72 lines
2.1 KiB
Python
72 lines
2.1 KiB
Python
# piker: trading gear for hackers
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# Copyright (C) 2018-present Tyler Goodlet (in stewardship of piker0)
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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import os
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import json
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from collections import defaultdict
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from ..log import get_logger
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log = get_logger(__name__)
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_builtins = {
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'indexes': ['SPY', 'DAX', 'QQQ', 'DIA'],
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}
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def write_to_file(watchlist, path):
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for key in watchlist:
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watchlist[key] = sorted(list(set(watchlist[key])))
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with open(path, 'w') as f:
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json.dump(watchlist, f, sort_keys=True, indent=4)
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def make_config_dir(dir_path):
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if not os.path.isdir(dir_path):
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log.debug(f"Creating config dir {dir_path}")
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os.makedirs(dir_path)
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def ensure_watchlists(file_path):
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mode = 'r' if os.path.isfile(file_path) else 'w'
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with open(file_path, mode) as f:
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return json.load(f) if not os.stat(file_path).st_size == 0 else {}
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def add_ticker(name, ticker_name, watchlist):
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watchlist.setdefault(name, []).append(str(ticker_name).upper())
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return watchlist
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def remove_ticker(name, ticker_name, watchlist):
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watchlist[name].remove(str(ticker_name).upper())
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if watchlist[name] == []:
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del watchlist[name]
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return watchlist
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def delete_group(name, watchlist):
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watchlist.pop(name, None)
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return watchlist
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def merge_watchlist(watchlist_to_merge, watchlist):
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merged_watchlist = defaultdict(list)
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for d in (watchlist, watchlist_to_merge):
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for key, value in d.items():
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merged_watchlist[key].extend(value)
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return merged_watchlist
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