Drop final use of `toml` 3rd party lib

We moved to `tomlkit` as per #496 and this lets us drop the mess that
was the inline-table encoder in `.accounting._toml` XD

Relates to #496

piker/accounting/_pos.py

@@ -36,11 +36,8 @@ from typing import (
 
 import pendulum
 from pendulum import datetime, now
+import tomlkit
 
-from ._toml import (
-    toml,
-    PpsEncoder,
-)
 from ._ledger import (
     Transaction,
     iter_by_dt,
@@ -180,11 +177,16 @@ class Position(Struct):
         elif expiry:
             d['expiry'] = str(expiry)
 
-        toml_clears_list: list[dict[str, Any]] = []
+        clears_table: tomlkit.Array = tomlkit.array()
+        clears_table.multiline(
+            multiline=True,
+            indent='',
+        )
 
         # reverse sort so latest clears are at top of section?
         for tid, data in iter_by_dt(clears):
-            inline_table = toml.TomlDecoder().get_empty_inline_table()
+
+            inline_table = tomlkit.inline_table()
 
             # serialize datetime to parsable `str`
             dtstr = inline_table['dt'] = data['dt'].isoformat('T')
@@ -201,9 +203,9 @@ class Position(Struct):
                 inline_table[k] = data[k]
 
             inline_table['tid'] = tid
-            toml_clears_list.append(inline_table)
+            clears_table.append(inline_table)
 
-        d['clears'] = toml_clears_list
+        d['clears'] = clears_table
 
         return fqme, d
 
@@ -732,19 +734,9 @@ class PpTable(Struct):
             for entry in list(self.conf):
                 del self.conf[entry]
 
-        # TODO: why tf haven't they already done this for inline
-        # tables smh..
-        enc = PpsEncoder(preserve=True)
-        # table_bs_type = type(toml.TomlDecoder().get_empty_inline_table())
-        enc.dump_funcs[
-            toml.decoder.InlineTableDict
-        ] = enc.dump_inline_table
-
         config.write(
             config=self.conf,
             path=self.conf_path,
-            encoder=enc,
-            fail_empty=False
         )
 
 

piker/accounting/_toml.py

@@ -1,156 +0,0 @@
-# piker: trading gear for hackers
-# Copyright (C) Tyler Goodlet (in stewardship for pikers)
-
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU Affero General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU Affero General Public License for more details.
-
-# You should have received a copy of the GNU Affero General Public License
-# along with this program.  If not, see <https://www.gnu.org/licenses/>.
-
-'''
-TOML codec hacks to make position tables look decent.
-
-(looking at you "`toml`-lib"..)
-
-'''
-import re
-
-import toml
-
-
-# TODO: instead see if we can hack tomli and tomli-w to do the same:
-# - https://github.com/hukkin/tomli
-# - https://github.com/hukkin/tomli-w
-class PpsEncoder(toml.TomlEncoder):
-    '''
-    Special "styled" encoder that makes a ``pps.toml`` redable and
-    compact by putting `.clears` tables inline and everything else
-    flat-ish.
-
-    '''
-    separator = ','
-
-    def dump_list(self, v):
-        '''
-        Dump an inline list with a newline after every element and
-        with consideration for denoted inline table types.
-
-        '''
-        retval = "[\n"
-        for u in v:
-            if isinstance(u, toml.decoder.InlineTableDict):
-                out = self.dump_inline_table(u)
-            else:
-                out = str(self.dump_value(u))
-
-            retval += " " + out + "," + "\n"
-        retval += "]"
-        return retval
-
-    def dump_inline_table(self, section):
-        """Preserve inline table in its compact syntax instead of expanding
-        into subsection.
-        https://github.com/toml-lang/toml#user-content-inline-table
-        """
-        val_list = []
-        for k, v in section.items():
-            # if isinstance(v, toml.decoder.InlineTableDict):
-            if isinstance(v, dict):
-                val = self.dump_inline_table(v)
-            else:
-                val = str(self.dump_value(v))
-
-            val_list.append(k + " = " + val)
-
-        retval = "{ " + ", ".join(val_list) + " }"
-        return retval
-
-    def dump_sections(self, o, sup):
-        retstr = ""
-        if sup != "" and sup[-1] != ".":
-            sup += '.'
-        retdict = self._dict()
-        arraystr = ""
-        for section in o:
-            qsection = str(section)
-            value = o[section]
-
-            if not re.match(r'^[A-Za-z0-9_-]+$', section):
-                qsection = toml.encoder._dump_str(section)
-
-            # arrayoftables = False
-            if (
-                self.preserve
-                and isinstance(value, toml.decoder.InlineTableDict)
-            ):
-                retstr += (
-                    qsection
-                    +
-                    " = "
-                    +
-                    self.dump_inline_table(o[section])
-                    +
-                    '\n'  # only on the final terminating left brace
-                )
-
-            # XXX: this code i'm pretty sure is just blatantly bad
-            # and/or wrong..
-            # if isinstance(o[section], list):
-            #     for a in o[section]:
-            #         if isinstance(a, dict):
-            #             arrayoftables = True
-            # if arrayoftables:
-            #     for a in o[section]:
-            #         arraytabstr = "\n"
-            #         arraystr += "[[" + sup + qsection + "]]\n"
-            #         s, d = self.dump_sections(a, sup + qsection)
-            #         if s:
-            #             if s[0] == "[":
-            #                 arraytabstr += s
-            #             else:
-            #                 arraystr += s
-            #         while d:
-            #             newd = self._dict()
-            #             for dsec in d:
-            #                 s1, d1 = self.dump_sections(d[dsec], sup +
-            #                                             qsection + "." +
-            #                                             dsec)
-            #                 if s1:
-            #                     arraytabstr += ("[" + sup + qsection +
-            #                                     "." + dsec + "]\n")
-            #                     arraytabstr += s1
-            #                 for s1 in d1:
-            #                     newd[dsec + "." + s1] = d1[s1]
-            #             d = newd
-            #         arraystr += arraytabstr
-
-            elif isinstance(value, dict):
-                retdict[qsection] = o[section]
-
-            elif o[section] is not None:
-                retstr += (
-                    qsection
-                    +
-                    " = "
-                    +
-                    str(self.dump_value(o[section]))
-                )
-
-                # if not isinstance(value, dict):
-                if not isinstance(value, toml.decoder.InlineTableDict):
-                    # inline tables should not contain newlines:
-                    # https://toml.io/en/v1.0.0#inline-table
-                    retstr += '\n'
-
-            else:
-                raise ValueError(value)
-
-        retstr += arraystr
-        return (retstr, retdict)