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update-python-libraries: commit updates and specify update kind

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This commit introduces two new features:

1. specify with --target whether major, minor or patch updates should be made
2. use --commit to create commits for each of the updates
This commit is contained in:
Frederik Rietdijk 2017-11-26 09:08:49 +01:00
parent 70faf4f5a2
commit 2c9ecb4f4d
1 changed files with 138 additions and 22 deletions
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160
maintainers/scripts/update-python-libraries
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@ -1,5 +1,5 @@
#! /usr/bin/env nix-shell
#! nix-shell -i python3 -p 'python3.withPackages(ps: with ps; [ requests toolz ])'
#! nix-shell -i python3 -p 'python3.withPackages(ps: with ps; [ packaging requests toolz ])' -p git
"""
Update a Python package expression by passing in the `.nix` file, or the directory containing it.
@ -18,7 +18,12 @@ import os
import re
import requests
import toolz
from concurrent.futures import ThreadPoolExecutor as pool
from concurrent.futures import ThreadPoolExecutor as Pool
from packaging.version import Version as _Version
from packaging.version import InvalidVersion
from packaging.specifiers import SpecifierSet
import collections
import subprocess
INDEX = "https://pypi.io/pypi"
"""url of PyPI"""
@ -26,10 +31,30 @@ INDEX = "https://pypi.io/pypi"
EXTENSIONS = ['tar.gz', 'tar.bz2', 'tar', 'zip', '.whl']
"""Permitted file extensions. These are evaluated from left to right and the first occurance is returned."""
PRERELEASES = False
import logging
logging.basicConfig(level=logging.INFO)
class Version(_Version, collections.abc.Sequence):
def __init__(self, version):
super().__init__(version)
# We cannot use `str(Version(0.04.21))` because that becomes `0.4.21`
# https://github.com/avian2/unidecode/issues/13#issuecomment-354538882
self.raw_version = version
def __getitem__(self, i):
return self._version.release[i]
def __len__(self):
return len(self._version.release)
def __iter__(self):
yield from self._version.release
def _get_values(attribute, text):
"""Match attribute in text and return all matches.
@ -82,13 +107,59 @@ def _fetch_page(url):
else:
raise ValueError("request for {} failed".format(url))
def _get_latest_version_pypi(package, extension):
SEMVER = {
'major' : 0,
'minor' : 1,
'patch' : 2,
}
def _determine_latest_version(current_version, target, versions):
"""Determine latest version, given `target`.
"""
current_version = Version(current_version)
def _parse_versions(versions):
for v in versions:
try:
yield Version(v)
except InvalidVersion:
pass
versions = _parse_versions(versions)
index = SEMVER[target]
ceiling = list(current_version[0:index])
if len(ceiling) == 0:
ceiling = None
else:
ceiling[-1]+=1
ceiling = Version(".".join(map(str, ceiling)))
# We do not want prereleases
versions = SpecifierSet(prereleases=PRERELEASES).filter(versions)
if ceiling is not None:
versions = SpecifierSet(f"<{ceiling}").filter(versions)
return (max(sorted(versions))).raw_version
def _get_latest_version_pypi(package, extension, current_version, target):
"""Get latest version and hash from PyPI."""
url = "{}/{}/json".format(INDEX, package)
json = _fetch_page(url)
version = json['info']['version']
for release in json['releases'][version]:
versions = json['releases'].keys()
version = _determine_latest_version(current_version, target, versions)
try:
releases = json['releases'][version]
except KeyError as e:
raise KeyError('Could not find version {} for {}'.format(version, package)) from e
for release in releases:
if release['filename'].endswith(extension):
# TODO: In case of wheel we need to do further checks!
sha256 = release['digests']['sha256']
@ -98,7 +169,7 @@ def _get_latest_version_pypi(package, extension):
return version, sha256
def _get_latest_version_github(package, extension):
def _get_latest_version_github(package, extension, current_version, target):
raise ValueError("updating from GitHub is not yet supported.")
@ -141,9 +212,9 @@ def _determine_extension(text, fetcher):
"""
if fetcher == 'fetchPypi':
try:
format = _get_unique_value('format', text)
src_format = _get_unique_value('format', text)
except ValueError as e:
format = None # format was not given
src_format = None # format was not given
try:
extension = _get_unique_value('extension', text)
@ -151,9 +222,11 @@ def _determine_extension(text, fetcher):
extension = None # extension was not given
if extension is None:
if format is None:
format = 'setuptools'
extension = FORMATS[format]
if src_format is None:
src_format = 'setuptools'
elif src_format == 'flit':
raise ValueError("Don't know how to update a Flit package.")
extension = FORMATS[src_format]
elif fetcher == 'fetchurl':
url = _get_unique_value('url', text)
@ -167,9 +240,7 @@ def _determine_extension(text, fetcher):
return extension
def _update_package(path):
def _update_package(path, target):
# Read the expression
with open(path, 'r') as f:
@ -186,11 +257,13 @@ def _update_package(path):
extension = _determine_extension(text, fetcher)
new_version, new_sha256 = _get_latest_version_pypi(pname, extension)
new_version, new_sha256 = FETCHERS[fetcher](pname, extension, version, target)
if new_version == version:
logging.info("Path {}: no update available for {}.".format(path, pname))
return False
elif new_version <= version:
raise ValueError("downgrade for {}.".format(pname))
if not new_sha256:
raise ValueError("no file available for {}.".format(pname))
@ -202,10 +275,19 @@ def _update_package(path):
logging.info("Path {}: updated {} from {} to {}".format(path, pname, version, new_version))
return True
result = {
'path' : path,
'target': target,
'pname': pname,
'old_version' : version,
'new_version' : new_version,
#'fetcher' : fetcher,
}
return result
def _update(path):
def _update(path, target):
# We need to read and modify a Nix expression.
if os.path.isdir(path):
@ -222,24 +304,58 @@ def _update(path):
return False
try:
return _update_package(path)
return _update_package(path, target)
except ValueError as e:
logging.warning("Path {}: {}".format(path, e))
return False
def _commit(path, pname, old_version, new_version, **kwargs):
"""Commit result.
"""
msg = f'python: {pname}: {old_version} -> {new_version}'
try:
subprocess.check_call(['git', 'add', path])
subprocess.check_call(['git', 'commit', '-m', msg])
except subprocess.CalledProcessError as e:
subprocess.check_call(['git', 'checkout', path])
raise subprocess.CalledProcessError(f'Could not commit {path}') from e
return True
def main():
parser = argparse.ArgumentParser()
parser.add_argument('package', type=str, nargs='+')
parser.add_argument('--target', type=str, choices=SEMVER.keys(), default='major')
parser.add_argument('--commit', action='store_true', help='Create a commit for each package update')
args = parser.parse_args()
target = args.target
packages = map(os.path.abspath, args.package)
packages = list(map(os.path.abspath, args.package))
logging.info("Updating packages...")
# Use threads to update packages concurrently
with Pool() as p:
results = list(p.map(lambda pkg: _update(pkg, target), packages))
logging.info("Finished updating packages.")
# Commits are created sequentially.
if args.commit:
logging.info("Committing updates...")
list(map(lambda x: _commit(**x), filter(bool, results)))
logging.info("Finished committing updates")
count = sum(map(bool, results))
logging.info("{} package(s) updated".format(count))
with pool() as p:
count = list(p.map(_update, packages))
logging.info("{} package(s) updated".format(sum(count)))
if __name__ == '__main__':
main()