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 http.cookies as compat_cookies
+except ImportError: # Python 2
+ import Cookie as compat_cookies
+
try:
import html.entities as compat_html_entities
except ImportError: # Python 2
except ImportError: # Python 2
from urllib import urlretrieve as compat_urlretrieve
+try:
+ from html.parser import HTMLParser as compat_HTMLParser
+except ImportError: # Python 2
+ from HTMLParser import HTMLParser as compat_HTMLParser
+
try:
from subprocess import DEVNULL
except ImportError:
import BaseHTTPServer as compat_http_server
-from pprint import (pprint, pformat)
-
-
-def dprint(fmt):
- sys.stderr.write(pformat(fmt) + "\n")
+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:
+ 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
# Is it a string-like object?
string.split
return b''
- if isinstance(string, str):
+ if isinstance(string, compat_str):
string = string.encode('utf-8')
- # string = encode('utf-8')
-
- # python3 -> 2: must implicitly convert to bits
- bits = bytes(string).split(b'%')
-
+ bits = string.split(b'%')
if len(bits) == 1:
return string
res = [bits[0]]
append = res.append
-
for item in bits[1:]:
try:
- append(item[:2].decode('hex'))
+ append(compat_urllib_parse._hextochr[item[:2]])
append(item[2:])
- except:
+ except KeyError:
append(b'%')
append(item)
return b''.join(res)
- compat_urllib_parse_asciire = re.compile('([\x00-\x7f]+)')
-
- def new_compat_urllib_parse_unquote(string, encoding='utf-8', errors='replace'):
+ 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()
unquote('abc%20def') -> 'abc def'.
"""
-
if '%' not in string:
string.split
return string
encoding = 'utf-8'
if errors is None:
errors = 'replace'
-
- bits = compat_urllib_parse_asciire.split(string)
+ bits = _asciire.split(string)
res = [bits[0]]
append = res.append
for i in range(1, len(bits), 2):
- foo = compat_urllib_parse_unquote_to_bytes(bits[i])
- foo = foo.decode(encoding, errors)
- append(foo)
-
- if bits[i + 1]:
- bar = bits[i + 1]
- if not isinstance(bar, unicode):
- bar = bar.decode('utf-8')
- append(bar)
+ append(compat_urllib_parse_unquote_to_bytes(bits[i]).decode(encoding, errors))
+ append(bits[i + 1])
return ''.join(res)
- def old_compat_urllib_parse_unquote(string, encoding='utf-8', errors='replace'):
- if string == '':
- return string
- res = string.split('%')
- if len(res) == 1:
- 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
- if not re.match('[0-9a-fA-F][0-9a-fA-F]',item[:2]):
- 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
-
- compat_urllib_parse_unquote = new_compat_urllib_parse_unquote
+ 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:
- compat_str = unicode # Python 2
-except NameError:
- compat_str = str
+ 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 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
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('')
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
return ord(c)
+compat_os_name = os._name if os.name == 'java' else os.name
+
+
if sys.version_info >= (3, 0):
compat_getenv = os.getenv
compat_expanduser = os.path.expanduser
# The following are os.path.expanduser implementations from cpython 2.7.8 stdlib
# for different platforms with correct environment variables decoding.
- if os.name == 'posix':
+ if compat_os_name == 'posix':
def compat_expanduser(path):
"""Expand ~ and ~user constructions. If user or $HOME is unknown,
do nothing."""
userhome = pwent.pw_dir
userhome = userhome.rstrip('/')
return (userhome + path[i:]) or '/'
- elif os.name == 'nt' or os.name == 'ce':
+ elif compat_os_name == 'nt' or compat_os_name == 'ce':
def compat_expanduser(path):
"""Expand ~ and ~user constructs.
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
else:
_terminal_size = collections.namedtuple('terminal_size', ['columns', 'lines'])
- def compat_get_terminal_size():
- columns = compat_getenv('COLUMNS', None)
+ def compat_get_terminal_size(fallback=(80, 24)):
+ columns = compat_getenv('COLUMNS')
if columns:
columns = int(columns)
else:
columns = None
- lines = compat_getenv('LINES', None)
+ lines = compat_getenv('LINES')
if lines:
lines = int(lines)
else:
lines = None
- try:
- sp = subprocess.Popen(
- ['stty', 'size'],
- stdout=subprocess.PIPE, stderr=subprocess.PIPE)
- out, err = sp.communicate()
- lines, columns = map(int, out.split())
- except Exception:
- pass
+ 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:
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_HTMLParser',
'compat_HTTPError',
'compat_basestring',
'compat_chr',
'compat_cookiejar',
+ 'compat_cookies',
+ 'compat_etree_fromstring',
'compat_expanduser',
'compat_get_terminal_size',
'compat_getenv',
'compat_itertools_count',
'compat_kwargs',
'compat_ord',
+ 'compat_os_name',
'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