feat: enhance argument capability
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06903c89e4
commit
03bb7edac3
@ -3,73 +3,50 @@ import sqlite3
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import sys
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from . import args
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from . import calc
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from . import db
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from . import parser
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from . import util
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from .ctx import Context
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dbconn = None
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dbcur = None
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ctx = None
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try:
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parg = args.create()
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try: # parsing args
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params = args.parse(sys.argv[1:])
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params = parg.parse_args(sys.argv[1:])
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if params.actions is None:
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params.actions = []
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except Exception as e:
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args.print_help()
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parg.print_help()
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raise Exception("failure while parsing args", e)
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try: # initializing DB
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dbconn = sqlite3.connect(params.dbpath)
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dbcur = dbconn.cursor()
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db.try_init(dbcur)
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dbcur.execute("BEGIN;")
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except Exception as e:
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raise Exception("failure while initializing DB", e)
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if not sys.stdin.isatty():
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try: # insert new records
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for tx in parser.parse(sys.stdin):
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db.apply(dbcur, tx)
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ctx = Context(dbcur)
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for action in enumerate(params.actions):
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try:
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action[1](ctx)
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except Exception as e:
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raise Exception("failure while inserting new records", e)
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try: # writing outputs
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calc.call(
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calc.balancesheet,
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params.balancesheet,
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dbcur,
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)
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calc.call(
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calc.plstatement,
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util.get_or(params.plstatement, 0),
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dbcur,
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begin=util.get_or(params.plstatement, 1),
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end =util.get_or(params.plstatement, 2),
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)
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calc.call(
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calc.balancetransition,
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params.balancetransition,
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dbcur,
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)
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calc.call(
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calc.pltransition,
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util.get_or(params.pltransition, 0),
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dbcur,
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datefmt=util.get_or(params.pltransition, 1),
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)
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except Exception as e:
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raise Exception("failure while calculating output", e)
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raise Exception(f"failure while executing {action[0]}-th action", e)
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except Exception as e:
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print(f"bookeeper: error: {e}", file=sys.stderr)
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dbcur and dbcur.execute("ROLLBACK;")
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else:
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if params.permanentize:
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dbcur.execute("COMMIT;")
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else:
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dbcur.execute("ROLLBACK;")
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finally:
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if ctx:
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ctx.finalize()
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if dbcur:
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dbcur.close()
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if dbconn:
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dbconn.commit();
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dbconn.close()
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@ -1,55 +1,68 @@
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import argparse
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_parser = argparse.ArgumentParser(
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prog="bookeeper",
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description="CLI app for bookkeeping",
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epilog="developed by falsycat <me@falsy.cat>",
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)
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def create():
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p = argparse.ArgumentParser(
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prog="bookeeper",
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description="CLI app for bookkeeping",
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epilog="developed by falsycat <me@falsy.cat>",
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)
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_parser.add_argument(
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"dbpath",
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help="path to sqlite database file",
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nargs="?",
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default=":memory:",
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)
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p.add_argument(
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"dbpath",
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help="path to sqlite database file",
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nargs="?",
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default=":memory:",
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)
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_parser.add_argument(
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"-p", "--permanentize",
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help="apply changes",
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action="store_true",
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dest="permanentize",
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)
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p.add_argument(
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"-p", "--permanentize",
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help="apply changes",
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nargs=1,
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action=_PermanentizeAction,
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dest="actions",
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)
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p.add_argument(
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"-r", "--read",
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help="reads all records from the file",
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nargs=1,
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action=_ReadRecordsAction,
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dest="actions",
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)
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p.add_argument(
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"-o", "--output",
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help="changes output file for latter actions",
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nargs=1,
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action=_ChangeOutputAction,
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dest="actions",
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)
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p.add_argument(
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"--sql",
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help="executes SQL command",
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nargs=1,
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action=_SqlAction,
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dest="actions",
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)
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return p
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_parser.add_argument(
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"-bs", "--balancesheet",
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help="emit balancesheet",
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action="store",
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dest="balancesheet",
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)
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_parser.add_argument(
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"-bt", "--balance-transition",
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help="emit daily transition of balance",
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action="store",
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dest="balancetransition",
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)
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_parser.add_argument(
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"-pl", "--pl-statement",
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help="emit P/L statement (filepath, begin, end)",
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action="store",
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nargs="+",
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dest="plstatement",
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)
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_parser.add_argument(
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"-plt", "--pl-transition",
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help="emit transition of P/L",
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action="store",
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nargs="+",
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dest="pltransition",
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)
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class _PermanentizeAction(argparse.Action):
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def __call__(self, parser, ns, values, option_string=None):
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_push_action(ns, lambda x: x.permanentize())
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def print_help():
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_parser.print_help()
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class _ReadRecordsAction(argparse.Action):
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def __call__(self, parser, ns, values, option_string=None):
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_push_action(ns, lambda x: x.read_records(values[0]))
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def parse(args):
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ret = _parser.parse_args(args)
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return ret
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class _ChangeOutputAction(argparse.Action):
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def __call__(self, parser, ns, values, option_string=None):
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_push_action(ns, lambda x: x.change_output(values[0]))
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class _SqlAction(argparse.Action):
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def __call__(self, parser, ns, values, option_string=None):
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_push_action(ns, lambda x: x.sql(values[0]))
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def _push_action(ns, act):
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actions = getattr(ns, "actions", None)
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if actions is None:
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actions = []
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setattr(ns, "actions", actions)
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actions.append(act)
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@ -1,101 +0,0 @@
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import sys
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def call(func, path, *args, **kwargs):
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if path == "-":
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func(sys.stdout, *args, **kwargs)
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elif path is None:
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pass
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else:
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with open(path, "w") as f:
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func(f, *args, **kwargs)
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def balancesheet(stream, cur):
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cur.execute("""
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SELECT
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entry.type,
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entry.name,
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SUM(journal.amount)
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FROM journal RIGHT JOIN entry ON journal.entry=entry.id
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WHERE entry.type in ("A","D","N")
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GROUP BY entry.name;
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""")
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for row in cur:
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print(_recover_entry_name(row[0], row[1]), row[2], file=stream, sep=",")
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def plstatement(stream, cur, begin=None, end=None):
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if begin is None:
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begin = "0000-00-00";
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if end is None:
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end = "9999-12-31";
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cur.execute("""
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SELECT
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entry.type,
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entry.name,
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SUM(journal.amount)
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FROM journal
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RIGHT JOIN entry ON journal.entry=entry.id
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RIGHT JOIN tx ON journal.tx =tx.id
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WHERE
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entry.type in ("E","R") AND tx.date BETWEEN ? AND ?
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GROUP BY entry.name;
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""", (begin, end))
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for row in cur:
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print(_recover_entry_name(row[0], row[1]), row[2], file=stream, sep=",")
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def balancetransition(stream, cur):
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cur.execute("""
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SELECT
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date,
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SUM(sum)
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OVER(ORDER BY date ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW)
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FROM (
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SELECT
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tx.date AS date,
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SUM(
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CASE WHEN entry.type="A" THEN journal.amount ELSE -journal.amount END
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) AS sum
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FROM journal
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RIGHT JOIN entry ON journal.entry=entry.id
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RIGHT JOIN tx ON journal.tx =tx.id
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WHERE entry.type in ("A","D","N")
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GROUP BY tx.date
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);
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""")
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for row in cur:
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print(*row, file=stream, sep=",")
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def pltransition(stream, cur, datefmt=None):
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if datefmt is None:
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datefmt = "%Y-%m-%d"
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cur.execute("""
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WITH temp AS (
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SELECT
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STRFTIME(?, tx.date) AS period,
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entry.type AS type,
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SUM(amount) AS sum
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FROM journal
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RIGHT JOIN entry ON journal.entry=entry.id
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RIGHT JOIN tx ON journal.tx =tx.id
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WHERE entry.type in ("E","R")
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GROUP BY period, entry.type
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)
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SELECT
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a.period AS period,
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a.sum AS expense,
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IFNULL(b.sum, 0) AS revenue
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FROM temp AS a LEFT JOIN temp AS b ON a.period=b.period AND b.type="R"
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WHERE a.type="E";
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""", [datefmt])
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for row in cur:
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print(*row, file=stream, sep=",")
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def _recover_entry_name(t: str, name: str):
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m = {
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"A": "asset",
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"D": "debt",
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"N": "net",
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"E": "expense",
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"R": "revenue",
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}
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return f"{m[t]}/{name}"
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46
bookeeper/ctx.py
Normal file
46
bookeeper/ctx.py
Normal file
@ -0,0 +1,46 @@
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import io
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import sqlite3
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import sys
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from . import db
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from . import parser
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class Context:
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def __init__(self, dbcur: sqlite3.Cursor):
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self.ostream = sys.stdout
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self.dbcur = dbcur
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self.dbcur.execute("BEGIN;")
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def finalize(self):
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self.dbcur.execute("ROLLBACK;")
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self.close_output()
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def permanentize(self):
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self.dbcur.execute("COMMIT;")
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self.dbcur.execute("BEGIN;")
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def read_records(self, path):
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def parse(st):
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for tx in parser.parse(st):
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db.apply(self.dbcur, tx)
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if path == "-":
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parse(sys.stdin)
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else:
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with open(path) as f:
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parse(f)
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def change_output(self, path):
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self.close_output()
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if path != "-":
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self.ostream = open(path, "w")
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def close_output(self):
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if self.ostream is not sys.stdout:
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self.ostream.close()
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self.ostream = sys.stdout
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def sql(self, cmd: str):
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self.dbcur.execute(cmd)
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for row in self.dbcur:
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print(*row, file=self.ostream)
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@ -1,5 +0,0 @@
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def get_or(a: list, idx: int, default = None):
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try:
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return a[idx]
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except:
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return default
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