from __future__ import unicode_literals
+import binascii
+import collections
+import email
import getpass
+import io
import optparse
import os
import re
+import shlex
+import shutil
import socket
import subprocess
import sys
+import itertools
+import xml.etree.ElementTree
try:
except ImportError: # Python 2
import urlparse as compat_urlparse
+try:
+ import urllib.response as compat_urllib_response
+except ImportError: # Python 2
+ import urllib as compat_urllib_response
+
try:
import http.cookiejar as compat_cookiejar
except ImportError: # Python 2
import cookielib as compat_cookiejar
try:
- import html.entities as compat_html_entities
+ import http.cookies as compat_cookies
except ImportError: # Python 2
- import htmlentitydefs as compat_html_entities
+ import Cookie as compat_cookies
try:
- import html.parser as compat_html_parser
+ import html.entities as compat_html_entities
except ImportError: # Python 2
- import HTMLParser as compat_html_parser
+ import htmlentitydefs as compat_html_entities
try:
import http.client as compat_http_client
import BaseHTTPServer as compat_http_server
try:
+ compat_str = unicode # Python 2
+except NameError:
+ compat_str = str
+
+try:
+ from urllib.parse import unquote_to_bytes as compat_urllib_parse_unquote_to_bytes
from urllib.parse import unquote as compat_urllib_parse_unquote
-except ImportError:
- def compat_urllib_parse_unquote(string, encoding='utf-8', errors='replace'):
- if string == '':
+ from urllib.parse import unquote_plus as compat_urllib_parse_unquote_plus
+except ImportError: # Python 2
+ _asciire = (compat_urllib_parse._asciire if hasattr(compat_urllib_parse, '_asciire')
+ else re.compile('([\x00-\x7f]+)'))
+
+ # HACK: The following are the correct unquote_to_bytes, unquote and unquote_plus
+ # implementations from cpython 3.4.3's stdlib. Python 2's version
+ # is apparently broken (see https://github.com/rg3/youtube-dl/pull/6244)
+
+ def compat_urllib_parse_unquote_to_bytes(string):
+ """unquote_to_bytes('abc%20def') -> b'abc def'."""
+ # Note: strings are encoded as UTF-8. This is only an issue if it contains
+ # unescaped non-ASCII characters, which URIs should not.
+ if not string:
+ # Is it a string-like object?
+ string.split
+ return b''
+ if isinstance(string, compat_str):
+ string = string.encode('utf-8')
+ bits = string.split(b'%')
+ if len(bits) == 1:
return string
- res = string.split('%')
- if len(res) == 1:
+ res = [bits[0]]
+ append = res.append
+ for item in bits[1:]:
+ try:
+ append(compat_urllib_parse._hextochr[item[:2]])
+ append(item[2:])
+ except KeyError:
+ append(b'%')
+ append(item)
+ return b''.join(res)
+
+ def compat_urllib_parse_unquote(string, encoding='utf-8', errors='replace'):
+ """Replace %xx escapes by their single-character equivalent. The optional
+ encoding and errors parameters specify how to decode percent-encoded
+ sequences into Unicode characters, as accepted by the bytes.decode()
+ method.
+ By default, percent-encoded sequences are decoded with UTF-8, and invalid
+ sequences are replaced by a placeholder character.
+
+ unquote('abc%20def') -> 'abc def'.
+ """
+ if '%' not in string:
+ string.split
return string
if encoding is None:
encoding = 'utf-8'
if errors is None:
errors = 'replace'
- # pct_sequence: contiguous sequence of percent-encoded bytes, decoded
- pct_sequence = b''
- string = res[0]
- for item in res[1:]:
- try:
- if not item:
- raise ValueError
- pct_sequence += item[:2].decode('hex')
- rest = item[2:]
- if not rest:
- # This segment was just a single percent-encoded character.
- # May be part of a sequence of code units, so delay decoding.
- # (Stored in pct_sequence).
- continue
- except ValueError:
- rest = '%' + item
- # Encountered non-percent-encoded characters. Flush the current
- # pct_sequence.
- string += pct_sequence.decode(encoding, errors) + rest
- pct_sequence = b''
- if pct_sequence:
- # Flush the final pct_sequence
- string += pct_sequence.decode(encoding, errors)
- return string
+ bits = _asciire.split(string)
+ res = [bits[0]]
+ append = res.append
+ for i in range(1, len(bits), 2):
+ append(compat_urllib_parse_unquote_to_bytes(bits[i]).decode(encoding, errors))
+ append(bits[i + 1])
+ return ''.join(res)
+
+ def compat_urllib_parse_unquote_plus(string, encoding='utf-8', errors='replace'):
+ """Like unquote(), but also replace plus signs by spaces, as required for
+ unquoting HTML form values.
+
+ unquote_plus('%7e/abc+def') -> '~/abc def'
+ """
+ string = string.replace('+', ' ')
+ return compat_urllib_parse_unquote(string, encoding, errors)
+try:
+ from urllib.request import DataHandler as compat_urllib_request_DataHandler
+except ImportError: # Python < 3.4
+ # Ported from CPython 98774:1733b3bd46db, Lib/urllib/request.py
+ class compat_urllib_request_DataHandler(compat_urllib_request.BaseHandler):
+ def data_open(self, req):
+ # data URLs as specified in RFC 2397.
+ #
+ # ignores POSTed data
+ #
+ # syntax:
+ # dataurl := "data:" [ mediatype ] [ ";base64" ] "," data
+ # mediatype := [ type "/" subtype ] *( ";" parameter )
+ # data := *urlchar
+ # parameter := attribute "=" value
+ url = req.get_full_url()
+
+ scheme, data = url.split(':', 1)
+ mediatype, data = data.split(',', 1)
+
+ # even base64 encoded data URLs might be quoted so unquote in any case:
+ data = compat_urllib_parse_unquote_to_bytes(data)
+ if mediatype.endswith(';base64'):
+ data = binascii.a2b_base64(data)
+ mediatype = mediatype[:-7]
+
+ if not mediatype:
+ mediatype = 'text/plain;charset=US-ASCII'
+
+ headers = email.message_from_string(
+ 'Content-type: %s\nContent-length: %d\n' % (mediatype, len(data)))
+
+ return compat_urllib_response.addinfourl(io.BytesIO(data), headers, url)
+
+try:
+ compat_basestring = basestring # Python 2
+except NameError:
+ compat_basestring = str
+
+try:
+ compat_chr = unichr # Python 2
+except NameError:
+ compat_chr = chr
+
+try:
+ from xml.etree.ElementTree import ParseError as compat_xml_parse_error
+except ImportError: # Python 2.6
+ from xml.parsers.expat import ExpatError as compat_xml_parse_error
+
+if sys.version_info[0] >= 3:
+ compat_etree_fromstring = xml.etree.ElementTree.fromstring
+else:
+ # python 2.x tries to encode unicode strings with ascii (see the
+ # XMLParser._fixtext method)
+ etree = xml.etree.ElementTree
+
+ try:
+ _etree_iter = etree.Element.iter
+ except AttributeError: # Python <=2.6
+ def _etree_iter(root):
+ for el in root.findall('*'):
+ yield el
+ for sub in _etree_iter(el):
+ yield sub
+
+ # on 2.6 XML doesn't have a parser argument, function copied from CPython
+ # 2.7 source
+ def _XML(text, parser=None):
+ if not parser:
+ parser = etree.XMLParser(target=etree.TreeBuilder())
+ parser.feed(text)
+ return parser.close()
+
+ def _element_factory(*args, **kwargs):
+ el = etree.Element(*args, **kwargs)
+ for k, v in el.items():
+ if isinstance(v, bytes):
+ el.set(k, v.decode('utf-8'))
+ return el
+
+ def compat_etree_fromstring(text):
+ doc = _XML(text, parser=etree.XMLParser(target=etree.TreeBuilder(element_factory=_element_factory)))
+ for el in _etree_iter(doc):
+ if el.text is not None and isinstance(el.text, bytes):
+ el.text = el.text.decode('utf-8')
+ return doc
try:
from urllib.parse import parse_qs as compat_parse_qs
def _parse_qsl(qs, keep_blank_values=False, strict_parsing=False,
encoding='utf-8', errors='replace'):
- qs, _coerce_result = qs, unicode
+ qs, _coerce_result = qs, compat_str
pairs = [s2 for s1 in qs.split('&') for s2 in s1.split(';')]
r = []
for name_value in pairs:
nv = name_value.split('=', 1)
if len(nv) != 2:
if strict_parsing:
- raise ValueError("bad query field: %r" % (name_value,))
+ raise ValueError('bad query field: %r' % (name_value,))
# Handle case of a control-name with no equal sign
if keep_blank_values:
nv.append('')
parsed_result[name] = [value]
return parsed_result
-try:
- compat_str = unicode # Python 2
-except NameError:
- compat_str = str
-
-try:
- compat_chr = unichr # Python 2
-except NameError:
- compat_chr = chr
-
-try:
- from xml.etree.ElementTree import ParseError as compat_xml_parse_error
-except ImportError: # Python 2.6
- from xml.parsers.expat import ExpatError as compat_xml_parse_error
-
try:
from shlex import quote as shlex_quote
except ImportError: # Python < 3.3
return "'" + s.replace("'", "'\"'\"'") + "'"
+if sys.version_info >= (2, 7, 3):
+ compat_shlex_split = shlex.split
+else:
+ # Working around shlex issue with unicode strings on some python 2
+ # versions (see http://bugs.python.org/issue1548891)
+ def compat_shlex_split(s, comments=False, posix=True):
+ if isinstance(s, compat_str):
+ s = s.encode('utf-8')
+ return shlex.split(s, comments, posix)
+
+
def compat_ord(c):
if type(c) is int:
return c
else:
compat_getpass = getpass.getpass
-# Old 2.6 and 2.7 releases require kwargs to be bytes
+# Python < 2.6.5 require kwargs to be bytes
try:
def _testfunc(x):
pass
if err is not None:
raise err
else:
- raise socket.error("getaddrinfo returns an empty list")
+ raise socket.error('getaddrinfo returns an empty list')
else:
compat_socket_create_connection = socket.create_connection
return real_add_option(self, *bargs, **bkwargs)
optparse.OptionGroup.add_option = _compat_add_option
+if hasattr(shutil, 'get_terminal_size'): # Python >= 3.3
+ compat_get_terminal_size = shutil.get_terminal_size
+else:
+ _terminal_size = collections.namedtuple('terminal_size', ['columns', 'lines'])
+
+ def compat_get_terminal_size(fallback=(80, 24)):
+ columns = compat_getenv('COLUMNS')
+ if columns:
+ columns = int(columns)
+ else:
+ columns = None
+ lines = compat_getenv('LINES')
+ if lines:
+ lines = int(lines)
+ else:
+ lines = None
+
+ if columns is None or lines is None or columns <= 0 or lines <= 0:
+ try:
+ sp = subprocess.Popen(
+ ['stty', 'size'],
+ stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+ out, err = sp.communicate()
+ _lines, _columns = map(int, out.split())
+ except Exception:
+ _columns, _lines = _terminal_size(*fallback)
+
+ if columns is None or columns <= 0:
+ columns = _columns
+ if lines is None or lines <= 0:
+ lines = _lines
+ return _terminal_size(columns, lines)
+
+try:
+ itertools.count(start=0, step=1)
+ compat_itertools_count = itertools.count
+except TypeError: # Python 2.6
+ def compat_itertools_count(start=0, step=1):
+ n = start
+ while True:
+ yield n
+ n += step
+
+if sys.version_info >= (3, 0):
+ from tokenize import tokenize as compat_tokenize_tokenize
+else:
+ from tokenize import generate_tokens as compat_tokenize_tokenize
__all__ = [
'compat_HTTPError',
+ 'compat_basestring',
'compat_chr',
'compat_cookiejar',
+ 'compat_cookies',
+ 'compat_etree_fromstring',
'compat_expanduser',
+ 'compat_get_terminal_size',
'compat_getenv',
'compat_getpass',
'compat_html_entities',
- 'compat_html_parser',
'compat_http_client',
'compat_http_server',
+ 'compat_itertools_count',
'compat_kwargs',
'compat_ord',
'compat_parse_qs',
'compat_print',
+ 'compat_shlex_split',
'compat_socket_create_connection',
'compat_str',
'compat_subprocess_get_DEVNULL',
+ 'compat_tokenize_tokenize',
'compat_urllib_error',
'compat_urllib_parse',
'compat_urllib_parse_unquote',
+ 'compat_urllib_parse_unquote_plus',
+ 'compat_urllib_parse_unquote_to_bytes',
'compat_urllib_parse_urlparse',
'compat_urllib_request',
+ 'compat_urllib_request_DataHandler',
+ 'compat_urllib_response',
'compat_urlparse',
'compat_urlretrieve',
'compat_xml_parse_error',
projects / youtube-dl / blobdiff