf2a6c27e4fb0f4a718a99be761",
|
||||
"sha256:fa96e9920a37bde76bfdcaca919a125c1d2e581af1137e25de54ee0da7835282"
|
||||
"sha256:607294c6e291a270948420f7ffa1fb3ed47384a4c08db6d1e9c92d08a6981982",
|
||||
"sha256:ef38b128302ee8f65d81e31c9d8fbf10d81df4d6d06c9c0b66f01d33747525bb"
|
||||
],
|
||||
"version": "==1.5.10"
|
||||
"version": "==2.0.4"
|
||||
},
|
||||
"trio": {
|
||||
"hashes": [
|
||||
"sha256:0496f575ed118eb382346a728971766d54b3a3e39e9825e94d4d513b0fe96145",
|
||||
"sha256:8266525067dc6553592383bef1832556e6962daba765fa42a81880c5d9f4b785",
|
||||
"sha256:fc5513551d22ec2be8bd05ddd56e9c3c377ac47c79a3866fa2d8710bfae4a0cb"
|
||||
],
|
||||
"version": "==0.4.0"
|
||||
|
|
@ -258,9 +272,9 @@
|
|||
"develop": {
|
||||
"asks": {
|
||||
"hashes": [
|
||||
"sha256:d76a6314ecd7d2f920d2e94b8d7bcbb7a0941aa4c915874869c503c757088df2"
|
||||
"sha256:c3fc1115dfeb414ef0863da6f60f02aea7487f92f76b645738774bf93e8577de"
|
||||
],
|
||||
"version": "==1.3.11"
|
||||
"version": "==2.0.0"
|
||||
},
|
||||
"async-generator": {
|
||||
"hashes": [
|
||||
|
|
@ -269,12 +283,19 @@
|
|||
],
|
||||
"version": "==1.9"
|
||||
},
|
||||
"atomicwrites": {
|
||||
"hashes": [
|
||||
"sha256:240831ea22da9ab882b551b31d4225591e5e447a68c5e188db5b89ca1d487585",
|
||||
"sha256:a24da68318b08ac9c9c45029f4a10371ab5b20e4226738e150e6e7c571630ae6"
|
||||
],
|
||||
"version": "==1.1.5"
|
||||
},
|
||||
"attrs": {
|
||||
"hashes": [
|
||||
"sha256:1c7960ccfd6a005cd9f7ba884e6316b5e430a3f1a6c37c5f87d8b43f83b54ec9",
|
||||
"sha256:a17a9573a6f475c99b551c0e0a812707ddda1ec9653bed04c13841404ed6f450"
|
||||
"sha256:4b90b09eeeb9b88c35bc642cbac057e45a5fd85367b985bd2809c62b7b939265",
|
||||
"sha256:e0d0eb91441a3b53dab4d9b743eafc1ac44476296a2053b6ca3af0b139faf87b"
|
||||
],
|
||||
"version": "==17.4.0"
|
||||
"version": "==18.1.0"
|
||||
},
|
||||
"click": {
|
||||
"hashes": [
|
||||
|
|
@ -292,46 +313,47 @@
|
|||
},
|
||||
"contextvars": {
|
||||
"hashes": [
|
||||
"sha256:e9f9c5763d5a2afa6e420218e53954bd3829fc2d8acd806b98139d28c362cdf9"
|
||||
"sha256:7d73f8b1426cf0200fbe16900fcd73c9be29c54546b48a3980727e670b1acb10"
|
||||
],
|
||||
"markers": "python_version < '3.7'",
|
||||
"version": "==2.1"
|
||||
"version": "==2.2"
|
||||
},
|
||||
"cython": {
|
||||
"hashes": [
|
||||
"sha256:03db8c1b8120039f72493b95494a595be13b01b6860cfc93e2a651a001847b3b",
|
||||
"sha256:0d2ccb812d73e67557fd16e7aa7bc5bac18933c1dfe306133cd0680ccab89f33",
|
||||
"sha256:24f8ea864de733f5a447896cbeec2cac212247e33272539670b9f466f43f23db",
|
||||
"sha256:30a8fd029eb932a7b5a74e158316d1d069ccb67a8607aa7b6c4ed19fab7fbd4a",
|
||||
"sha256:37e680901e6a4b97ab67717f9b43fc58542cd10a77431efd2d8801d21d5a37d4",
|
||||
"sha256:4984e097bc9da37862d97c1f66dacf2c80fadaea488d96ba0b5ea9d84dbc7521",
|
||||
"sha256:4cfda677227af41e4502e088ee9875e71922238a207d0c40785a0fb09c703c21",
|
||||
"sha256:4ec60a4086a175a81b9258f810440a6dd2671aa4b419d8248546d85a7de6a93f",
|
||||
"sha256:51c7d48ea4cba532d11a6d128ebbc15373013f816e5d1c3a3946650b582a30b8",
|
||||
"sha256:634e2f10fc8d026c633cffacb45cd8f4582149fa68e1428124e762dbc566e68a",
|
||||
"sha256:67e0359709c8addc3ecb19e1dec6d84d67647e3906da618b953001f6d4480275",
|
||||
"sha256:6a93d4ba0461edc7a359241f4ebbaa8f9bc9490b3540a8dd0460bef8c2c706db",
|
||||
"sha256:6ba89d56c3ee45716378cda4f0490c3abe1edf79dce8b997f31608b14748a52b",
|
||||
"sha256:6ca5436d470584ba6fd399a802c9d0bcf76cf1edb0123725a4de2f0048f9fa07",
|
||||
"sha256:7656895cdd59d56dd4ed326d1ee9ede727020d4a5d8778a05af2d8e25af4b13d",
|
||||
"sha256:85f7432776870d65639fed00f951a3c05ef1e534bc72a73cd1200d79b9a7d7d0",
|
||||
"sha256:96dd674e72281d3feed74fd5adcf0514ba02884f123cdf4fb78567e7be6b1694",
|
||||
"sha256:97bf06a89bcf9e8d7633cde89274d42b3b661dc974b58fca066fad762e46b4d8",
|
||||
"sha256:9a465e7296a4629139be5d2015577f2ae5e08196eb7dc4c407beea130f362dc3",
|
||||
"sha256:9a60355edca1cc9006be086e2633e190542aad2bf9e46948792a48b3ae28ed97",
|
||||
"sha256:9eab3696f2cb88167db109d737c787fb9dd34ca414bd1e0c424e307956e02c94",
|
||||
"sha256:c3ae7d40ebceb0d944dfeeceaf1fbf17e528f5327d97b008a8623ddddd1ecee3",
|
||||
"sha256:c623d19fcc60ea27882f20cf484218926ddf6f978b958dae1070600a1974f809",
|
||||
"sha256:c719a6e86d7c737afcc9729994f76b284d1c512099ee803eff11c2a9e6e33a42",
|
||||
"sha256:cf17af0433218a1e33dc6f3069dd9e7cd0c80fe505972c3acd548e25f67973fd",
|
||||
"sha256:daf96e0d232605e979995795f62ffd24c5c6ecea4526e4cbb86d80f01da954b2",
|
||||
"sha256:db40de7d03842d3c4625028a74189ade52b27f8efaeb0d2ca06474f57e0813b2",
|
||||
"sha256:deea1ef59445568dd7738fa3913aea7747e4927ff4ae3c10737844b8a5dd3e22",
|
||||
"sha256:e05d28b5ce1ee5939d83e50344980659688ecaed65c5e10214d817ecf5d1fe6a",
|
||||
"sha256:f5f6694ce668eb7a9b59550bfe4265258809c9b0665c206b26d697df2eef2a8b"
|
||||
"sha256:0344e9352b0915910e212c38403b63f902ce1cba75dde7a43a9112ff960eb2a5",
|
||||
"sha256:0a390c39e912fc5f82d5feae2d16ea061971407099e1efb0fecb255cb96fbeff",
|
||||
"sha256:0f2b2e09f94c498f555935e732b7321b5f62f00e7a789238f6c5ddd66987a54d",
|
||||
"sha256:15614592616b6dd5e919e158796350ebeba6cb6b5d2998cfff41b53f568c8355",
|
||||
"sha256:1aae6d6e9858888144cea147eb5e677830f45faaff3d305d77378c3cba55f526",
|
||||
"sha256:200583297f23e558744bc4688d8a2b2605ab6ad7d1494a9fd8c8094ad65ebf3c",
|
||||
"sha256:295facc211a6b55db9979455b856180f2839be22ab767ffdea55986bee83ca9f",
|
||||
"sha256:36c16bf39280fe857213d8da31c07a6179d3878c3dc2e435dce0974b9f8f0729",
|
||||
"sha256:3fef8dfa9cf86ab7814ca31369374ddd5b9524f54406aa83b53b5937965b8e88",
|
||||
"sha256:439d233d3214e3d69c033a9a93516758f2c8a03e83ea51ae14b6eed13687d224",
|
||||
"sha256:455ab39c6c0849a6c008fcdf2fae42475f18d0801a3be229e8f75367bbe3b325",
|
||||
"sha256:56821e3791209e6a11992e294afbf7e3dcda7d4fd54d06396dd521928d3d14fe",
|
||||
"sha256:62b594584889b33bbea7e71f9d7c5c6539091b341334ef7ca1ae7e30a9dd3e15",
|
||||
"sha256:70f81a75fb25c1c3c61843e3a6fe771a76c4ebf4d154455a7eff0740ad47dff4",
|
||||
"sha256:8011090beb09251cb4ece1e14263e574b38eda696b788552b369ad343373d0e9",
|
||||
"sha256:80d6a0369333a162fc32a22637f5870f3e87fb038c7b58860bbe00b05b58aa62",
|
||||
"sha256:85b04e32af58a3c008c0ba8169017770aaa342a5972b748f81d043d66363e437",
|
||||
"sha256:9c4db4cfc8ac219b50484a505e3327142db04d5e9954aaed00ab729ef4beb142",
|
||||
"sha256:9ed273d82116fa148c92901b9639030e087979d455982bd7bf727fb486c0bd17",
|
||||
"sha256:a1af59e6c9b4acc07c429d8495fc016a35e0a1270f28c57317352f512df7e214",
|
||||
"sha256:b894ff4daf8dfaf657bf2d5e7190a4de11b2400b1e0fb0902974d35c23a26dea",
|
||||
"sha256:c2659981150b4de04397dcfd4bff64e384d3ba25af60d1b22820fdf108298cb2",
|
||||
"sha256:c347d0a129c9742fefeaecf2455576c5ae73362aa01a27cea26fac237b7e2a87",
|
||||
"sha256:c981a750858f1727995acf861ab030b267d264ca6efda2f01104941187a3675f",
|
||||
"sha256:cc4152b19ec168391f7815d24b70c8911829ba281bd5fcd98cab9dc21abe62ff",
|
||||
"sha256:d0f5b1668e7f7f6fc9849f49a20c5db10562a0ab29cd66818894dfebbca7b304",
|
||||
"sha256:d7152006ed1a3adb8f978077b57d237ddafa188240af53cd72b5c79e4ed000e3",
|
||||
"sha256:e5f877472993474296125c22b84c334b550010815e513cccce73da854a132d64",
|
||||
"sha256:e7c2c87ff2f99ed4be1bb046d6eddfb388af627928037f9e0a420c05daaf14ed",
|
||||
"sha256:edd7d499685655031be5b4d33005096b6345f81eeb7ab9d2dd415db0c7bcf64e",
|
||||
"sha256:f99a777fda569a88deea863eac2722b5e88957c4d5f4413949740da791857ac9"
|
||||
],
|
||||
"index": "pypi",
|
||||
"version": "==0.28.2"
|
||||
"version": "==0.28.3"
|
||||
},
|
||||
"e1839a8": {
|
||||
"editable": true,
|
||||
|
|
@ -352,18 +374,34 @@
|
|||
},
|
||||
"idna": {
|
||||
"hashes": [
|
||||
"sha256:2c6a5de3089009e3da7c5dde64a141dbc8551d5b7f6cf4ed7c2568d0cc520a8f",
|
||||
"sha256:8c7309c718f94b3a625cb648ace320157ad16ff131ae0af362c9f21b80ef6ec4"
|
||||
"sha256:156a6814fb5ac1fc6850fb002e0852d56c0c8d2531923a51032d1b70760e186e",
|
||||
"sha256:684a38a6f903c1d71d6d5fac066b58d7768af4de2b832e426ec79c30daa94a16"
|
||||
],
|
||||
"version": "==2.6"
|
||||
"version": "==2.7"
|
||||
},
|
||||
"immutables": {
|
||||
"hashes": [
|
||||
"sha256:1614177d08408176a7b12313d6efefad41c3ba17e56cbeb404bb74f83cfdeaac",
|
||||
"sha256:18cd84d5ff10ffd42db163d4aad88128d86c2939335b068852f8f399594521ee",
|
||||
"sha256:4d29f0e6a880a20f94c9efd4672212c3276fa303621a4bdf2a5e4ba7f27cba84",
|
||||
"sha256:5180319a7aebc9319e63e7ea663830d46566b84bed91cbcdb50e247d65fbda07",
|
||||
"sha256:57d17742fccec4c0466ab658053fab1a327df42241e7b1cab28e5b85e7066ac1",
|
||||
"sha256:75e2e4e9441938690821adc1ab00829a174f696aef1c52ae6aba767219d1e84f",
|
||||
"sha256:812fd1124fca2f56a3a7f376f34ac44719f131d82b6001323aef84faa8be7f00",
|
||||
"sha256:8a3d2fc0d9db57188f28d3e6cefe45e9905292965895a7a391be6ededa626811",
|
||||
"sha256:95da22e2d16b47dbd3464ae447b94f8d74866bce045be216dd1691f2f1838a94",
|
||||
"sha256:9c8e0267a4d35032ccc670e5ab52aba2693ded330c4c1f2a4870b4a7c86b65af",
|
||||
"sha256:da1c24d6ab6b38604444b4b767b3bf6074dfa3f7d15d8192a3a4935f61f00bd6"
|
||||
],
|
||||
"version": "==0.5"
|
||||
},
|
||||
"more-itertools": {
|
||||
"hashes": [
|
||||
"sha256:0dd8f72eeab0d2c3bd489025bb2f6a1b8342f9b198f6fc37b52d15cfa4531fea",
|
||||
"sha256:11a625025954c20145b37ff6309cd54e39ca94f72f6bb9576d1195db6fa2442e",
|
||||
"sha256:c9ce7eccdcb901a2c75d326ea134e0886abfbea5f93e91cc95de9507c0816c44"
|
||||
"sha256:2b6b9893337bfd9166bee6a62c2b0c9fe7735dcf85948b387ec8cba30e85d8e8",
|
||||
"sha256:6703844a52d3588f951883005efcf555e49566a48afd4db4e965d69b883980d3",
|
||||
"sha256:a18d870ef2ffca2b8463c0070ad17b5978056f403fb64e3f15fe62a52db21cc0"
|
||||
],
|
||||
"version": "==4.1.0"
|
||||
"version": "==4.2.0"
|
||||
},
|
||||
"msgpack": {
|
||||
"hashes": [
|
||||
|
|
@ -388,59 +426,57 @@
|
|||
},
|
||||
"multio": {
|
||||
"hashes": [
|
||||
"sha256:53fd38f5d90a5f1a5d2db507b73c474ef851f5465fab27ffabe401591808258a",
|
||||
"sha256:a6219395a1f84605c9041f0a7e8a529b989557c8a95920ddcd29fbed1d721758",
|
||||
"sha256:f61bc6cf0ee8ea0ba32d5b9ae5ae1cadaebc39b6635a9b3d54142ded78164fe3"
|
||||
"sha256:dcaee4d5d77cde8caf7902c8621aaa192febb384c7b1291fd47cfa41ac0eaebc"
|
||||
],
|
||||
"version": "==0.2.1"
|
||||
"version": "==0.2.3"
|
||||
},
|
||||
"numpy": {
|
||||
"hashes": [
|
||||
"sha256:0739146eaf4985962f07c62f7133aca89f3a600faac891ce6c7f3a1e2afe5272",
|
||||
"sha256:07e21f14490324cc1160db101e9b6c1233c33985af4cb1d301dd02650fea1d7f",
|
||||
"sha256:0f6a5ed0cd7ab1da11f5c07a8ecada73fc55a70ef7bb6311a4109891341d7277",
|
||||
"sha256:0fd65cbbfdbf76bbf80c445d923b3accefea0fe2c2082049e0ce947c81fe1d3f",
|
||||
"sha256:20cac3123d791e4bf8482a580d98d6b5969ba348b9d5364df791ba3a666b660d",
|
||||
"sha256:528ce59ded2008f9e8543e0146acb3a98a9890da00adf8904b1e18c82099418b",
|
||||
"sha256:56e392b7c738bd70e6f46cf48c8194d3d1dd4c5a59fae4b30c58bb6ef86e5233",
|
||||
"sha256:675e0f23967ce71067d12b6944add505d5f0a251f819cfb44bdf8ee7072c090d",
|
||||
"sha256:6be6b0ca705321c178c9858e5ad5611af664bbdfae1df1541f938a840a103888",
|
||||
"sha256:719d914f564f35cce4dc103808f8297c807c9f0297ac183ed81ae8b5650e698e",
|
||||
"sha256:768e777cc1ffdbf97c507f65975c8686ebafe0f3dc8925d02ac117acc4669ce9",
|
||||
"sha256:7f76d406c6b998d6410198dcb82688dcdaec7d846aa87e263ccf52efdcfeba30",
|
||||
"sha256:8c18ee4dddd5c6a811930c0a7c7947bf16387da3b394725f6063f1366311187d",
|
||||
"sha256:99051e03b445117b26028623f1a487112ddf61a09a27e2d25e6bc07d37d94f25",
|
||||
"sha256:a1413d06abfa942ca0553bf3bccaff5fdb36d55b84f2248e36228db871147dab",
|
||||
"sha256:a7157c9ac6bddd2908c35ef099e4b643bc0e0ebb4d653deb54891d29258dd329",
|
||||
"sha256:a958bf9d4834c72dee4f91a0476e7837b8a2966dc6fcfc42c421405f98d0da51",
|
||||
"sha256:bb370120de6d26004358611441e07acda26840e41dfedc259d7f8cc613f96495",
|
||||
"sha256:d0928076d9bd8a98de44e79b1abe50c1456e7abbb40af7ef58092086f1a6c729",
|
||||
"sha256:d858423f5ed444d494b15c4cc90a206e1b8c31354c781ac7584da0d21c09c1c3",
|
||||
"sha256:e6120d63b50e2248219f53302af7ec6fa2a42ed1f37e9cda2c76dbaca65036a7",
|
||||
"sha256:f2b1378b63bdb581d5d7af2ec0373c8d40d651941d283a2afd7fc71184b3f570",
|
||||
"sha256:facc6f925c3099ac01a1f03758100772560a0b020fb9d70f210404be08006bcb"
|
||||
"sha256:07379fe0b450f6fd6e5934a9bc015025bb4ce1c8fbed3ca8bef29328b1bc9570",
|
||||
"sha256:085afac75bbc97a096744fcfc97a4b321c5a87220286811e85089ae04885acdd",
|
||||
"sha256:2d6481c6bdab1c75affc0fc71eb1bd4b3ecef620d06f2f60c3f00521d54be04f",
|
||||
"sha256:2df854df882d322d5c23087a4959e145b953dfff2abe1774fec4f639ac2f3160",
|
||||
"sha256:381ad13c30cd1d0b2f3da8a0c1a4aa697487e8bb0e9e0cbeb7439776bcb645f8",
|
||||
"sha256:385f1ce46e08676505b692bfde918c1e0b350963a15ef52d77691c2cf0f5dbf6",
|
||||
"sha256:4d278c2261be6423c5e63d8f0ceb1b0c6db3ff83f2906f4b860db6ae99ca1bb5",
|
||||
"sha256:51c5dcb51cf88b34b7d04c15f600b07c6ccbb73a089a38af2ab83c02862318da",
|
||||
"sha256:589336ba5199c8061239cf446ee2f2f1fcc0c68e8531ee1382b6fc0c66b2d388",
|
||||
"sha256:5edf1acc827ed139086af95ce4449b7b664f57a8c29eb755411a634be280d9f2",
|
||||
"sha256:6b82b81c6b3b70ed40bc6d0b71222ebfcd6b6c04a6e7945a936e514b9113d5a3",
|
||||
"sha256:6c57f973218b776195d0356e556ec932698f3a563e2f640cfca7020086383f50",
|
||||
"sha256:758d1091a501fd2d75034e55e7e98bfd1370dc089160845c242db1c760d944d9",
|
||||
"sha256:8622db292b766719810e0cb0f62ef6141e15fe32b04e4eb2959888319e59336b",
|
||||
"sha256:8b8dcfcd630f1981f0f1e3846fae883376762a0c1b472baa35b145b911683b7b",
|
||||
"sha256:97fa8f1dceffab782069b291e38c4c2227f255cdac5f1e3346666931df87373e",
|
||||
"sha256:9d69967673ab7b028c2df09cae05ba56bf4e39e3cb04ebe452b6035c3b49848e",
|
||||
"sha256:9e1f53afae865cc32459ad211493cf9e2a3651a7295b7a38654ef3d123808996",
|
||||
"sha256:a4a433b3a264dbc9aa9c7c241e87c0358a503ea6394f8737df1683c7c9a102ac",
|
||||
"sha256:baadc5f770917ada556afb7651a68176559f4dca5f4b2d0947cd15b9fb84fb51",
|
||||
"sha256:c725d11990a9243e6ceffe0ab25a07c46c1cc2c5dc55e305717b5afe856c9608",
|
||||
"sha256:d696a8c87315a83983fc59dd27efe034292b9e8ad667aeae51a68b4be14690d9",
|
||||
"sha256:e1864a4e9f93ddb2dc6b62ccc2ec1f8250ff4ac0d3d7a15c8985dd4e1fbd6418"
|
||||
],
|
||||
"version": "==1.14.2"
|
||||
"version": "==1.14.5"
|
||||
},
|
||||
"pandas": {
|
||||
"hashes": [
|
||||
"sha256:02541a4fdd31315f213a5c8e18708abad719ee03eda05f603c4fe973e9b9d770",
|
||||
"sha256:052a66f58783a59ea38fdfee25de083b107baa81fdbe38fabd169d0f9efce2bf",
|
||||
"sha256:06efae5c00b9f4c6e6d3fe1eb52e590ff0ea8e5cb58032c724e04d31c540de53",
|
||||
"sha256:12f2a19d0b0adf31170d98d0e8bcbc59add0965a9b0c65d39e0665400491c0c5",
|
||||
"sha256:244ae0b9e998cfa88452a49b20e29bf582cc7c0e69093876d505aec4f8e1c7fe",
|
||||
"sha256:2907f3fe91ca2119ac3c38de6891bbbc83333bfe0d98309768fee28de563ee7a",
|
||||
"sha256:44a94091dd71f05922eec661638ec1a35f26d573c119aa2fad964f10a2880e6c",
|
||||
"sha256:587a9816cc663c958fcff7907c553b73fe196604f990bc98e1b71ebf07e45b44",
|
||||
"sha256:66403162c8b45325a995493bdd78ad4d8be085e527d721dbfa773d56fbba9c88",
|
||||
"sha256:68ac484e857dcbbd07ea7c6f516cc67f7f143f5313d9bc661470e7f473528882",
|
||||
"sha256:68b121d13177f5128a4c118bb4f73ba40df28292c038389961aa55ea5a996427",
|
||||
"sha256:97c8223d42d43d86ca359a57b4702ca0529c6553e83d736e93a5699951f0f8db",
|
||||
"sha256:af0dbac881f6f87acd325415adea0ce8cccf28f5d4ad7a54b6a1e176e2f7bf70",
|
||||
"sha256:c2cd884794924687edbaad40d18ac984054d247bb877890932c4d41e3c3aba31",
|
||||
"sha256:c372db80a5bcb143c9cb254d50f902772c3b093a4f965275197ec2d2184b1e61"
|
||||
"sha256:211cfdb9f72f26d2ede21c751d27e08fed4434d47fb9bb82ebc8ff753888b8b6",
|
||||
"sha256:28fd087514616549a0e3259cd68ac88d7eaed6bd3062017a7f312e27941266bd",
|
||||
"sha256:2fb7c63138bd5ead296b18b2cb6abd3a394f7581e5ae052b02b27df8244b03ca",
|
||||
"sha256:372435456c349a8d39ff001967b161f6bd29d4c3de145a4cf9b366648defbb1f",
|
||||
"sha256:3790a3348ab0f416e58061d21693cb662fbb2f638001b94bf2b2199fedc1b1c2",
|
||||
"sha256:437a6e906a6717a9ed2627cf6e7895b63dfaa0172567cbd75a553f55cf78cc17",
|
||||
"sha256:50b52af2af2e15f4aeb2fe196da073a8c131fa02e433e105d95ce40016df5690",
|
||||
"sha256:720daad75b5d35dd1b446842210c4f3fd447464c9c0884972f3f12b213a9edd1",
|
||||
"sha256:b4fb71acbc2709b8f5993cb4b5445d8182864f11c39787e317aae39f21206270",
|
||||
"sha256:b704fd73022342cce612996de495a16954311e0c0cf077c1b83d5cf0b9656a60",
|
||||
"sha256:cbbecca0c7af6a2160b2d6ba30becc286824a98c61dcc6a41fada664f226424c",
|
||||
"sha256:d2a071de755cc8ee7784e1b4c7b9b643d951d35c8adea7d64fe7c57cff9c47a7",
|
||||
"sha256:d8154c5c68713a82461aba735832f0b4692be8a45a0a340a303bf90d6f80f36f",
|
||||
"sha256:e1b86f7c55467ce1f6c12715f2fd1817f4a909b5c8c39bd4b5d2415ef2b04bd8",
|
||||
"sha256:fcc63e8134516e93e16eb4ceac9afaa51f4adc5bf58efddae7cbc562f5b77dd0"
|
||||
],
|
||||
"version": "==0.22.0"
|
||||
"version": "==0.23.1"
|
||||
},
|
||||
"pdbpp": {
|
||||
"hashes": [
|
||||
|
|
@ -459,10 +495,10 @@
|
|||
},
|
||||
"py": {
|
||||
"hashes": [
|
||||
"sha256:29c9fab495d7528e80ba1e343b958684f4ace687327e6f789a94bf3d1915f881",
|
||||
"sha256:983f77f3331356039fdd792e9220b7b8ee1aa6bd2b25f567a963ff1de5a64f6a"
|
||||
"sha256:3fd59af7435864e1a243790d322d763925431213b6b8529c6ca71081ace3bbf7",
|
||||
"sha256:e31fb2767eb657cbde86c454f02e99cb846d3cd9d61b318525140214fdc0e98e"
|
||||
],
|
||||
"version": "==1.5.3"
|
||||
"version": "==1.5.4"
|
||||
},
|
||||
"pygments": {
|
||||
"hashes": [
|
||||
|
|
@ -473,18 +509,18 @@
|
|||
},
|
||||
"pytest": {
|
||||
"hashes": [
|
||||
"sha256:6266f87ab64692112e5477eba395cfedda53b1933ccd29478e671e73b420c19c",
|
||||
"sha256:fae491d1874f199537fd5872b5e1f0e74a009b979df9d53d1553fd03da1703e1"
|
||||
"sha256:8ea01fc4fcc8e1b1e305252b4bc80a1528019ab99fd3b88666c9dc38d754406c",
|
||||
"sha256:90898786b3d0b880b47645bae7b51aa9bbf1e9d1e4510c2cfd15dd65c70ea0cd"
|
||||
],
|
||||
"index": "pypi",
|
||||
"version": "==3.5.0"
|
||||
"version": "==3.6.2"
|
||||
},
|
||||
"python-dateutil": {
|
||||
"hashes": [
|
||||
"sha256:3220490fb9741e2342e1cf29a503394fdac874bc39568288717ee67047ff29df",
|
||||
"sha256:9d8074be4c993fbe4947878ce593052f71dac82932a677d49194d8ce9778002e"
|
||||
"sha256:1adb80e7a782c12e52ef9a8182bebeb73f1d7e24e374397af06fb4956c8dc5c0",
|
||||
"sha256:e27001de32f627c22380a688bcc43ce83504a7bc5da472209b4c70f02829f0b8"
|
||||
],
|
||||
"version": "==2.7.2"
|
||||
"version": "==2.7.3"
|
||||
},
|
||||
"pytz": {
|
||||
"hashes": [
|
||||
|
|
@ -502,15 +538,14 @@
|
|||
},
|
||||
"sortedcontainers": {
|
||||
"hashes": [
|
||||
"sha256:566cf5f8dbada3aed99737a19d98f03d15d76bf2a6c27e4fb0f4a718a99be761",
|
||||
"sha256:fa96e9920a37bde76bfdcaca919a125c1d2e581af1137e25de54ee0da7835282"
|
||||
"sha256:607294c6e291a270948420f7ffa1fb3ed47384a4c08db6d1e9c92d08a6981982",
|
||||
"sha256:ef38b128302ee8f65d81e31c9d8fbf10d81df4d6d06c9c0b66f01d33747525bb"
|
||||
],
|
||||
"version": "==1.5.10"
|
||||
"version": "==2.0.4"
|
||||
},
|
||||
"trio": {
|
||||
"hashes": [
|
||||
"sha256:0496f575ed118eb382346a728971766d54b3a3e39e9825e94d4d513b0fe96145",
|
||||
"sha256:8266525067dc6553592383bef1832556e6962daba765fa42a81880c5d9f4b785",
|
||||
"sha256:fc5513551d22ec2be8bd05ddd56e9c3c377ac47c79a3866fa2d8710bfae4a0cb"
|
||||
],
|
||||
"version": "==0.4.0"
|
||||
|
|
|
|||
|
|
@ -8,11 +8,14 @@ import socket
|
|||
from types import ModuleType
|
||||
from typing import Coroutine, Callable
|
||||
|
||||
import msgpack
|
||||
import trio
|
||||
|
||||
from .. import tractor
|
||||
from ..log import get_logger
|
||||
from ..ipc import Channel
|
||||
from . import get_brokermod
|
||||
|
||||
|
||||
log = get_logger('broker.core')
|
||||
|
||||
|
||||
|
|
@ -69,138 +72,13 @@ async def wait_for_network(net_func: Callable, sleep: int = 1) -> dict:
|
|||
await trio.sleep(sleep)
|
||||
|
||||
|
||||
class StreamQueue:
|
||||
"""Stream wrapped as a queue that delivers ``msgpack`` serialized objects.
|
||||
"""
|
||||
def __init__(self, stream):
|
||||
self.stream = stream
|
||||
self.peer = stream.socket.getpeername()
|
||||
self._agen = self._iter_packets()
|
||||
|
||||
async def _iter_packets(self):
|
||||
"""Yield packets from the underlying stream.
|
||||
"""
|
||||
unpacker = msgpack.Unpacker(raw=False)
|
||||
while True:
|
||||
try:
|
||||
data = await self.stream.receive_some(2**10)
|
||||
log.trace(f"Data is {data}")
|
||||
except trio.BrokenStreamError:
|
||||
log.error(f"Stream connection {self.peer} broke")
|
||||
return
|
||||
|
||||
if data == b'':
|
||||
log.debug("Stream connection was closed")
|
||||
return
|
||||
|
||||
unpacker.feed(data)
|
||||
for packet in unpacker:
|
||||
yield packet
|
||||
|
||||
async def put(self, data):
|
||||
return await self.stream.send_all(
|
||||
msgpack.dumps(data, use_bin_type=True))
|
||||
|
||||
async def get(self):
|
||||
return await self._agen.asend(None)
|
||||
|
||||
async def __aiter__(self):
|
||||
return self._agen
|
||||
|
||||
|
||||
class Client:
|
||||
"""The most basic client.
|
||||
|
||||
Use this to talk to any micro-service daemon or other client(s) over a
|
||||
TCP socket managed by ``trio``.
|
||||
"""
|
||||
def __init__(
|
||||
self, sockaddr: tuple,
|
||||
on_reconnect: Coroutine,
|
||||
auto_reconnect: bool = True,
|
||||
):
|
||||
self.sockaddr = sockaddr
|
||||
self._recon_seq = on_reconnect
|
||||
self._autorecon = auto_reconnect
|
||||
self.squeue = None
|
||||
|
||||
async def connect(self, sockaddr: tuple = None, **kwargs):
|
||||
sockaddr = sockaddr or self.sockaddr
|
||||
stream = await trio.open_tcp_stream(*sockaddr, **kwargs)
|
||||
self.squeue = StreamQueue(stream)
|
||||
return stream
|
||||
|
||||
async def send(self, item):
|
||||
await self.squeue.put(item)
|
||||
|
||||
async def recv(self):
|
||||
try:
|
||||
return await self.squeue.get()
|
||||
except trio.BrokenStreamError as err:
|
||||
if self._autorecon:
|
||||
await self._reconnect()
|
||||
return await self.recv()
|
||||
|
||||
async def aclose(self, *args):
|
||||
await self.squeue.stream.aclose()
|
||||
|
||||
async def __aenter__(self):
|
||||
await self.connect(self.sockaddr)
|
||||
return self
|
||||
|
||||
async def __aexit__(self, *args):
|
||||
await self.aclose(*args)
|
||||
|
||||
async def _reconnect(self):
|
||||
"""Handle connection failures by polling until a reconnect can be
|
||||
established.
|
||||
"""
|
||||
down = False
|
||||
while True:
|
||||
try:
|
||||
with trio.move_on_after(3) as cancel_scope:
|
||||
await self.connect()
|
||||
cancelled = cancel_scope.cancelled_caught
|
||||
if cancelled:
|
||||
log.warn(
|
||||
"Reconnect timed out after 3 seconds, retrying...")
|
||||
continue
|
||||
else:
|
||||
log.warn("Stream connection re-established!")
|
||||
# run any reconnection sequence
|
||||
await self._recon_seq(self)
|
||||
break
|
||||
except (OSError, ConnectionRefusedError):
|
||||
if not down:
|
||||
down = True
|
||||
log.warn(
|
||||
f"Connection to {self.sockaddr} went down, waiting"
|
||||
" for re-establishment")
|
||||
await trio.sleep(1)
|
||||
|
||||
async def aiter_recv(self):
|
||||
"""Async iterate items from underlying stream.
|
||||
"""
|
||||
while True:
|
||||
try:
|
||||
async for item in self.squeue:
|
||||
yield item
|
||||
except trio.BrokenStreamError as err:
|
||||
if not self._autorecon:
|
||||
raise
|
||||
if self._autorecon: # attempt reconnect
|
||||
await self._reconnect()
|
||||
continue
|
||||
else:
|
||||
return
|
||||
|
||||
|
||||
async def stream_quotes(
|
||||
brokermod: ModuleType,
|
||||
get_quotes: Coroutine,
|
||||
tickers2qs: {str: StreamQueue},
|
||||
tickers2chans: {str: Channel},
|
||||
rate: int = 5, # delay between quote requests
|
||||
diff_cached: bool = True, # only deliver "new" quotes to the queue
|
||||
cid: str = None,
|
||||
) -> None:
|
||||
"""Stream quotes for a sequence of tickers at the given ``rate``
|
||||
per second.
|
||||
|
|
@ -219,11 +97,11 @@ async def stream_quotes(
|
|||
while True: # use an event here to trigger exit?
|
||||
prequote_start = time.time()
|
||||
|
||||
if not any(tickers2qs.values()):
|
||||
if not any(tickers2chans.values()):
|
||||
log.warn(f"No subs left for broker {brokermod.name}, exiting task")
|
||||
break
|
||||
|
||||
tickers = list(tickers2qs.keys())
|
||||
tickers = list(tickers2chans.keys())
|
||||
with trio.move_on_after(3) as cancel_scope:
|
||||
quotes = await get_quotes(tickers)
|
||||
|
||||
|
|
@ -234,7 +112,7 @@ async def stream_quotes(
|
|||
quotes = await wait_for_network(partial(get_quotes, tickers))
|
||||
|
||||
postquote_start = time.time()
|
||||
q_payloads = {}
|
||||
chan_payloads = {}
|
||||
for symbol, quote in quotes.items():
|
||||
if diff_cached:
|
||||
# if cache is enabled then only deliver "new" changes
|
||||
|
|
@ -244,25 +122,31 @@ async def stream_quotes(
|
|||
log.info(
|
||||
f"New quote {quote['symbol']}:\n{new}")
|
||||
_cache[symbol] = quote
|
||||
for queue in tickers2qs[symbol]:
|
||||
q_payloads.setdefault(queue, {})[symbol] = quote
|
||||
for chan, cid in tickers2chans.get(symbol, set()):
|
||||
chan_payloads.setdefault(
|
||||
chan,
|
||||
{'yield': {}, 'cid': cid}
|
||||
)['yield'][symbol] = quote
|
||||
else:
|
||||
for queue in tickers2qs[symbol]:
|
||||
q_payloads.setdefault(queue, {})[symbol] = quote
|
||||
for chan, cid in tickers2chans[symbol]:
|
||||
chan_payloads.setdefault(
|
||||
chan,
|
||||
{'yield': {}, 'cid': cid}
|
||||
)['yield'][symbol] = quote
|
||||
|
||||
# deliver to each subscriber
|
||||
if q_payloads:
|
||||
for queue, payload in q_payloads.items():
|
||||
if chan_payloads:
|
||||
for chan, payload in chan_payloads.items():
|
||||
try:
|
||||
await queue.put(payload)
|
||||
await chan.send(payload)
|
||||
except (
|
||||
# That's right, anything you can think of...
|
||||
trio.ClosedStreamError, ConnectionResetError,
|
||||
ConnectionRefusedError,
|
||||
):
|
||||
log.warn(f"{queue.peer} went down?")
|
||||
for qset in tickers2qs.values():
|
||||
qset.discard(queue)
|
||||
log.warn(f"{chan} went down?")
|
||||
for chanset in tickers2chans.values():
|
||||
chanset.discard((chan, cid))
|
||||
|
||||
req_time = round(postquote_start - prequote_start, 3)
|
||||
proc_time = round(time.time() - postquote_start, 3)
|
||||
|
|
@ -277,56 +161,56 @@ async def stream_quotes(
|
|||
log.debug(f"Sleeping for {delay}")
|
||||
await trio.sleep(delay)
|
||||
|
||||
log.info(f"Terminating stream quoter task for {brokermod.name}")
|
||||
|
||||
async def start_quoter(
|
||||
broker2tickersubs: dict,
|
||||
clients: dict,
|
||||
dtasks: set, # daemon task registry
|
||||
nursery: "Nusery",
|
||||
stream: trio.SocketStream,
|
||||
) -> None:
|
||||
"""Handle per-broker quote stream subscriptions.
|
||||
|
||||
Spawns new quoter tasks for each broker backend on-demand.
|
||||
Since most brokers seems to support batch quote requests we
|
||||
limit to one task per process for now.
|
||||
async def get_cached_client(broker, tickers):
|
||||
"""Get the current actor's cached broker client if available or create a
|
||||
new one.
|
||||
"""
|
||||
queue = StreamQueue(stream) # wrap in a shabby queue-like api
|
||||
log.info(f"Accepted new connection from {queue.peer}")
|
||||
async with queue.stream:
|
||||
async for broker, tickers in queue:
|
||||
log.info(
|
||||
f"{queue.peer} subscribed to {broker} for tickers {tickers}")
|
||||
|
||||
if broker not in broker2tickersubs:
|
||||
# check if a cached client is in the local actor's statespace
|
||||
clients = tractor.current_actor().statespace.setdefault('clients', {})
|
||||
try:
|
||||
return clients[broker]
|
||||
except KeyError:
|
||||
log.info(f"Creating new client for broker {broker}")
|
||||
brokermod = get_brokermod(broker)
|
||||
|
||||
# TODO: move to AsyncExitStack in 3.7
|
||||
client_cntxmng = brokermod.get_client()
|
||||
client = await client_cntxmng.__aenter__()
|
||||
get_quotes = await brokermod.quoter(client, tickers)
|
||||
clients[broker] = (
|
||||
brokermod, client, client_cntxmng, get_quotes)
|
||||
tickers2qs = broker2tickersubs.setdefault(broker, {})
|
||||
else:
|
||||
log.info(f"Subscribing with existing `{broker}` daemon")
|
||||
brokermod, client, _, get_quotes = clients[broker]
|
||||
tickers2qs = broker2tickersubs[broker]
|
||||
|
||||
# beginning of section to be trimmed out with #37
|
||||
return brokermod, client, client_cntxmng, get_quotes
|
||||
|
||||
|
||||
async def symbol_data(broker, tickers):
|
||||
"""Retrieve baseline symbol info from broker.
|
||||
"""
|
||||
_, client, _, get_quotes = await get_cached_client(broker, tickers)
|
||||
return await client.symbol_data(tickers)
|
||||
|
||||
|
||||
async def smoke_quote(get_quotes, tickers, broker):
|
||||
"""Do an initial "smoke" request for symbols in ``tickers`` filtering
|
||||
out any symbols not supported by the broker queried in the call to
|
||||
``get_quotes()``.
|
||||
"""
|
||||
# TODO: trim out with #37
|
||||
#################################################
|
||||
# get a single quote filtering out any bad tickers
|
||||
# NOTE: this code is always run for every new client
|
||||
# subscription even when a broker quoter task is already running
|
||||
# since the new client needs to know what symbols are accepted
|
||||
log.warn(f"Retrieving smoke quote for {queue.peer}")
|
||||
log.warn(f"Retrieving smoke quote for symbols {tickers}")
|
||||
quotes = await get_quotes(tickers)
|
||||
# report any tickers that aren't returned in the first quote
|
||||
invalid_tickers = set(tickers) - set(quotes)
|
||||
for symbol in invalid_tickers:
|
||||
tickers.remove(symbol)
|
||||
log.warn(
|
||||
f"Symbol `{symbol}` not found by broker `{brokermod.name}`"
|
||||
f"Symbol `{symbol}` not found by broker `{broker}`"
|
||||
)
|
||||
|
||||
# pop any tickers that return "empty" quotes
|
||||
|
|
@ -335,72 +219,123 @@ async def start_quoter(
|
|||
if quote is None:
|
||||
log.warn(
|
||||
f"Symbol `{symbol}` not found by broker"
|
||||
f" `{brokermod.name}`")
|
||||
f" `{broker}`")
|
||||
# XXX: not this mutates the input list (for now)
|
||||
tickers.remove(symbol)
|
||||
continue
|
||||
payload[symbol] = quote
|
||||
|
||||
return payload
|
||||
|
||||
# end of section to be trimmed out with #37
|
||||
###########################################
|
||||
|
||||
# first respond with symbol data for all tickers (allows
|
||||
# clients to receive broker specific setup info)
|
||||
sd = await client.symbol_data(tickers)
|
||||
assert sd, "No symbol data could be found?"
|
||||
await queue.put(sd)
|
||||
|
||||
# update map from each symbol to requesting client's queue
|
||||
def modify_quote_stream(broker, tickers, chan=None, cid=None):
|
||||
"""Absolute symbol subscription list for each quote stream.
|
||||
"""
|
||||
log.info(f"{chan} changed symbol subscription to {tickers}")
|
||||
ss = tractor.current_actor().statespace
|
||||
broker2tickersubs = ss['broker2tickersubs']
|
||||
tickers2chans = broker2tickersubs.get(broker)
|
||||
# update map from each symbol to requesting client's chan
|
||||
for ticker in tickers:
|
||||
tickers2qs.setdefault(ticker, set()).add(queue)
|
||||
tickers2chans.setdefault(ticker, set()).add((chan, cid))
|
||||
|
||||
# push initial quotes response for client initialization
|
||||
await queue.put(payload)
|
||||
for ticker in filter(
|
||||
lambda ticker: ticker not in tickers, tickers2chans.copy()
|
||||
):
|
||||
chanset = tickers2chans.get(ticker)
|
||||
if chanset:
|
||||
chanset.discard((chan, cid))
|
||||
|
||||
if not chanset:
|
||||
# pop empty sets which will trigger bg quoter task termination
|
||||
tickers2chans.pop(ticker)
|
||||
|
||||
|
||||
async def start_quote_stream(
|
||||
broker: str,
|
||||
tickers: [str],
|
||||
chan: 'Channel' = None,
|
||||
cid: str = None,
|
||||
) -> None:
|
||||
"""Handle per-broker quote stream subscriptions.
|
||||
|
||||
Spawns new quoter tasks for each broker backend on-demand.
|
||||
Since most brokers seems to support batch quote requests we
|
||||
limit to one task per process for now.
|
||||
"""
|
||||
# pull global vars from local actor
|
||||
ss = tractor.current_actor().statespace
|
||||
broker2tickersubs = ss['broker2tickersubs']
|
||||
clients = ss['clients']
|
||||
dtasks = ss['dtasks']
|
||||
tickers = list(tickers)
|
||||
log.info(
|
||||
f"{chan.uid} subscribed to {broker} for tickers {tickers}")
|
||||
|
||||
brokermod, client, _, get_quotes = await get_cached_client(broker, tickers)
|
||||
if broker not in broker2tickersubs:
|
||||
tickers2chans = broker2tickersubs.setdefault(broker, {})
|
||||
else:
|
||||
log.info(f"Subscribing with existing `{broker}` daemon")
|
||||
tickers2chans = broker2tickersubs[broker]
|
||||
|
||||
# do a smoke quote (not this mutates the input list and filters out bad
|
||||
# symbols for now)
|
||||
payload = await smoke_quote(get_quotes, tickers, broker)
|
||||
# push initial smoke quote response for client initialization
|
||||
await chan.send({'yield': payload, 'cid': cid})
|
||||
|
||||
# update map from each symbol to requesting client's chan
|
||||
modify_quote_stream(broker, tickers, chan=chan, cid=cid)
|
||||
|
||||
try:
|
||||
if broker not in dtasks: # no quoter task yet
|
||||
# task should begin on the next checkpoint/iteration
|
||||
# with trio.open_cancel_scope(shield=True):
|
||||
log.info(f"Spawning quoter task for {brokermod.name}")
|
||||
nursery.start_soon(
|
||||
stream_quotes, brokermod, get_quotes, tickers2qs)
|
||||
# await actor._root_nursery.start(partial(
|
||||
async with trio.open_nursery() as nursery:
|
||||
nursery.start_soon(partial(
|
||||
stream_quotes, brokermod, get_quotes, tickers2chans,
|
||||
cid=cid)
|
||||
)
|
||||
dtasks.add(broker)
|
||||
|
||||
log.debug("Waiting on subscription request")
|
||||
else:
|
||||
log.info(f"client @ {queue.peer} disconnected")
|
||||
# drop any lingering subscriptions
|
||||
for ticker, qset in tickers2qs.items():
|
||||
qset.discard(queue)
|
||||
# unblocks when no more symbols subscriptions exist and the
|
||||
# quote streamer task terminates (usually because another call
|
||||
# was made to `modify_quoter` to unsubscribe from streaming
|
||||
# symbols)
|
||||
log.info(f"Terminated quoter task for {brokermod.name}")
|
||||
|
||||
# if there are no more subscriptions with this broker
|
||||
# TODO: move to AsyncExitStack in 3.7
|
||||
for _, _, cntxmng, _ in clients.values():
|
||||
# FIXME: yes I know there's no error handling..
|
||||
await cntxmng.__aexit__(None, None, None)
|
||||
finally:
|
||||
# if there are truly no more subscriptions with this broker
|
||||
# drop from broker subs dict
|
||||
if not any(tickers2qs.values()):
|
||||
if not any(tickers2chans.values()):
|
||||
log.info(f"No more subscriptions for {broker}")
|
||||
broker2tickersubs.pop(broker, None)
|
||||
dtasks.discard(broker)
|
||||
|
||||
# TODO: move to AsyncExitStack in 3.7
|
||||
for _, _, cntxmng, _ in clients.values():
|
||||
# FIXME: yes I know it's totally wrong...
|
||||
await cntxmng.__aexit__(None, None, None)
|
||||
|
||||
|
||||
async def _daemon_main(host) -> None:
|
||||
"""Entry point for the broker daemon which waits for connections
|
||||
before spawning micro-services.
|
||||
async def _test_price_stream(broker, symbols, *, chan=None, cid=None):
|
||||
"""Test function for initial tractor draft.
|
||||
"""
|
||||
# global space for broker-daemon subscriptions
|
||||
broker2tickersubs = {}
|
||||
clients = {}
|
||||
dtasks = set()
|
||||
brokermod = get_brokermod(broker)
|
||||
client_cntxmng = brokermod.get_client()
|
||||
client = await client_cntxmng.__aenter__()
|
||||
get_quotes = await brokermod.quoter(client, symbols)
|
||||
log.info(f"Spawning quoter task for {brokermod.name}")
|
||||
assert chan
|
||||
tickers2chans = {}.fromkeys(symbols, {(chan, cid), })
|
||||
|
||||
async with trio.open_nursery() as nursery:
|
||||
listeners = await nursery.start(
|
||||
nursery.start_soon(
|
||||
partial(
|
||||
trio.serve_tcp,
|
||||
partial(
|
||||
start_quoter, broker2tickersubs, clients,
|
||||
dtasks, nursery
|
||||
),
|
||||
1616, host=host,
|
||||
stream_quotes, brokermod, get_quotes, tickers2chans, cid=cid)
|
||||
)
|
||||
)
|
||||
log.debug(f"Spawned {listeners}")
|
||||
|
|
|
|||
94
piker/cli.py
94
piker/cli.py
|
|
@ -2,7 +2,6 @@
|
|||
Console interface to broker client/daemons.
|
||||
"""
|
||||
from functools import partial
|
||||
from multiprocessing import Process
|
||||
import json
|
||||
import os
|
||||
|
||||
|
|
@ -12,8 +11,8 @@ import trio
|
|||
|
||||
from . import watchlists as wl
|
||||
from .brokers import core, get_brokermod
|
||||
from .brokers.core import _daemon_main, Client
|
||||
from .log import get_console_log, colorize_json, get_logger
|
||||
from . import tractor
|
||||
|
||||
log = get_logger('cli')
|
||||
DEFAULT_BROKER = 'robinhood'
|
||||
|
|
@ -22,18 +21,24 @@ _config_dir = click.get_app_dir('piker')
|
|||
_watchlists_data_path = os.path.join(_config_dir, 'watchlists.json')
|
||||
|
||||
|
||||
def run(main, loglevel='info'):
|
||||
get_console_log(loglevel)
|
||||
return trio.run(main)
|
||||
|
||||
|
||||
@click.command()
|
||||
@click.option('--loglevel', '-l', default='warning', help='Logging level')
|
||||
@click.option('--host', '-h', default='127.0.0.1', help='Host address to bind')
|
||||
def pikerd(loglevel, host):
|
||||
"""Spawn the piker daemon.
|
||||
"""
|
||||
run(partial(_daemon_main, host), loglevel)
|
||||
get_console_log(loglevel)
|
||||
tractor.run(
|
||||
None, # no main task - this is a daemon
|
||||
statespace={
|
||||
'broker2tickersubs': {},
|
||||
'clients': {},
|
||||
'dtasks': set(),
|
||||
},
|
||||
outlive_main=True, # run daemon forever
|
||||
rpc_module_paths=['piker.brokers.core'],
|
||||
name='brokerd',
|
||||
)
|
||||
|
||||
|
||||
@click.group()
|
||||
|
|
@ -52,7 +57,7 @@ def cli():
|
|||
def api(meth, kwargs, loglevel, broker, keys):
|
||||
"""client for testing broker API methods with pretty printing of output.
|
||||
"""
|
||||
log = get_console_log(loglevel)
|
||||
get_console_log(loglevel)
|
||||
brokermod = get_brokermod(broker)
|
||||
|
||||
_kwargs = {}
|
||||
|
|
@ -63,8 +68,9 @@ def api(meth, kwargs, loglevel, broker, keys):
|
|||
key, _, value = kwarg.partition('=')
|
||||
_kwargs[key] = value
|
||||
|
||||
data = run(
|
||||
partial(core.api, brokermod, meth, **_kwargs), loglevel=loglevel)
|
||||
data = trio.run(
|
||||
partial(core.api, brokermod, meth, **_kwargs)
|
||||
)
|
||||
|
||||
if keys:
|
||||
# filter to requested keys
|
||||
|
|
@ -88,10 +94,12 @@ def api(meth, kwargs, loglevel, broker, keys):
|
|||
help='Ouput in `pandas.DataFrame` format')
|
||||
@click.argument('tickers', nargs=-1, required=True)
|
||||
def quote(loglevel, broker, tickers, df_output):
|
||||
"""client for testing broker API methods with pretty printing of output.
|
||||
"""Retreive symbol quotes on the console in either json or dataframe
|
||||
format.
|
||||
"""
|
||||
brokermod = get_brokermod(broker)
|
||||
quotes = run(partial(core.quote, brokermod, tickers), loglevel=loglevel)
|
||||
get_console_log(loglevel)
|
||||
quotes = trio.run(partial(core.quote, brokermod, tickers))
|
||||
if not quotes:
|
||||
log.error(f"No quotes could be found for {tickers}?")
|
||||
return
|
||||
|
|
@ -132,48 +140,28 @@ def watch(loglevel, broker, rate, name, dhost):
|
|||
|
||||
async def launch_client(sleep=0.5, tries=10):
|
||||
|
||||
async def subscribe(client):
|
||||
# initial subs request for symbols
|
||||
await client.send((brokermod.name, tickers))
|
||||
# symbol data is returned in first response which we'll
|
||||
# ignore on reconnect
|
||||
await client.recv()
|
||||
|
||||
client = Client((dhost, 1616), on_reconnect=subscribe)
|
||||
for _ in range(tries): # try for 5 seconds
|
||||
try:
|
||||
await client.connect()
|
||||
break
|
||||
except OSError as oserr:
|
||||
await trio.sleep(sleep)
|
||||
else:
|
||||
# will raise indicating child proc should be spawned
|
||||
await client.connect()
|
||||
|
||||
async with trio.open_nursery() as nursery:
|
||||
nursery.start_soon(
|
||||
_async_main, name, client, tickers,
|
||||
brokermod, rate
|
||||
)
|
||||
|
||||
# signal exit of stream handler task
|
||||
await client.aclose()
|
||||
|
||||
try:
|
||||
trio.run(partial(launch_client, tries=1))
|
||||
except OSError as oserr:
|
||||
async with tractor.open_nursery() as nursery:
|
||||
async with tractor.find_actor('brokerd') as portal:
|
||||
if not portal:
|
||||
log.warn("No broker daemon could be found")
|
||||
log.warn(oserr)
|
||||
log.warning("Spawning local broker-daemon...")
|
||||
child = Process(
|
||||
target=run,
|
||||
args=(partial(_daemon_main, dhost), loglevel),
|
||||
daemon=True,
|
||||
name='pikerd',
|
||||
log.warning("Spawning local brokerd..")
|
||||
portal = await nursery.start_actor(
|
||||
'brokerd',
|
||||
main=None, # no main task
|
||||
statespace={
|
||||
'broker2tickersubs': {},
|
||||
'clients': {},
|
||||
'dtasks': set(),
|
||||
},
|
||||
outlive_main=True, # run daemon forever
|
||||
rpc_module_paths=['piker.brokers.core'],
|
||||
loglevel=loglevel,
|
||||
)
|
||||
child.start()
|
||||
trio.run(partial(launch_client, tries=5))
|
||||
child.join()
|
||||
|
||||
# run kivy app
|
||||
await _async_main(name, portal, tickers, brokermod, rate)
|
||||
|
||||
tractor.run(partial(launch_client, tries=1), name='kivy-watchlist')
|
||||
|
||||
|
||||
@cli.group()
|
||||
|
|
|
|||
|
|
@ -0,0 +1,191 @@
|
|||
"""
|
||||
Inter-process comms abstractions
|
||||
"""
|
||||
from typing import Coroutine, Tuple
|
||||
|
||||
import msgpack
|
||||
import trio
|
||||
|
||||
from .log import get_logger
|
||||
log = get_logger('ipc')
|
||||
|
||||
|
||||
class StreamQueue:
|
||||
"""Stream wrapped as a queue that delivers ``msgpack`` serialized objects.
|
||||
"""
|
||||
def __init__(self, stream):
|
||||
self.stream = stream
|
||||
self._agen = self._iter_packets()
|
||||
self._laddr = self.stream.socket.getsockname()[:2]
|
||||
self._raddr = self.stream.socket.getpeername()[:2]
|
||||
self._send_lock = trio.Lock()
|
||||
|
||||
async def _iter_packets(self):
|
||||
"""Yield packets from the underlying stream.
|
||||
"""
|
||||
unpacker = msgpack.Unpacker(raw=False, use_list=False)
|
||||
while True:
|
||||
try:
|
||||
data = await self.stream.receive_some(2**10)
|
||||
log.trace(f"received {data}")
|
||||
except trio.BrokenStreamError:
|
||||
log.error(f"Stream connection {self.raddr} broke")
|
||||
return
|
||||
|
||||
if data == b'':
|
||||
log.debug(f"Stream connection {self.raddr} was closed")
|
||||
return
|
||||
|
||||
unpacker.feed(data)
|
||||
for packet in unpacker:
|
||||
yield packet
|
||||
|
||||
@property
|
||||
def laddr(self):
|
||||
return self._laddr
|
||||
|
||||
@property
|
||||
def raddr(self):
|
||||
return self._raddr
|
||||
|
||||
async def put(self, data):
|
||||
async with self._send_lock:
|
||||
return await self.stream.send_all(
|
||||
msgpack.dumps(data, use_bin_type=True))
|
||||
|
||||
async def get(self):
|
||||
return await self._agen.asend(None)
|
||||
|
||||
async def __aiter__(self):
|
||||
return self._agen
|
||||
|
||||
def connected(self):
|
||||
return self.stream.socket.fileno() != -1
|
||||
|
||||
|
||||
class Channel:
|
||||
"""A channel to actors in other processes.
|
||||
|
||||
Use this to talk to any micro-service daemon or other client(s) over a
|
||||
a transport managed by ``trio``.
|
||||
"""
|
||||
def __init__(
|
||||
self,
|
||||
destaddr: tuple = None,
|
||||
on_reconnect: Coroutine = None,
|
||||
auto_reconnect: bool = False,
|
||||
stream: trio.SocketStream = None, # expected to be active
|
||||
) -> None:
|
||||
self._recon_seq = on_reconnect
|
||||
self._autorecon = auto_reconnect
|
||||
self.squeue = StreamQueue(stream) if stream else None
|
||||
if self.squeue and destaddr:
|
||||
raise ValueError(
|
||||
f"A stream was provided with local addr {self.laddr}"
|
||||
)
|
||||
self._destaddr = destaddr or self.squeue.raddr
|
||||
# set after handshake - always uid of far end
|
||||
self.uid = None
|
||||
|
||||
def __repr__(self):
|
||||
if self.squeue:
|
||||
return repr(
|
||||
self.squeue.stream.socket._sock).replace(
|
||||
"socket.socket", "Channel")
|
||||
return object.__repr__(self)
|
||||
|
||||
@property
|
||||
def laddr(self):
|
||||
return self.squeue.laddr if self.squeue else (None, None)
|
||||
|
||||
@property
|
||||
def raddr(self):
|
||||
return self.squeue.raddr if self.squeue else (None, None)
|
||||
|
||||
async def connect(self, destaddr: Tuple[str, int] = None, **kwargs):
|
||||
if self.connected():
|
||||
raise RuntimeError("channel is already connected?")
|
||||
destaddr = destaddr or self._destaddr
|
||||
stream = await trio.open_tcp_stream(*destaddr, **kwargs)
|
||||
self.squeue = StreamQueue(stream)
|
||||
return stream
|
||||
|
||||
async def send(self, item):
|
||||
log.trace(f"send `{item}`")
|
||||
await self.squeue.put(item)
|
||||
|
||||
async def recv(self):
|
||||
try:
|
||||
return await self.squeue.get()
|
||||
except trio.BrokenStreamError:
|
||||
if self._autorecon:
|
||||
await self._reconnect()
|
||||
return await self.recv()
|
||||
|
||||
async def aclose(self, *args):
|
||||
log.debug(f"Closing {self}")
|
||||
await self.squeue.stream.aclose()
|
||||
|
||||
async def __aenter__(self):
|
||||
await self.connect()
|
||||
return self
|
||||
|
||||
async def __aexit__(self, *args):
|
||||
await self.aclose(*args)
|
||||
|
||||
async def __aiter__(self):
|
||||
return self.aiter_recv()
|
||||
|
||||
async def _reconnect(self):
|
||||
"""Handle connection failures by polling until a reconnect can be
|
||||
established.
|
||||
"""
|
||||
down = False
|
||||
while True:
|
||||
try:
|
||||
with trio.move_on_after(3) as cancel_scope:
|
||||
await self.connect()
|
||||
cancelled = cancel_scope.cancelled_caught
|
||||
if cancelled:
|
||||
log.warn(
|
||||
"Reconnect timed out after 3 seconds, retrying...")
|
||||
continue
|
||||
else:
|
||||
log.warn("Stream connection re-established!")
|
||||
# run any reconnection sequence
|
||||
on_recon = self._recon_seq
|
||||
if on_recon:
|
||||
await on_recon(self)
|
||||
break
|
||||
except (OSError, ConnectionRefusedError):
|
||||
if not down:
|
||||
down = True
|
||||
log.warn(
|
||||
f"Connection to {self.raddr} went down, waiting"
|
||||
" for re-establishment")
|
||||
await trio.sleep(1)
|
||||
|
||||
async def aiter_recv(self):
|
||||
"""Async iterate items from underlying stream.
|
||||
"""
|
||||
while True:
|
||||
try:
|
||||
async for item in self.squeue:
|
||||
yield item
|
||||
# sent = yield item
|
||||
# if sent is not None:
|
||||
# # optimization, passing None through all the
|
||||
# # time is pointless
|
||||
# await self.squeue.put(sent)
|
||||
except trio.BrokenStreamError:
|
||||
if not self._autorecon:
|
||||
raise
|
||||
await self.aclose()
|
||||
if self._autorecon: # attempt reconnect
|
||||
await self._reconnect()
|
||||
continue
|
||||
else:
|
||||
return
|
||||
|
||||
def connected(self):
|
||||
return self.squeue.connected() if self.squeue else False
|
||||
|
|
@ -0,0 +1,899 @@
|
|||
"""
|
||||
tracor: An actor model micro-framework.
|
||||
"""
|
||||
from collections import defaultdict
|
||||
from functools import partial
|
||||
from typing import Coroutine
|
||||
import importlib
|
||||
import inspect
|
||||
import multiprocessing as mp
|
||||
import traceback
|
||||
import uuid
|
||||
|
||||
import trio
|
||||
from async_generator import asynccontextmanager
|
||||
|
||||
from .ipc import Channel
|
||||
from .log import get_console_log, get_logger
|
||||
|
||||
ctx = mp.get_context("forkserver")
|
||||
log = get_logger('tractor')
|
||||
|
||||
# set at startup and after forks
|
||||
_current_actor = None
|
||||
_default_arbiter_host = '127.0.0.1'
|
||||
_default_arbiter_port = 1616
|
||||
|
||||
|
||||
class ActorFailure(Exception):
|
||||
"General actor failure"
|
||||
|
||||
|
||||
class RemoteActorError(ActorFailure):
|
||||
"Remote actor exception bundled locally"
|
||||
|
||||
|
||||
@asynccontextmanager
|
||||
async def maybe_open_nursery(nursery=None):
|
||||
"""Create a new nursery if None provided.
|
||||
|
||||
Blocks on exit as expected if no input nursery is provided.
|
||||
"""
|
||||
if nursery is not None:
|
||||
yield nursery
|
||||
else:
|
||||
async with trio.open_nursery() as nursery:
|
||||
yield nursery
|
||||
|
||||
|
||||
async def _invoke(
|
||||
cid, chan, func, kwargs,
|
||||
treat_as_gen=False, raise_errs=False,
|
||||
task_status=trio.TASK_STATUS_IGNORED
|
||||
):
|
||||
"""Invoke local func and return results over provided channel.
|
||||
"""
|
||||
try:
|
||||
is_async_partial = False
|
||||
if isinstance(func, partial):
|
||||
is_async_partial = inspect.iscoroutinefunction(func.func)
|
||||
|
||||
if not inspect.iscoroutinefunction(func) and not is_async_partial:
|
||||
await chan.send({'return': func(**kwargs), 'cid': cid})
|
||||
else:
|
||||
coro = func(**kwargs)
|
||||
|
||||
if inspect.isasyncgen(coro):
|
||||
async for item in coro:
|
||||
# TODO: can we send values back in here?
|
||||
# it's gonna require a `while True:` and
|
||||
# some non-blocking way to retrieve new `asend()`
|
||||
# values from the channel:
|
||||
# to_send = await chan.recv_nowait()
|
||||
# if to_send is not None:
|
||||
# to_yield = await coro.asend(to_send)
|
||||
await chan.send({'yield': item, 'cid': cid})
|
||||
else:
|
||||
if treat_as_gen:
|
||||
# XXX: the async-func may spawn further tasks which push
|
||||
# back values like an async-generator would but must
|
||||
# manualy construct the response dict-packet-responses as
|
||||
# above
|
||||
await coro
|
||||
else:
|
||||
await chan.send({'return': await coro, 'cid': cid})
|
||||
|
||||
task_status.started()
|
||||
except Exception:
|
||||
if not raise_errs:
|
||||
await chan.send({'error': traceback.format_exc(), 'cid': cid})
|
||||
else:
|
||||
raise
|
||||
|
||||
|
||||
async def result_from_q(q):
|
||||
"""Process a msg from a remote actor.
|
||||
"""
|
||||
first_msg = await q.get()
|
||||
if 'return' in first_msg:
|
||||
return 'return', first_msg, q
|
||||
elif 'yield' in first_msg:
|
||||
return 'yield', first_msg, q
|
||||
elif 'error' in first_msg:
|
||||
raise RemoteActorError(first_msg['error'])
|
||||
else:
|
||||
raise ValueError(f"{first_msg} is an invalid response packet?")
|
||||
|
||||
|
||||
async def _do_handshake(actor, chan):
|
||||
await chan.send(actor.uid)
|
||||
uid = await chan.recv()
|
||||
|
||||
if not isinstance(uid, tuple):
|
||||
raise ValueError(f"{uid} is not a valid uid?!")
|
||||
|
||||
chan.uid = uid
|
||||
log.info(f"Handshake with actor {uid}@{chan.raddr} complete")
|
||||
return uid
|
||||
|
||||
|
||||
class Actor:
|
||||
"""The fundamental concurrency primitive.
|
||||
|
||||
An *actor* is the combination of a regular Python or
|
||||
``multiprocessing.Process`` executing a ``trio`` task tree, communicating
|
||||
with other actors through "portals" which provide a native async API
|
||||
around "channels".
|
||||
"""
|
||||
is_arbiter = False
|
||||
|
||||
def __init__(
|
||||
self,
|
||||
name: str,
|
||||
main: Coroutine = None,
|
||||
rpc_module_paths: [str] = [],
|
||||
statespace: dict = {},
|
||||
uid: str = None,
|
||||
allow_rpc: bool = True,
|
||||
outlive_main: bool = False,
|
||||
):
|
||||
self.name = name
|
||||
self.uid = (name, uid or str(uuid.uuid1()))
|
||||
self.rpc_module_paths = rpc_module_paths
|
||||
self._mods = {}
|
||||
self.main = main
|
||||
# TODO: consider making this a dynamically defined
|
||||
# @dataclass once we get py3.7
|
||||
self.statespace = statespace
|
||||
self._allow_rpc = allow_rpc
|
||||
self._outlive_main = outlive_main
|
||||
|
||||
# filled in by `_async_main` after fork
|
||||
self._peers = defaultdict(list)
|
||||
self._no_more_peers = trio.Event()
|
||||
self._no_more_peers.set()
|
||||
self._actors2calls = {} # map {uids -> {callids -> waiter queues}}
|
||||
self._listeners = []
|
||||
self._parent_chan = None
|
||||
self._accept_host = None
|
||||
|
||||
async def wait_for_peer(self, uid):
|
||||
"""Wait for a connection back from a spawned actor with a given
|
||||
``uid``.
|
||||
"""
|
||||
log.debug(f"Waiting for peer {uid} to connect")
|
||||
event = self._peers.setdefault(uid, trio.Event())
|
||||
await event.wait()
|
||||
log.debug(f"{uid} successfully connected back to us")
|
||||
return event, self._peers[uid][-1]
|
||||
|
||||
def load_namespaces(self):
|
||||
# We load namespaces after fork since this actor may
|
||||
# be spawned on a different machine from the original nursery
|
||||
# and we need to try and load the local module code (if it
|
||||
# exists)
|
||||
for path in self.rpc_module_paths:
|
||||
self._mods[path] = importlib.import_module(path)
|
||||
|
||||
async def _stream_handler(
|
||||
self,
|
||||
stream: trio.SocketStream,
|
||||
):
|
||||
"""
|
||||
Entry point for new inbound connections to the channel server.
|
||||
"""
|
||||
self._no_more_peers.clear()
|
||||
chan = Channel(stream=stream)
|
||||
log.info(f"New connection to us {chan}")
|
||||
|
||||
# send/receive initial handshake response
|
||||
try:
|
||||
uid = await _do_handshake(self, chan)
|
||||
except StopAsyncIteration:
|
||||
log.warn(f"Channel {chan} failed to handshake")
|
||||
return
|
||||
|
||||
# channel tracking
|
||||
event_or_chans = self._peers.pop(uid, None)
|
||||
if isinstance(event_or_chans, trio.Event):
|
||||
# Instructing connection: this is likely a new channel to
|
||||
# a recently spawned actor which we'd like to control via
|
||||
# async-rpc calls.
|
||||
log.debug(f"Waking channel waiters {event_or_chans.statistics()}")
|
||||
# Alert any task waiting on this connection to come up
|
||||
event_or_chans.set()
|
||||
event_or_chans.clear() # consumer can wait on channel to close
|
||||
elif isinstance(event_or_chans, list):
|
||||
log.warn(
|
||||
f"already have channel(s) for {uid}:{event_or_chans}?"
|
||||
)
|
||||
# append new channel
|
||||
self._peers[uid].extend(event_or_chans)
|
||||
|
||||
log.debug(f"Registered {chan} for {uid}")
|
||||
self._peers[uid].append(chan)
|
||||
|
||||
# Begin channel management - respond to remote requests and
|
||||
# process received reponses.
|
||||
try:
|
||||
await self._process_messages(chan)
|
||||
finally:
|
||||
# Drop ref to channel so it can be gc-ed and disconnected
|
||||
if chan is not self._parent_chan:
|
||||
log.debug(f"Releasing channel {chan}")
|
||||
chans = self._peers.get(chan.uid)
|
||||
chans.remove(chan)
|
||||
if not chans:
|
||||
log.debug(f"No more channels for {chan.uid}")
|
||||
self._peers.pop(chan.uid, None)
|
||||
if not self._peers: # no more channels connected
|
||||
self._no_more_peers.set()
|
||||
log.debug(f"No more peer channels")
|
||||
|
||||
def _push_result(self, actorid, cid, msg):
|
||||
assert actorid, f"`actorid` can't be {actorid}"
|
||||
q = self.get_waitq(actorid, cid)
|
||||
log.debug(f"Delivering {msg} from {actorid} to caller {cid}")
|
||||
waiters = q.statistics().tasks_waiting_get
|
||||
if not waiters:
|
||||
log.warn(
|
||||
f"No tasks are currently waiting for results from call {cid}?")
|
||||
q.put_nowait(msg)
|
||||
|
||||
def get_waitq(self, actorid, cid):
|
||||
log.debug(f"Registering for callid {cid} queue results from {actorid}")
|
||||
cids2qs = self._actors2calls.setdefault(actorid, {})
|
||||
return cids2qs.setdefault(cid, trio.Queue(1000))
|
||||
|
||||
async def send_cmd(self, chan, ns, func, kwargs):
|
||||
"""Send a ``'cmd'`` message to a remote actor and return a
|
||||
caller id and a ``trio.Queue`` that can be used to wait for
|
||||
responses delivered by the local message processing loop.
|
||||
"""
|
||||
cid = str(uuid.uuid1())
|
||||
q = self.get_waitq(chan.uid, cid)
|
||||
log.debug(f"Sending cmd to {chan.uid}: {ns}.{func}({kwargs})")
|
||||
await chan.send({'cmd': (ns, func, kwargs, self.uid, cid)})
|
||||
return cid, q
|
||||
|
||||
async def _process_messages(self, chan, treat_as_gen=False):
|
||||
"""Process messages async-RPC style.
|
||||
|
||||
Process rpc requests and deliver retrieved responses from channels.
|
||||
"""
|
||||
# TODO: once https://github.com/python-trio/trio/issues/467 gets
|
||||
# worked out we'll likely want to use that!
|
||||
log.debug(f"Entering msg loop for {chan}")
|
||||
async with trio.open_nursery() as nursery:
|
||||
try:
|
||||
async for msg in chan.aiter_recv():
|
||||
if msg is None: # terminate sentinel
|
||||
log.debug(f"Cancelling all tasks for {chan}")
|
||||
nursery.cancel_scope.cancel()
|
||||
log.debug(f"Terminating msg loop for {chan}")
|
||||
break
|
||||
log.debug(f"Received msg {msg}")
|
||||
cid = msg.get('cid')
|
||||
if cid: # deliver response to local caller/waiter
|
||||
self._push_result(chan.uid, cid, msg)
|
||||
if 'error' in msg:
|
||||
# TODO: need something better then this slop
|
||||
raise RemoteActorError(msg['error'])
|
||||
log.debug(f"Waiting on next msg for {chan}")
|
||||
continue
|
||||
else:
|
||||
ns, funcname, kwargs, actorid, cid = msg['cmd']
|
||||
|
||||
log.debug(
|
||||
f"Processing request from {actorid}\n"
|
||||
f"{ns}.{funcname}({kwargs})")
|
||||
if ns == 'self':
|
||||
func = getattr(self, funcname)
|
||||
else:
|
||||
func = getattr(self._mods[ns], funcname)
|
||||
|
||||
# spin up a task for the requested function
|
||||
sig = inspect.signature(func)
|
||||
treat_as_gen = False
|
||||
if 'chan' in sig.parameters:
|
||||
assert 'cid' in sig.parameters, \
|
||||
f"{func} must accept a `cid` (caller id) kwarg"
|
||||
kwargs['chan'] = chan
|
||||
kwargs['cid'] = cid
|
||||
# TODO: eventually we want to be more stringent
|
||||
# about what is considered a far-end async-generator.
|
||||
# Right now both actual async gens and any async
|
||||
# function which declares a `chan` kwarg in its
|
||||
# signature will be treated as one.
|
||||
treat_as_gen = True
|
||||
|
||||
log.debug(f"Spawning task for {func}")
|
||||
nursery.start_soon(
|
||||
_invoke, cid, chan, func, kwargs, treat_as_gen,
|
||||
name=funcname
|
||||
)
|
||||
log.debug(f"Waiting on next msg for {chan}")
|
||||
else: # channel disconnect
|
||||
log.debug(f"{chan} disconnected")
|
||||
except trio.ClosedStreamError:
|
||||
log.error(f"{chan} broke")
|
||||
|
||||
log.debug(f"Exiting msg loop for {chan}")
|
||||
|
||||
def _fork_main(self, accept_addr, parent_addr=None, loglevel=None):
|
||||
# after fork routine which invokes a fresh ``trio.run``
|
||||
log.info(
|
||||
f"Started new {ctx.current_process()} for actor {self.uid}")
|
||||
global _current_actor
|
||||
_current_actor = self
|
||||
if loglevel:
|
||||
get_console_log(loglevel)
|
||||
log.debug(f"parent_addr is {parent_addr}")
|
||||
try:
|
||||
trio.run(partial(
|
||||
self._async_main, accept_addr, parent_addr=parent_addr))
|
||||
except KeyboardInterrupt:
|
||||
pass # handle it the same way trio does?
|
||||
log.debug(f"Actor {self.uid} terminated")
|
||||
|
||||
async def _async_main(
|
||||
self,
|
||||
accept_addr,
|
||||
arbiter_addr=(_default_arbiter_host, _default_arbiter_port),
|
||||
parent_addr=None,
|
||||
nursery=None
|
||||
):
|
||||
"""Start the channel server and main task.
|
||||
|
||||
A "root-most" (or "top-level") nursery for this actor is opened here
|
||||
and when cancelled effectively cancels the actor.
|
||||
"""
|
||||
result = None
|
||||
try:
|
||||
async with maybe_open_nursery(nursery) as nursery:
|
||||
self._root_nursery = nursery
|
||||
|
||||
# Startup up channel server
|
||||
host, port = accept_addr
|
||||
await nursery.start(partial(
|
||||
self._serve_forever, accept_host=host, accept_port=port)
|
||||
)
|
||||
|
||||
if parent_addr is not None:
|
||||
# Connect back to the parent actor and conduct initial
|
||||
# handshake (From this point on if we error ship the
|
||||
# exception back to the parent actor)
|
||||
chan = self._parent_chan = Channel(
|
||||
destaddr=parent_addr,
|
||||
on_reconnect=self.main
|
||||
)
|
||||
await chan.connect()
|
||||
# initial handshake, report who we are, who they are
|
||||
await _do_handshake(self, chan)
|
||||
|
||||
# handle new connection back to parent optionally
|
||||
# begin responding to RPC
|
||||
if self._allow_rpc:
|
||||
self.load_namespaces()
|
||||
if self._parent_chan:
|
||||
nursery.start_soon(
|
||||
self._process_messages, self._parent_chan)
|
||||
|
||||
# register with the arbiter if we're told its addr
|
||||
log.debug(f"Registering {self} for role `{self.name}`")
|
||||
async with get_arbiter(*arbiter_addr) as arb_portal:
|
||||
await arb_portal.run(
|
||||
'self', 'register_actor',
|
||||
name=self.name, sockaddr=self.accept_addr)
|
||||
|
||||
if self.main:
|
||||
if self._parent_chan:
|
||||
log.debug(f"Starting main task `{self.main}`")
|
||||
# start "main" routine in a task
|
||||
await nursery.start(
|
||||
_invoke, 'main', self._parent_chan, self.main, {},
|
||||
False, True # treat_as_gen, raise_errs params
|
||||
)
|
||||
else:
|
||||
# run directly
|
||||
log.debug(f"Running `{self.main}` directly")
|
||||
result = await self.main()
|
||||
|
||||
# terminate local in-proc once its main completes
|
||||
log.debug(
|
||||
f"Waiting for remaining peers {self._peers} to clear")
|
||||
await self._no_more_peers.wait()
|
||||
log.debug(f"All peer channels are complete")
|
||||
|
||||
# tear down channel server
|
||||
if not self._outlive_main:
|
||||
log.debug(f"Shutting down channel server")
|
||||
self.cancel_server()
|
||||
|
||||
# blocks here as expected if no nursery was provided until
|
||||
# the channel server is killed (i.e. this actor is
|
||||
# cancelled or signalled by the parent actor)
|
||||
except Exception:
|
||||
if self._parent_chan:
|
||||
log.exception("Actor errored:")
|
||||
await self._parent_chan.send(
|
||||
{'error': traceback.format_exc(), 'cid': 'main'})
|
||||
else:
|
||||
raise
|
||||
finally:
|
||||
# UNregister actor from the arbiter
|
||||
try:
|
||||
if arbiter_addr is not None:
|
||||
async with get_arbiter(*arbiter_addr) as arb_portal:
|
||||
await arb_portal.run(
|
||||
'self', 'register_actor',
|
||||
name=self.name, sockaddr=self.accept_addr)
|
||||
except OSError:
|
||||
log.warn(f"Unable to unregister {self.name} from arbiter")
|
||||
|
||||
return result
|
||||
|
||||
async def _serve_forever(
|
||||
self,
|
||||
*,
|
||||
# (host, port) to bind for channel server
|
||||
accept_host=None,
|
||||
accept_port=0,
|
||||
task_status=trio.TASK_STATUS_IGNORED
|
||||
):
|
||||
"""Main coroutine: connect back to the parent, spawn main task, begin
|
||||
listening for new messages.
|
||||
|
||||
"""
|
||||
async with trio.open_nursery() as nursery:
|
||||
self._server_nursery = nursery
|
||||
# TODO: might want to consider having a separate nursery
|
||||
# for the stream handler such that the server can be cancelled
|
||||
# whilst leaving existing channels up
|
||||
listeners = await nursery.start(
|
||||
partial(
|
||||
trio.serve_tcp,
|
||||
self._stream_handler,
|
||||
handler_nursery=self._root_nursery,
|
||||
port=accept_port, host=accept_host,
|
||||
)
|
||||
)
|
||||
log.debug(
|
||||
f"Started tcp server(s) on {[l.socket for l in listeners]}")
|
||||
self._listeners.extend(listeners)
|
||||
task_status.started()
|
||||
|
||||
def cancel(self):
|
||||
"""This cancels the internal root-most nursery thereby gracefully
|
||||
cancelling (for all intents and purposes) this actor.
|
||||
"""
|
||||
self._root_nursery.cancel_scope.cancel()
|
||||
|
||||
def cancel_server(self):
|
||||
"""Cancel the internal channel server nursery thereby
|
||||
preventing any new inbound connections from being established.
|
||||
"""
|
||||
self._server_nursery.cancel_scope.cancel()
|
||||
|
||||
@property
|
||||
def accept_addr(self):
|
||||
"""Primary address to which the channel server is bound.
|
||||
"""
|
||||
try:
|
||||
return self._listeners[0].socket.getsockname()
|
||||
except OSError:
|
||||
return
|
||||
|
||||
def get_parent(self):
|
||||
return Portal(self._parent_chan)
|
||||
|
||||
def get_chans(self, actorid):
|
||||
return self._peers[actorid]
|
||||
|
||||
|
||||
class Arbiter(Actor):
|
||||
"""A special actor who knows all the other actors and always has
|
||||
access to the top level nursery.
|
||||
|
||||
The arbiter is by default the first actor spawned on each host
|
||||
and is responsible for keeping track of all other actors for
|
||||
coordination purposes. If a new main process is launched and an
|
||||
arbiter is already running that arbiter will be used.
|
||||
"""
|
||||
_registry = defaultdict(list)
|
||||
is_arbiter = True
|
||||
|
||||
def find_actor(self, name):
|
||||
return self._registry[name]
|
||||
|
||||
def register_actor(self, name, sockaddr):
|
||||
self._registry[name].append(sockaddr)
|
||||
|
||||
def unregister_actor(self, name, sockaddr):
|
||||
sockaddrs = self._registry.get(name)
|
||||
if sockaddrs:
|
||||
try:
|
||||
sockaddrs.remove(sockaddr)
|
||||
except ValueError:
|
||||
pass
|
||||
|
||||
|
||||
class Portal:
|
||||
"""A 'portal' to a(n) (remote) ``Actor``.
|
||||
|
||||
Allows for invoking remote routines and receiving results through an
|
||||
underlying ``tractor.Channel`` as though the remote (async)
|
||||
function / generator was invoked locally.
|
||||
|
||||
Think of this like an native async IPC API.
|
||||
"""
|
||||
def __init__(self, channel):
|
||||
self.channel = channel
|
||||
|
||||
async def aclose(self):
|
||||
log.debug(f"Closing {self}")
|
||||
# XXX: won't work until https://github.com/python-trio/trio/pull/460
|
||||
# gets in!
|
||||
await self.channel.aclose()
|
||||
|
||||
async def run(self, ns, func, **kwargs):
|
||||
"""Submit a function to be scheduled and run by actor, return its
|
||||
(stream of) result(s).
|
||||
"""
|
||||
# TODO: not this needs some serious work and thinking about how
|
||||
# to make async-generators the fundamental IPC API over channels!
|
||||
# (think `yield from`, `gen.send()`, and functional reactive stuff)
|
||||
chan = self.channel
|
||||
# ship a function call request to the remote actor
|
||||
actor = current_actor()
|
||||
|
||||
cid, q = await actor.send_cmd(chan, ns, func, kwargs)
|
||||
# wait on first response msg
|
||||
resptype, first_msg, q = await result_from_q(q)
|
||||
|
||||
if resptype == 'yield':
|
||||
|
||||
async def yield_from_q():
|
||||
yield first_msg['yield']
|
||||
try:
|
||||
async for msg in q:
|
||||
try:
|
||||
yield msg['yield']
|
||||
except KeyError:
|
||||
raise RemoteActorError(msg['error'])
|
||||
except GeneratorExit:
|
||||
log.debug(f"Cancelling async gen call {cid} to {chan.uid}")
|
||||
|
||||
return yield_from_q()
|
||||
|
||||
elif resptype == 'return':
|
||||
return first_msg['return']
|
||||
else:
|
||||
raise ValueError(f"Unknown msg response type: {first_msg}")
|
||||
|
||||
|
||||
@asynccontextmanager
|
||||
async def open_portal(channel, nursery=None):
|
||||
"""Open a ``Portal`` through the provided ``channel``.
|
||||
|
||||
Spawns a background task to handle rpc message processing.
|
||||
"""
|
||||
actor = current_actor()
|
||||
assert actor
|
||||
was_connected = False
|
||||
|
||||
async with maybe_open_nursery(nursery) as nursery:
|
||||
|
||||
if not channel.connected():
|
||||
await channel.connect()
|
||||
was_connected = True
|
||||
|
||||
if channel.uid is None:
|
||||
await _do_handshake(actor, channel)
|
||||
|
||||
if not actor.get_chans(channel.uid):
|
||||
# actor is not currently managing this channel
|
||||
actor._peers[channel.uid].append(channel)
|
||||
|
||||
nursery.start_soon(actor._process_messages, channel)
|
||||
yield Portal(channel)
|
||||
|
||||
# cancel background msg loop task
|
||||
nursery.cancel_scope.cancel()
|
||||
if was_connected:
|
||||
actor._peers[channel.uid].remove(channel)
|
||||
await channel.aclose()
|
||||
|
||||
|
||||
class LocalPortal:
|
||||
"""A 'portal' to a local ``Actor``.
|
||||
|
||||
A compatibility shim for normal portals but for invoking functions
|
||||
using an in process actor instance.
|
||||
"""
|
||||
def __init__(self, actor):
|
||||
self.actor = actor
|
||||
|
||||
async def run(self, ns, func, **kwargs):
|
||||
"""Run a requested function locally and return it's result.
|
||||
"""
|
||||
obj = self.actor if ns == 'self' else importlib.import_module(ns)
|
||||
func = getattr(obj, func)
|
||||
return func(**kwargs)
|
||||
|
||||
|
||||
class ActorNursery:
|
||||
"""Spawn scoped subprocess actors.
|
||||
"""
|
||||
def __init__(self, actor, supervisor=None):
|
||||
self.supervisor = supervisor
|
||||
self._actor = actor
|
||||
# We'll likely want some way to cancel all sub-actors eventually
|
||||
# self.cancel_scope = cancel_scope
|
||||
self._children = {}
|
||||
|
||||
async def __aenter__(self):
|
||||
return self
|
||||
|
||||
async def start_actor(
|
||||
self,
|
||||
name: str,
|
||||
main=None,
|
||||
bind_addr=('127.0.0.1', 0),
|
||||
statespace=None,
|
||||
rpc_module_paths=None,
|
||||
outlive_main=False, # sub-actors die when their main task completes
|
||||
loglevel=None, # set console logging per subactor
|
||||
):
|
||||
actor = Actor(
|
||||
name,
|
||||
# modules allowed to invoked funcs from
|
||||
rpc_module_paths=rpc_module_paths,
|
||||
statespace=statespace, # global proc state vars
|
||||
main=main, # main coroutine to be invoked
|
||||
outlive_main=outlive_main,
|
||||
)
|
||||
parent_addr = self._actor.accept_addr
|
||||
assert parent_addr
|
||||
proc = ctx.Process(
|
||||
target=actor._fork_main,
|
||||
args=(bind_addr, parent_addr, loglevel),
|
||||
daemon=True,
|
||||
name=name,
|
||||
)
|
||||
proc.start()
|
||||
if not proc.is_alive():
|
||||
raise ActorFailure("Couldn't start sub-actor?")
|
||||
|
||||
# wait for actor to spawn and connect back to us
|
||||
# channel should have handshake completed by the
|
||||
# local actor by the time we get a ref to it
|
||||
event, chan = await self._actor.wait_for_peer(actor.uid)
|
||||
# channel is up, get queue which delivers result from main routine
|
||||
main_q = self._actor.get_waitq(actor.uid, 'main')
|
||||
self._children[(name, proc.pid)] = (actor, proc, main_q)
|
||||
|
||||
return Portal(chan)
|
||||
|
||||
async def wait(self):
|
||||
|
||||
async def wait_for_proc(proc):
|
||||
# TODO: timeout block here?
|
||||
if proc.is_alive():
|
||||
await trio.hazmat.wait_readable(proc.sentinel)
|
||||
# please god don't hang
|
||||
proc.join()
|
||||
log.debug(f"Joined {proc}")
|
||||
|
||||
# unblocks when all waiter tasks have completed
|
||||
async with trio.open_nursery() as nursery:
|
||||
for subactor, proc, main_q in self._children.values():
|
||||
nursery.start_soon(wait_for_proc, proc)
|
||||
|
||||
async def cancel(self, hard_kill=False):
|
||||
log.debug(f"Cancelling nursery")
|
||||
for subactor, proc, main_q in self._children.values():
|
||||
if proc is mp.current_process():
|
||||
# XXX: does this even make sense?
|
||||
await subactor.cancel()
|
||||
else:
|
||||
if hard_kill:
|
||||
log.warn(f"Hard killing subactors {self._children}")
|
||||
proc.terminate()
|
||||
# send KeyBoardInterrupt (trio abort signal) to underlying
|
||||
# sub-actors
|
||||
# os.kill(proc.pid, signal.SIGINT)
|
||||
else:
|
||||
# send cancel cmd - likely no response from subactor
|
||||
actor = self._actor
|
||||
chans = actor.get_chans(subactor.uid)
|
||||
if chans:
|
||||
for chan in chans:
|
||||
await actor.send_cmd(chan, 'self', 'cancel', {})
|
||||
else:
|
||||
log.warn(
|
||||
f"Channel for {subactor.uid} is already down?")
|
||||
log.debug(f"Waiting on all subactors to complete")
|
||||
await self.wait()
|
||||
log.debug(f"All subactors for {self} have terminated")
|
||||
|
||||
async def __aexit__(self, etype, value, tb):
|
||||
"""Wait on all subactor's main routines to complete.
|
||||
"""
|
||||
async def wait_for_actor(actor, proc, q):
|
||||
if proc.is_alive():
|
||||
ret_type, msg, q = await result_from_q(q)
|
||||
log.info(f"{actor.uid} main task completed with {msg}")
|
||||
if not actor._outlive_main:
|
||||
# trigger msg loop to break
|
||||
chans = self._actor.get_chans(actor.uid)
|
||||
for chan in chans:
|
||||
log.info(f"Signalling msg loop exit for {actor.uid}")
|
||||
await chan.send(None)
|
||||
|
||||
if etype is not None:
|
||||
log.warn(f"{current_actor().uid} errored with {etype}, "
|
||||
"cancelling actor nursery")
|
||||
await self.cancel()
|
||||
else:
|
||||
log.debug(f"Waiting on subactors to complete")
|
||||
async with trio.open_nursery() as nursery:
|
||||
for subactor, proc, main_q in self._children.values():
|
||||
nursery.start_soon(wait_for_actor, subactor, proc, main_q)
|
||||
|
||||
await self.wait()
|
||||
log.debug(f"Nursery teardown complete")
|
||||
|
||||
|
||||
def current_actor() -> Actor:
|
||||
"""Get the process-local actor instance.
|
||||
"""
|
||||
return _current_actor
|
||||
|
||||
|
||||
@asynccontextmanager
|
||||
async def open_nursery(supervisor=None, loglevel='WARNING'):
|
||||
"""Create and yield a new ``ActorNursery``.
|
||||
"""
|
||||
actor = current_actor()
|
||||
if not actor:
|
||||
raise RuntimeError("No actor instance has been defined yet?")
|
||||
|
||||
# TODO: figure out supervisors from erlang
|
||||
async with ActorNursery(current_actor(), supervisor) as nursery:
|
||||
yield nursery
|
||||
|
||||
|
||||
class NoArbiterFound(Exception):
|
||||
"Couldn't find the arbiter?"
|
||||
|
||||
|
||||
async def start_actor(actor, host, port, arbiter_addr, nursery=None):
|
||||
"""Spawn a local actor by starting a task to execute it's main
|
||||
async function.
|
||||
|
||||
Blocks if no nursery is provided, in which case it is expected the nursery
|
||||
provider is responsible for waiting on the task to complete.
|
||||
"""
|
||||
# assign process-local actor
|
||||
global _current_actor
|
||||
_current_actor = actor
|
||||
|
||||
# start local channel-server and fake the portal API
|
||||
# NOTE: this won't block since we provide the nursery
|
||||
log.info(f"Starting local {actor} @ {host}:{port}")
|
||||
|
||||
await actor._async_main(
|
||||
accept_addr=(host, port),
|
||||
parent_addr=None,
|
||||
arbiter_addr=arbiter_addr,
|
||||
nursery=nursery,
|
||||
)
|
||||
# XXX: If spawned locally, the actor is cancelled when this
|
||||
# context is complete given that there are no more active
|
||||
# peer channels connected to it.
|
||||
if not actor._outlive_main:
|
||||
actor.cancel_server()
|
||||
|
||||
# unset module state
|
||||
_current_actor = None
|
||||
log.info("Completed async main")
|
||||
|
||||
|
||||
@asynccontextmanager
|
||||
async def _connect_chan(host, port):
|
||||
"""Attempt to connect to an arbiter's channel server.
|
||||
Return the channel on success or None on failure.
|
||||
"""
|
||||
chan = Channel((host, port))
|
||||
await chan.connect()
|
||||
yield chan
|
||||
await chan.aclose()
|
||||
|
||||
|
||||
@asynccontextmanager
|
||||
async def get_arbiter(host, port):
|
||||
"""Return a portal instance connected to a local or remote
|
||||
arbiter.
|
||||
"""
|
||||
actor = current_actor()
|
||||
if not actor:
|
||||
raise RuntimeError("No actor instance has been defined yet?")
|
||||
|
||||
if actor.is_arbiter:
|
||||
# we're already the arbiter
|
||||
# (likely a re-entrant call from the arbiter actor)
|
||||
yield LocalPortal(actor)
|
||||
else:
|
||||
async with _connect_chan(host, port) as chan:
|
||||
async with open_portal(chan) as arb_portal:
|
||||
yield arb_portal
|
||||
|
||||
|
||||
@asynccontextmanager
|
||||
async def find_actor(
|
||||
name,
|
||||
arbiter_sockaddr=(_default_arbiter_host, _default_arbiter_port)
|
||||
):
|
||||
"""Ask the arbiter to find actor(s) by name.
|
||||
|
||||
Returns a sequence of unconnected portals for each matching actor
|
||||
known to the arbiter (client code is expected to connect the portals).
|
||||
"""
|
||||
actor = current_actor()
|
||||
if not actor:
|
||||
raise RuntimeError("No actor instance has been defined yet?")
|
||||
|
||||
async with get_arbiter(*arbiter_sockaddr) as arb_portal:
|
||||
sockaddrs = await arb_portal.run('self', 'find_actor', name=name)
|
||||
# TODO: return portals to all available actors - for now just
|
||||
# the first one we find
|
||||
if sockaddrs:
|
||||
sockaddr = sockaddrs[-1]
|
||||
async with _connect_chan(*sockaddr) as chan:
|
||||
async with open_portal(chan) as portal:
|
||||
yield portal
|
||||
else:
|
||||
yield
|
||||
|
||||
|
||||
async def _main(async_fn, args, kwargs, name, arbiter_addr):
|
||||
"""Async entry point for ``tractor``.
|
||||
"""
|
||||
main = partial(async_fn, *args) if async_fn else None
|
||||
arbiter_addr = (host, port) = arbiter_addr or (
|
||||
_default_arbiter_host, _default_arbiter_port)
|
||||
# make a temporary connection to see if an arbiter exists
|
||||
arbiter_found = False
|
||||
try:
|
||||
async with _connect_chan(host, port):
|
||||
arbiter_found = True
|
||||
except OSError:
|
||||
log.warn(f"No actor could be found @ {host}:{port}")
|
||||
|
||||
if arbiter_found: # we were able to connect to an arbiter
|
||||
log.info(f"Arbiter seems to exist @ {host}:{port}")
|
||||
# create a local actor and start up its main routine/task
|
||||
actor = Actor(
|
||||
name or 'anonymous',
|
||||
main=main,
|
||||
**kwargs
|
||||
)
|
||||
host, port = (_default_arbiter_host, 0)
|
||||
else:
|
||||
# start this local actor as the arbiter
|
||||
actor = Arbiter(name or 'arbiter', main=main, **kwargs)
|
||||
|
||||
await start_actor(actor, host, port, arbiter_addr=arbiter_addr)
|
||||
# Creates an internal nursery which shouldn't be cancelled even if
|
||||
# the one opened below is (this is desirable because the arbiter should
|
||||
# stay up until a re-election process has taken place - which is not
|
||||
# implemented yet FYI).
|
||||
|
||||
|
||||
def run(async_fn, *args, name=None, arbiter_addr=None, **kwargs):
|
||||
"""Run a trio-actor async function in process.
|
||||
|
||||
This is tractor's main entry and the start point for any async actor.
|
||||
"""
|
||||
return trio.run(_main, async_fn, args, kwargs, name, arbiter_addr)
|
||||
|
|
@ -6,7 +6,7 @@ Launch with ``piker watch <watchlist name>``.
|
|||
(Currently there's a bunch of questrade specific stuff in here)
|
||||
"""
|
||||
from itertools import chain
|
||||
from types import ModuleType
|
||||
from types import ModuleType, AsyncGeneratorType
|
||||
|
||||
import trio
|
||||
from kivy.uix.boxlayout import BoxLayout
|
||||
|
|
@ -319,7 +319,7 @@ async def update_quotes(
|
|||
nursery: 'Nursery',
|
||||
brokermod: ModuleType,
|
||||
widgets: dict,
|
||||
client: 'Client',
|
||||
agen: AsyncGeneratorType,
|
||||
symbol_data: dict,
|
||||
first_quotes: dict
|
||||
):
|
||||
|
|
@ -359,7 +359,7 @@ async def update_quotes(
|
|||
grid.render_rows(cache)
|
||||
|
||||
# core cell update loop
|
||||
async for quotes in client.aiter_recv(): # new quotes data only
|
||||
async for quotes in agen: # new quotes data only
|
||||
for symbol, quote in quotes.items():
|
||||
record, displayable = brokermod.format_quote(
|
||||
quote, symbol_data=symbol_data)
|
||||
|
|
@ -375,28 +375,27 @@ async def update_quotes(
|
|||
nursery.cancel_scope.cancel()
|
||||
|
||||
|
||||
async def run_kivy(root, nursery):
|
||||
'''Trio-kivy entry point.
|
||||
'''
|
||||
await async_runTouchApp(root) # run kivy
|
||||
nursery.cancel_scope.cancel() # cancel all other tasks that may be running
|
||||
|
||||
|
||||
async def _async_main(name, client, tickers, brokermod, rate):
|
||||
async def _async_main(name, portal, tickers, brokermod, rate):
|
||||
'''Launch kivy app + all other related tasks.
|
||||
|
||||
This is started with cli command `piker watch`.
|
||||
'''
|
||||
# subscribe for tickers
|
||||
await client.send((brokermod.name, tickers))
|
||||
# get initial symbol data (long term data including last days close price)
|
||||
# TODO: need something better this this toy protocol
|
||||
sd = await client.recv()
|
||||
# subscribe for tickers (this performs a possible filtering
|
||||
# where invalid symbols are discarded)
|
||||
sd = await portal.run(
|
||||
"piker.brokers.core", 'symbol_data',
|
||||
broker=brokermod.name, tickers=tickers)
|
||||
|
||||
# an async generator instance
|
||||
agen = await portal.run(
|
||||
"piker.brokers.core", 'start_quote_stream',
|
||||
broker=brokermod.name, tickers=tickers)
|
||||
|
||||
try:
|
||||
async with trio.open_nursery() as nursery:
|
||||
# get first quotes response
|
||||
log.debug("Waiting on first quote...")
|
||||
quotes = await client.recv()
|
||||
quotes = await agen.__anext__()
|
||||
first_quotes = [
|
||||
brokermod.format_quote(quote, symbol_data=sd)[0]
|
||||
for quote in quotes.values()]
|
||||
|
|
@ -455,6 +454,17 @@ async def _async_main(name, client, tickers, brokermod, rate):
|
|||
'header': header,
|
||||
'pager': pager,
|
||||
}
|
||||
nursery.start_soon(run_kivy, widgets['root'], nursery)
|
||||
nursery.start_soon(
|
||||
update_quotes, nursery, brokermod, widgets, client, sd, quotes)
|
||||
update_quotes, nursery, brokermod, widgets, agen, sd, quotes)
|
||||
|
||||
# Trio-kivy entry point.
|
||||
await async_runTouchApp(widgets['root']) # run kivy
|
||||
await agen.aclose() # cancel aysnc gen call
|
||||
finally:
|
||||
# un-subscribe from symbols stream
|
||||
await portal.run(
|
||||
"piker.brokers.core", 'modify_quote_stream',
|
||||
broker=brokermod.name, tickers=[])
|
||||
|
||||
# cancel GUI update task
|
||||
nursery.cancel_scope.cancel()
|
||||
|
|
|
|||
|
|
@ -0,0 +1,143 @@
|
|||
"""
|
||||
Actor model API testing
|
||||
"""
|
||||
import time
|
||||
from functools import partial
|
||||
|
||||
import pytest
|
||||
import trio
|
||||
from piker import tractor
|
||||
|
||||
|
||||
@pytest.fixture
|
||||
def us_symbols():
|
||||
return ['TSLA', 'AAPL', 'CGC', 'CRON']
|
||||
|
||||
|
||||
@pytest.mark.trio
|
||||
async def test_no_arbitter():
|
||||
"""An arbitter must be established before any nurseries
|
||||
can be created.
|
||||
|
||||
(In other words ``tractor.run`` must be used instead of ``trio.run`` as is
|
||||
done by the ``pytest-trio`` plugin.)
|
||||
"""
|
||||
with pytest.raises(RuntimeError):
|
||||
with tractor.open_nursery():
|
||||
pass
|
||||
|
||||
|
||||
def test_local_actor_async_func():
|
||||
"""Verify a simple async function in-process.
|
||||
"""
|
||||
nums = []
|
||||
|
||||
async def print_loop():
|
||||
# arbiter is started in-proc if dne
|
||||
assert tractor.current_actor().is_arbiter
|
||||
|
||||
for i in range(10):
|
||||
nums.append(i)
|
||||
await trio.sleep(0.1)
|
||||
|
||||
start = time.time()
|
||||
tractor.run(print_loop)
|
||||
|
||||
# ensure the sleeps were actually awaited
|
||||
assert time.time() - start >= 1
|
||||
assert nums == list(range(10))
|
||||
|
||||
|
||||
# NOTE: this func must be defined at module level in order for the
|
||||
# interal pickling infra of the forkserver to work
|
||||
async def spawn(is_arbiter):
|
||||
statespace = {'doggy': 10, 'kitty': 4}
|
||||
namespaces = ['piker.brokers.core']
|
||||
|
||||
await trio.sleep(0.1)
|
||||
actor = tractor.current_actor()
|
||||
assert actor.is_arbiter == is_arbiter
|
||||
|
||||
# arbiter should always have an empty statespace as it's redundant
|
||||
assert actor.statespace == statespace
|
||||
|
||||
if actor.is_arbiter:
|
||||
async with tractor.open_nursery() as nursery:
|
||||
# forks here
|
||||
portal = await nursery.start_actor(
|
||||
'sub-actor',
|
||||
main=partial(spawn, False),
|
||||
statespace=statespace,
|
||||
rpc_module_paths=namespaces,
|
||||
)
|
||||
assert len(nursery._children) == 1
|
||||
assert portal.channel.uid in tractor.current_actor()._peers
|
||||
else:
|
||||
return 10
|
||||
|
||||
|
||||
def test_local_arbiter_subactor_global_state():
|
||||
statespace = {'doggy': 10, 'kitty': 4}
|
||||
tractor.run(
|
||||
spawn,
|
||||
True,
|
||||
name='arbiter',
|
||||
statespace=statespace,
|
||||
)
|
||||
|
||||
|
||||
async def rx_price_quotes_from_brokerd(us_symbols):
|
||||
"""Verify we can spawn a daemon actor and retrieve streamed price data.
|
||||
"""
|
||||
async with tractor.find_actor('brokerd') as portals:
|
||||
if not portals:
|
||||
# only one per host address, spawns an actor if None
|
||||
async with tractor.open_nursery() as nursery:
|
||||
# no brokerd actor found
|
||||
portal = await nursery.start_actor(
|
||||
'brokerd',
|
||||
rpc_module_paths=['piker.brokers.core'],
|
||||
statespace={
|
||||
'brokers2tickersubs': {},
|
||||
'clients': {},
|
||||
'dtasks': set()
|
||||
},
|
||||
main=None, # don't start a main func - use rpc
|
||||
)
|
||||
|
||||
# gotta expose in a broker agnostic way...
|
||||
# retrieve initial symbol data
|
||||
# sd = await portal.run(
|
||||
# 'piker.brokers.core', 'symbol_data', symbols=us_symbols)
|
||||
# assert list(sd.keys()) == us_symbols
|
||||
|
||||
gen = await portal.run(
|
||||
'piker.brokers.core',
|
||||
'_test_price_stream',
|
||||
broker='robinhood',
|
||||
symbols=us_symbols,
|
||||
)
|
||||
# it'd sure be nice to have an asyncitertools here...
|
||||
async for quotes in gen:
|
||||
assert quotes
|
||||
for key in quotes:
|
||||
assert key in us_symbols
|
||||
break
|
||||
# terminate far-end async-gen
|
||||
# await gen.asend(None)
|
||||
# break
|
||||
|
||||
# stop all spawned subactors
|
||||
await nursery.cancel()
|
||||
|
||||
# arbitter is cancelled here due to `find_actors()` internals
|
||||
# (which internally uses `get_arbiter` which kills its channel
|
||||
# server scope on exit)
|
||||
|
||||
|
||||
def test_rx_price_quotes_from_brokerd(us_symbols):
|
||||
tractor.run(
|
||||
rx_price_quotes_from_brokerd,
|
||||
us_symbols,
|
||||
name='arbiter',
|
||||
)
|
||||
Loading…
Reference in New Issue