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Assert flag params with same flag index are all set/unset

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Lonami Exo 2017-09-30 19:47:19 +02:00
parent a5ab49c707
commit ce48c9752e
1 changed files with 20 additions and 0 deletions
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20
telethon_generator/tl_generator.py
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@ -301,6 +301,26 @@ class TLGenerator:
# Write the .to_bytes() function
builder.writeln('def to_bytes(self):')
# Some objects require more than one flag parameter to be set
# 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)
for args in repeated_args.values():
if len(args) > 1:
cnd1 = ('self.{} is None'.format(a.name) for a in args)
cnd2 = ('self.{} is not None'.format(a.name) for a in args)
builder.writeln(
"assert ({}) or ({}), '{} parameters must all "
"be None or neither be None'".format(
' and '.join(cnd1), ' and '.join(cnd2),
', '.join(a.name for a in args)
)
)
builder.writeln("return b''.join((")
builder.current_indent += 1