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# Copyright 2016-2018 Dirk Thomas
# Licensed under the Apache License, Version 2.0
import json
import sys
import urllib
import urllib.request
from colcon_core.extension_point import get_all_extension_points
from colcon_core.plugin_system import satisfies_version
from colcon_core.verb import VerbExtensionPoint
from packaging.version import Version
class VersionCheckVerb(VerbExtensionPoint):
"""Compare local package versions with PyPI."""
def __init__(self): # noqa: D107
super().__init__()
satisfies_version(VerbExtensionPoint.EXTENSION_POINT_VERSION, '^1.0')
def main(self, *, context): # noqa: D102
distributions = set()
all_extension_points = get_all_extension_points()
for group in all_extension_points.values():
for info in group.values():
if info[2]:
distributions.add((info[1], info[2]))
base_url = 'https://pypi.org/pypi/{project}/json'
for dist_name, dist_ver in sorted(distributions):
url = base_url.format(project=dist_name)
try:
response = urllib.request.urlopen(url)
except urllib.error.HTTPError as e:
if e.code == 404:
print(
'{dist_name}: could not find package on PyPI'
.format_map(locals()), file=sys.stderr)
else:
print(
'{dist_name}: Server could not fulfill the '
'request: {e.reason}'
.format_map(locals()), file=sys.stderr)
continue
except urllib.error.URLError:
print(
'{dist_name}: Failed to reach server'
.format_map(locals()), file=sys.stderr)
continue
try:
data = json.load(response)
except json.decoder.JSONDecodeError:
print(
'{dist_name}: could not parse PyPI response'
.format_map(locals()), file=sys.stderr)
continue
try:
latest_version = data['info']['version']
except KeyError:
print(
'{dist_name}: could not determine version'
.format_map(locals()))
continue
if Version(latest_version) == Version(dist_ver):
print(
'{dist_name} {dist_ver}: up-to-date'
.format_map(locals()))
continue
if Version(dist_ver) < Version(latest_version):
print(
'{dist_name} {dist_ver}: newer version '
'available ({latest_version})'
.format_map(locals()))
continue
print(
'{dist_name} {dist_ver}: local version is newer '
'than latest release ({latest_version})'
.format_map(locals()))
continue
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