From 68df54d6629ec019142eb149dd037774f2d11e7c Mon Sep 17 00:00:00 2001 From: Shubham Saini Date: Tue, 11 Dec 2018 15:31:23 +0530 Subject: First commit --- .../pip/_internal/utils/outdated.py | 163 +++++++++++++++++++++ 1 file changed, 163 insertions(+) create mode 100644 venv/lib/python3.7/site-packages/pip-10.0.1-py3.7.egg/pip/_internal/utils/outdated.py (limited to 'venv/lib/python3.7/site-packages/pip-10.0.1-py3.7.egg/pip/_internal/utils/outdated.py') diff --git a/venv/lib/python3.7/site-packages/pip-10.0.1-py3.7.egg/pip/_internal/utils/outdated.py b/venv/lib/python3.7/site-packages/pip-10.0.1-py3.7.egg/pip/_internal/utils/outdated.py new file mode 100644 index 0000000..f4572ab --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-10.0.1-py3.7.egg/pip/_internal/utils/outdated.py @@ -0,0 +1,163 @@ +from __future__ import absolute_import + +import datetime +import json +import logging +import os.path +import sys + +from pip._vendor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._internal.compat import WINDOWS +from pip._internal.index import PackageFinder +from pip._internal.locations import USER_CACHE_DIR, running_under_virtualenv +from pip._internal.utils.filesystem import check_path_owner +from pip._internal.utils.misc import ensure_dir, get_installed_version + +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, options): + """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 = 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 (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, + process_dependency_links=options.process_dependency_links, + 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): + # 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, + ) -- cgit v1.2.3