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bpo-45866: pegen strips directory of "generated from" header (GH-29777) (GH-29792) (GH-29797)

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"make regen-all" now produces the same output when run from a
directory other than the source tree: when building Python out of the
source tree.

(cherry picked from commit 253b7a0a9f)
(cherry picked from commit b6defde2af)
This commit is contained in:
Victor Stinner 2021-11-26 17:23:41 +01:00 • committed by GitHub
parent 92631a4144
commit 93a540d74c
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GPG key ID: 4AEE18F83AFDEB23
5 changed files with 12 additions and 4 deletions
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4
Tools/peg_generator/pegen/python_generator.py
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@ -1,3 +1,4 @@
import os.path
import token
from typing import Any, Dict, Optional, IO, Text, Tuple
@ -142,7 +143,8 @@ def __init__(
def generate(self, filename: str) -> None:
header = self.grammar.metas.get("header", MODULE_PREFIX)
if header is not None:
self.print(header.rstrip("\n").format(filename=filename))
basename = os.path.basename(filename)
self.print(header.rstrip("\n").format(filename=basename))
subheader = self.grammar.metas.get("subheader", "")
if subheader:
self.print(subheader.format(filename=filename))