1126 lines
41 KiB
Python
1126 lines
41 KiB
Python
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"""
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Support for installing and building the "wheel" binary package format.
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"""
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from __future__ import absolute_import
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import collections
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import compileall
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import csv
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import hashlib
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import logging
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import os.path
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import re
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import shutil
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import stat
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import sys
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import warnings
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from base64 import urlsafe_b64encode
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from email.parser import Parser
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from pip._vendor import pkg_resources
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from pip._vendor.distlib.scripts import ScriptMaker
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from pip._vendor.packaging.utils import canonicalize_name
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from pip._vendor.six import StringIO
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from pip._internal import pep425tags
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from pip._internal.download import unpack_url
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from pip._internal.exceptions import (
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InstallationError, InvalidWheelFilename, UnsupportedWheel,
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)
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from pip._internal.locations import distutils_scheme
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from pip._internal.models.link import Link
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from pip._internal.utils.logging import indent_log
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from pip._internal.utils.marker_files import PIP_DELETE_MARKER_FILENAME
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from pip._internal.utils.misc import (
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LOG_DIVIDER, call_subprocess, captured_stdout, ensure_dir,
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format_command_args, path_to_url, read_chunks,
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)
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from pip._internal.utils.setuptools_build import make_setuptools_shim_args
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from pip._internal.utils.temp_dir import TempDirectory
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from pip._internal.utils.typing import MYPY_CHECK_RUNNING
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from pip._internal.utils.ui import open_spinner
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if MYPY_CHECK_RUNNING:
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from typing import (
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Dict, List, Optional, Sequence, Mapping, Tuple, IO, Text, Any, Iterable
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)
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from pip._vendor.packaging.requirements import Requirement
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from pip._internal.req.req_install import InstallRequirement
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from pip._internal.download import PipSession
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from pip._internal.index import FormatControl, PackageFinder
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from pip._internal.operations.prepare import (
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RequirementPreparer
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)
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from pip._internal.cache import WheelCache
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from pip._internal.pep425tags import Pep425Tag
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InstalledCSVRow = Tuple[str, ...]
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VERSION_COMPATIBLE = (1, 0)
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logger = logging.getLogger(__name__)
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def normpath(src, p):
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return os.path.relpath(src, p).replace(os.path.sep, '/')
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def hash_file(path, blocksize=1 << 20):
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# type: (str, int) -> Tuple[Any, int]
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"""Return (hash, length) for path using hashlib.sha256()"""
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h = hashlib.sha256()
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length = 0
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with open(path, 'rb') as f:
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for block in read_chunks(f, size=blocksize):
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length += len(block)
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h.update(block)
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return (h, length) # type: ignore
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def rehash(path, blocksize=1 << 20):
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# type: (str, int) -> Tuple[str, str]
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"""Return (encoded_digest, length) for path using hashlib.sha256()"""
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h, length = hash_file(path, blocksize)
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digest = 'sha256=' + urlsafe_b64encode(
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h.digest()
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).decode('latin1').rstrip('=')
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# unicode/str python2 issues
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return (digest, str(length)) # type: ignore
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def open_for_csv(name, mode):
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# type: (str, Text) -> IO
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if sys.version_info[0] < 3:
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nl = {} # type: Dict[str, Any]
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bin = 'b'
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else:
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nl = {'newline': ''} # type: Dict[str, Any]
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bin = ''
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return open(name, mode + bin, **nl)
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def replace_python_tag(wheelname, new_tag):
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# type: (str, str) -> str
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"""Replace the Python tag in a wheel file name with a new value.
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"""
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parts = wheelname.split('-')
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parts[-3] = new_tag
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return '-'.join(parts)
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def fix_script(path):
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# type: (str) -> Optional[bool]
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"""Replace #!python with #!/path/to/python
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Return True if file was changed."""
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# XXX RECORD hashes will need to be updated
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if os.path.isfile(path):
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with open(path, 'rb') as script:
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firstline = script.readline()
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if not firstline.startswith(b'#!python'):
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return False
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exename = sys.executable.encode(sys.getfilesystemencoding())
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firstline = b'#!' + exename + os.linesep.encode("ascii")
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rest = script.read()
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with open(path, 'wb') as script:
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script.write(firstline)
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script.write(rest)
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return True
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return None
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dist_info_re = re.compile(r"""^(?P<namever>(?P<name>.+?)(-(?P<ver>.+?))?)
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\.dist-info$""", re.VERBOSE)
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def root_is_purelib(name, wheeldir):
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# type: (str, str) -> bool
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"""
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Return True if the extracted wheel in wheeldir should go into purelib.
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"""
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name_folded = name.replace("-", "_")
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for item in os.listdir(wheeldir):
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match = dist_info_re.match(item)
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if match and match.group('name') == name_folded:
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with open(os.path.join(wheeldir, item, 'WHEEL')) as wheel:
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for line in wheel:
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line = line.lower().rstrip()
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if line == "root-is-purelib: true":
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return True
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return False
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def get_entrypoints(filename):
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# type: (str) -> Tuple[Dict[str, str], Dict[str, str]]
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if not os.path.exists(filename):
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return {}, {}
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# This is done because you can pass a string to entry_points wrappers which
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# means that they may or may not be valid INI files. The attempt here is to
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# strip leading and trailing whitespace in order to make them valid INI
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# files.
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with open(filename) as fp:
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data = StringIO()
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for line in fp:
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data.write(line.strip())
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data.write("\n")
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data.seek(0)
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# get the entry points and then the script names
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entry_points = pkg_resources.EntryPoint.parse_map(data)
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console = entry_points.get('console_scripts', {})
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gui = entry_points.get('gui_scripts', {})
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def _split_ep(s):
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"""get the string representation of EntryPoint, remove space and split
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on '='"""
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return str(s).replace(" ", "").split("=")
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# convert the EntryPoint objects into strings with module:function
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console = dict(_split_ep(v) for v in console.values())
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gui = dict(_split_ep(v) for v in gui.values())
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return console, gui
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def message_about_scripts_not_on_PATH(scripts):
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# type: (Sequence[str]) -> Optional[str]
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"""Determine if any scripts are not on PATH and format a warning.
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Returns a warning message if one or more scripts are not on PATH,
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otherwise None.
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"""
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if not scripts:
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return None
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# Group scripts by the path they were installed in
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grouped_by_dir = collections.defaultdict(set) # type: Dict[str, set]
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for destfile in scripts:
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parent_dir = os.path.dirname(destfile)
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script_name = os.path.basename(destfile)
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grouped_by_dir[parent_dir].add(script_name)
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# We don't want to warn for directories that are on PATH.
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not_warn_dirs = [
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os.path.normcase(i).rstrip(os.sep) for i in
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os.environ.get("PATH", "").split(os.pathsep)
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]
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# If an executable sits with sys.executable, we don't warn for it.
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# This covers the case of venv invocations without activating the venv.
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not_warn_dirs.append(os.path.normcase(os.path.dirname(sys.executable)))
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warn_for = {
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parent_dir: scripts for parent_dir, scripts in grouped_by_dir.items()
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if os.path.normcase(parent_dir) not in not_warn_dirs
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}
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if not warn_for:
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return None
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# Format a message
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msg_lines = []
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for parent_dir, scripts in warn_for.items():
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sorted_scripts = sorted(scripts) # type: List[str]
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if len(sorted_scripts) == 1:
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start_text = "script {} is".format(sorted_scripts[0])
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else:
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start_text = "scripts {} are".format(
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", ".join(sorted_scripts[:-1]) + " and " + sorted_scripts[-1]
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)
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msg_lines.append(
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"The {} installed in '{}' which is not on PATH."
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.format(start_text, parent_dir)
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)
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last_line_fmt = (
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"Consider adding {} to PATH or, if you prefer "
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"to suppress this warning, use --no-warn-script-location."
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)
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if len(msg_lines) == 1:
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msg_lines.append(last_line_fmt.format("this directory"))
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else:
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msg_lines.append(last_line_fmt.format("these directories"))
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# Returns the formatted multiline message
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return "\n".join(msg_lines)
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def sorted_outrows(outrows):
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# type: (Iterable[InstalledCSVRow]) -> List[InstalledCSVRow]
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"""
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Return the given rows of a RECORD file in sorted order.
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Each row is a 3-tuple (path, hash, size) and corresponds to a record of
|
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a RECORD file (see PEP 376 and PEP 427 for details). For the rows
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passed to this function, the size can be an integer as an int or string,
|
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or the empty string.
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"""
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# Normally, there should only be one row per path, in which case the
|
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# second and third elements don't come into play when sorting.
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# However, in cases in the wild where a path might happen to occur twice,
|
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# we don't want the sort operation to trigger an error (but still want
|
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|
# determinism). Since the third element can be an int or string, we
|
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# coerce each element to a string to avoid a TypeError in this case.
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||
|
# For additional background, see--
|
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# https://github.com/pypa/pip/issues/5868
|
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return sorted(outrows, key=lambda row: tuple(str(x) for x in row))
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|
|
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|
|
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|
def get_csv_rows_for_installed(
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old_csv_rows, # type: Iterable[List[str]]
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installed, # type: Dict[str, str]
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changed, # type: set
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generated, # type: List[str]
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lib_dir, # type: str
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):
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# type: (...) -> List[InstalledCSVRow]
|
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"""
|
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:param installed: A map from archive RECORD path to installation RECORD
|
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path.
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"""
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installed_rows = [] # type: List[InstalledCSVRow]
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for row in old_csv_rows:
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if len(row) > 3:
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logger.warning(
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'RECORD line has more than three elements: {}'.format(row)
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)
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# Make a copy because we are mutating the row.
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row = list(row)
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old_path = row[0]
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new_path = installed.pop(old_path, old_path)
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row[0] = new_path
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if new_path in changed:
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digest, length = rehash(new_path)
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row[1] = digest
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row[2] = length
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installed_rows.append(tuple(row))
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for f in generated:
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digest, length = rehash(f)
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installed_rows.append((normpath(f, lib_dir), digest, str(length)))
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for f in installed:
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installed_rows.append((installed[f], '', ''))
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return installed_rows
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|
|
||
|
|
||
|
def move_wheel_files(
|
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name, # type: str
|
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|
req, # type: Requirement
|
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|
wheeldir, # type: str
|
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|
user=False, # type: bool
|
||
|
home=None, # type: Optional[str]
|
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|
root=None, # type: Optional[str]
|
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pycompile=True, # type: bool
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scheme=None, # type: Optional[Mapping[str, str]]
|
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isolated=False, # type: bool
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prefix=None, # type: Optional[str]
|
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warn_script_location=True # type: bool
|
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|
):
|
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|
# type: (...) -> None
|
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|
"""Install a wheel"""
|
||
|
# TODO: Investigate and break this up.
|
||
|
# TODO: Look into moving this into a dedicated class for representing an
|
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|
# installation.
|
||
|
|
||
|
if not scheme:
|
||
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scheme = distutils_scheme(
|
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|
name, user=user, home=home, root=root, isolated=isolated,
|
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|
prefix=prefix,
|
||
|
)
|
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|
|
||
|
if root_is_purelib(name, wheeldir):
|
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lib_dir = scheme['purelib']
|
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|
else:
|
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|
lib_dir = scheme['platlib']
|
||
|
|
||
|
info_dir = [] # type: List[str]
|
||
|
data_dirs = []
|
||
|
source = wheeldir.rstrip(os.path.sep) + os.path.sep
|
||
|
|
||
|
# Record details of the files moved
|
||
|
# installed = files copied from the wheel to the destination
|
||
|
# changed = files changed while installing (scripts #! line typically)
|
||
|
# generated = files newly generated during the install (script wrappers)
|
||
|
installed = {} # type: Dict[str, str]
|
||
|
changed = set()
|
||
|
generated = [] # type: List[str]
|
||
|
|
||
|
# Compile all of the pyc files that we're going to be installing
|
||
|
if pycompile:
|
||
|
with captured_stdout() as stdout:
|
||
|
with warnings.catch_warnings():
|
||
|
warnings.filterwarnings('ignore')
|
||
|
compileall.compile_dir(source, force=True, quiet=True)
|
||
|
logger.debug(stdout.getvalue())
|
||
|
|
||
|
def record_installed(srcfile, destfile, modified=False):
|
||
|
"""Map archive RECORD paths to installation RECORD paths."""
|
||
|
oldpath = normpath(srcfile, wheeldir)
|
||
|
newpath = normpath(destfile, lib_dir)
|
||
|
installed[oldpath] = newpath
|
||
|
if modified:
|
||
|
changed.add(destfile)
|
||
|
|
||
|
def clobber(source, dest, is_base, fixer=None, filter=None):
|
||
|
ensure_dir(dest) # common for the 'include' path
|
||
|
|
||
|
for dir, subdirs, files in os.walk(source):
|
||
|
basedir = dir[len(source):].lstrip(os.path.sep)
|
||
|
destdir = os.path.join(dest, basedir)
|
||
|
if is_base and basedir.split(os.path.sep, 1)[0].endswith('.data'):
|
||
|
continue
|
||
|
for s in subdirs:
|
||
|
destsubdir = os.path.join(dest, basedir, s)
|
||
|
if is_base and basedir == '' and destsubdir.endswith('.data'):
|
||
|
data_dirs.append(s)
|
||
|
continue
|
||
|
elif (is_base and
|
||
|
s.endswith('.dist-info') and
|
||
|
canonicalize_name(s).startswith(
|
||
|
canonicalize_name(req.name))):
|
||
|
assert not info_dir, ('Multiple .dist-info directories: ' +
|
||
|
destsubdir + ', ' +
|
||
|
', '.join(info_dir))
|
||
|
info_dir.append(destsubdir)
|
||
|
for f in files:
|
||
|
# Skip unwanted files
|
||
|
if filter and filter(f):
|
||
|
continue
|
||
|
srcfile = os.path.join(dir, f)
|
||
|
destfile = os.path.join(dest, basedir, f)
|
||
|
# directory creation is lazy and after the file filtering above
|
||
|
# to ensure we don't install empty dirs; empty dirs can't be
|
||
|
# uninstalled.
|
||
|
ensure_dir(destdir)
|
||
|
|
||
|
# copyfile (called below) truncates the destination if it
|
||
|
# exists and then writes the new contents. This is fine in most
|
||
|
# cases, but can cause a segfault if pip has loaded a shared
|
||
|
# object (e.g. from pyopenssl through its vendored urllib3)
|
||
|
# Since the shared object is mmap'd an attempt to call a
|
||
|
# symbol in it will then cause a segfault. Unlinking the file
|
||
|
# allows writing of new contents while allowing the process to
|
||
|
# continue to use the old copy.
|
||
|
if os.path.exists(destfile):
|
||
|
os.unlink(destfile)
|
||
|
|
||
|
# We use copyfile (not move, copy, or copy2) to be extra sure
|
||
|
# that we are not moving directories over (copyfile fails for
|
||
|
# directories) as well as to ensure that we are not copying
|
||
|
# over any metadata because we want more control over what
|
||
|
# metadata we actually copy over.
|
||
|
shutil.copyfile(srcfile, destfile)
|
||
|
|
||
|
# Copy over the metadata for the file, currently this only
|
||
|
# includes the atime and mtime.
|
||
|
st = os.stat(srcfile)
|
||
|
if hasattr(os, "utime"):
|
||
|
os.utime(destfile, (st.st_atime, st.st_mtime))
|
||
|
|
||
|
# If our file is executable, then make our destination file
|
||
|
# executable.
|
||
|
if os.access(srcfile, os.X_OK):
|
||
|
st = os.stat(srcfile)
|
||
|
permissions = (
|
||
|
st.st_mode | stat.S_IXUSR | stat.S_IXGRP | stat.S_IXOTH
|
||
|
)
|
||
|
os.chmod(destfile, permissions)
|
||
|
|
||
|
changed = False
|
||
|
if fixer:
|
||
|
changed = fixer(destfile)
|
||
|
record_installed(srcfile, destfile, changed)
|
||
|
|
||
|
clobber(source, lib_dir, True)
|
||
|
|
||
|
assert info_dir, "%s .dist-info directory not found" % req
|
||
|
|
||
|
# Get the defined entry points
|
||
|
ep_file = os.path.join(info_dir[0], 'entry_points.txt')
|
||
|
console, gui = get_entrypoints(ep_file)
|
||
|
|
||
|
def is_entrypoint_wrapper(name):
|
||
|
# EP, EP.exe and EP-script.py are scripts generated for
|
||
|
# entry point EP by setuptools
|
||
|
if name.lower().endswith('.exe'):
|
||
|
matchname = name[:-4]
|
||
|
elif name.lower().endswith('-script.py'):
|
||
|
matchname = name[:-10]
|
||
|
elif name.lower().endswith(".pya"):
|
||
|
matchname = name[:-4]
|
||
|
else:
|
||
|
matchname = name
|
||
|
# Ignore setuptools-generated scripts
|
||
|
return (matchname in console or matchname in gui)
|
||
|
|
||
|
for datadir in data_dirs:
|
||
|
fixer = None
|
||
|
filter = None
|
||
|
for subdir in os.listdir(os.path.join(wheeldir, datadir)):
|
||
|
fixer = None
|
||
|
if subdir == 'scripts':
|
||
|
fixer = fix_script
|
||
|
filter = is_entrypoint_wrapper
|
||
|
source = os.path.join(wheeldir, datadir, subdir)
|
||
|
dest = scheme[subdir]
|
||
|
clobber(source, dest, False, fixer=fixer, filter=filter)
|
||
|
|
||
|
maker = ScriptMaker(None, scheme['scripts'])
|
||
|
|
||
|
# Ensure old scripts are overwritten.
|
||
|
# See https://github.com/pypa/pip/issues/1800
|
||
|
maker.clobber = True
|
||
|
|
||
|
# Ensure we don't generate any variants for scripts because this is almost
|
||
|
# never what somebody wants.
|
||
|
# See https://bitbucket.org/pypa/distlib/issue/35/
|
||
|
maker.variants = {''}
|
||
|
|
||
|
# This is required because otherwise distlib creates scripts that are not
|
||
|
# executable.
|
||
|
# See https://bitbucket.org/pypa/distlib/issue/32/
|
||
|
maker.set_mode = True
|
||
|
|
||
|
# Simplify the script and fix the fact that the default script swallows
|
||
|
# every single stack trace.
|
||
|
# See https://bitbucket.org/pypa/distlib/issue/34/
|
||
|
# See https://bitbucket.org/pypa/distlib/issue/33/
|
||
|
def _get_script_text(entry):
|
||
|
if entry.suffix is None:
|
||
|
raise InstallationError(
|
||
|
"Invalid script entry point: %s for req: %s - A callable "
|
||
|
"suffix is required. Cf https://packaging.python.org/en/"
|
||
|
"latest/distributing.html#console-scripts for more "
|
||
|
"information." % (entry, req)
|
||
|
)
|
||
|
return maker.script_template % {
|
||
|
"module": entry.prefix,
|
||
|
"import_name": entry.suffix.split(".")[0],
|
||
|
"func": entry.suffix,
|
||
|
}
|
||
|
# ignore type, because mypy disallows assigning to a method,
|
||
|
# see https://github.com/python/mypy/issues/2427
|
||
|
maker._get_script_text = _get_script_text # type: ignore
|
||
|
maker.script_template = r"""# -*- coding: utf-8 -*-
|
||
|
import re
|
||
|
import sys
|
||
|
|
||
|
from %(module)s import %(import_name)s
|
||
|
|
||
|
if __name__ == '__main__':
|
||
|
sys.argv[0] = re.sub(r'(-script\.pyw?|\.exe)?$', '', sys.argv[0])
|
||
|
sys.exit(%(func)s())
|
||
|
"""
|
||
|
|
||
|
# Special case pip and setuptools to generate versioned wrappers
|
||
|
#
|
||
|
# The issue is that some projects (specifically, pip and setuptools) use
|
||
|
# code in setup.py to create "versioned" entry points - pip2.7 on Python
|
||
|
# 2.7, pip3.3 on Python 3.3, etc. But these entry points are baked into
|
||
|
# the wheel metadata at build time, and so if the wheel is installed with
|
||
|
# a *different* version of Python the entry points will be wrong. The
|
||
|
# correct fix for this is to enhance the metadata to be able to describe
|
||
|
# such versioned entry points, but that won't happen till Metadata 2.0 is
|
||
|
# available.
|
||
|
# In the meantime, projects using versioned entry points will either have
|
||
|
# incorrect versioned entry points, or they will not be able to distribute
|
||
|
# "universal" wheels (i.e., they will need a wheel per Python version).
|
||
|
#
|
||
|
# Because setuptools and pip are bundled with _ensurepip and virtualenv,
|
||
|
# we need to use universal wheels. So, as a stopgap until Metadata 2.0, we
|
||
|
# override the versioned entry points in the wheel and generate the
|
||
|
# correct ones. This code is purely a short-term measure until Metadata 2.0
|
||
|
# is available.
|
||
|
#
|
||
|
# To add the level of hack in this section of code, in order to support
|
||
|
# ensurepip this code will look for an ``ENSUREPIP_OPTIONS`` environment
|
||
|
# variable which will control which version scripts get installed.
|
||
|
#
|
||
|
# ENSUREPIP_OPTIONS=altinstall
|
||
|
# - Only pipX.Y and easy_install-X.Y will be generated and installed
|
||
|
# ENSUREPIP_OPTIONS=install
|
||
|
# - pipX.Y, pipX, easy_install-X.Y will be generated and installed. Note
|
||
|
# that this option is technically if ENSUREPIP_OPTIONS is set and is
|
||
|
# not altinstall
|
||
|
# DEFAULT
|
||
|
# - The default behavior is to install pip, pipX, pipX.Y, easy_install
|
||
|
# and easy_install-X.Y.
|
||
|
pip_script = console.pop('pip', None)
|
||
|
if pip_script:
|
||
|
if "ENSUREPIP_OPTIONS" not in os.environ:
|
||
|
spec = 'pip = ' + pip_script
|
||
|
generated.extend(maker.make(spec))
|
||
|
|
||
|
if os.environ.get("ENSUREPIP_OPTIONS", "") != "altinstall":
|
||
|
spec = 'pip%s = %s' % (sys.version[:1], pip_script)
|
||
|
generated.extend(maker.make(spec))
|
||
|
|
||
|
spec = 'pip%s = %s' % (sys.version[:3], pip_script)
|
||
|
generated.extend(maker.make(spec))
|
||
|
# Delete any other versioned pip entry points
|
||
|
pip_ep = [k for k in console if re.match(r'pip(\d(\.\d)?)?$', k)]
|
||
|
for k in pip_ep:
|
||
|
del console[k]
|
||
|
easy_install_script = console.pop('easy_install', None)
|
||
|
if easy_install_script:
|
||
|
if "ENSUREPIP_OPTIONS" not in os.environ:
|
||
|
spec = 'easy_install = ' + easy_install_script
|
||
|
generated.extend(maker.make(spec))
|
||
|
|
||
|
spec = 'easy_install-%s = %s' % (sys.version[:3], easy_install_script)
|
||
|
generated.extend(maker.make(spec))
|
||
|
# Delete any other versioned easy_install entry points
|
||
|
easy_install_ep = [
|
||
|
k for k in console if re.match(r'easy_install(-\d\.\d)?$', k)
|
||
|
]
|
||
|
for k in easy_install_ep:
|
||
|
del console[k]
|
||
|
|
||
|
# Generate the console and GUI entry points specified in the wheel
|
||
|
if len(console) > 0:
|
||
|
generated_console_scripts = maker.make_multiple(
|
||
|
['%s = %s' % kv for kv in console.items()]
|
||
|
)
|
||
|
generated.extend(generated_console_scripts)
|
||
|
|
||
|
if warn_script_location:
|
||
|
msg = message_about_scripts_not_on_PATH(generated_console_scripts)
|
||
|
if msg is not None:
|
||
|
logger.warning(msg)
|
||
|
|
||
|
if len(gui) > 0:
|
||
|
generated.extend(
|
||
|
maker.make_multiple(
|
||
|
['%s = %s' % kv for kv in gui.items()],
|
||
|
{'gui': True}
|
||
|
)
|
||
|
)
|
||
|
|
||
|
# Record pip as the installer
|
||
|
installer = os.path.join(info_dir[0], 'INSTALLER')
|
||
|
temp_installer = os.path.join(info_dir[0], 'INSTALLER.pip')
|
||
|
with open(temp_installer, 'wb') as installer_file:
|
||
|
installer_file.write(b'pip\n')
|
||
|
shutil.move(temp_installer, installer)
|
||
|
generated.append(installer)
|
||
|
|
||
|
# Record details of all files installed
|
||
|
record = os.path.join(info_dir[0], 'RECORD')
|
||
|
temp_record = os.path.join(info_dir[0], 'RECORD.pip')
|
||
|
with open_for_csv(record, 'r') as record_in:
|
||
|
with open_for_csv(temp_record, 'w+') as record_out:
|
||
|
reader = csv.reader(record_in)
|
||
|
outrows = get_csv_rows_for_installed(
|
||
|
reader, installed=installed, changed=changed,
|
||
|
generated=generated, lib_dir=lib_dir,
|
||
|
)
|
||
|
writer = csv.writer(record_out)
|
||
|
# Sort to simplify testing.
|
||
|
for row in sorted_outrows(outrows):
|
||
|
writer.writerow(row)
|
||
|
shutil.move(temp_record, record)
|
||
|
|
||
|
|
||
|
def wheel_version(source_dir):
|
||
|
# type: (Optional[str]) -> Optional[Tuple[int, ...]]
|
||
|
"""
|
||
|
Return the Wheel-Version of an extracted wheel, if possible.
|
||
|
|
||
|
Otherwise, return None if we couldn't parse / extract it.
|
||
|
"""
|
||
|
try:
|
||
|
dist = [d for d in pkg_resources.find_on_path(None, source_dir)][0]
|
||
|
|
||
|
wheel_data = dist.get_metadata('WHEEL')
|
||
|
wheel_data = Parser().parsestr(wheel_data)
|
||
|
|
||
|
version = wheel_data['Wheel-Version'].strip()
|
||
|
version = tuple(map(int, version.split('.')))
|
||
|
return version
|
||
|
except Exception:
|
||
|
return None
|
||
|
|
||
|
|
||
|
def check_compatibility(version, name):
|
||
|
# type: (Optional[Tuple[int, ...]], str) -> None
|
||
|
"""
|
||
|
Raises errors or warns if called with an incompatible Wheel-Version.
|
||
|
|
||
|
Pip should refuse to install a Wheel-Version that's a major series
|
||
|
ahead of what it's compatible with (e.g 2.0 > 1.1); and warn when
|
||
|
installing a version only minor version ahead (e.g 1.2 > 1.1).
|
||
|
|
||
|
version: a 2-tuple representing a Wheel-Version (Major, Minor)
|
||
|
name: name of wheel or package to raise exception about
|
||
|
|
||
|
:raises UnsupportedWheel: when an incompatible Wheel-Version is given
|
||
|
"""
|
||
|
if not version:
|
||
|
raise UnsupportedWheel(
|
||
|
"%s is in an unsupported or invalid wheel" % name
|
||
|
)
|
||
|
if version[0] > VERSION_COMPATIBLE[0]:
|
||
|
raise UnsupportedWheel(
|
||
|
"%s's Wheel-Version (%s) is not compatible with this version "
|
||
|
"of pip" % (name, '.'.join(map(str, version)))
|
||
|
)
|
||
|
elif version > VERSION_COMPATIBLE:
|
||
|
logger.warning(
|
||
|
'Installing from a newer Wheel-Version (%s)',
|
||
|
'.'.join(map(str, version)),
|
||
|
)
|
||
|
|
||
|
|
||
|
def format_tag(file_tag):
|
||
|
# type: (Tuple[str, ...]) -> str
|
||
|
"""
|
||
|
Format three tags in the form "<python_tag>-<abi_tag>-<platform_tag>".
|
||
|
|
||
|
:param file_tag: A 3-tuple of tags (python_tag, abi_tag, platform_tag).
|
||
|
"""
|
||
|
return '-'.join(file_tag)
|
||
|
|
||
|
|
||
|
class Wheel(object):
|
||
|
"""A wheel file"""
|
||
|
|
||
|
# TODO: Maybe move the class into the models sub-package
|
||
|
# TODO: Maybe move the install code into this class
|
||
|
|
||
|
wheel_file_re = re.compile(
|
||
|
r"""^(?P<namever>(?P<name>.+?)-(?P<ver>.*?))
|
||
|
((-(?P<build>\d[^-]*?))?-(?P<pyver>.+?)-(?P<abi>.+?)-(?P<plat>.+?)
|
||
|
\.whl|\.dist-info)$""",
|
||
|
re.VERBOSE
|
||
|
)
|
||
|
|
||
|
def __init__(self, filename):
|
||
|
# type: (str) -> None
|
||
|
"""
|
||
|
:raises InvalidWheelFilename: when the filename is invalid for a wheel
|
||
|
"""
|
||
|
wheel_info = self.wheel_file_re.match(filename)
|
||
|
if not wheel_info:
|
||
|
raise InvalidWheelFilename(
|
||
|
"%s is not a valid wheel filename." % filename
|
||
|
)
|
||
|
self.filename = filename
|
||
|
self.name = wheel_info.group('name').replace('_', '-')
|
||
|
# we'll assume "_" means "-" due to wheel naming scheme
|
||
|
# (https://github.com/pypa/pip/issues/1150)
|
||
|
self.version = wheel_info.group('ver').replace('_', '-')
|
||
|
self.build_tag = wheel_info.group('build')
|
||
|
self.pyversions = wheel_info.group('pyver').split('.')
|
||
|
self.abis = wheel_info.group('abi').split('.')
|
||
|
self.plats = wheel_info.group('plat').split('.')
|
||
|
|
||
|
# All the tag combinations from this file
|
||
|
self.file_tags = {
|
||
|
(x, y, z) for x in self.pyversions
|
||
|
for y in self.abis for z in self.plats
|
||
|
}
|
||
|
|
||
|
def get_formatted_file_tags(self):
|
||
|
# type: () -> List[str]
|
||
|
"""
|
||
|
Return the wheel's tags as a sorted list of strings.
|
||
|
"""
|
||
|
return sorted(format_tag(tag) for tag in self.file_tags)
|
||
|
|
||
|
def support_index_min(self, tags=None):
|
||
|
# type: (Optional[List[Pep425Tag]]) -> Optional[int]
|
||
|
"""
|
||
|
Return the lowest index that one of the wheel's file_tag combinations
|
||
|
achieves in the supported_tags list e.g. if there are 8 supported tags,
|
||
|
and one of the file tags is first in the list, then return 0. Returns
|
||
|
None is the wheel is not supported.
|
||
|
"""
|
||
|
if tags is None: # for mock
|
||
|
tags = pep425tags.get_supported()
|
||
|
indexes = [tags.index(c) for c in self.file_tags if c in tags]
|
||
|
return min(indexes) if indexes else None
|
||
|
|
||
|
def supported(self, tags=None):
|
||
|
# type: (Optional[List[Pep425Tag]]) -> bool
|
||
|
"""Is this wheel supported on this system?"""
|
||
|
if tags is None: # for mock
|
||
|
tags = pep425tags.get_supported()
|
||
|
return bool(set(tags).intersection(self.file_tags))
|
||
|
|
||
|
|
||
|
def _contains_egg_info(
|
||
|
s, _egg_info_re=re.compile(r'([a-z0-9_.]+)-([a-z0-9_.!+-]+)', re.I)):
|
||
|
"""Determine whether the string looks like an egg_info.
|
||
|
|
||
|
:param s: The string to parse. E.g. foo-2.1
|
||
|
"""
|
||
|
return bool(_egg_info_re.search(s))
|
||
|
|
||
|
|
||
|
def should_use_ephemeral_cache(
|
||
|
req, # type: InstallRequirement
|
||
|
format_control, # type: FormatControl
|
||
|
autobuilding, # type: bool
|
||
|
cache_available # type: bool
|
||
|
):
|
||
|
# type: (...) -> Optional[bool]
|
||
|
"""
|
||
|
Return whether to build an InstallRequirement object using the
|
||
|
ephemeral cache.
|
||
|
|
||
|
:param cache_available: whether a cache directory is available for the
|
||
|
autobuilding=True case.
|
||
|
|
||
|
:return: True or False to build the requirement with ephem_cache=True
|
||
|
or False, respectively; or None not to build the requirement.
|
||
|
"""
|
||
|
if req.constraint:
|
||
|
return None
|
||
|
if req.is_wheel:
|
||
|
if not autobuilding:
|
||
|
logger.info(
|
||
|
'Skipping %s, due to already being wheel.', req.name,
|
||
|
)
|
||
|
return None
|
||
|
if not autobuilding:
|
||
|
return False
|
||
|
|
||
|
if req.editable or not req.source_dir:
|
||
|
return None
|
||
|
|
||
|
if "binary" not in format_control.get_allowed_formats(
|
||
|
canonicalize_name(req.name)):
|
||
|
logger.info(
|
||
|
"Skipping bdist_wheel for %s, due to binaries "
|
||
|
"being disabled for it.", req.name,
|
||
|
)
|
||
|
return None
|
||
|
|
||
|
if req.link and not req.link.is_artifact:
|
||
|
# VCS checkout. Build wheel just for this run.
|
||
|
return True
|
||
|
|
||
|
link = req.link
|
||
|
base, ext = link.splitext()
|
||
|
if cache_available and _contains_egg_info(base):
|
||
|
return False
|
||
|
|
||
|
# Otherwise, build the wheel just for this run using the ephemeral
|
||
|
# cache since we are either in the case of e.g. a local directory, or
|
||
|
# no cache directory is available to use.
|
||
|
return True
|
||
|
|
||
|
|
||
|
def format_command_result(
|
||
|
command_args, # type: List[str]
|
||
|
command_output, # type: str
|
||
|
):
|
||
|
# type: (...) -> str
|
||
|
"""
|
||
|
Format command information for logging.
|
||
|
"""
|
||
|
command_desc = format_command_args(command_args)
|
||
|
text = 'Command arguments: {}\n'.format(command_desc)
|
||
|
|
||
|
if not command_output:
|
||
|
text += 'Command output: None'
|
||
|
elif logger.getEffectiveLevel() > logging.DEBUG:
|
||
|
text += 'Command output: [use --verbose to show]'
|
||
|
else:
|
||
|
if not command_output.endswith('\n'):
|
||
|
command_output += '\n'
|
||
|
text += 'Command output:\n{}{}'.format(command_output, LOG_DIVIDER)
|
||
|
|
||
|
return text
|
||
|
|
||
|
|
||
|
def get_legacy_build_wheel_path(
|
||
|
names, # type: List[str]
|
||
|
temp_dir, # type: str
|
||
|
req, # type: InstallRequirement
|
||
|
command_args, # type: List[str]
|
||
|
command_output, # type: str
|
||
|
):
|
||
|
# type: (...) -> Optional[str]
|
||
|
"""
|
||
|
Return the path to the wheel in the temporary build directory.
|
||
|
"""
|
||
|
# Sort for determinism.
|
||
|
names = sorted(names)
|
||
|
if not names:
|
||
|
msg = (
|
||
|
'Legacy build of wheel for {!r} created no files.\n'
|
||
|
).format(req.name)
|
||
|
msg += format_command_result(command_args, command_output)
|
||
|
logger.warning(msg)
|
||
|
return None
|
||
|
|
||
|
if len(names) > 1:
|
||
|
msg = (
|
||
|
'Legacy build of wheel for {!r} created more than one file.\n'
|
||
|
'Filenames (choosing first): {}\n'
|
||
|
).format(req.name, names)
|
||
|
msg += format_command_result(command_args, command_output)
|
||
|
logger.warning(msg)
|
||
|
|
||
|
return os.path.join(temp_dir, names[0])
|
||
|
|
||
|
|
||
|
class WheelBuilder(object):
|
||
|
"""Build wheels from a RequirementSet."""
|
||
|
|
||
|
def __init__(
|
||
|
self,
|
||
|
finder, # type: PackageFinder
|
||
|
preparer, # type: RequirementPreparer
|
||
|
wheel_cache, # type: WheelCache
|
||
|
build_options=None, # type: Optional[List[str]]
|
||
|
global_options=None, # type: Optional[List[str]]
|
||
|
no_clean=False # type: bool
|
||
|
):
|
||
|
# type: (...) -> None
|
||
|
self.finder = finder
|
||
|
self.preparer = preparer
|
||
|
self.wheel_cache = wheel_cache
|
||
|
|
||
|
self._wheel_dir = preparer.wheel_download_dir
|
||
|
|
||
|
self.build_options = build_options or []
|
||
|
self.global_options = global_options or []
|
||
|
self.no_clean = no_clean
|
||
|
|
||
|
def _build_one(self, req, output_dir, python_tag=None):
|
||
|
"""Build one wheel.
|
||
|
|
||
|
:return: The filename of the built wheel, or None if the build failed.
|
||
|
"""
|
||
|
# Install build deps into temporary directory (PEP 518)
|
||
|
with req.build_env:
|
||
|
return self._build_one_inside_env(req, output_dir,
|
||
|
python_tag=python_tag)
|
||
|
|
||
|
def _build_one_inside_env(self, req, output_dir, python_tag=None):
|
||
|
with TempDirectory(kind="wheel") as temp_dir:
|
||
|
if req.use_pep517:
|
||
|
builder = self._build_one_pep517
|
||
|
else:
|
||
|
builder = self._build_one_legacy
|
||
|
wheel_path = builder(req, temp_dir.path, python_tag=python_tag)
|
||
|
if wheel_path is not None:
|
||
|
wheel_name = os.path.basename(wheel_path)
|
||
|
dest_path = os.path.join(output_dir, wheel_name)
|
||
|
try:
|
||
|
wheel_hash, length = hash_file(wheel_path)
|
||
|
shutil.move(wheel_path, dest_path)
|
||
|
logger.info('Created wheel for %s: '
|
||
|
'filename=%s size=%d sha256=%s',
|
||
|
req.name, wheel_name, length,
|
||
|
wheel_hash.hexdigest())
|
||
|
logger.info('Stored in directory: %s', output_dir)
|
||
|
return dest_path
|
||
|
except Exception:
|
||
|
pass
|
||
|
# Ignore return, we can't do anything else useful.
|
||
|
self._clean_one(req)
|
||
|
return None
|
||
|
|
||
|
def _base_setup_args(self, req):
|
||
|
# NOTE: Eventually, we'd want to also -S to the flags here, when we're
|
||
|
# isolating. Currently, it breaks Python in virtualenvs, because it
|
||
|
# relies on site.py to find parts of the standard library outside the
|
||
|
# virtualenv.
|
||
|
base_cmd = make_setuptools_shim_args(req.setup_py_path,
|
||
|
unbuffered_output=True)
|
||
|
return base_cmd + list(self.global_options)
|
||
|
|
||
|
def _build_one_pep517(self, req, tempd, python_tag=None):
|
||
|
"""Build one InstallRequirement using the PEP 517 build process.
|
||
|
|
||
|
Returns path to wheel if successfully built. Otherwise, returns None.
|
||
|
"""
|
||
|
assert req.metadata_directory is not None
|
||
|
if self.build_options:
|
||
|
# PEP 517 does not support --build-options
|
||
|
logger.error('Cannot build wheel for %s using PEP 517 when '
|
||
|
'--build-options is present' % (req.name,))
|
||
|
return None
|
||
|
try:
|
||
|
req.spin_message = 'Building wheel for %s (PEP 517)' % (req.name,)
|
||
|
logger.debug('Destination directory: %s', tempd)
|
||
|
wheel_name = req.pep517_backend.build_wheel(
|
||
|
tempd,
|
||
|
metadata_directory=req.metadata_directory
|
||
|
)
|
||
|
if python_tag:
|
||
|
# General PEP 517 backends don't necessarily support
|
||
|
# a "--python-tag" option, so we rename the wheel
|
||
|
# file directly.
|
||
|
new_name = replace_python_tag(wheel_name, python_tag)
|
||
|
os.rename(
|
||
|
os.path.join(tempd, wheel_name),
|
||
|
os.path.join(tempd, new_name)
|
||
|
)
|
||
|
# Reassign to simplify the return at the end of function
|
||
|
wheel_name = new_name
|
||
|
except Exception:
|
||
|
logger.error('Failed building wheel for %s', req.name)
|
||
|
return None
|
||
|
return os.path.join(tempd, wheel_name)
|
||
|
|
||
|
def _build_one_legacy(self, req, tempd, python_tag=None):
|
||
|
"""Build one InstallRequirement using the "legacy" build process.
|
||
|
|
||
|
Returns path to wheel if successfully built. Otherwise, returns None.
|
||
|
"""
|
||
|
base_args = self._base_setup_args(req)
|
||
|
|
||
|
spin_message = 'Building wheel for %s (setup.py)' % (req.name,)
|
||
|
with open_spinner(spin_message) as spinner:
|
||
|
logger.debug('Destination directory: %s', tempd)
|
||
|
wheel_args = base_args + ['bdist_wheel', '-d', tempd] \
|
||
|
+ self.build_options
|
||
|
|
||
|
if python_tag is not None:
|
||
|
wheel_args += ["--python-tag", python_tag]
|
||
|
|
||
|
try:
|
||
|
output = call_subprocess(wheel_args, cwd=req.setup_py_dir,
|
||
|
spinner=spinner)
|
||
|
except Exception:
|
||
|
spinner.finish("error")
|
||
|
logger.error('Failed building wheel for %s', req.name)
|
||
|
return None
|
||
|
names = os.listdir(tempd)
|
||
|
wheel_path = get_legacy_build_wheel_path(
|
||
|
names=names,
|
||
|
temp_dir=tempd,
|
||
|
req=req,
|
||
|
command_args=wheel_args,
|
||
|
command_output=output,
|
||
|
)
|
||
|
return wheel_path
|
||
|
|
||
|
def _clean_one(self, req):
|
||
|
base_args = self._base_setup_args(req)
|
||
|
|
||
|
logger.info('Running setup.py clean for %s', req.name)
|
||
|
clean_args = base_args + ['clean', '--all']
|
||
|
try:
|
||
|
call_subprocess(clean_args, cwd=req.source_dir)
|
||
|
return True
|
||
|
except Exception:
|
||
|
logger.error('Failed cleaning build dir for %s', req.name)
|
||
|
return False
|
||
|
|
||
|
def build(
|
||
|
self,
|
||
|
requirements, # type: Iterable[InstallRequirement]
|
||
|
session, # type: PipSession
|
||
|
autobuilding=False # type: bool
|
||
|
):
|
||
|
# type: (...) -> List[InstallRequirement]
|
||
|
"""Build wheels.
|
||
|
|
||
|
:param unpack: If True, replace the sdist we built from with the
|
||
|
newly built wheel, in preparation for installation.
|
||
|
:return: True if all the wheels built correctly.
|
||
|
"""
|
||
|
buildset = []
|
||
|
format_control = self.finder.format_control
|
||
|
# Whether a cache directory is available for autobuilding=True.
|
||
|
cache_available = bool(self._wheel_dir or self.wheel_cache.cache_dir)
|
||
|
|
||
|
for req in requirements:
|
||
|
ephem_cache = should_use_ephemeral_cache(
|
||
|
req, format_control=format_control, autobuilding=autobuilding,
|
||
|
cache_available=cache_available,
|
||
|
)
|
||
|
if ephem_cache is None:
|
||
|
continue
|
||
|
|
||
|
buildset.append((req, ephem_cache))
|
||
|
|
||
|
if not buildset:
|
||
|
return []
|
||
|
|
||
|
# Is any wheel build not using the ephemeral cache?
|
||
|
if any(not ephem_cache for _, ephem_cache in buildset):
|
||
|
have_directory_for_build = self._wheel_dir or (
|
||
|
autobuilding and self.wheel_cache.cache_dir
|
||
|
)
|
||
|
assert have_directory_for_build
|
||
|
|
||
|
# TODO by @pradyunsg
|
||
|
# Should break up this method into 2 separate methods.
|
||
|
|
||
|
# Build the wheels.
|
||
|
logger.info(
|
||
|
'Building wheels for collected packages: %s',
|
||
|
', '.join([req.name for (req, _) in buildset]),
|
||
|
)
|
||
|
_cache = self.wheel_cache # shorter name
|
||
|
with indent_log():
|
||
|
build_success, build_failure = [], []
|
||
|
for req, ephem in buildset:
|
||
|
python_tag = None
|
||
|
if autobuilding:
|
||
|
python_tag = pep425tags.implementation_tag
|
||
|
if ephem:
|
||
|
output_dir = _cache.get_ephem_path_for_link(req.link)
|
||
|
else:
|
||
|
output_dir = _cache.get_path_for_link(req.link)
|
||
|
try:
|
||
|
ensure_dir(output_dir)
|
||
|
except OSError as e:
|
||
|
logger.warning("Building wheel for %s failed: %s",
|
||
|
req.name, e)
|
||
|
build_failure.append(req)
|
||
|
continue
|
||
|
else:
|
||
|
output_dir = self._wheel_dir
|
||
|
wheel_file = self._build_one(
|
||
|
req, output_dir,
|
||
|
python_tag=python_tag,
|
||
|
)
|
||
|
if wheel_file:
|
||
|
build_success.append(req)
|
||
|
if autobuilding:
|
||
|
# XXX: This is mildly duplicative with prepare_files,
|
||
|
# but not close enough to pull out to a single common
|
||
|
# method.
|
||
|
# The code below assumes temporary source dirs -
|
||
|
# prevent it doing bad things.
|
||
|
if req.source_dir and not os.path.exists(os.path.join(
|
||
|
req.source_dir, PIP_DELETE_MARKER_FILENAME)):
|
||
|
raise AssertionError(
|
||
|
"bad source dir - missing marker")
|
||
|
# Delete the source we built the wheel from
|
||
|
req.remove_temporary_source()
|
||
|
# set the build directory again - name is known from
|
||
|
# the work prepare_files did.
|
||
|
req.source_dir = req.build_location(
|
||
|
self.preparer.build_dir
|
||
|
)
|
||
|
# Update the link for this.
|
||
|
req.link = Link(path_to_url(wheel_file))
|
||
|
assert req.link.is_wheel
|
||
|
# extract the wheel into the dir
|
||
|
unpack_url(
|
||
|
req.link, req.source_dir, None, False,
|
||
|
session=session,
|
||
|
)
|
||
|
else:
|
||
|
build_failure.append(req)
|
||
|
|
||
|
# notify success/failure
|
||
|
if build_success:
|
||
|
logger.info(
|
||
|
'Successfully built %s',
|
||
|
' '.join([req.name for req in build_success]),
|
||
|
)
|
||
|
if build_failure:
|
||
|
logger.info(
|
||
|
'Failed to build %s',
|
||
|
' '.join([req.name for req in build_failure]),
|
||
|
)
|
||
|
# Return a list of requirements that failed to build
|
||
|
return build_failure
|