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#!/usr/bin/env python
# Ledger, the command-line accounting tool
#
# Copyright (c) 2003-2004, New Artisans LLC. All rights reserved.
#
# This program is made available under the terms of the BSD Public
# License. See the LICENSE file included with the distribution for
# details and disclaimer.
#
# This script provides a Python front-end to the ledger library, which
# replicates the functionality of the C++ front-end found in main.cc.
# It is provided as an alternative to main.cc, or as a starting point
# for creating custom front-ends based on the Ledger module. See the
# documentation for API references, and how to use that module.
import sys
import os
from ledger import *
journal = Journal ()
add_config_option_handlers ()
args = process_arguments (sys.argv[1:])
config.use_cache = not config.data_file
process_environment (os.environ, "LEDGER_")
if os.environ.has_key ("LEDGER"):
process_option ("file", os.environ["LEDGER"])
if os.environ.has_key ("PRICE_HIST"):
process_option ("price-db", os.environ["PRICE_HIST"])
if os.environ.has_key ("PRICE_EXP"):
process_option ("price-exp", os.environ["PRICE_EXP"])
if len (args) == 0:
option_help ()
sys.exit (0)
command = args.pop (0);
if command == "balance" or command == "bal" or command == "b":
command = "b"
elif command == "register" or command == "reg" or command == "r":
command = "r"
elif command == "print" or command == "p":
command = "p"
elif command == "entry":
command = "e"
elif command == "equity":
command = "E"
else:
print "Unrecognized command:", command
sys.exit (1)
text_parser = TextualParser ()
bin_parser = BinaryParser ()
qif_parser = QifParser ()
register_parser (text_parser)
register_parser (bin_parser)
register_parser (qif_parser)
parse_ledger_data (journal, text_parser, bin_parser)
config.process_options(command, args);
new_entry = None
if command == "e":
new_entry = journal.derive_entry (args)
if new_entry is None:
sys.exit (1)
class FormatTransaction (TransactionHandler):
last_entry = None
output = None
def __init__ (self, fmt = None):
if fmt is None:
self.formatter = config.format
self.nformatter = config.nformat
else:
try:
i = string.index (fmt, '%/')
self.formatter = Format (fmt[: i])
self.nformatter = Format (fmt[i + 2 :])
except ValueError:
self.formatter = Format (fmt)
self.nformatter = None
self.last_entry = None
if config.output_file:
self.output = open(config.output_file, "w")
else:
self.output = sys.stdout
TransactionHandler.__init__ (self)
def __del__ (self):
if config.output_file:
self.output.close ()
def flush (self):
self.output.flush ()
def __call__ (self, xact):
if self.nformatter and xact.entry is self.last_entry:
self.output.write(self.nformatter.format(xact))
else:
self.output.write(self.formatter.format(xact))
self.last_entry = xact.entry
if command == "b" or command == "E":
handler = SetAccountValue()
else:
handler = FormatTransaction()
if not (command == "b" or command == "E"):
if config.display_predicate:
handler = FilterTransactions(handler, config.display_predicate)
handler = CalcTransactions(handler, config.show_inverted)
if config.sort_order:
handler = SortTransactions(handler, config.sort_order)
if config.show_revalued:
handler = ChangedValueTransactions(handler, config.show_revalued_only)
if config.show_collapsed:
handler = CollapseTransactions(handler);
if config.show_subtotal:
handler = SubtotalTransactions(handler)
elif config.report_interval:
handler = IntervalTransactions(handler, config.report_interval)
elif config.days_of_the_week:
handler = DowTransactions(handler)
if config.show_related:
handler = RelatedTransactions(handler, config.show_all_related)
if config.predicate:
handler = FilterTransactions(handler, config.predicate)
if 1:
walk_entries (journal, handler)
else:
# These for loops are equivalent to `walk_entries', but far slower
for entry in journal:
for xact in entry:
handler (xact)
handler.flush ()
#if command == "b":
# format_account acct_formatter(out, config.format,
# config.display_predicate);
# sum_accounts(*journal->master);
# walk_accounts(*journal->master, acct_formatter, config.sort_order);
# acct_formatter.flush();
#
# if (journal->master->data) {
# ACCT_DATA(journal->master)->value = ACCT_DATA(journal->master)->total;
#
# if (ACCT_DATA(journal->master)->dflags & ACCOUNT_TO_DISPLAY) {
# out << "--------------------\n";
# config.format.format(out, details_t(*journal->master));
# }
# }
#elif command == "E":
# format_equity acct_formatter(out, config.format, config.nformat,
# config.display_predicate);
# sum_accounts(*journal->master);
# walk_accounts(*journal->master, acct_formatter, config.sort_order);
# acct_formatter.flush();
# }
if config.use_cache and config.cache_dirty and config.cache_file:
write_binary_journal(config.cache_file, journal);
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