# -*- coding: utf-8 -*-
from __future__ import with_statement
import locale
import sys
# compat code from IPython py3compat.py and encoding.py, which is licensed under the terms of the
# Modified BSD License (also known as New or Revised or 3-Clause BSD)
_DEFAULT_ENCODING = None
try:
# There are reports of getpreferredencoding raising errors
# in some cases, which may well be fixed, but let's be conservative here.
_DEFAULT_ENCODING = locale.getpreferredencoding()
except Exception:
pass
_DEFAULT_ENCODING = _DEFAULT_ENCODING or sys.getdefaultencoding()
def _decode(s, encoding=None):
encoding = encoding or _DEFAULT_ENCODING
return s.decode(encoding)
def _encode(u, encoding=None):
encoding = encoding or _DEFAULT_ENCODING
return u.encode(encoding)
def cast_unicode(s, encoding=None):
if isinstance(s, bytes):
return _decode(s, encoding)
return s
def cast_bytes(s, encoding=None):
# bytes == str on py2.7 -> always encode on py2
if not isinstance(s, bytes):
return _encode(s, encoding)
return s
if sys.version_info[0] >= 3:
PY3 = True
string_types = (str,)
unicode_type = str
# from http://stackoverflow.com/questions/11687478/convert-a-filename-to-a-file-url
from urllib.parse import urljoin, urlparse
from urllib.request import pathname2url, url2pathname
def path2url(path): # noqa: E303
return urljoin('file:', pathname2url(path))
def url2path(url): # noqa: E303
return url2pathname(urlparse(url).path)
else:
PY3 = False
string_types = (str, unicode) # noqa: F821
unicode_type = unicode # noqa: F821
from urlparse import urljoin, urlparse
import urllib
def path2url(path): # noqa: E303
return urljoin('file:', urllib.pathname2url(path))
def url2path(url): # noqa: E303
return urllib.url2pathname(urlparse(url).path)