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Fix generated __bytes__ failing with flag indicator but no flags

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Likely since the code was ported to get rid of the BinaryWriter,
since the flag calculation was inlined. Some types (only
channelMessages as of layer 71) had a flag indicator but no flag
arguments, so the calculation of which were not None failed.

This special case is now handled correctly.
This commit is contained in:
Lonami Exo 2017-10-26 11:54:40 +02:00
parent af08d59cb7
commit 2f28050cac
1 changed files with 9 additions and 5 deletions
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14
telethon_generator/tl_generator.py
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@ -491,11 +491,15 @@ class TLGenerator:
elif arg.flag_indicator:
# Calculate the flags with those items which are not None
builder.write("struct.pack('<I', {})".format(
' | '.join('({} if {} else 0)'.format(
1 << flag.flag_index, 'self.{}'.format(flag.name)
) for flag in args if flag.is_flag)
))
if not any(f.is_flag for f in args):
# There's a flag indicator, but no flag arguments so it's 0
builder.write(r"b'\0\0\0\0'")
else:
builder.write("struct.pack('<I', {})".format(
' | '.join('({} if {} else 0)'.format(
1 << flag.flag_index, 'self.{}'.format(flag.name)
) for flag in args if flag.is_flag)
))
elif 'int' == arg.type:
# struct.pack is around 4 times faster than int.to_bytes