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