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Edit File : outdated.py \| Size : 5.85 KB
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_installed_by_pip(): """Checks whether pip 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. """ import pkg_resources try: dist = pkg_resources.get_distribution('pip') return (dist.has_metadata('INSTALLER') and 'pip' in dist.get_metadata_lines('INSTALLER')) except pkg_resources.DistributionNotFound: return False 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 and pip_installed_by_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, ) Back

Edit File : outdated.py | Size : 5.85 KB

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_installed_by_pip():
    """Checks whether pip 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.
    """
    import pkg_resources
    try:
        dist = pkg_resources.get_distribution('pip')
        return (dist.has_metadata('INSTALLER') and
                'pip' in dist.get_metadata_lines('INSTALLER'))
    except pkg_resources.DistributionNotFound:
        return False

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 and
                pip_installed_by_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,
        )

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