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@bschlenk bschlenk/ini2json.py forked from Natim/ini2json.py
Last active Mar 3, 2017

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Convert an ini configuration file into a json file. Retains original order of ini file entries and prints json out with four space indentation.
#!/usr/bin/env python
# -*- coding: utf-8 -*-
import json
import sys
from collections import OrderedDict
from ConfigParser import (ConfigParser, MissingSectionHeaderError,
ParsingError, DEFAULTSECT)
class StrictConfigParser(ConfigParser):
def _read(self, fp, fpname):
cursect = None # None, or a dictionary
optname = None
lineno = 0
e = None # None, or an exception
while True:
line = fp.readline()
if not line:
break
lineno = lineno + 1
# comment or blank line?
if line.strip() == '' or line[0] in '#;':
continue
if line.split(None, 1)[0].lower() == 'rem' and line[0] in "rR":
# no leading whitespace
continue
# continuation line?
if line[0].isspace() and cursect is not None and optname:
value = line.strip()
if value:
cursect[optname].append(value)
# a section header or option header?
else:
# is it a section header?
mo = self.SECTCRE.match(line)
if mo:
sectname = mo.group('header')
if sectname in self._sections:
raise ValueError('Duplicate section %r' % sectname)
elif sectname == DEFAULTSECT:
cursect = self._defaults
else:
cursect = self._dict()
cursect['__name__'] = sectname
self._sections[sectname] = cursect
# So sections can't start with a continuation line
optname = None
# no section header in the file?
elif cursect is None:
raise MissingSectionHeaderError(fpname, lineno, line)
# an option line?
else:
try:
mo = self._optcre.match(line) # 2.7
except AttributeError:
mo = self.OPTCRE.match(line) # 2.6
if mo:
optname, vi, optval = mo.group('option', 'vi', 'value')
optname = self.optionxform(optname.rstrip())
# This check is fine because the OPTCRE cannot
# match if it would set optval to None
if optval is not None:
if vi in ('=', ':') and ';' in optval:
# ';' is a comment delimiter only if it follows
# a spacing character
pos = optval.find(';')
if pos != -1 and optval[pos - 1].isspace():
optval = optval[:pos]
optval = optval.strip()
# allow empty values
if optval == '""':
optval = ''
cursect[optname] = [optval]
else:
# valueless option handling
cursect[optname] = optval
else:
# a non-fatal parsing error occurred. set up the
# exception but keep going. the exception will be
# raised at the end of the file and will contain a
# list of all bogus lines
if not e:
e = ParsingError(fpname)
e.append(lineno, repr(line))
# if any parsing errors occurred, raise an exception
if e:
raise e
# join the multi-line values collected while reading
all_sections = [self._defaults]
all_sections.extend(self._sections.values())
for options in all_sections:
for name, val in options.items():
if isinstance(val, list):
options[name] = '\n'.join(val)
def dget(self, section, option, default=None, type=str):
if not self.has_option(section, option):
return default
if type is str:
return self.get(section, option)
elif type is int:
return self.getint(section, option)
elif type is bool:
return self.getboolean(section, option)
else:
raise NotImplementedError()
if __name__ == "__main__":
cfg = StrictConfigParser()
if len(sys.argv) > 1:
f = open(sys.argv[1])
else:
f = sys.stdin
cfg.readfp(f)
f.close()
config = OrderedDict()
for section in cfg.sections():
config[section] = OrderedDict()
for name, value in cfg.items(section):
config[section][name] = [x.strip() for x in value.split() if x]
if len(config[section][name]) == 1:
config[section][name] = config[section][name][0]
elif len(config[section][name]) == 0:
config[section][name] = ''
print json.dumps(config, indent=4, separators=(',', ': '))
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