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Remove atomicwrites dependency #32

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Merged
vmalloc merged 3 commits into from
Nov 26, 2025
Merged

Remove atomicwrites dependency #32

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5404a4c
Remove `atomicwrites` dependency
UebelAndre Nov 23, 2025
b4a5065
Merge branch 'getslash:develop' into develop
UebelAndre Nov 25, 2025
4e0090b
Fix pylint
UebelAndre Nov 25, 2025
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24 changes: 13 additions & 11 deletions dessert/rewrite.py
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Original file line number Diff line number Diff line change
Expand Up @@ -21,8 +21,6 @@
from typing import Set
from typing import Tuple

import atomicwrites

from . import util
from .util import format_explanation as _format_explanation

Expand Down Expand Up @@ -231,15 +229,19 @@ def _write_pyc(state, co, source_stat, pyc):
# (C)Python, since these "pycs" should never be seen by builtin
# import. However, there's little reason deviate.
try:
with atomicwrites.atomic_write(pyc, mode="wb", overwrite=True, dir=tempfile.gettempdir()) as fp:
fp.write(importlib.util.MAGIC_NUMBER)
# as of now, bytecode header expects 32-bit numbers for size and mtime (#4903)
mtime = int(source_stat.st_mtime) & 0xFFFFFFFF
size = source_stat.st_size & 0xFFFFFFFF
# "<LL" stands for 2 unsigned longs, little-ending
fp.write(struct.pack("<LL", mtime, size))
fp.write(marshal.dumps(co))
except EnvironmentError as e:
with tempfile.TemporaryDirectory(prefix="dessert-pyc-") as tmp_dir:
tmp_file = os.path.join(tmp_dir, os.path.basename(pyc))
with open(tmp_file, mode="wb") as fp:
fp.write(importlib.util.MAGIC_NUMBER)
# as of now, bytecode header expects 32-bit numbers for size and mtime (#4903)
mtime = int(source_stat.st_mtime) & 0xFFFFFFFF
size = source_stat.st_size & 0xFFFFFFFF
# "<LL" stands for 2 unsigned longs, little-ending
fp.write(struct.pack("<LL", mtime, size))
fp.write(marshal.dumps(co))

os.replace(tmp_file, pyc)
except (EnvironmentError, OSError) as e:
_logger.debug("error writing pyc file at {}: errno={}".format(pyc, e.errno))
# we ignore any failure to write the cache file
# there are many reasons, permission-denied, __pycache__ being a
Expand Down
2 changes: 1 addition & 1 deletion pyproject.toml
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Expand Up @@ -19,7 +19,7 @@ classifiers = [
"Programming Language :: Python :: 3.14",
]

dependencies = ["munch", "py", "atomicwrites>=1.0", "attrs"]
dependencies = ["munch", "py", "attrs"]

dynamic = ["version"]

Expand Down