362 lines
10 KiB
Plaintext
Executable File
362 lines
10 KiB
Plaintext
Executable File
#! /usr/bin/env nix-shell
|
|
#! 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.
|
|
You can pass in multiple files or paths.
|
|
|
|
You'll likely want to use
|
|
``
|
|
$ ./update-python-libraries ../../pkgs/development/python-modules/*
|
|
``
|
|
to update all libraries in that folder.
|
|
"""
|
|
|
|
import argparse
|
|
import logging
|
|
import os
|
|
import re
|
|
import requests
|
|
import toolz
|
|
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"""
|
|
|
|
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.
|
|
|
|
:returns: List of matches.
|
|
"""
|
|
regex = '{}\s+=\s+"(.*)";'.format(attribute)
|
|
regex = re.compile(regex)
|
|
values = regex.findall(text)
|
|
return values
|
|
|
|
def _get_unique_value(attribute, text):
|
|
"""Match attribute in text and return unique match.
|
|
|
|
:returns: Single match.
|
|
"""
|
|
values = _get_values(attribute, text)
|
|
n = len(values)
|
|
if n > 1:
|
|
raise ValueError("found too many values for {}".format(attribute))
|
|
elif n == 1:
|
|
return values[0]
|
|
else:
|
|
raise ValueError("no value found for {}".format(attribute))
|
|
|
|
def _get_line_and_value(attribute, text):
|
|
"""Match attribute in text. Return the line and the value of the attribute."""
|
|
regex = '({}\s+=\s+"(.*)";)'.format(attribute)
|
|
regex = re.compile(regex)
|
|
value = regex.findall(text)
|
|
n = len(value)
|
|
if n > 1:
|
|
raise ValueError("found too many values for {}".format(attribute))
|
|
elif n == 1:
|
|
return value[0]
|
|
else:
|
|
raise ValueError("no value found for {}".format(attribute))
|
|
|
|
|
|
def _replace_value(attribute, value, text):
|
|
"""Search and replace value of attribute in text."""
|
|
old_line, old_value = _get_line_and_value(attribute, text)
|
|
new_line = old_line.replace(old_value, value)
|
|
new_text = text.replace(old_line, new_line)
|
|
return new_text
|
|
|
|
def _fetch_page(url):
|
|
r = requests.get(url)
|
|
if r.status_code == requests.codes.ok:
|
|
return r.json()
|
|
else:
|
|
raise ValueError("request for {} failed".format(url))
|
|
|
|
|
|
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)
|
|
|
|
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']
|
|
break
|
|
else:
|
|
sha256 = None
|
|
return version, sha256
|
|
|
|
|
|
def _get_latest_version_github(package, extension, current_version, target):
|
|
raise ValueError("updating from GitHub is not yet supported.")
|
|
|
|
|
|
FETCHERS = {
|
|
'fetchFromGitHub' : _get_latest_version_github,
|
|
'fetchPypi' : _get_latest_version_pypi,
|
|
'fetchurl' : _get_latest_version_pypi,
|
|
}
|
|
|
|
|
|
DEFAULT_SETUPTOOLS_EXTENSION = 'tar.gz'
|
|
|
|
|
|
FORMATS = {
|
|
'setuptools' : DEFAULT_SETUPTOOLS_EXTENSION,
|
|
'wheel' : 'whl'
|
|
}
|
|
|
|
def _determine_fetcher(text):
|
|
# Count occurences of fetchers.
|
|
nfetchers = sum(text.count('src = {}'.format(fetcher)) for fetcher in FETCHERS.keys())
|
|
if nfetchers == 0:
|
|
raise ValueError("no fetcher.")
|
|
elif nfetchers > 1:
|
|
raise ValueError("multiple fetchers.")
|
|
else:
|
|
# Then we check which fetcher to use.
|
|
for fetcher in FETCHERS.keys():
|
|
if 'src = {}'.format(fetcher) in text:
|
|
return fetcher
|
|
|
|
|
|
def _determine_extension(text, fetcher):
|
|
"""Determine what extension is used in the expression.
|
|
|
|
If we use:
|
|
- fetchPypi, we check if format is specified.
|
|
- fetchurl, we determine the extension from the url.
|
|
- fetchFromGitHub we simply use `.tar.gz`.
|
|
"""
|
|
if fetcher == 'fetchPypi':
|
|
try:
|
|
src_format = _get_unique_value('format', text)
|
|
except ValueError as e:
|
|
src_format = None # format was not given
|
|
|
|
try:
|
|
extension = _get_unique_value('extension', text)
|
|
except ValueError as e:
|
|
extension = None # extension was not given
|
|
|
|
if extension is None:
|
|
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)
|
|
extension = os.path.splitext(url)[1]
|
|
if 'pypi' not in url:
|
|
raise ValueError('url does not point to PyPI.')
|
|
|
|
elif fetcher == 'fetchFromGitHub':
|
|
raise ValueError('updating from GitHub is not yet implemented.')
|
|
|
|
return extension
|
|
|
|
|
|
def _update_package(path, target):
|
|
|
|
# Read the expression
|
|
with open(path, 'r') as f:
|
|
text = f.read()
|
|
|
|
# Determine pname.
|
|
pname = _get_unique_value('pname', text)
|
|
|
|
# Determine version.
|
|
version = _get_unique_value('version', text)
|
|
|
|
# First we check how many fetchers are mentioned.
|
|
fetcher = _determine_fetcher(text)
|
|
|
|
extension = _determine_extension(text, fetcher)
|
|
|
|
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))
|
|
|
|
text = _replace_value('version', new_version, text)
|
|
text = _replace_value('sha256', new_sha256, text)
|
|
|
|
with open(path, 'w') as f:
|
|
f.write(text)
|
|
|
|
logging.info("Path {}: updated {} from {} to {}".format(path, pname, version, new_version))
|
|
|
|
result = {
|
|
'path' : path,
|
|
'target': target,
|
|
'pname': pname,
|
|
'old_version' : version,
|
|
'new_version' : new_version,
|
|
#'fetcher' : fetcher,
|
|
}
|
|
|
|
return result
|
|
|
|
|
|
def _update(path, target):
|
|
|
|
# We need to read and modify a Nix expression.
|
|
if os.path.isdir(path):
|
|
path = os.path.join(path, 'default.nix')
|
|
|
|
# If a default.nix does not exist, we quit.
|
|
if not os.path.isfile(path):
|
|
logging.info("Path {}: does not exist.".format(path))
|
|
return False
|
|
|
|
# If file is not a Nix expression, we quit.
|
|
if not path.endswith(".nix"):
|
|
logging.info("Path {}: does not end with `.nix`.".format(path))
|
|
return False
|
|
|
|
try:
|
|
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 = 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))
|
|
|
|
|
|
|
|
if __name__ == '__main__':
|
|
main()
|