mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-11-30 01:20:40 +00:00
dce1c26e5d
- use correct extension - do not update expressions that have an url that does not contain pypi - show warning in case request fails
250 lines
8.1 KiB
Plaintext
Executable file
250 lines
8.1 KiB
Plaintext
Executable file
#! /usr/bin/env nix-shell
|
|
#! nix-shell -i python3 -p 'python3.withPackages(ps: with ps; [ requests toolz ])'
|
|
|
|
"""
|
|
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
|
|
|
|
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."""
|
|
|
|
def _get_value(attribute, text):
|
|
"""Match attribute in text and return it."""
|
|
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 _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))
|
|
|
|
def _get_latest_version(package, extension):
|
|
|
|
|
|
url = "{}/{}/json".format(INDEX, package)
|
|
json = _fetch_page(url)
|
|
|
|
data = extract_relevant_nix_data(json, extension)[1]
|
|
|
|
version = data['latest_version']
|
|
if version in data['versions']:
|
|
sha256 = data['versions'][version]['sha256']
|
|
else:
|
|
sha256 = None # Its possible that no file was uploaded to PyPI
|
|
|
|
return version, sha256
|
|
|
|
|
|
def extract_relevant_nix_data(json, extension):
|
|
"""Extract relevant Nix data from the JSON of a package obtained from PyPI.
|
|
|
|
:param json: JSON obtained from PyPI
|
|
"""
|
|
def _extract_license(json):
|
|
"""Extract license from JSON."""
|
|
return json['info']['license']
|
|
|
|
def _available_versions(json):
|
|
return json['releases'].keys()
|
|
|
|
def _extract_latest_version(json):
|
|
return json['info']['version']
|
|
|
|
def _get_src_and_hash(json, version, extensions):
|
|
"""Obtain url and hash for a given version and list of allowable extensions."""
|
|
if not json['releases']:
|
|
msg = "Package {}: No releases available.".format(json['info']['name'])
|
|
raise ValueError(msg)
|
|
else:
|
|
# We use ['releases'] and not ['urls'] because we want to have the possibility for different version.
|
|
for possible_file in json['releases'][version]:
|
|
for extension in extensions:
|
|
if possible_file['filename'].endswith(extension):
|
|
src = {'url': str(possible_file['url']),
|
|
'sha256': str(possible_file['digests']['sha256']),
|
|
}
|
|
return src
|
|
else:
|
|
msg = "Package {}: No release with valid file extension available.".format(json['info']['name'])
|
|
logging.info(msg)
|
|
return None
|
|
#raise ValueError(msg)
|
|
|
|
def _get_sources(json, extensions):
|
|
versions = _available_versions(json)
|
|
releases = {version: _get_src_and_hash(json, version, extensions) for version in versions}
|
|
releases = toolz.itemfilter(lambda x: x[1] is not None, releases)
|
|
return releases
|
|
|
|
# Collect data)
|
|
name = str(json['info']['name'])
|
|
latest_version = str(_extract_latest_version(json))
|
|
#src = _get_src_and_hash(json, latest_version, EXTENSIONS)
|
|
sources = _get_sources(json, [extension])
|
|
|
|
# Collect meta data
|
|
license = str(_extract_license(json))
|
|
license = license if license != "UNKNOWN" else None
|
|
summary = str(json['info'].get('summary')).strip('.')
|
|
summary = summary if summary != "UNKNOWN" else None
|
|
#description = str(json['info'].get('description'))
|
|
#description = description if description != "UNKNOWN" else None
|
|
homepage = json['info'].get('home_page')
|
|
|
|
data = {
|
|
'latest_version' : latest_version,
|
|
'versions' : sources,
|
|
#'src' : src,
|
|
'meta' : {
|
|
'description' : summary if summary else None,
|
|
#'longDescription' : description,
|
|
'license' : license,
|
|
'homepage' : homepage,
|
|
},
|
|
}
|
|
return name, data
|
|
|
|
|
|
def _update_package(path):
|
|
|
|
# We need to read and modify a Nix expression.
|
|
if os.path.isdir(path):
|
|
path = os.path.join(path, 'default.nix')
|
|
|
|
if not os.path.isfile(path):
|
|
logging.warning("Path does not exist: {}".format(path))
|
|
return False
|
|
|
|
if not path.endswith(".nix"):
|
|
logging.warning("Path does not end with `.nix`, skipping: {}".format(path))
|
|
return False
|
|
|
|
with open(path, 'r') as f:
|
|
text = f.read()
|
|
|
|
try:
|
|
pname = _get_value('pname', text)
|
|
except ValueError as e:
|
|
logging.warning("Path {}: {}".format(path, str(e)))
|
|
return False
|
|
|
|
try:
|
|
version = _get_value('version', text)
|
|
except ValueError as e:
|
|
logging.warning("Path {}: {}".format(path, str(e)))
|
|
return False
|
|
|
|
# If we use a wheel, then we need to request a wheel as well
|
|
try:
|
|
format = _get_value('format', text)
|
|
except ValueError as e:
|
|
# No format mentioned, then we assume we have setuptools
|
|
# and use a .tar.gz
|
|
logging.info("Path {}: {}".format(path, str(e)))
|
|
extension = ".tar.gz"
|
|
else:
|
|
if format == 'wheel':
|
|
extension = ".whl"
|
|
else:
|
|
try:
|
|
url = _get_value('url', text)
|
|
extension = os.path.splitext(url)[1]
|
|
if 'pypi' not in url:
|
|
logging.warning("Path {}: uses non-PyPI url, not updating.".format(path))
|
|
return False
|
|
except ValueError as e:
|
|
logging.info("Path {}: {}".format(path, str(e)))
|
|
extension = ".tar.gz"
|
|
|
|
try:
|
|
new_version, new_sha256 = _get_latest_version(pname, extension)
|
|
except ValueError as e:
|
|
logging.warning("Path {}: {}".format(path, str(e)))
|
|
else:
|
|
if not new_sha256:
|
|
logging.warning("Path has no valid file available: {}".format(path))
|
|
return False
|
|
if new_version != version:
|
|
try:
|
|
text = _replace_value('version', new_version, text)
|
|
except ValueError as e:
|
|
logging.warning("Path {}: {}".format(path, str(e)))
|
|
try:
|
|
text = _replace_value('sha256', new_sha256, text)
|
|
except ValueError as e:
|
|
logging.warning("Path {}: {}".format(path, str(e)))
|
|
|
|
with open(path, 'w') as f:
|
|
f.write(text)
|
|
|
|
logging.info("Updated {} from {} to {}".format(pname, version, new_version))
|
|
|
|
else:
|
|
logging.info("No update available for {} at {}".format(pname, version))
|
|
|
|
return True
|
|
|
|
|
|
def main():
|
|
|
|
parser = argparse.ArgumentParser()
|
|
parser.add_argument('package', type=str, nargs='+')
|
|
|
|
args = parser.parse_args()
|
|
|
|
packages = args.package
|
|
|
|
count = list(map(_update_package, packages))
|
|
|
|
#logging.info("{} package(s) updated".format(sum(count)))
|
|
|
|
if __name__ == '__main__':
|
|
main() |