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| author | Shubham Saini <shubham6405@gmail.com> | 2018-12-11 10:01:23 +0000 | 
|---|---|---|
| committer | Shubham Saini <shubham6405@gmail.com> | 2018-12-11 10:01:23 +0000 | 
| commit | 68df54d6629ec019142eb149dd037774f2d11e7c (patch) | |
| tree | 345bc22d46b4e01a4ba8303b94278952a4ed2b9e /venv/lib/python3.7/site-packages/pip-10.0.1-py3.7.egg/pip/_internal/utils/outdated.py | |
First commit
Diffstat (limited to 'venv/lib/python3.7/site-packages/pip-10.0.1-py3.7.egg/pip/_internal/utils/outdated.py')
| -rw-r--r-- | venv/lib/python3.7/site-packages/pip-10.0.1-py3.7.egg/pip/_internal/utils/outdated.py | 163 | 
1 files changed, 163 insertions, 0 deletions
diff --git a/venv/lib/python3.7/site-packages/pip-10.0.1-py3.7.egg/pip/_internal/utils/outdated.py b/venv/lib/python3.7/site-packages/pip-10.0.1-py3.7.egg/pip/_internal/utils/outdated.py new file mode 100644 index 0000000..f4572ab --- /dev/null +++ b/venv/lib/python3.7/site-packages/pip-10.0.1-py3.7.egg/pip/_internal/utils/outdated.py  | |||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 @@ | |||
| 1 | from __future__ import absolute_import | ||
| 2 | |||
| 3 | import datetime | ||
| 4 | import json | ||
| 5 | import logging | ||
| 6 | import os.path | ||
| 7 | import sys | ||
| 8 | |||
| 9 | from pip._vendor import lockfile | ||
| 10 | from pip._vendor.packaging import version as packaging_version | ||
| 11 | |||
| 12 | from pip._internal.compat import WINDOWS | ||
| 13 | from pip._internal.index import PackageFinder | ||
| 14 | from pip._internal.locations import USER_CACHE_DIR, running_under_virtualenv | ||
| 15 | from pip._internal.utils.filesystem import check_path_owner | ||
| 16 | from pip._internal.utils.misc import ensure_dir, get_installed_version | ||
| 17 | |||
| 18 | SELFCHECK_DATE_FMT = "%Y-%m-%dT%H:%M:%SZ" | ||
| 19 | |||
| 20 | |||
| 21 | logger = logging.getLogger(__name__) | ||
| 22 | |||
| 23 | |||
| 24 | class VirtualenvSelfCheckState(object): | ||
| 25 | def __init__(self): | ||
| 26 | self.statefile_path = os.path.join(sys.prefix, "pip-selfcheck.json") | ||
| 27 | |||
| 28 | # Load the existing state | ||
| 29 | try: | ||
| 30 | with open(self.statefile_path) as statefile: | ||
| 31 | self.state = json.load(statefile) | ||
| 32 | except (IOError, ValueError): | ||
| 33 | self.state = {} | ||
| 34 | |||
| 35 | def save(self, pypi_version, current_time): | ||
| 36 | # Attempt to write out our version check file | ||
| 37 | with open(self.statefile_path, "w") as statefile: | ||
| 38 | json.dump( | ||
| 39 | { | ||
| 40 | "last_check": current_time.strftime(SELFCHECK_DATE_FMT), | ||
| 41 | "pypi_version": pypi_version, | ||
| 42 | }, | ||
| 43 | statefile, | ||
| 44 | sort_keys=True, | ||
| 45 | separators=(",", ":") | ||
| 46 | ) | ||
| 47 | |||
| 48 | |||
| 49 | class GlobalSelfCheckState(object): | ||
| 50 | def __init__(self): | ||
| 51 | self.statefile_path = os.path.join(USER_CACHE_DIR, "selfcheck.json") | ||
| 52 | |||
| 53 | # Load the existing state | ||
| 54 | try: | ||
| 55 | with open(self.statefile_path) as statefile: | ||
| 56 | self.state = json.load(statefile)[sys.prefix] | ||
| 57 | except (IOError, ValueError, KeyError): | ||
| 58 | self.state = {} | ||
| 59 | |||
| 60 | def save(self, pypi_version, current_time): | ||
| 61 | # Check to make sure that we own the directory | ||
| 62 | if not check_path_owner(os.path.dirname(self.statefile_path)): | ||
| 63 | return | ||
| 64 | |||
| 65 | # Now that we've ensured the directory is owned by this user, we'll go | ||
| 66 | # ahead and make sure that all our directories are created. | ||
| 67 | ensure_dir(os.path.dirname(self.statefile_path)) | ||
| 68 | |||
| 69 | # Attempt to write out our version check file | ||
| 70 | with lockfile.LockFile(self.statefile_path): | ||
| 71 | if os.path.exists(self.statefile_path): | ||
| 72 | with open(self.statefile_path) as statefile: | ||
| 73 | state = json.load(statefile) | ||
| 74 | else: | ||
| 75 | state = {} | ||
| 76 | |||
| 77 | state[sys.prefix] = { | ||
| 78 | "last_check": current_time.strftime(SELFCHECK_DATE_FMT), | ||
| 79 | "pypi_version": pypi_version, | ||
| 80 | } | ||
| 81 | |||
| 82 | with open(self.statefile_path, "w") as statefile: | ||
| 83 | json.dump(state, statefile, sort_keys=True, | ||
| 84 | separators=(",", ":")) | ||
| 85 | |||
| 86 | |||
| 87 | def load_selfcheck_statefile(): | ||
| 88 | if running_under_virtualenv(): | ||
| 89 | return VirtualenvSelfCheckState() | ||
| 90 | else: | ||
| 91 | return GlobalSelfCheckState() | ||
| 92 | |||
| 93 | |||
| 94 | def pip_version_check(session, options): | ||
| 95 | """Check for an update for pip. | ||
| 96 | |||
| 97 | Limit the frequency of checks to once per week. State is stored either in | ||
| 98 | the active virtualenv or in the user's USER_CACHE_DIR keyed off the prefix | ||
| 99 | of the pip script path. | ||
| 100 | """ | ||
| 101 | installed_version = get_installed_version("pip") | ||
| 102 | if not installed_version: | ||
| 103 | return | ||
| 104 | |||
| 105 | pip_version = packaging_version.parse(installed_version) | ||
| 106 | pypi_version = None | ||
| 107 | |||
| 108 | try: | ||
| 109 | state = load_selfcheck_statefile() | ||
| 110 | |||
| 111 | current_time = datetime.datetime.utcnow() | ||
| 112 | # Determine if we need to refresh the state | ||
| 113 | if "last_check" in state.state and "pypi_version" in state.state: | ||
| 114 | last_check = datetime.datetime.strptime( | ||
| 115 | state.state["last_check"], | ||
| 116 | SELFCHECK_DATE_FMT | ||
| 117 | ) | ||
| 118 | if (current_time - last_check).total_seconds() < 7 * 24 * 60 * 60: | ||
| 119 | pypi_version = state.state["pypi_version"] | ||
| 120 | |||
| 121 | # Refresh the version if we need to or just see if we need to warn | ||
| 122 | if pypi_version is None: | ||
| 123 | # Lets use PackageFinder to see what the latest pip version is | ||
| 124 | finder = PackageFinder( | ||
| 125 | find_links=options.find_links, | ||
| 126 | index_urls=[options.index_url] + options.extra_index_urls, | ||
| 127 | allow_all_prereleases=False, # Explicitly set to False | ||
| 128 | trusted_hosts=options.trusted_hosts, | ||
| 129 | process_dependency_links=options.process_dependency_links, | ||
| 130 | session=session, | ||
| 131 | ) | ||
| 132 | all_candidates = finder.find_all_candidates("pip") | ||
| 133 | if not all_candidates: | ||
| 134 | return | ||
| 135 | pypi_version = str( | ||
| 136 | max(all_candidates, key=lambda c: c.version).version | ||
| 137 | ) | ||
| 138 | |||
| 139 | # save that we've performed a check | ||
| 140 | state.save(pypi_version, current_time) | ||
| 141 | |||
| 142 | remote_version = packaging_version.parse(pypi_version) | ||
| 143 | |||
| 144 | # Determine if our pypi_version is older | ||
| 145 | if (pip_version < remote_version and | ||
| 146 | pip_version.base_version != remote_version.base_version): | ||
| 147 | # Advise "python -m pip" on Windows to avoid issues | ||
| 148 | # with overwriting pip.exe. | ||
| 149 | if WINDOWS: | ||
| 150 | pip_cmd = "python -m pip" | ||
| 151 | else: | ||
| 152 | pip_cmd = "pip" | ||
| 153 | logger.warning( | ||
| 154 | "You are using pip version %s, however version %s is " | ||
| 155 | "available.\nYou should consider upgrading via the " | ||
| 156 | "'%s install --upgrade pip' command.", | ||
| 157 | pip_version, pypi_version, pip_cmd | ||
| 158 | ) | ||
| 159 | except Exception: | ||
| 160 | logger.debug( | ||
| 161 | "There was an error checking the latest version of pip", | ||
| 162 | exc_info=True, | ||
| 163 | ) | ||
