diff options
| -rw-r--r-- | youtube_dl/extractor/youtube.py | 104 |
1 files changed, 53 insertions, 51 deletions
diff --git a/youtube_dl/extractor/youtube.py b/youtube_dl/extractor/youtube.py index 8245349b2..a9bfc455f 100644 --- a/youtube_dl/extractor/youtube.py +++ b/youtube_dl/extractor/youtube.py @@ -2,16 +2,16 @@ import collections import errno -import itertools import io +import itertools import json -import operator import os.path import re import socket import string import struct import traceback +import xml.etree.ElementTree import zlib from .common import InfoExtractor, SearchInfoExtractor @@ -475,7 +475,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor): if ose.errno != errno.EEXIST: raise write_json_file(cache_spec, cache_fn) - except Exception as e: + except Exception: tb = traceback.format_exc() self._downloader.report_warning( u'Writing cache to %r failed: %s' % (cache_fn, tb)) @@ -491,6 +491,8 @@ class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor): return u's[%s%s%s]' % (starts, ends, steps) step = None + start = '(Never used)' # Quelch pyflakes warnings - start will be + # set as soon as step is set for i, prev in zip(idxs[1:], idxs[:-1]): if step is not None: if i - prev == step: @@ -527,7 +529,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor): def interpret_statement(stmt, local_vars, allow_recursion=20): if allow_recursion < 0: - raise ExctractorError(u'Recursion limit reached') + raise ExtractorError(u'Recursion limit reached') if stmt.startswith(u'var '): stmt = stmt[len(u'var '):] @@ -685,7 +687,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor): v = - ((v ^ 0xffffffff) + 1) return v - def string(reader=None): + def read_string(reader=None): if reader is None: reader = code_reader slen = u30(reader) @@ -706,31 +708,31 @@ class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor): return res # minor_version + major_version - _ = read_bytes(2 + 2) + read_bytes(2 + 2) # Constant pool int_count = u30() for _c in range(1, int_count): - _ = s32() + s32() uint_count = u30() for _c in range(1, uint_count): - _ = u32() + u32() double_count = u30() - _ = read_bytes((double_count-1) * 8) + read_bytes((double_count-1) * 8) string_count = u30() constant_strings = [u''] for _c in range(1, string_count): - s = string() + s = read_string() constant_strings.append(s) namespace_count = u30() for _c in range(1, namespace_count): - _ = read_bytes(1) # kind - _ = u30() # name + read_bytes(1) # kind + u30() # name ns_set_count = u30() for _c in range(1, ns_set_count): count = u30() for _c2 in range(count): - _ = u30() + u30() multiname_count = u30() MULTINAME_SIZES = { 0x07: 2, # QName @@ -749,13 +751,13 @@ class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor): kind = u30() assert kind in MULTINAME_SIZES, u'Invalid multiname kind %r' % kind if kind == 0x07: - namespace_idx = u30() + u30() # namespace_idx name_idx = u30() multinames.append(constant_strings[name_idx]) else: multinames.append('[MULTINAME kind: %d]' % kind) for _c2 in range(MULTINAME_SIZES[kind]): - _ = u30() + u30() # Methods method_count = u30() @@ -765,32 +767,32 @@ class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor): method_infos = [] for method_id in range(method_count): param_count = u30() - _ = u30() # return type + u30() # return type for _ in range(param_count): - _ = u30() # param type - _ = u30() # name index (always 0 for youtube) + u30() # param type + u30() # name index (always 0 for youtube) flags = read_byte() if flags & 0x08 != 0: # Options present option_count = u30() for c in range(option_count): - _ = u30() # val - _ = read_bytes(1) # kind + u30() # val + read_bytes(1) # kind if flags & 0x80 != 0: # Param names present for _ in range(param_count): - _ = u30() # param name + u30() # param name mi = MethodInfo(flags & 0x01 != 0, flags & 0x04 != 0) method_infos.append(mi) # Metadata metadata_count = u30() for _c in range(metadata_count): - _ = u30() # name + u30() # name item_count = u30() for _c2 in range(item_count): - _ = u30() # key - _ = u30() # value + u30() # key + u30() # value def parse_traits_info(): trait_name_idx = u30() @@ -799,20 +801,20 @@ class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor): attrs = kind_full >> 4 methods = {} if kind in [0x00, 0x06]: # Slot or Const - _ = u30() # Slot id - type_name_idx = u30() + u30() # Slot id + u30() # type_name_idx vindex = u30() if vindex != 0: - _ = read_byte() # vkind + read_byte() # vkind elif kind in [0x01, 0x02, 0x03]: # Method / Getter / Setter - _ = u30() # disp_id + u30() # disp_id method_idx = u30() methods[multinames[trait_name_idx]] = method_idx elif kind == 0x04: # Class - _ = u30() # slot_id - _ = u30() # classi + u30() # slot_id + u30() # classi elif kind == 0x05: # Function - _ = u30() # slot_id + u30() # slot_id function_idx = u30() methods[function_idx] = multinames[trait_name_idx] else: @@ -821,7 +823,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor): if attrs & 0x4 != 0: # Metadata present metadata_count = u30() for _c3 in range(metadata_count): - _ = u30() + u30() # metadata index return methods @@ -835,17 +837,17 @@ class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor): if name_idx == searched_idx: # We found the class we're looking for! searched_class_id = class_id - _ = u30() # super_name idx + u30() # super_name idx flags = read_byte() if flags & 0x08 != 0: # Protected namespace is present - protected_ns_idx = u30() + u30() # protected_ns_idx intrf_count = u30() for _c2 in range(intrf_count): - _ = u30() - _ = u30() # iinit + u30() + u30() # iinit trait_count = u30() for _c2 in range(trait_count): - _ = parse_traits_info() + parse_traits_info() if searched_class_id is None: raise ExtractorError(u'Target class %r not found' % @@ -854,7 +856,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor): method_names = {} method_idxs = {} for class_id in range(class_count): - _ = u30() # cinit + u30() # cinit trait_count = u30() for _c2 in range(trait_count): trait_methods = parse_traits_info() @@ -867,10 +869,10 @@ class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor): # Scripts script_count = u30() for _c in range(script_count): - _ = u30() # init + u30() # init trait_count = u30() for _c2 in range(trait_count): - _ = parse_traits_info() + parse_traits_info() # Method bodies method_body_count = u30() @@ -878,10 +880,10 @@ class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor): methods = {} for _c in range(method_body_count): method_idx = u30() - max_stack = u30() + u30() # max_stack local_count = u30() - init_scope_depth = u30() - max_scope_depth = u30() + u30() # init_scope_depth + u30() # max_scope_depth code_length = u30() code = read_bytes(code_length) if method_idx in method_idxs: @@ -889,14 +891,14 @@ class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor): methods[method_idxs[method_idx]] = m exception_count = u30() for _c2 in range(exception_count): - _ = u30() # from - _ = u30() # to - _ = u30() # target - _ = u30() # exc_type - _ = u30() # var_name + u30() # from + u30() # to + u30() # target + u30() # exc_type + u30() # var_name trait_count = u30() for _c2 in range(trait_count): - _ = parse_traits_info() + parse_traits_info() assert p + code_reader.tell() == len(code_tag) assert len(methods) == len(method_idxs) @@ -1011,7 +1013,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor): assert isinstance(obj, list) stack.append(obj[idx]) elif opcode == 128: # coerce - _ = u30(coder) + u30(coder) elif opcode == 133: # coerce_s assert isinstance(stack[-1], (type(None), compat_str)) elif opcode == 164: # modulo @@ -1055,7 +1057,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor): if self._downloader.params.get('youtube_print_sig_code'): self._print_sig_code(func, len(s)) return func(s) - except Exception as e: + except Exception: tb = traceback.format_exc() self._downloader.report_warning( u'Automatic signature extraction failed: ' + tb) |