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Add support for flags2 in the TL

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This commit is contained in:
Lonami Exo 2022-05-12 10:20:42 +02:00
parent f9643bf737
commit 5feb210442
4 changed files with 44 additions and 46 deletions
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2
telethon_generator/generators/docs.py
View File

@ -164,7 +164,7 @@ def _get_description(arg):
if arg.can_be_inferred:
desc.append('If left unspecified, it will be inferred automatically.')
otherwise = True
elif arg.is_flag:
elif arg.flag:
desc.append('This argument defaults to '
'<code>None</code> and can be omitted.')
otherwise = True

57
telethon_generator/generators/tlobject.py
View File

@ -187,9 +187,9 @@ def _write_class_init(tlobject, kind, type_constructors, builder):
crc32(tlobject.result.encode('ascii')))
builder.writeln()
# Convert the args to string parameters, flags having =None
# Convert the args to string parameters, those with flag having =None
args = ['{}: {}{}'.format(
a.name, a.type_hint(), '=None' if a.is_flag or a.can_be_inferred else '')
a.name, a.type_hint(), '=None' if a.flag or a.can_be_inferred else '')
for a in tlobject.real_args
]
@ -266,7 +266,7 @@ def _write_resolve(tlobject, builder):
if not ac:
continue
if arg.is_flag:
if arg.flag:
builder.writeln('if self.{}:', arg.name)
if arg.is_vector:
@ -279,7 +279,7 @@ def _write_resolve(tlobject, builder):
builder.writeln('self.{} = {}', arg.name,
ac.format('self.' + arg.name))
if arg.is_flag:
if arg.flag:
builder.end_block()
builder.end_block()
@ -327,8 +327,8 @@ def _write_to_bytes(tlobject, builder):
# at the same time. In this case, add an assertion.
repeated_args = defaultdict(list)
for arg in tlobject.args:
if arg.is_flag:
repeated_args[arg.flag_index].append(arg)
if arg.flag:
repeated_args[(arg.flag, arg.flag_index)].append(arg)
for ra in repeated_args.values():
if len(ra) > 1:
@ -416,7 +416,7 @@ def _write_arg_to_bytes(builder, arg, tlobject, name=None):
# if it's not a True type.
# True types are not actually sent, but instead only used to
# determine the flags.
if arg.is_flag:
if arg.flag:
if arg.type == 'true':
return # Exit, since True type is never written
elif arg.is_vector:
@ -444,31 +444,31 @@ def _write_arg_to_bytes(builder, arg, tlobject, name=None):
builder.write("b''.join(")
# Temporary disable .is_vector, not to enter this if again
# Also disable .is_flag since it's not needed per element
old_flag = arg.is_flag
arg.is_vector = arg.is_flag = False
# Also disable .flag since it's not needed per element
old_flag, arg.flag = arg.flag, None
arg.is_vector = False
_write_arg_to_bytes(builder, arg, tlobject, name='x')
arg.is_vector = True
arg.is_flag = old_flag
arg.flag = old_flag
builder.write(' for x in {})', name)
elif arg.flag_indicator:
# Calculate the flags with those items which are not None
if not any(f.is_flag for f in tlobject.args):
if not any(f.flag for f in tlobject.args):
# There's a flag indicator, but no flag arguments so it's 0
builder.write(r"b'\0\0\0\0'")
else:
def fmt_flag(flag):
if flag.type == 'Bool':
def fmt_flag_arg(a):
if a.type == 'Bool':
fmt = '(0 if {0} is None else {1})'
else:
fmt = '(0 if {0} is None or {0} is False else {1})'
return fmt.format('self.{}'.format(flag.name), 1 << flag.flag_index)
return fmt.format('self.{}'.format(a.name), 1 << a.flag_index)
builder.write("struct.pack('<I', ")
builder.write(
' | '.join(fmt_flag(flag) for flag in tlobject.args if flag.is_flag)
' | '.join(fmt_flag_arg(a) for a in tlobject.args if a.flag == arg.name)
)
builder.write(')')
@ -520,7 +520,7 @@ def _write_arg_to_bytes(builder, arg, tlobject, name=None):
if not boxed:
builder.write('[4:]')
if arg.is_flag:
if arg.flag:
builder.write(')')
if arg.is_vector:
builder.write(')') # We were using a tuple
@ -545,20 +545,19 @@ def _write_arg_read_code(builder, arg, tlobject, name):
return # Do nothing, this only specifies a later type
# The argument may be a flag, only write that flag was given!
was_flag = False
if arg.is_flag:
old_flag = None
if arg.flag:
# Treat 'true' flags as a special case, since they're true if
# they're set, and nothing else needs to actually be read.
if 'true' == arg.type:
builder.writeln('{} = bool(flags & {})',
name, 1 << arg.flag_index)
builder.writeln('{} = bool({} & {})',
name, arg.flag, 1 << arg.flag_index)
return
was_flag = True
builder.writeln('if flags & {}:', 1 << arg.flag_index)
# Temporary disable .is_flag not to enter this if
builder.writeln('if {} & {}:', arg.flag, 1 << arg.flag_index)
# Temporary disable .flag not to enter this if
# again when calling the method recursively
arg.is_flag = False
old_flag, arg.flag = arg.flag, None
if arg.is_vector:
if arg.use_vector_id:
@ -575,7 +574,7 @@ def _write_arg_read_code(builder, arg, tlobject, name):
elif arg.flag_indicator:
# Read the flags, which will indicate what items we should read next
builder.writeln('flags = reader.read_int()')
builder.writeln('{} = reader.read_int()', arg.name)
builder.writeln()
elif 'int' == arg.type:
@ -643,13 +642,13 @@ def _write_arg_read_code(builder, arg, tlobject, name):
if arg.is_vector:
builder.end_block()
if was_flag:
if old_flag:
builder.current_indent -= 1
builder.writeln('else:')
builder.writeln('{} = None', name)
builder.current_indent -= 1
# Restore .is_flag
arg.is_flag = True
# Restore .flag
arg.flag = old_flag
def _write_all_tlobjects(tlobjects, layer, builder):

26
telethon_generator/parsers/tlobject/tlarg.py
View File

@ -100,9 +100,9 @@ class TLArg:
# Default values
self.is_vector = False
self.is_flag = False
self.flag = None # name of the flag to check if self is present
self.skip_constructor_id = False
self.flag_index = -1
self.flag_index = -1 # bit index of the flag to check if self is present
self.cls = None
# Special case: some types can be inferred, which makes it
@ -122,16 +122,14 @@ class TLArg:
# Strip the exclamation mark always to have only the name
self.type = arg_type.lstrip('!')
# The type may be a flag (flags.IDX?REAL_TYPE)
# Note that 'flags' is NOT the flags name; this
# is determined by a previous argument
# However, we assume that the argument will always be called 'flags'
flag_match = re.match(r'flags.(\d+)\?([\w<>.]+)', self.type)
# The type may be a flag (FLAGS.IDX?REAL_TYPE)
# FLAGS can be any name, but it should have appeared previously.
flag_match = re.match(r'(\w+).(\d+)\?([\w<>.]+)', self.type)
if flag_match:
self.is_flag = True
self.flag_index = int(flag_match.group(1))
self.flag = flag_match.group(1)
self.flag_index = int(flag_match.group(2))
# Update the type to match the exact type, not the "flagged" one
self.type = flag_match.group(2)
self.type = flag_match.group(3)
# Then check if the type is a Vector<REAL_TYPE>
vector_match = re.match(r'[Vv]ector<([\w\d.]+)>', self.type)
@ -180,7 +178,7 @@ class TLArg:
}.get(cls, "'Type{}'".format(cls))
if self.is_vector:
result = 'List[{}]'.format(result)
if self.is_flag and cls != 'date':
if self.flag and cls != 'date':
result = 'Optional[{}]'.format(result)
return result
@ -200,8 +198,8 @@ class TLArg:
if self.is_generic:
real_type = '!{}'.format(real_type)
if self.is_flag:
real_type = 'flags.{}?{}'.format(self.flag_index, real_type)
if self.flag:
real_type = '{}.{}?{}'.format(self.flag, self.flag_index, real_type)
return real_type
@ -244,5 +242,5 @@ class TLArg:
self.cls[0].as_example(f, indent)
def omit_example(self):
return (self.is_flag or self.can_be_inferred) \
return (self.flag or self.can_be_inferred) \
and self.name in OMITTED_EXAMPLES

5
telethon_generator/parsers/tlobject/tlobject.py
View File

@ -72,7 +72,7 @@ class TLObject:
can be inferred will go last so they can default =None)
"""
return sorted(self.args,
key=lambda x: x.is_flag or x.can_be_inferred)
key=lambda x: bool(x.flag) or x.can_be_inferred)
def __repr__(self, ignore_id=False):
if self.id is None or ignore_id:
@ -95,8 +95,9 @@ class TLObject:
.replace('<', ' ').replace('>', '')\
.replace('{', '').replace('}', '')
# Remove optional empty values (special-cased to the true type)
representation = re.sub(
r' \w+:flags\.\d+\?true',
r' \w+:\w+\.\d+\?true',
r'',
representation
)