mirror of
https://github.com/yt-dlp/yt-dlp.git
synced 2024-11-27 18:41:29 +00:00
[youtube] Improve source code quality
This commit is contained in:
Philipp Hagemeister
parent
4ba146f35d
commit
0ca96d48c7
|
|
@ -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 @@ def _extract_signature_function(self, video_id, player_url, slen):
|
|||
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 @@ def _genslice(start, end, step):
|
|||
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 @@ def argidx(varname):
|
|||
|
||||
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 @@ def s32(reader=None):
|
|||
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 @@ def read_byte(reader=None):
|
|||
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 @@ def read_byte(reader=None):
|
|||
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 @@ def read_byte(reader=None):
|
|||
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 @@ def parse_traits_info():
|
|||
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 @@ def parse_traits_info():
|
|||
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 @@ def parse_traits_info():
|
|||
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 @@ def parse_traits_info():
|
|||
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 @@ def parse_traits_info():
|
|||
# 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 @@ def parse_traits_info():
|
|||
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 @@ def parse_traits_info():
|
|||
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 @@ def resfunc(args):
|
|||
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 @@ def _decrypt_signature(self, s, video_id, player_url, age_gate=False):
|
|||
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)
|
||||
|
|
|
|||
Loading…
Reference in a new issue