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# Copyright The Lightning AI team.
# Licensed under the Apache License, Version 2.0 (the "License");
# http://www.apache.org/licenses/LICENSE-2.0
#
import glob
import os.path
import re
from collections.abc import Sequence
from pprint import pprint
from typing import Union
REQUIREMENT_ROOT = "requirements.txt"
REQUIREMENT_FILES_ALL: list = glob.glob(os.path.join("requirements", "*.txt"))
REQUIREMENT_FILES_ALL += glob.glob(os.path.join("requirements", "**", "*.txt"), recursive=True)
if os.path.isfile(REQUIREMENT_ROOT):
REQUIREMENT_FILES_ALL += [REQUIREMENT_ROOT]
def prune_packages_in_requirements(
packages: Union[str, Sequence[str]], req_files: Union[str, Sequence[str]] = REQUIREMENT_FILES_ALL
) -> None:
"""Remove some packages from given requirement files."""
if isinstance(packages, str):
packages = [packages]
if isinstance(req_files, str):
req_files = [req_files]
for req in req_files:
_prune_packages(req, packages)
def _prune_packages(req_file: str, packages: Sequence[str]) -> None:
"""Remove some packages from given requirement files."""
with open(req_file) as fp:
lines = fp.readlines()
if isinstance(packages, str):
packages = [packages]
for pkg in packages:
lines = [ln for ln in lines if not ln.startswith(pkg)]
pprint(lines)
with open(req_file, "w") as fp:
fp.writelines(lines)
def _replace_min(fname: str) -> None:
with open(fname) as fopen:
req = fopen.read().replace(">=", "==")
with open(fname, "w") as fw:
fw.write(req)
def replace_oldest_version(req_files: Union[str, Sequence[str]] = REQUIREMENT_FILES_ALL) -> None:
"""Replace the min package version by fixed one."""
if isinstance(req_files, str):
req_files = [req_files]
for fname in req_files:
_replace_min(fname)
def _replace_package_name(requirements: list[str], old_package: str, new_package: str) -> list[str]:
"""Replace one package by another with same version in given requirement file.
>>> _replace_package_name(["torch>=1.0 # comment", "torchvision>=0.2", "torchtext <0.3"], "torch", "pytorch")
['pytorch>=1.0 # comment', 'torchvision>=0.2', 'torchtext <0.3']
"""
for i, req in enumerate(requirements):
requirements[i] = re.sub(r"^" + re.escape(old_package) + r"(?=[ <=>#]|$)", new_package, req)
return requirements
def replace_package_in_requirements(
old_package: str, new_package: str, req_files: Union[str, Sequence[str]] = REQUIREMENT_FILES_ALL
) -> None:
"""Replace one package by another with same version in given requirement files."""
if isinstance(req_files, str):
req_files = [req_files]
for fname in req_files:
with open(fname) as fopen:
reqs = fopen.readlines()
reqs = _replace_package_name(reqs, old_package, new_package)
with open(fname, "w") as fw:
fw.writelines(reqs)
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