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-rw-r--r--youtube_dl/utils.py64
1 files changed, 57 insertions, 7 deletions
diff --git a/youtube_dl/utils.py b/youtube_dl/utils.py
index 52cfb8a6d..201802cee 100644
--- a/youtube_dl/utils.py
+++ b/youtube_dl/utils.py
@@ -1,19 +1,20 @@
#!/usr/bin/env python
# -*- coding: utf-8 -*-
+import datetime
+import email.utils
import errno
import gzip
import io
import json
import locale
import os
+import platform
import re
+import socket
import sys
import traceback
import zlib
-import email.utils
-import socket
-import datetime
try:
import urllib.request as compat_urllib_request
@@ -61,6 +62,11 @@ except ImportError: # Python 2
import httplib as compat_http_client
try:
+ from urllib.error import HTTPError as compat_HTTPError
+except ImportError: # Python 2
+ from urllib2 import HTTPError as compat_HTTPError
+
+try:
from subprocess import DEVNULL
compat_subprocess_get_DEVNULL = lambda: DEVNULL
except ImportError:
@@ -207,7 +213,7 @@ if sys.version_info >= (2,7):
def find_xpath_attr(node, xpath, key, val):
""" Find the xpath xpath[@key=val] """
assert re.match(r'^[a-zA-Z]+$', key)
- assert re.match(r'^[a-zA-Z@\s]*$', val)
+ assert re.match(r'^[a-zA-Z0-9@\s]*$', val)
expr = xpath + u"[@%s='%s']" % (key, val)
return node.find(expr)
else:
@@ -489,7 +495,7 @@ def make_HTTPS_handler(opts):
class ExtractorError(Exception):
"""Error during info extraction."""
- def __init__(self, msg, tb=None, expected=False):
+ def __init__(self, msg, tb=None, expected=False, cause=None):
""" tb, if given, is the original traceback (so that it can be printed out).
If expected is set, this is a normal error message and most likely not a bug in youtube-dl.
"""
@@ -502,6 +508,7 @@ class ExtractorError(Exception):
self.traceback = tb
self.exc_info = sys.exc_info() # preserve original exception
+ self.cause = cause
def format_traceback(self):
if self.traceback is None:
@@ -622,8 +629,23 @@ class YoutubeDLHandler(compat_urllib_request.HTTPHandler):
old_resp = resp
# gzip
if resp.headers.get('Content-encoding', '') == 'gzip':
- gz = gzip.GzipFile(fileobj=io.BytesIO(resp.read()), mode='r')
- resp = self.addinfourl_wrapper(gz, old_resp.headers, old_resp.url, old_resp.code)
+ content = resp.read()
+ gz = gzip.GzipFile(fileobj=io.BytesIO(content), mode='rb')
+ try:
+ uncompressed = io.BytesIO(gz.read())
+ except IOError as original_ioerror:
+ # There may be junk add the end of the file
+ # See http://stackoverflow.com/q/4928560/35070 for details
+ for i in range(1, 1024):
+ try:
+ gz = gzip.GzipFile(fileobj=io.BytesIO(content[:-i]), mode='rb')
+ uncompressed = io.BytesIO(gz.read())
+ except IOError:
+ continue
+ break
+ else:
+ raise original_ioerror
+ resp = self.addinfourl_wrapper(uncompressed, old_resp.headers, old_resp.url, old_resp.code)
resp.msg = old_resp.msg
# deflate
if resp.headers.get('Content-encoding', '') == 'deflate':
@@ -711,3 +733,31 @@ class DateRange(object):
return self.start <= date <= self.end
def __str__(self):
return '%s - %s' % ( self.start.isoformat(), self.end.isoformat())
+
+
+def platform_name():
+ """ Returns the platform name as a compat_str """
+ res = platform.platform()
+ if isinstance(res, bytes):
+ res = res.decode(preferredencoding())
+
+ assert isinstance(res, compat_str)
+ return res
+
+
+def bytes_to_intlist(bs):
+ if not bs:
+ return []
+ if isinstance(bs[0], int): # Python 3
+ return list(bs)
+ else:
+ return [ord(c) for c in bs]
+
+
+def intlist_to_bytes(xs):
+ if not xs:
+ return b''
+ if isinstance(chr(0), bytes): # Python 2
+ return ''.join([chr(x) for x in xs])
+ else:
+ return bytes(xs)