diff options
Diffstat (limited to 'venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/utils/outdated.py')
| -rw-r--r-- | venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/utils/outdated.py | 164 |
1 files changed, 0 insertions, 164 deletions
diff --git a/venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/utils/outdated.py b/venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/utils/outdated.py deleted file mode 100644 index 37c47a4..0000000 --- a/venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_internal/utils/outdated.py +++ /dev/null @@ -1,164 +0,0 @@ -from __future__ import absolute_import - -import datetime -import json -import logging -import os.path -import sys - -from pip._vendor import lockfile, pkg_resources -from pip._vendor.packaging import version as packaging_version - -from pip._internal.index import PackageFinder -from pip._internal.utils.compat import WINDOWS -from pip._internal.utils.filesystem import check_path_owner -from pip._internal.utils.misc import ensure_dir, get_installed_version -from pip._internal.utils.typing import MYPY_CHECK_RUNNING - -if MYPY_CHECK_RUNNING: - import optparse # noqa: F401 - from typing import Any, Dict # noqa: F401 - from pip._internal.download import PipSession # noqa: F401 - - -SELFCHECK_DATE_FMT = "%Y-%m-%dT%H:%M:%SZ" - - -logger = logging.getLogger(__name__) - - -class SelfCheckState(object): - def __init__(self, cache_dir): - # type: (str) -> None - self.state = {} # type: Dict[str, Any] - self.statefile_path = None - - # Try to load the existing state - if cache_dir: - self.statefile_path = os.path.join(cache_dir, "selfcheck.json") - try: - with open(self.statefile_path) as statefile: - self.state = json.load(statefile)[sys.prefix] - except (IOError, ValueError, KeyError): - # Explicitly suppressing exceptions, since we don't want to - # error out if the cache file is invalid. - pass - - def save(self, pypi_version, current_time): - # type: (str, datetime.datetime) -> None - # If we do not have a path to cache in, don't bother saving. - if not self.statefile_path: - return - - # 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 was_installed_by_pip(pkg): - # type: (str) -> bool - """Checks whether pkg was installed by pip - - This is used not to display the upgrade message when pip is in fact - installed by system package manager, such as dnf on Fedora. - """ - try: - dist = pkg_resources.get_distribution(pkg) - return (dist.has_metadata('INSTALLER') and - 'pip' in dist.get_metadata_lines('INSTALLER')) - except pkg_resources.DistributionNotFound: - return False - - -def pip_version_check(session, options): - # type: (PipSession, optparse.Values) -> None - """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 not installed_version: - return - - pip_version = packaging_version.parse(installed_version) - pypi_version = None - - try: - state = SelfCheckState(cache_dir=options.cache_dir) - - 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 (current_time - last_check).total_seconds() < 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: - # Lets use PackageFinder to see what the latest pip version is - finder = PackageFinder( - find_links=options.find_links, - index_urls=[options.index_url] + options.extra_index_urls, - allow_all_prereleases=False, # Explicitly set to False - trusted_hosts=options.trusted_hosts, - session=session, - ) - all_candidates = finder.find_all_candidates("pip") - if not all_candidates: - return - pypi_version = str( - max(all_candidates, key=lambda c: c.version).version - ) - - # 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 and - was_installed_by_pip('pip')): - # 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, - ) |