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class Error(Exception):
pass
class ConfigParser(object):
class Section(object):
def __init__(self, name):
self.name = name
self.options = {}
def __init__(self):
self.__sections = {}
def read_file(self, f, source=None):
self.__sections = {}
section = None
while True:
line = f.readline()
if not line:
break
line = line.lstrip().rstrip("\r\n")
if not line or line.startswith(";"):
continue
sline = line.strip()
if sline.startswith("[") and sline.endswith("]"):
sectionName = sline[1:-1]
if sectionName in self.__sections:
raise Error("Multiple definitions of section '%s'" % sectionName)
section = self.__sections[sectionName] = self.Section(sectionName)
continue
if section is None:
raise Error("Option '%s' is not in a section." % line)
idx = line.find("=")
if idx > 0:
optionName = line[:idx]
optionValue = line[idx+1:]
if optionName in section.options:
raise Error("Multiple definitions of option '%s/%s'" % (
section.name, optionName))
section.options[optionName] = optionValue
continue
raise Error("Could not parse line: %s" % line)
def has_option(self, section, option):
try:
self.get(section, option)
except Error as e:
return False
return True
def get(self, section, option):
try:
return self.__sections[section].options[option]
except KeyError as e:
raise Error("Option '%s/%s' not found." % (section, option))
def getboolean(self, section, option):
try:
v = self.get(section, option).lower().strip()
if v == "true":
return True
if v == "false":
return False
return bool(int(v))
except ValueError as e:
raise Error("Invalid boolean option '%s/%s'." % (section, option))
def getint(self, section, option):
try:
return int(self.get(section, option))
except ValueError as e:
raise Error("Invalid int option '%s/%s'." % (section, option))
def sections(self):
return list(self.__sections.keys())
def options(self, section):
try:
return list(self.__sections[section].options)
except KeyError as e:
raise Error("Section '%s' not found." % section)
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