369 lines
15 KiB
Python
369 lines
15 KiB
Python
# Copyright The PyTorch Lightning team.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import glob
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import os
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import pathlib
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import re
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import shutil
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import tarfile
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import tempfile
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import urllib.request
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from distutils.version import LooseVersion
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from itertools import chain
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from os.path import dirname, isfile
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from pathlib import Path
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from typing import Dict, List, Optional, Sequence, Tuple
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from pkg_resources import parse_requirements
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REQUIREMENT_FILES = {
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"pytorch": (
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"requirements/pytorch/base.txt",
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"requirements/pytorch/extra.txt",
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"requirements/pytorch/strategies.txt",
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"requirements/pytorch/examples.txt",
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),
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"app": (
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"requirements/app/base.txt",
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"requirements/app/ui.txt",
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"requirements/app/cloud.txt",
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),
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"lite": (
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"requirements/fabric/base.txt",
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"requirements/fabric/strategies.txt",
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),
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}
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REQUIREMENT_FILES_ALL = list(chain(*REQUIREMENT_FILES.values()))
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_PROJECT_ROOT = os.path.dirname(os.path.dirname(__file__))
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def _augment_requirement(ln: str, comment_char: str = "#", unfreeze: str = "all") -> str:
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"""Adjust the upper version contrains.
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Args:
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ln: raw line from requirement
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comment_char: charter marking comment
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unfreeze: Enum or "all"|"major"|""
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Returns:
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adjusted requirement
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>>> _augment_requirement("arrow<=1.2.2,>=1.2.0 # anything", unfreeze="none")
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'arrow<=1.2.2,>=1.2.0'
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>>> _augment_requirement("arrow<=1.2.2,>=1.2.0 # strict", unfreeze="none")
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'arrow<=1.2.2,>=1.2.0 # strict'
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>>> _augment_requirement("arrow<=1.2.2,>=1.2.0 # my name", unfreeze="all")
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'arrow>=1.2.0'
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>>> _augment_requirement("arrow>=1.2.0, <=1.2.2 # strict", unfreeze="all")
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'arrow>=1.2.0, <=1.2.2 # strict'
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>>> _augment_requirement("arrow", unfreeze="all")
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'arrow'
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>>> _augment_requirement("arrow>=1.2.0, <=1.2.2 # cool", unfreeze="major")
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'arrow>=1.2.0, <2.0 # strict'
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>>> _augment_requirement("arrow>=1.2.0, <=1.2.2 # strict", unfreeze="major")
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'arrow>=1.2.0, <=1.2.2 # strict'
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>>> _augment_requirement("arrow>=1.2.0", unfreeze="major")
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'arrow>=1.2.0, <2.0 # strict'
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>>> _augment_requirement("arrow", unfreeze="major")
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'arrow'
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"""
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assert unfreeze in {"none", "major", "all"}
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# filer all comments
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if comment_char in ln:
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comment = ln[ln.index(comment_char) :]
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ln = ln[: ln.index(comment_char)]
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is_strict = "strict" in comment
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else:
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is_strict = False
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req = ln.strip()
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# skip directly installed dependencies
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if not req or any(c in req for c in ["http:", "https:", "@"]):
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return ""
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# extract the major version from all listed versions
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if unfreeze == "major":
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req_ = list(parse_requirements([req]))[0]
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vers = [LooseVersion(v) for s, v in req_.specs if s not in ("==", "~=")]
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ver_major = sorted(vers)[-1].version[0] if vers else None
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else:
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ver_major = None
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# remove version restrictions unless they are strict
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if unfreeze != "none" and "<" in req and not is_strict:
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req = re.sub(r",? *<=? *[\d\.\*]+,? *", "", req).strip()
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if ver_major is not None and not is_strict:
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# add , only if there are already some versions
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req += f"{',' if any(c in req for c in '<=>') else ''} <{int(ver_major) + 1}.0"
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# adding strict back to the comment
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if is_strict or ver_major is not None:
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req += " # strict"
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return req
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def load_requirements(
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path_dir: str, file_name: str = "base.txt", comment_char: str = "#", unfreeze: str = "all"
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) -> List[str]:
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"""Loading requirements from a file.
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>>> path_req = os.path.join(_PROJECT_ROOT, "requirements")
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>>> load_requirements(path_req, "docs.txt", unfreeze="major") # doctest: +ELLIPSIS +NORMALIZE_WHITESPACE
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['sphinx>=4.0, <6.0 # strict', ...]
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"""
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assert unfreeze in {"none", "major", "all"}
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with open(os.path.join(path_dir, file_name)) as file:
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lines = [ln.strip() for ln in file.readlines()]
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reqs = [_augment_requirement(ln, comment_char=comment_char, unfreeze=unfreeze) for ln in lines]
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# filter empty lines and containing @ which means redirect to some git/http
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reqs = [str(req) for req in reqs if req and not any(c in req for c in ["@", "http:", "https:"])]
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return reqs
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def load_readme_description(path_dir: str, homepage: str, version: str) -> str:
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"""Load readme as decribtion.
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>>> load_readme_description(_PROJECT_ROOT, "", "") # doctest: +ELLIPSIS +NORMALIZE_WHITESPACE
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'...PyTorch Lightning is just organized PyTorch...'
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"""
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path_readme = os.path.join(path_dir, "README.md")
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text = open(path_readme, encoding="utf-8").read()
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# drop images from readme
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text = text.replace("", "")
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# https://github.com/Lightning-AI/lightning/raw/master/docs/source/_static/images/lightning_module/pt_to_pl.png
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github_source_url = os.path.join(homepage, "raw", version)
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# replace relative repository path to absolute link to the release
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# do not replace all "docs" as in the readme we reger some other sources with particular path to docs
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text = text.replace("docs/source/_static/", f"{os.path.join(github_source_url, 'docs/source/_static/')}")
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# readthedocs badge
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text = text.replace("badge/?version=stable", f"badge/?version={version}")
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text = text.replace("pytorch-lightning.readthedocs.io/en/stable/", f"pytorch-lightning.readthedocs.io/en/{version}")
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# codecov badge
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text = text.replace("/branch/master/graph/badge.svg", f"/release/{version}/graph/badge.svg")
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# github actions badge
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text = text.replace("badge.svg?branch=master&event=push", f"badge.svg?tag={version}")
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# azure pipelines badge
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text = text.replace("?branchName=master", f"?branchName=refs%2Ftags%2F{version}")
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skip_begin = r"<!-- following section will be skipped from PyPI description -->"
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skip_end = r"<!-- end skipping PyPI description -->"
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# todo: wrap content as commented description
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text = re.sub(rf"{skip_begin}.+?{skip_end}", "<!-- -->", text, flags=re.IGNORECASE + re.DOTALL)
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# # https://github.com/Borda/pytorch-lightning/releases/download/1.1.0a6/codecov_badge.png
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# github_release_url = os.path.join(homepage, "releases", "download", version)
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# # download badge and replace url with local file
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# text = _parse_for_badge(text, github_release_url)
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return text
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def distribute_version(src_folder: str, ver_file: str = "version.info") -> None:
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"""Copy the global version to all packages."""
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ls_ver = glob.glob(os.path.join(src_folder, "*", "__version__.py"))
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ver_template = os.path.join(src_folder, ver_file)
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for fpath in ls_ver:
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fpath = os.path.join(os.path.dirname(fpath), ver_file)
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print("Distributing the version to", fpath)
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if os.path.isfile(fpath):
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os.remove(fpath)
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shutil.copy2(ver_template, fpath)
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def _download_frontend(pkg_path: str):
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"""Downloads an archive file for a specific release of the Lightning frontend and extracts it to the correct
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directory."""
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try:
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frontend_dir = pathlib.Path(pkg_path, "ui")
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download_dir = tempfile.mkdtemp()
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shutil.rmtree(frontend_dir, ignore_errors=True)
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# TODO: remove this once lightning-ui package is ready as a dependency
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frontend_release_url = "https://storage.googleapis.com/grid-packages/lightning-ui/v0.0.0/build.tar.gz"
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response = urllib.request.urlopen(frontend_release_url)
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file = tarfile.open(fileobj=response, mode="r|gz")
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file.extractall(path=download_dir)
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shutil.move(os.path.join(download_dir, "build"), frontend_dir)
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print("The Lightning UI has successfully been downloaded!")
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# If installing from source without internet connection, we don't want to break the installation
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except Exception:
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print("The Lightning UI downloading has failed!")
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def _load_aggregate_requirements(req_dir: str = "requirements", freeze_requirements: bool = False) -> None:
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"""Load all base requirements from all particular packages and prune duplicates.
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>>> _load_aggregate_requirements(os.path.join(_PROJECT_ROOT, "requirements"))
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"""
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requires = [
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# TODO: consider passing unfreeze as string instead
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load_requirements(d, file_name="base.txt", unfreeze="none" if freeze_requirements else "major")
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for d in glob.glob(os.path.join(req_dir, "*"))
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# skip empty folder as git artefacts, and resolving Will's special issue
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if os.path.isdir(d) and len(glob.glob(os.path.join(d, "*"))) > 0 and "__pycache__" not in d
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]
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if not requires:
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return None
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# TODO: add some smarter version aggregation per each package
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requires = sorted(set(chain(*requires)))
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with open(os.path.join(req_dir, "base.txt"), "w") as fp:
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fp.writelines([ln + os.linesep for ln in requires] + [os.linesep])
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def _retrieve_files(directory: str, *ext: str) -> List[str]:
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all_files = []
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for root, _, files in os.walk(directory):
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for fname in files:
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if not ext or any(os.path.split(fname)[1].lower().endswith(e) for e in ext):
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all_files.append(os.path.join(root, fname))
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return all_files
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def _replace_imports(lines: List[str], mapping: List[Tuple[str, str]]) -> List[str]:
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"""Replace imports of standalone package to lightning.
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>>> lns = [
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... "lightning_app",
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... "delete_cloud_lightning_apps",
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... "from lightning_app import",
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... "lightning_apps = []",
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... "lightning_app and pytorch_lightning are ours",
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... "def _lightning_app():",
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... ":class:`~lightning_app.core.flow.LightningFlow`"
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... ]
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>>> mapping = [("lightning_app", "lightning.app"), ("pytorch_lightning", "lightning.pytorch")]
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>>> _replace_imports(lns, mapping) # doctest: +NORMALIZE_WHITESPACE
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['lightning.app', 'delete_cloud_lightning_apps', 'from lightning.app import', 'lightning_apps = []',\
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'lightning.app and lightning.pytorch are ours', 'def _lightning_app():',\
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':class:`~lightning.app.core.flow.LightningFlow`']
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"""
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out = lines[:]
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for source_import, target_import in mapping:
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for i, ln in enumerate(out):
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out[i] = re.sub(rf"([^_]|^){source_import}([^_\w]|$)", rf"\1{target_import}\2", ln)
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return out
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def copy_replace_imports(
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source_dir: str, source_imports: List[str], target_imports: List[str], target_dir: Optional[str] = None
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) -> None:
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"""Copy package content with import adjustments."""
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print(f"Replacing imports: {locals()}")
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assert len(source_imports) == len(target_imports), (
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"source and target imports must have the same length, "
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f"source: {len(source_imports)}, target: {len(target_imports)}"
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)
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if target_dir is None:
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target_dir = source_dir
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ls = _retrieve_files(source_dir)
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for fp in ls:
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fp_new = fp.replace(source_dir, target_dir)
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_, ext = os.path.splitext(fp)
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if ext in (".png", ".jpg", ".ico"):
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os.makedirs(dirname(fp_new), exist_ok=True)
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if not isfile(fp_new):
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shutil.copy(fp, fp_new)
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continue
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elif ext in (".pyc",):
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continue
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# Try to parse everything else
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with open(fp, encoding="utf-8") as fo:
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try:
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lines = fo.readlines()
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except UnicodeDecodeError:
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# a binary file, skip
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print(f"Skipped replacing imports for {fp}")
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continue
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lines = _replace_imports(lines, list(zip(source_imports, target_imports)))
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os.makedirs(os.path.dirname(fp_new), exist_ok=True)
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with open(fp_new, "w", encoding="utf-8") as fo:
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fo.writelines(lines)
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def create_mirror_package(source_dir: str, package_mapping: Dict[str, str]) -> None:
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# replace imports and copy the code
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mapping = package_mapping.copy()
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mapping.pop("lightning", None) # pop this key to avoid replacing `lightning` to `lightning.lightning`
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for new, previous in mapping.items():
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copy_replace_imports(
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source_dir=os.path.join(source_dir, previous),
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# pytorch_lightning uses lightning_fabric, so we need to replace all imports for all directories
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source_imports=list(mapping.values()),
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target_imports=[f"lightning.{new}" for new in mapping],
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target_dir=os.path.join(source_dir, "lightning", new),
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)
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class AssistantCLI:
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@staticmethod
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def requirements_prune_pkgs(packages: Sequence[str], req_files: Sequence[str] = REQUIREMENT_FILES_ALL) -> None:
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"""Remove some packages from given requirement files."""
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if isinstance(req_files, str):
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req_files = [req_files]
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for req in req_files:
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AssistantCLI._prune_packages(req, packages)
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@staticmethod
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def _prune_packages(req_file: str, packages: Sequence[str]) -> None:
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"""Remove some packages from given requirement files."""
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path = Path(req_file)
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assert path.exists()
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text = path.read_text()
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lines = text.splitlines()
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final = []
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for line in lines:
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ln_ = line.strip()
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if not ln_ or ln_.startswith("#"):
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final.append(line)
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continue
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req = list(parse_requirements(ln_))[0]
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if req.name not in packages:
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final.append(line)
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print(final)
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path.write_text("\n".join(final) + "\n")
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@staticmethod
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def _replace_min(fname: str) -> None:
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req = open(fname, encoding="utf-8").read().replace(">=", "==")
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open(fname, "w", encoding="utf-8").write(req)
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@staticmethod
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def replace_oldest_ver(requirement_fnames: Sequence[str] = REQUIREMENT_FILES_ALL) -> None:
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"""Replace the min package version by fixed one."""
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for fname in requirement_fnames:
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AssistantCLI._replace_min(fname)
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@staticmethod
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def copy_replace_imports(
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source_dir: str, source_import: str, target_import: str, target_dir: Optional[str] = None
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) -> None:
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"""Copy package content with import adjustments."""
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source_imports = source_import.strip().split(",")
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target_imports = target_import.strip().split(",")
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copy_replace_imports(source_dir, source_imports, target_imports, target_dir=target_dir)
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if __name__ == "__main__":
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import jsonargparse
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jsonargparse.CLI(AssistantCLI, as_positional=False)
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