162 lines
5.3 KiB
Python
162 lines
5.3 KiB
Python
from __future__ import absolute_import
|
|
|
|
import datetime
|
|
import json
|
|
import logging
|
|
import os.path
|
|
import sys
|
|
|
|
from pip._vendor import lockfile
|
|
from pip._vendor.packaging import version as packaging_version
|
|
|
|
from pip.compat import total_seconds, WINDOWS
|
|
from pip.models import PyPI
|
|
from pip.locations import USER_CACHE_DIR, running_under_virtualenv
|
|
from pip.utils import ensure_dir, get_installed_version
|
|
from pip.utils.filesystem import check_path_owner
|
|
|
|
|
|
SELFCHECK_DATE_FMT = "%Y-%m-%dT%H:%M:%SZ"
|
|
|
|
|
|
logger = logging.getLogger(__name__)
|
|
|
|
|
|
class VirtualenvSelfCheckState(object):
|
|
def __init__(self):
|
|
self.statefile_path = os.path.join(sys.prefix, "pip-selfcheck.json")
|
|
|
|
# Load the existing state
|
|
try:
|
|
with open(self.statefile_path) as statefile:
|
|
self.state = json.load(statefile)
|
|
except (IOError, ValueError):
|
|
self.state = {}
|
|
|
|
def save(self, pypi_version, current_time):
|
|
# Attempt to write out our version check file
|
|
with open(self.statefile_path, "w") as statefile:
|
|
json.dump(
|
|
{
|
|
"last_check": current_time.strftime(SELFCHECK_DATE_FMT),
|
|
"pypi_version": pypi_version,
|
|
},
|
|
statefile,
|
|
sort_keys=True,
|
|
separators=(",", ":")
|
|
)
|
|
|
|
|
|
class GlobalSelfCheckState(object):
|
|
def __init__(self):
|
|
self.statefile_path = os.path.join(USER_CACHE_DIR, "selfcheck.json")
|
|
|
|
# Load the existing state
|
|
try:
|
|
with open(self.statefile_path) as statefile:
|
|
self.state = json.load(statefile)[sys.prefix]
|
|
except (IOError, ValueError, KeyError):
|
|
self.state = {}
|
|
|
|
def save(self, pypi_version, current_time):
|
|
# Check to make sure that we own the directory
|
|
if not check_path_owner(os.path.dirname(self.statefile_path)):
|
|
return
|
|
|
|
# Now that we've ensured the directory is owned by this user, we'll go
|
|
# ahead and make sure that all our directories are created.
|
|
ensure_dir(os.path.dirname(self.statefile_path))
|
|
|
|
# Attempt to write out our version check file
|
|
with lockfile.LockFile(self.statefile_path):
|
|
if os.path.exists(self.statefile_path):
|
|
with open(self.statefile_path) as statefile:
|
|
state = json.load(statefile)
|
|
else:
|
|
state = {}
|
|
|
|
state[sys.prefix] = {
|
|
"last_check": current_time.strftime(SELFCHECK_DATE_FMT),
|
|
"pypi_version": pypi_version,
|
|
}
|
|
|
|
with open(self.statefile_path, "w") as statefile:
|
|
json.dump(state, statefile, sort_keys=True,
|
|
separators=(",", ":"))
|
|
|
|
|
|
def load_selfcheck_statefile():
|
|
if running_under_virtualenv():
|
|
return VirtualenvSelfCheckState()
|
|
else:
|
|
return GlobalSelfCheckState()
|
|
|
|
|
|
def pip_version_check(session):
|
|
"""Check for an update for pip.
|
|
|
|
Limit the frequency of checks to once per week. State is stored either in
|
|
the active virtualenv or in the user's USER_CACHE_DIR keyed off the prefix
|
|
of the pip script path.
|
|
"""
|
|
installed_version = get_installed_version("pip")
|
|
if installed_version is None:
|
|
return
|
|
|
|
pip_version = packaging_version.parse(installed_version)
|
|
pypi_version = None
|
|
|
|
try:
|
|
state = load_selfcheck_statefile()
|
|
|
|
current_time = datetime.datetime.utcnow()
|
|
# Determine if we need to refresh the state
|
|
if "last_check" in state.state and "pypi_version" in state.state:
|
|
last_check = datetime.datetime.strptime(
|
|
state.state["last_check"],
|
|
SELFCHECK_DATE_FMT
|
|
)
|
|
if total_seconds(current_time - last_check) < 7 * 24 * 60 * 60:
|
|
pypi_version = state.state["pypi_version"]
|
|
|
|
# Refresh the version if we need to or just see if we need to warn
|
|
if pypi_version is None:
|
|
resp = session.get(
|
|
PyPI.pip_json_url,
|
|
headers={"Accept": "application/json"},
|
|
)
|
|
resp.raise_for_status()
|
|
pypi_version = [
|
|
v for v in sorted(
|
|
list(resp.json()["releases"]),
|
|
key=packaging_version.parse,
|
|
)
|
|
if not packaging_version.parse(v).is_prerelease
|
|
][-1]
|
|
|
|
# save that we've performed a check
|
|
state.save(pypi_version, current_time)
|
|
|
|
remote_version = packaging_version.parse(pypi_version)
|
|
|
|
# Determine if our pypi_version is older
|
|
if (pip_version < remote_version and
|
|
pip_version.base_version != remote_version.base_version):
|
|
# Advise "python -m pip" on Windows to avoid issues
|
|
# with overwriting pip.exe.
|
|
if WINDOWS:
|
|
pip_cmd = "python -m pip"
|
|
else:
|
|
pip_cmd = "pip"
|
|
logger.warning(
|
|
"You are using pip version %s, however version %s is "
|
|
"available.\nYou should consider upgrading via the "
|
|
"'%s install --upgrade pip' command.",
|
|
pip_version, pypi_version, pip_cmd
|
|
)
|
|
|
|
except Exception:
|
|
logger.debug(
|
|
"There was an error checking the latest version of pip",
|
|
exc_info=True,
|
|
)
|