def read(self, fobj, filename=''):
encoding = None
if isinstance(fobj, (str, text_type)):
f = open(fobj, 'rb')
text = f.read()
f.close()
else:
text = fobj.read()
text = text + b'\n'
begin = 0
if text.startswith(codecs.BOM_UTF8):
begin = 3
encoding = 'UTF-8'
elif text.startswith(codecs.BOM_UTF16):
begin = 2
encoding = 'UTF-16'
if not encoding:
try:
text_type(text, 'UTF-8')
encoding = 'UTF-8'
except:
encoding = defaultencoding
self._encoding = encoding
f = StringIO(text_type(text, 'utf-8'))
f.seek(begin)
lineno = 0
comments = []
section = None
while 1:
lastpos = f.tell()
line = f.readline()
lineno += 1
if not line:
break
line = line.strip()
if line:
if line.startswith(self._commentchar):
if lineno == 1: #first comment line
b = r_encoding.search(line[1:])
if b:
self._encoding = b.groups()[0]
continue
comments.append(line)
elif line.startswith('[') and line.endswith(']'):
sec_name = line[1:-1].strip()
#process include notation
if sec_name.startswith('include:'):
_filename = sec_name[8:].strip()
_filename = os.path.abspath(_filename)
if os.path.exists(_filename):
old_encoding = self._encoding
self.read(_filename)
self._encoding = old_encoding
else:
import warnings
warnings.warn(Warning("Can't find the file [%s], so just skip it" % _filename), stacklevel=2)
continue
info = RawValue(self._inifile, lineno, sec_name)
section = self.add(sec_name, comments, info=info)
comments = []
elif '=' in line:
if section is None:
raise Exception("No section found, please define it first in %s file" % self.filename)
#if find <=, then it'll replace the old value for mutable variables
#because the default behavior will merge list and dict
pos = line.find('<=')
if pos != -1:
begin, end = pos, pos+2
replace_flag = True
else:
pos = line.find('=')
begin, end = pos, pos+1
replace_flag = False
keyname = line[:begin].strip()
#check keyname
if keyname in self._env:
raise KeyError("Settings key %s is alread defined in env, please change it's name" % keyname)
rest = line[end:].strip()
#if key= then value will be set ''
if rest == '':
v = None
else:
f.seek(lastpos+end)
try:
value, iden_existed = self.__read_line(f)
except Exception as e:
print_exc()
raise Exception("Parsing ini file error in %s:%d:%s" % (filename or self._inifile, lineno, line))
if self._lazy:
if iden_existed:
v = EvalValue(value, filename or self._inifile, lineno, line)
else:
v = value
else:
if self._raw:
v = RawValue(self._inifile, lineno, value, replace_flag)
else:
try:
v = eval_value(value, self.env(), self[sec_name], self._encoding)
except Exception as e:
print(e)
print_exc()
print_(dict(self))
raise Exception("Converting value (%s) error in %s:%d:%s" % (value, filename or self._inifile, lineno, line))
section.add(keyname, v, comments, replace=replace_flag)
comments = []
else:
comments.append(line)