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Fix TextIO compatibility with Python 3.6+ in LexerFile #3067

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Merged
merged 2 commits into from
Feb 3, 2021
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Fix TextIO compatibility with Python 3.6+ in LexerFile #3067

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df4d804
Fix TextIO compatibility with Python 3.6+ in LexerFile
tsotnikov Feb 2, 2021
98cfc0f
Sign contributors.txt
tsotnikov Feb 2, 2021
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1 change: 1 addition & 0 deletions contributors.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -285,3 +285,4 @@ YYYY/MM/DD, github id, Full name, email
2020/12/01, maxence-lefebvre, Maxence Lefebvre, [email protected]
2020/12/03, electrum, David Phillips, [email protected]
2021/01/25, l215884529, Qiheng Liu, [email protected]
2021/02/02, tsotnikov, Taras Sotnikov, [email protected]
5 changes: 4 additions & 1 deletion tool/resources/org/antlr/v4/tool/templates/codegen/Python3/Python3.stg
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Expand Up @@ -756,8 +756,11 @@ LexerFile(lexerFile, lexer, namedActions) ::= <<
<fileHeader(lexerFile.grammarFileName, lexerFile.ANTLRVersion)>
from antlr4 import *
from io import StringIO
from typing.io import TextIO
import sys
if sys.version_info[1] > 5:
from typing import TextIO
else:
from typing.io import TextIO

<namedActions.header>

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