217 lines
7.1 KiB
Python
217 lines
7.1 KiB
Python
import os
|
|
import textwrap
|
|
from optparse import Values
|
|
from typing import Any, List
|
|
|
|
import pip._internal.utils.filesystem as filesystem
|
|
from pip._internal.cli.base_command import Command
|
|
from pip._internal.cli.status_codes import ERROR, SUCCESS
|
|
from pip._internal.exceptions import CommandError, PipError
|
|
from pip._internal.utils.logging import getLogger
|
|
|
|
logger = getLogger(__name__)
|
|
|
|
|
|
class CacheCommand(Command):
|
|
"""
|
|
Inspect and manage pip's wheel cache.
|
|
|
|
Subcommands:
|
|
|
|
- dir: Show the cache directory.
|
|
- info: Show information about the cache.
|
|
- list: List filenames of packages stored in the cache.
|
|
- remove: Remove one or more package from the cache.
|
|
- purge: Remove all items from the cache.
|
|
|
|
``<pattern>`` can be a glob expression or a package name.
|
|
"""
|
|
|
|
ignore_require_venv = True
|
|
usage = """
|
|
%prog dir
|
|
%prog info
|
|
%prog list [<pattern>] [--format=[human, abspath]]
|
|
%prog remove <pattern>
|
|
%prog purge
|
|
"""
|
|
|
|
def add_options(self) -> None:
|
|
|
|
self.cmd_opts.add_option(
|
|
'--format',
|
|
action='store',
|
|
dest='list_format',
|
|
default="human",
|
|
choices=('human', 'abspath'),
|
|
help="Select the output format among: human (default) or abspath"
|
|
)
|
|
|
|
self.parser.insert_option_group(0, self.cmd_opts)
|
|
|
|
def run(self, options: Values, args: List[Any]) -> int:
|
|
handlers = {
|
|
"dir": self.get_cache_dir,
|
|
"info": self.get_cache_info,
|
|
"list": self.list_cache_items,
|
|
"remove": self.remove_cache_items,
|
|
"purge": self.purge_cache,
|
|
}
|
|
|
|
if not options.cache_dir:
|
|
logger.error("pip cache commands can not "
|
|
"function since cache is disabled.")
|
|
return ERROR
|
|
|
|
# Determine action
|
|
if not args or args[0] not in handlers:
|
|
logger.error(
|
|
"Need an action (%s) to perform.",
|
|
", ".join(sorted(handlers)),
|
|
)
|
|
return ERROR
|
|
|
|
action = args[0]
|
|
|
|
# Error handling happens here, not in the action-handlers.
|
|
try:
|
|
handlers[action](options, args[1:])
|
|
except PipError as e:
|
|
logger.error(e.args[0])
|
|
return ERROR
|
|
|
|
return SUCCESS
|
|
|
|
def get_cache_dir(self, options: Values, args: List[Any]) -> None:
|
|
if args:
|
|
raise CommandError('Too many arguments')
|
|
|
|
logger.info(options.cache_dir)
|
|
|
|
def get_cache_info(self, options: Values, args: List[Any]) -> None:
|
|
if args:
|
|
raise CommandError('Too many arguments')
|
|
|
|
num_http_files = len(self._find_http_files(options))
|
|
num_packages = len(self._find_wheels(options, '*'))
|
|
|
|
http_cache_location = self._cache_dir(options, 'http')
|
|
wheels_cache_location = self._cache_dir(options, 'wheels')
|
|
http_cache_size = filesystem.format_directory_size(http_cache_location)
|
|
wheels_cache_size = filesystem.format_directory_size(
|
|
wheels_cache_location
|
|
)
|
|
|
|
message = textwrap.dedent("""
|
|
Package index page cache location: {http_cache_location}
|
|
Package index page cache size: {http_cache_size}
|
|
Number of HTTP files: {num_http_files}
|
|
Wheels location: {wheels_cache_location}
|
|
Wheels size: {wheels_cache_size}
|
|
Number of wheels: {package_count}
|
|
""").format(
|
|
http_cache_location=http_cache_location,
|
|
http_cache_size=http_cache_size,
|
|
num_http_files=num_http_files,
|
|
wheels_cache_location=wheels_cache_location,
|
|
package_count=num_packages,
|
|
wheels_cache_size=wheels_cache_size,
|
|
).strip()
|
|
|
|
logger.info(message)
|
|
|
|
def list_cache_items(self, options: Values, args: List[Any]) -> None:
|
|
if len(args) > 1:
|
|
raise CommandError('Too many arguments')
|
|
|
|
if args:
|
|
pattern = args[0]
|
|
else:
|
|
pattern = '*'
|
|
|
|
files = self._find_wheels(options, pattern)
|
|
if options.list_format == 'human':
|
|
self.format_for_human(files)
|
|
else:
|
|
self.format_for_abspath(files)
|
|
|
|
def format_for_human(self, files: List[str]) -> None:
|
|
if not files:
|
|
logger.info('Nothing cached.')
|
|
return
|
|
|
|
results = []
|
|
for filename in files:
|
|
wheel = os.path.basename(filename)
|
|
size = filesystem.format_file_size(filename)
|
|
results.append(f' - {wheel} ({size})')
|
|
logger.info('Cache contents:\n')
|
|
logger.info('\n'.join(sorted(results)))
|
|
|
|
def format_for_abspath(self, files: List[str]) -> None:
|
|
if not files:
|
|
return
|
|
|
|
results = []
|
|
for filename in files:
|
|
results.append(filename)
|
|
|
|
logger.info('\n'.join(sorted(results)))
|
|
|
|
def remove_cache_items(self, options: Values, args: List[Any]) -> None:
|
|
if len(args) > 1:
|
|
raise CommandError('Too many arguments')
|
|
|
|
if not args:
|
|
raise CommandError('Please provide a pattern')
|
|
|
|
files = self._find_wheels(options, args[0])
|
|
|
|
# Only fetch http files if no specific pattern given
|
|
if args[0] == '*':
|
|
files += self._find_http_files(options)
|
|
|
|
if not files:
|
|
raise CommandError('No matching packages')
|
|
|
|
for filename in files:
|
|
os.unlink(filename)
|
|
logger.verbose("Removed %s", filename)
|
|
logger.info("Files removed: %s", len(files))
|
|
|
|
def purge_cache(self, options: Values, args: List[Any]) -> None:
|
|
if args:
|
|
raise CommandError('Too many arguments')
|
|
|
|
return self.remove_cache_items(options, ['*'])
|
|
|
|
def _cache_dir(self, options: Values, subdir: str) -> str:
|
|
return os.path.join(options.cache_dir, subdir)
|
|
|
|
def _find_http_files(self, options: Values) -> List[str]:
|
|
http_dir = self._cache_dir(options, 'http')
|
|
return filesystem.find_files(http_dir, '*')
|
|
|
|
def _find_wheels(self, options: Values, pattern: str) -> List[str]:
|
|
wheel_dir = self._cache_dir(options, 'wheels')
|
|
|
|
# The wheel filename format, as specified in PEP 427, is:
|
|
# {distribution}-{version}(-{build})?-{python}-{abi}-{platform}.whl
|
|
#
|
|
# Additionally, non-alphanumeric values in the distribution are
|
|
# normalized to underscores (_), meaning hyphens can never occur
|
|
# before `-{version}`.
|
|
#
|
|
# Given that information:
|
|
# - If the pattern we're given contains a hyphen (-), the user is
|
|
# providing at least the version. Thus, we can just append `*.whl`
|
|
# to match the rest of it.
|
|
# - If the pattern we're given doesn't contain a hyphen (-), the
|
|
# user is only providing the name. Thus, we append `-*.whl` to
|
|
# match the hyphen before the version, followed by anything else.
|
|
#
|
|
# PEP 427: https://www.python.org/dev/peps/pep-0427/
|
|
pattern = pattern + ("*.whl" if "-" in pattern else "-*.whl")
|
|
|
|
return filesystem.find_files(wheel_dir, pattern)
|