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pypi.py
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pypi.py
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# -*- coding: utf-8 -*-
from collections import namedtuple
from collections import OrderedDict
from pkg_resources import parse_version
from plone.versioncheck.utils import requests_session
import datetime
import sys
PYPI_URL = "https://pypi.org"
Release = namedtuple("Release", ["version", "release_date"])
FLOOR_RELEASE = Release(version=u"0.0.0.0", release_date=datetime.date(1970, 1, 1))
def mmbp_tuple(version):
"""major minor bugfix, postfix tuple from version
- 1.0 -> 1.0.0.0
- 1.2 -> 1.2.0.0
- 1.3.4 -> 1.3.4.0
- 1.3.4.5 -> 1.3.4.5
"""
parts = version.base_version.split(".")
parts += ["0"] * (4 - len(parts))
return [int(_) for _ in parts]
def check(name, version, session): # noqa: C901
result = OrderedDict(
[
("major", FLOOR_RELEASE),
("minor", FLOOR_RELEASE),
("bugfix", FLOOR_RELEASE),
("majorpre", FLOOR_RELEASE),
("minorpre", FLOOR_RELEASE),
("bugfixpre", FLOOR_RELEASE),
]
)
# parse version to test against:
try:
version = parse_version(version)
except TypeError:
return False, "Version broken/ not checkable."
try:
vtuple = mmbp_tuple(version)
except ValueError:
return False, "Can not check legacy version number."
# fetch pkgs json info from pypi
url = "{url}/pypi/{name}/json".format(url=PYPI_URL, name=name)
try:
resp = session.get(url)
except Exception:
print("Fatal problem while fetching URL: {0}".format(url))
raise
# check status code
if resp.status_code == 404:
return (
False,
'Package "{name}" not on pypi ({url}).'.format(name=name, url=url),
)
elif resp.status_code != 200:
return False, str(resp.status_code)
data = resp.json()
# get information about possible updates
releases = sorted(data["releases"])
for release in releases:
# major check (overall)
try:
rel_v = parse_version(release)
except Exception:
# likely pkg_resources.extern.packaging.version.InvalidVersion
# but really any exception can be ignored.
# See https://github.com/plone/plone.versioncheck/issues/52
continue
if rel_v <= version:
continue
rel_vtuple = mmbp_tuple(rel_v)
rel_data = data["releases"][release]
rel_date = datetime.date(1970, 1, 1)
for rel_pkg in rel_data:
time_string = rel_pkg.get("upload_time")
if time_string:
crel_date = datetime.datetime.strptime(
time_string, "%Y-%m-%dT%H:%M:%S"
).date()
if crel_date > rel_date:
rel_date = crel_date
if rel_vtuple[0] > vtuple[0]:
if rel_v.is_prerelease and rel_v > parse_version(
result["majorpre"].version
):
result["majorpre"] = Release(version=release, release_date=rel_date)
elif not rel_v.is_prerelease and rel_v > parse_version(
result["major"].version
):
result["major"] = Release(version=release, release_date=rel_date)
continue
if ( # Only compare same version line
rel_vtuple[0] == vtuple[0] and rel_vtuple[1] > vtuple[1]
):
if rel_v.is_prerelease and rel_v > parse_version(
result["minorpre"].version
):
result["minorpre"] = Release(version=release, release_date=rel_date)
elif not rel_v.is_prerelease and rel_v > parse_version(
result["minor"].version
):
result["minor"] = Release(version=release, release_date=rel_date)
continue
if ( # Only compare same version line
rel_vtuple[0] == vtuple[0]
and rel_vtuple[1] == vtuple[1]
and rel_vtuple[2] > vtuple[2]
):
if rel_v.is_prerelease and rel_v > parse_version(
result["bugfixpre"].version
):
result["bugfixpre"] = Release(version=release, release_date=rel_date)
elif not rel_v.is_prerelease and rel_v > parse_version(
result["bugfix"].version
):
result["bugfix"] = Release(version=release, release_date=rel_date)
continue
# reset non existing versions
for version_tag in result.keys():
if result[version_tag].version == u"0.0.0.0":
result[version_tag] = None
# filter out older
if (
result["major"]
and result["majorpre"]
and parse_version(result["majorpre"].version)
< parse_version(result["major"].version)
):
result["majorpre"] = None
if (
result["minor"]
and result["minorpre"]
and parse_version(result["minorpre"].version)
< parse_version(result["minor"].version)
):
result["minorpre"] = None
if (
result["bugfix"]
and result["bugfixpre"]
and parse_version(result["bugfixpre"].version)
< parse_version(result["bugfix"].version)
):
result["bugfixpre"] = None
return 2 if resp.from_cache else 1, result
def check_all(pkgsinfo, limit=None, nocache=False):
session = requests_session(nocache=nocache)
pkgs = pkgsinfo["pkgs"]
sys.stderr.write("Check PyPI for updates of {0:d} packages.".format(len(pkgs)))
if limit:
sys.stderr.write(" Check limited to {0:d} packages.".format(limit))
pkgsinfo["pypi"] = {}
errors = []
for idx, pkgname in enumerate(sorted(pkgs)):
if not idx % 20 and idx != limit:
sys.stderr.write("\n{0:4d} ".format(idx))
current = next(iter(pkgs[pkgname]))
state, result = check(pkgname, pkgs[pkgname][current]["v"], session)
if not state:
sys.stderr.write("E")
errors.append((pkgname, pkgs[pkgname][current]["v"], str(result)))
continue
pkgsinfo["pypi"][pkgname] = result
sys.stderr.write("O" if state == 1 else "o")
if limit and idx == limit:
break
for error in errors:
sys.stderr.write("\nError in {0} version {1} reason: {2}".format(*error))
sys.stderr.write("\nPyPI check finished\n")
def update_pkg_info(pkg_name, pkg_data, session):
for filename, elemdata in pkg_data.items():
# fetch pkgs json info from pypi
url = "{url}/pypi/{name}/json".format(url=PYPI_URL, name=pkg_name)
resp = session.get(url)
# check status code
if resp.status_code != 200:
continue
data = resp.json()
rel_date = datetime.date(1970, 1, 1)
try:
urls = data["releases"][elemdata["v"]]
except KeyError:
# release not on PyPI
continue
for rel_pkg in urls:
time_string = rel_pkg.get("upload_time")
if time_string:
crel_date = datetime.datetime.strptime(
time_string, "%Y-%m-%dT%H:%M:%S"
).date()
if crel_date > rel_date:
rel_date = crel_date
elemdata["release_date"] = rel_date
return True
def update_pkgs_info(pkgsinfo, limit=None, nocache=False):
session = requests_session(nocache=nocache)
pkgs = pkgsinfo["pkgs"]
sys.stderr.write("Check PyPI for data of {0:d} packages.".format(len(pkgs)))
if limit:
sys.stderr.write(" Check limited to {0:d} packages.".format(limit))
errors = []
idx = 0
for pkg_name, pkg_data in pkgs.items():
if not idx % 20 and idx != limit:
sys.stderr.write("\n{0:4d} ".format(idx))
state = update_pkg_info(pkg_name, pkg_data, session)
if not state:
sys.stderr.write("E")
errors.append((pkg_name,))
continue
sys.stderr.write("O" if state == 1 else "o")
if limit and idx == limit:
break
idx += 1
for error in errors:
sys.stderr.write("\nError in {0}".format(*error))
sys.stderr.write("\nPyPI check finished\n")
def update_tracking_version_info(pkg_name, pkg_data, session):
# fetch pkgs json info from pypi
url = "{url}/pypi/{name}/{version}/json".format(
url=PYPI_URL,
name=pkg_name,
# version=pkg_data['version'])
version=pkg_data[0],
)
resp = session.get(url)
# check status code
if resp.status_code == 404:
return False, "Package Version not on pypi."
elif resp.status_code != 200:
return False, str(resp.status_code)
data = resp.json()
rel_date = datetime.date(1970, 1, 1)
for rel_pkg in data["urls"]:
time_string = rel_pkg.get("upload_time")
if time_string:
crel_date = datetime.datetime.strptime(
time_string, "%Y-%m-%dT%H:%M:%S"
).date()
if crel_date > rel_date:
rel_date = crel_date
# pkg_data['release_date'] = rel_date
pkg_data.append(rel_date)
return 2 if resp.from_cache else 1, True
def update_tracking_info(pkgsinfo, nocache=False):
session = requests_session(nocache=nocache)
pkgs = pkgsinfo["tracking"]["versions"]
sys.stderr.write("Check PyPI for data of {0:d} packages.".format(len(pkgs)))
errors = []
idx = 0
for pkg_name, pkg_data in pkgs.items():
if not idx % 20:
sys.stderr.write("\n{0:4d} ".format(idx))
state, result = update_tracking_version_info(pkg_name, pkg_data, session)
if not state:
sys.stderr.write("E")
errors.append((pkg_name, str(result)))
continue
sys.stderr.write("O" if state == 1 else "o")
idx += 1
for error in errors:
sys.stderr.write("\nError in {0} reason: {1}".format(*error))
sys.stderr.write("\nPyPI check finished\n")