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4c9706bd27
We don't need to open the files in text mode just to create them (or update their modification time).
1448 lines
49 KiB
Python
1448 lines
49 KiB
Python
"""packaging.util
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Miscellaneous utility functions.
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"""
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import errno
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import csv
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import hashlib
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import os
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import sys
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import re
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import shutil
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import string
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import tarfile
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import zipfile
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import posixpath
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import sysconfig
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import subprocess
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from copy import copy
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from glob import iglob as std_iglob
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from fnmatch import fnmatchcase
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from inspect import getsource
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from configparser import RawConfigParser
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from packaging import logger
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from packaging.errors import (PackagingPlatformError, PackagingFileError,
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PackagingByteCompileError, PackagingExecError,
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InstallationException, PackagingInternalError)
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_PLATFORM = None
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_DEFAULT_INSTALLER = 'packaging'
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def newer(source, target):
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"""Tell if the target is newer than the source.
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Returns true if 'source' exists and is more recently modified than
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'target', or if 'source' exists and 'target' doesn't.
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Returns false if both exist and 'target' is the same age or younger
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than 'source'. Raise PackagingFileError if 'source' does not exist.
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Note that this test is not very accurate: files created in the same second
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will have the same "age".
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"""
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if not os.path.exists(source):
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raise PackagingFileError("file '%s' does not exist" %
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os.path.abspath(source))
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if not os.path.exists(target):
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return True
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return os.stat(source).st_mtime > os.stat(target).st_mtime
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def get_platform():
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"""Return a string that identifies the current platform.
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By default, will return the value returned by sysconfig.get_platform(),
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but it can be changed by calling set_platform().
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"""
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global _PLATFORM
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if _PLATFORM is None:
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_PLATFORM = sysconfig.get_platform()
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return _PLATFORM
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def set_platform(identifier):
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"""Set the platform string identifier returned by get_platform().
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Note that this change doesn't impact the value returned by
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sysconfig.get_platform(); it is local to packaging.
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"""
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global _PLATFORM
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_PLATFORM = identifier
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def convert_path(pathname):
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"""Return 'pathname' as a name that will work on the native filesystem.
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The path is split on '/' and put back together again using the current
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directory separator. Needed because filenames in the setup script are
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always supplied in Unix style, and have to be converted to the local
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convention before we can actually use them in the filesystem. Raises
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ValueError on non-Unix-ish systems if 'pathname' either starts or
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ends with a slash.
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"""
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if os.sep == '/':
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return pathname
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if not pathname:
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return pathname
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if pathname[0] == '/':
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raise ValueError("path '%s' cannot be absolute" % pathname)
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if pathname[-1] == '/':
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raise ValueError("path '%s' cannot end with '/'" % pathname)
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paths = pathname.split('/')
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while os.curdir in paths:
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paths.remove(os.curdir)
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if not paths:
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return os.curdir
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return os.path.join(*paths)
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def change_root(new_root, pathname):
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"""Return 'pathname' with 'new_root' prepended.
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If 'pathname' is relative, this is equivalent to
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os.path.join(new_root,pathname). Otherwise, it requires making 'pathname'
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relative and then joining the two, which is tricky on DOS/Windows.
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"""
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if os.name == 'posix':
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if not os.path.isabs(pathname):
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return os.path.join(new_root, pathname)
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else:
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return os.path.join(new_root, pathname[1:])
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elif os.name == 'nt':
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drive, path = os.path.splitdrive(pathname)
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if path[0] == '\\':
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path = path[1:]
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return os.path.join(new_root, path)
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elif os.name == 'os2':
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drive, path = os.path.splitdrive(pathname)
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if path[0] == os.sep:
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path = path[1:]
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return os.path.join(new_root, path)
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else:
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raise PackagingPlatformError("nothing known about "
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"platform '%s'" % os.name)
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_environ_checked = False
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def check_environ():
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"""Ensure that 'os.environ' has all the environment variables needed.
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We guarantee that users can use in config files, command-line options,
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etc. Currently this includes:
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HOME - user's home directory (Unix only)
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PLAT - description of the current platform, including hardware
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and OS (see 'get_platform()')
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"""
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global _environ_checked
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if _environ_checked:
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return
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if os.name == 'posix' and 'HOME' not in os.environ:
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import pwd
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os.environ['HOME'] = pwd.getpwuid(os.getuid())[5]
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if 'PLAT' not in os.environ:
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os.environ['PLAT'] = sysconfig.get_platform()
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_environ_checked = True
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def subst_vars(s, local_vars):
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"""Perform shell/Perl-style variable substitution on 'string'.
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Every occurrence of '$' followed by a name is considered a variable, and
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variable is substituted by the value found in the 'local_vars'
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dictionary, or in 'os.environ' if it's not in 'local_vars'.
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'os.environ' is first checked/augmented to guarantee that it contains
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certain values: see 'check_environ()'. Raise ValueError for any
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variables not found in either 'local_vars' or 'os.environ'.
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"""
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check_environ()
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def _subst(match, local_vars=local_vars):
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var_name = match.group(1)
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if var_name in local_vars:
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return str(local_vars[var_name])
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else:
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return os.environ[var_name]
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try:
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return re.sub(r'\$([a-zA-Z_][a-zA-Z_0-9]*)', _subst, s)
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except KeyError as var:
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raise ValueError("invalid variable '$%s'" % var)
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# Needed by 'split_quoted()'
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_wordchars_re = _squote_re = _dquote_re = None
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def _init_regex():
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global _wordchars_re, _squote_re, _dquote_re
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_wordchars_re = re.compile(r'[^\\\'\"%s ]*' % string.whitespace)
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_squote_re = re.compile(r"'(?:[^'\\]|\\.)*'")
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_dquote_re = re.compile(r'"(?:[^"\\]|\\.)*"')
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def split_quoted(s):
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"""Split a string up according to Unix shell-like rules for quotes and
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backslashes.
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In short: words are delimited by spaces, as long as those
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spaces are not escaped by a backslash, or inside a quoted string.
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Single and double quotes are equivalent, and the quote characters can
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be backslash-escaped. The backslash is stripped from any two-character
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escape sequence, leaving only the escaped character. The quote
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characters are stripped from any quoted string. Returns a list of
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words.
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"""
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# This is a nice algorithm for splitting up a single string, since it
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# doesn't require character-by-character examination. It was a little
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# bit of a brain-bender to get it working right, though...
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if _wordchars_re is None:
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_init_regex()
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s = s.strip()
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words = []
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pos = 0
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while s:
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m = _wordchars_re.match(s, pos)
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end = m.end()
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if end == len(s):
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words.append(s[:end])
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break
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if s[end] in string.whitespace: # unescaped, unquoted whitespace: now
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words.append(s[:end]) # we definitely have a word delimiter
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s = s[end:].lstrip()
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pos = 0
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elif s[end] == '\\': # preserve whatever is being escaped;
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# will become part of the current word
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s = s[:end] + s[end + 1:]
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pos = end + 1
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else:
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if s[end] == "'": # slurp singly-quoted string
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m = _squote_re.match(s, end)
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elif s[end] == '"': # slurp doubly-quoted string
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m = _dquote_re.match(s, end)
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else:
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raise RuntimeError("this can't happen "
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"(bad char '%c')" % s[end])
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if m is None:
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raise ValueError("bad string (mismatched %s quotes?)" % s[end])
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beg, end = m.span()
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s = s[:beg] + s[beg + 1:end - 1] + s[end:]
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pos = m.end() - 2
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if pos >= len(s):
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words.append(s)
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break
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return words
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def execute(func, args, msg=None, verbose=0, dry_run=False):
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"""Perform some action that affects the outside world.
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Some actions (e.g. writing to the filesystem) are special because
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they are disabled by the 'dry_run' flag. This method takes care of all
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that bureaucracy for you; all you have to do is supply the
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function to call and an argument tuple for it (to embody the
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"external action" being performed), and an optional message to
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print.
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"""
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if msg is None:
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msg = "%s%r" % (func.__name__, args)
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if msg[-2:] == ',)': # correct for singleton tuple
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msg = msg[0:-2] + ')'
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logger.info(msg)
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if not dry_run:
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func(*args)
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def strtobool(val):
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"""Convert a string representation of truth to true (1) or false (0).
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True values are 'y', 'yes', 't', 'true', 'on', and '1'; false values
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are 'n', 'no', 'f', 'false', 'off', and '0'. Raises ValueError if
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'val' is anything else.
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"""
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val = val.lower()
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if val in ('y', 'yes', 't', 'true', 'on', '1'):
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return True
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elif val in ('n', 'no', 'f', 'false', 'off', '0'):
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return False
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else:
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raise ValueError("invalid truth value %r" % (val,))
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def byte_compile(py_files, optimize=0, force=False, prefix=None,
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base_dir=None, verbose=0, dry_run=False, direct=None):
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"""Byte-compile a collection of Python source files to either .pyc
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or .pyo files in the same directory.
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'py_files' is a list of files to compile; any files that don't end in
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".py" are silently skipped. 'optimize' must be one of the following:
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0 - don't optimize (generate .pyc)
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1 - normal optimization (like "python -O")
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2 - extra optimization (like "python -OO")
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If 'force' is true, all files are recompiled regardless of
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timestamps.
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The source filename encoded in each bytecode file defaults to the
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filenames listed in 'py_files'; you can modify these with 'prefix' and
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'basedir'. 'prefix' is a string that will be stripped off of each
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source filename, and 'base_dir' is a directory name that will be
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prepended (after 'prefix' is stripped). You can supply either or both
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(or neither) of 'prefix' and 'base_dir', as you wish.
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If 'dry_run' is true, doesn't actually do anything that would
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affect the filesystem.
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Byte-compilation is either done directly in this interpreter process
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with the standard py_compile module, or indirectly by writing a
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temporary script and executing it. Normally, you should let
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'byte_compile()' figure out to use direct compilation or not (see
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the source for details). The 'direct' flag is used by the script
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generated in indirect mode; unless you know what you're doing, leave
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it set to None.
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"""
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# nothing is done if sys.dont_write_bytecode is True
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# FIXME this should not raise an error
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if hasattr(sys, 'dont_write_bytecode') and sys.dont_write_bytecode:
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raise PackagingByteCompileError('byte-compiling is disabled.')
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# First, if the caller didn't force us into direct or indirect mode,
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# figure out which mode we should be in. We take a conservative
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# approach: choose direct mode *only* if the current interpreter is
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# in debug mode and optimize is 0. If we're not in debug mode (-O
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# or -OO), we don't know which level of optimization this
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# interpreter is running with, so we can't do direct
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# byte-compilation and be certain that it's the right thing. Thus,
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# always compile indirectly if the current interpreter is in either
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# optimize mode, or if either optimization level was requested by
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# the caller.
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if direct is None:
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direct = (__debug__ and optimize == 0)
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# "Indirect" byte-compilation: write a temporary script and then
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# run it with the appropriate flags.
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if not direct:
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from tempfile import mkstemp
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# XXX script_fd may leak, use something better than mkstemp
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script_fd, script_name = mkstemp(".py")
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logger.info("writing byte-compilation script '%s'", script_name)
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if not dry_run:
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if script_fd is not None:
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script = os.fdopen(script_fd, "w")
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else:
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script = open(script_name, "w")
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with script:
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script.write("""\
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from packaging.util import byte_compile
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files = [
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""")
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# XXX would be nice to write absolute filenames, just for
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# safety's sake (script should be more robust in the face of
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# chdir'ing before running it). But this requires abspath'ing
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# 'prefix' as well, and that breaks the hack in build_lib's
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# 'byte_compile()' method that carefully tacks on a trailing
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# slash (os.sep really) to make sure the prefix here is "just
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# right". This whole prefix business is rather delicate -- the
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# problem is that it's really a directory, but I'm treating it
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# as a dumb string, so trailing slashes and so forth matter.
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#py_files = map(os.path.abspath, py_files)
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#if prefix:
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# prefix = os.path.abspath(prefix)
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script.write(",\n".join(map(repr, py_files)) + "]\n")
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script.write("""
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byte_compile(files, optimize=%r, force=%r,
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prefix=%r, base_dir=%r,
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verbose=%r, dry_run=False,
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direct=True)
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""" % (optimize, force, prefix, base_dir, verbose))
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cmd = [sys.executable, script_name]
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if optimize == 1:
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cmd.insert(1, "-O")
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elif optimize == 2:
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cmd.insert(1, "-OO")
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env = copy(os.environ)
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env['PYTHONPATH'] = os.path.pathsep.join(sys.path)
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try:
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spawn(cmd, env=env)
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finally:
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execute(os.remove, (script_name,), "removing %s" % script_name,
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dry_run=dry_run)
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# "Direct" byte-compilation: use the py_compile module to compile
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# right here, right now. Note that the script generated in indirect
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# mode simply calls 'byte_compile()' in direct mode, a weird sort of
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# cross-process recursion. Hey, it works!
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else:
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from py_compile import compile
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for file in py_files:
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if file[-3:] != ".py":
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# This lets us be lazy and not filter filenames in
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# the "install_lib" command.
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continue
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# Terminology from the py_compile module:
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# cfile - byte-compiled file
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# dfile - purported source filename (same as 'file' by default)
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cfile = file + (__debug__ and "c" or "o")
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dfile = file
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if prefix:
|
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if file[:len(prefix)] != prefix:
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raise ValueError("invalid prefix: filename %r doesn't "
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"start with %r" % (file, prefix))
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dfile = dfile[len(prefix):]
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if base_dir:
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dfile = os.path.join(base_dir, dfile)
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cfile_base = os.path.basename(cfile)
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if direct:
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if force or newer(file, cfile):
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logger.info("byte-compiling %s to %s", file, cfile_base)
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if not dry_run:
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compile(file, cfile, dfile)
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else:
|
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logger.debug("skipping byte-compilation of %s to %s",
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file, cfile_base)
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|
|
|
|
def rfc822_escape(header):
|
|
"""Return a form of *header* suitable for inclusion in an RFC 822-header.
|
|
|
|
This function ensures there are 8 spaces after each newline.
|
|
"""
|
|
lines = header.split('\n')
|
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sep = '\n' + 8 * ' '
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return sep.join(lines)
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|
|
_RE_VERSION = re.compile('(\d+\.\d+(\.\d+)*)')
|
|
_MAC_OS_X_LD_VERSION = re.compile('^@\(#\)PROGRAM:ld '
|
|
'PROJECT:ld64-((\d+)(\.\d+)*)')
|
|
|
|
|
|
def _find_ld_version():
|
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"""Find the ld version. The version scheme differs under Mac OS X."""
|
|
if sys.platform == 'darwin':
|
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return _find_exe_version('ld -v', _MAC_OS_X_LD_VERSION)
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else:
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return _find_exe_version('ld -v')
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|
|
|
|
def _find_exe_version(cmd, pattern=_RE_VERSION):
|
|
"""Find the version of an executable by running `cmd` in the shell.
|
|
|
|
`pattern` is a compiled regular expression. If not provided, defaults
|
|
to _RE_VERSION. If the command is not found, or the output does not
|
|
match the mattern, returns None.
|
|
"""
|
|
from subprocess import Popen, PIPE
|
|
executable = cmd.split()[0]
|
|
if find_executable(executable) is None:
|
|
return None
|
|
pipe = Popen(cmd, shell=True, stdout=PIPE, stderr=PIPE)
|
|
try:
|
|
stdout, stderr = pipe.stdout.read(), pipe.stderr.read()
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|
finally:
|
|
pipe.stdout.close()
|
|
pipe.stderr.close()
|
|
# some commands like ld under MacOS X, will give the
|
|
# output in the stderr, rather than stdout.
|
|
if stdout != '':
|
|
out_string = stdout
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|
else:
|
|
out_string = stderr
|
|
|
|
result = pattern.search(out_string)
|
|
if result is None:
|
|
return None
|
|
return result.group(1)
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|
|
|
|
|
def get_compiler_versions():
|
|
"""Return a tuple providing the versions of gcc, ld and dllwrap
|
|
|
|
For each command, if a command is not found, None is returned.
|
|
Otherwise a string with the version is returned.
|
|
"""
|
|
gcc = _find_exe_version('gcc -dumpversion')
|
|
ld = _find_ld_version()
|
|
dllwrap = _find_exe_version('dllwrap --version')
|
|
return gcc, ld, dllwrap
|
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|
|
|
|
def newer_group(sources, target, missing='error'):
|
|
"""Return true if 'target' is out-of-date with respect to any file
|
|
listed in 'sources'.
|
|
|
|
In other words, if 'target' exists and is newer
|
|
than every file in 'sources', return false; otherwise return true.
|
|
'missing' controls what we do when a source file is missing; the
|
|
default ("error") is to blow up with an OSError from inside 'stat()';
|
|
if it is "ignore", we silently drop any missing source files; if it is
|
|
"newer", any missing source files make us assume that 'target' is
|
|
out-of-date (this is handy in "dry-run" mode: it'll make you pretend to
|
|
carry out commands that wouldn't work because inputs are missing, but
|
|
that doesn't matter because you're not actually going to run the
|
|
commands).
|
|
"""
|
|
# If the target doesn't even exist, then it's definitely out-of-date.
|
|
if not os.path.exists(target):
|
|
return True
|
|
|
|
# Otherwise we have to find out the hard way: if *any* source file
|
|
# is more recent than 'target', then 'target' is out-of-date and
|
|
# we can immediately return true. If we fall through to the end
|
|
# of the loop, then 'target' is up-to-date and we return false.
|
|
target_mtime = os.stat(target).st_mtime
|
|
|
|
for source in sources:
|
|
if not os.path.exists(source):
|
|
if missing == 'error': # blow up when we stat() the file
|
|
pass
|
|
elif missing == 'ignore': # missing source dropped from
|
|
continue # target's dependency list
|
|
elif missing == 'newer': # missing source means target is
|
|
return True # out-of-date
|
|
|
|
if os.stat(source).st_mtime > target_mtime:
|
|
return True
|
|
|
|
return False
|
|
|
|
|
|
def write_file(filename, contents):
|
|
"""Create *filename* and write *contents* to it.
|
|
|
|
*contents* is a sequence of strings without line terminators.
|
|
"""
|
|
with open(filename, "w") as f:
|
|
for line in contents:
|
|
f.write(line + "\n")
|
|
|
|
|
|
def _is_package(path):
|
|
if not os.path.isdir(path):
|
|
return False
|
|
return os.path.isfile(os.path.join(path, '__init__.py'))
|
|
|
|
|
|
# Code taken from the pip project
|
|
def _is_archive_file(name):
|
|
archives = ('.zip', '.tar.gz', '.tar.bz2', '.tgz', '.tar')
|
|
ext = splitext(name)[1].lower()
|
|
if ext in archives:
|
|
return True
|
|
return False
|
|
|
|
|
|
def _under(path, root):
|
|
path = path.split(os.sep)
|
|
root = root.split(os.sep)
|
|
if len(root) > len(path):
|
|
return False
|
|
for pos, part in enumerate(root):
|
|
if path[pos] != part:
|
|
return False
|
|
return True
|
|
|
|
|
|
def _package_name(root_path, path):
|
|
# Return a dotted package name, given a subpath
|
|
if not _under(path, root_path):
|
|
raise ValueError('"%s" is not a subpath of "%s"' % (path, root_path))
|
|
return path[len(root_path) + 1:].replace(os.sep, '.')
|
|
|
|
|
|
def find_packages(paths=(os.curdir,), exclude=()):
|
|
"""Return a list all Python packages found recursively within
|
|
directories 'paths'
|
|
|
|
'paths' should be supplied as a sequence of "cross-platform"
|
|
(i.e. URL-style) path; it will be converted to the appropriate local
|
|
path syntax.
|
|
|
|
'exclude' is a sequence of package names to exclude; '*' can be used as
|
|
a wildcard in the names, such that 'foo.*' will exclude all subpackages
|
|
of 'foo' (but not 'foo' itself).
|
|
"""
|
|
packages = []
|
|
discarded = []
|
|
|
|
def _discarded(path):
|
|
for discard in discarded:
|
|
if _under(path, discard):
|
|
return True
|
|
return False
|
|
|
|
for path in paths:
|
|
path = convert_path(path)
|
|
for root, dirs, files in os.walk(path):
|
|
for dir_ in dirs:
|
|
fullpath = os.path.join(root, dir_)
|
|
if _discarded(fullpath):
|
|
continue
|
|
# we work only with Python packages
|
|
if not _is_package(fullpath):
|
|
discarded.append(fullpath)
|
|
continue
|
|
# see if it's excluded
|
|
excluded = False
|
|
package_name = _package_name(path, fullpath)
|
|
for pattern in exclude:
|
|
if fnmatchcase(package_name, pattern):
|
|
excluded = True
|
|
break
|
|
if excluded:
|
|
continue
|
|
|
|
# adding it to the list
|
|
packages.append(package_name)
|
|
return packages
|
|
|
|
|
|
def resolve_name(name):
|
|
"""Resolve a name like ``module.object`` to an object and return it.
|
|
|
|
Raise ImportError if the module or name is not found.
|
|
"""
|
|
parts = name.split('.')
|
|
cursor = len(parts)
|
|
module_name = parts[:cursor]
|
|
|
|
while cursor > 0:
|
|
try:
|
|
ret = __import__('.'.join(module_name))
|
|
break
|
|
except ImportError:
|
|
if cursor == 0:
|
|
raise
|
|
cursor -= 1
|
|
module_name = parts[:cursor]
|
|
ret = ''
|
|
|
|
for part in parts[1:]:
|
|
try:
|
|
ret = getattr(ret, part)
|
|
except AttributeError as exc:
|
|
raise ImportError(exc)
|
|
|
|
return ret
|
|
|
|
|
|
def splitext(path):
|
|
"""Like os.path.splitext, but take off .tar too"""
|
|
base, ext = posixpath.splitext(path)
|
|
if base.lower().endswith('.tar'):
|
|
ext = base[-4:] + ext
|
|
base = base[:-4]
|
|
return base, ext
|
|
|
|
|
|
def unzip_file(filename, location, flatten=True):
|
|
"""Unzip the file *filename* into the *location* directory."""
|
|
if not os.path.exists(location):
|
|
os.makedirs(location)
|
|
with open(filename, 'rb') as zipfp:
|
|
zip = zipfile.ZipFile(zipfp)
|
|
leading = has_leading_dir(zip.namelist()) and flatten
|
|
for name in zip.namelist():
|
|
data = zip.read(name)
|
|
fn = name
|
|
if leading:
|
|
fn = split_leading_dir(name)[1]
|
|
fn = os.path.join(location, fn)
|
|
dir = os.path.dirname(fn)
|
|
if not os.path.exists(dir):
|
|
os.makedirs(dir)
|
|
if fn.endswith('/') or fn.endswith('\\'):
|
|
# A directory
|
|
if not os.path.exists(fn):
|
|
os.makedirs(fn)
|
|
else:
|
|
with open(fn, 'wb') as fp:
|
|
fp.write(data)
|
|
|
|
|
|
def untar_file(filename, location):
|
|
"""Untar the file *filename* into the *location* directory."""
|
|
if not os.path.exists(location):
|
|
os.makedirs(location)
|
|
if filename.lower().endswith('.gz') or filename.lower().endswith('.tgz'):
|
|
mode = 'r:gz'
|
|
elif (filename.lower().endswith('.bz2')
|
|
or filename.lower().endswith('.tbz')):
|
|
mode = 'r:bz2'
|
|
elif filename.lower().endswith('.tar'):
|
|
mode = 'r'
|
|
else:
|
|
mode = 'r:*'
|
|
with tarfile.open(filename, mode) as tar:
|
|
leading = has_leading_dir(member.name for member in tar.getmembers())
|
|
for member in tar.getmembers():
|
|
fn = member.name
|
|
if leading:
|
|
fn = split_leading_dir(fn)[1]
|
|
path = os.path.join(location, fn)
|
|
if member.isdir():
|
|
if not os.path.exists(path):
|
|
os.makedirs(path)
|
|
else:
|
|
try:
|
|
fp = tar.extractfile(member)
|
|
except (KeyError, AttributeError):
|
|
# Some corrupt tar files seem to produce this
|
|
# (specifically bad symlinks)
|
|
continue
|
|
try:
|
|
if not os.path.exists(os.path.dirname(path)):
|
|
os.makedirs(os.path.dirname(path))
|
|
with open(path, 'wb') as destfp:
|
|
shutil.copyfileobj(fp, destfp)
|
|
finally:
|
|
fp.close()
|
|
|
|
|
|
def has_leading_dir(paths):
|
|
"""Return true if all the paths have the same leading path name.
|
|
|
|
In other words, check that everything is in one subdirectory in an
|
|
archive.
|
|
"""
|
|
common_prefix = None
|
|
for path in paths:
|
|
prefix, rest = split_leading_dir(path)
|
|
if not prefix:
|
|
return False
|
|
elif common_prefix is None:
|
|
common_prefix = prefix
|
|
elif prefix != common_prefix:
|
|
return False
|
|
return True
|
|
|
|
|
|
def split_leading_dir(path):
|
|
path = str(path)
|
|
path = path.lstrip('/').lstrip('\\')
|
|
if '/' in path and (('\\' in path and path.find('/') < path.find('\\'))
|
|
or '\\' not in path):
|
|
return path.split('/', 1)
|
|
elif '\\' in path:
|
|
return path.split('\\', 1)
|
|
else:
|
|
return path, ''
|
|
|
|
|
|
def spawn(cmd, search_path=True, verbose=0, dry_run=False, env=None):
|
|
"""Run another program specified as a command list 'cmd' in a new process.
|
|
|
|
'cmd' is just the argument list for the new process, ie.
|
|
cmd[0] is the program to run and cmd[1:] are the rest of its arguments.
|
|
There is no way to run a program with a name different from that of its
|
|
executable.
|
|
|
|
If 'search_path' is true (the default), the system's executable
|
|
search path will be used to find the program; otherwise, cmd[0]
|
|
must be the exact path to the executable. If 'dry_run' is true,
|
|
the command will not actually be run.
|
|
|
|
If 'env' is given, it's a environment dictionary used for the execution
|
|
environment.
|
|
|
|
Raise PackagingExecError if running the program fails in any way; just
|
|
return on success.
|
|
"""
|
|
logger.info(' '.join(cmd))
|
|
if dry_run:
|
|
return
|
|
exit_status = subprocess.call(cmd, env=env)
|
|
if exit_status != 0:
|
|
msg = "command '%s' failed with exit status %d"
|
|
raise PackagingExecError(msg % (cmd, exit_status))
|
|
|
|
|
|
def find_executable(executable, path=None):
|
|
"""Try to find 'executable' in the directories listed in 'path'.
|
|
|
|
*path* is a string listing directories separated by 'os.pathsep' and
|
|
defaults to os.environ['PATH']. Returns the complete filename or None
|
|
if not found.
|
|
"""
|
|
if path is None:
|
|
path = os.environ['PATH']
|
|
paths = path.split(os.pathsep)
|
|
base, ext = os.path.splitext(executable)
|
|
|
|
if (sys.platform == 'win32' or os.name == 'os2') and (ext != '.exe'):
|
|
executable = executable + '.exe'
|
|
|
|
if not os.path.isfile(executable):
|
|
for p in paths:
|
|
f = os.path.join(p, executable)
|
|
if os.path.isfile(f):
|
|
# the file exists, we have a shot at spawn working
|
|
return f
|
|
return None
|
|
else:
|
|
return executable
|
|
|
|
|
|
DEFAULT_REPOSITORY = 'http://pypi.python.org/pypi'
|
|
DEFAULT_REALM = 'pypi'
|
|
DEFAULT_PYPIRC = """\
|
|
[distutils]
|
|
index-servers =
|
|
pypi
|
|
|
|
[pypi]
|
|
username:%s
|
|
password:%s
|
|
"""
|
|
|
|
|
|
def get_pypirc_path():
|
|
"""Return path to pypirc config file."""
|
|
return os.path.join(os.path.expanduser('~'), '.pypirc')
|
|
|
|
|
|
def generate_pypirc(username, password):
|
|
"""Create a default .pypirc file."""
|
|
rc = get_pypirc_path()
|
|
with open(rc, 'w') as f:
|
|
f.write(DEFAULT_PYPIRC % (username, password))
|
|
try:
|
|
os.chmod(rc, 0o600)
|
|
except OSError:
|
|
# should do something better here
|
|
pass
|
|
|
|
|
|
def read_pypirc(repository=DEFAULT_REPOSITORY, realm=DEFAULT_REALM):
|
|
"""Read the .pypirc file."""
|
|
rc = get_pypirc_path()
|
|
if os.path.exists(rc):
|
|
config = RawConfigParser()
|
|
config.read(rc)
|
|
sections = config.sections()
|
|
if 'distutils' in sections:
|
|
# let's get the list of servers
|
|
index_servers = config.get('distutils', 'index-servers')
|
|
_servers = [server.strip() for server in
|
|
index_servers.split('\n')
|
|
if server.strip() != '']
|
|
if _servers == []:
|
|
# nothing set, let's try to get the default pypi
|
|
if 'pypi' in sections:
|
|
_servers = ['pypi']
|
|
else:
|
|
# the file is not properly defined, returning
|
|
# an empty dict
|
|
return {}
|
|
for server in _servers:
|
|
current = {'server': server}
|
|
current['username'] = config.get(server, 'username')
|
|
|
|
# optional params
|
|
for key, default in (('repository', DEFAULT_REPOSITORY),
|
|
('realm', DEFAULT_REALM),
|
|
('password', None)):
|
|
if config.has_option(server, key):
|
|
current[key] = config.get(server, key)
|
|
else:
|
|
current[key] = default
|
|
if (current['server'] == repository or
|
|
current['repository'] == repository):
|
|
return current
|
|
elif 'server-login' in sections:
|
|
# old format
|
|
server = 'server-login'
|
|
if config.has_option(server, 'repository'):
|
|
repository = config.get(server, 'repository')
|
|
else:
|
|
repository = DEFAULT_REPOSITORY
|
|
|
|
return {'username': config.get(server, 'username'),
|
|
'password': config.get(server, 'password'),
|
|
'repository': repository,
|
|
'server': server,
|
|
'realm': DEFAULT_REALM}
|
|
|
|
return {}
|
|
|
|
|
|
# utility functions for 2to3 support
|
|
|
|
def run_2to3(files, doctests_only=False, fixer_names=None,
|
|
options=None, explicit=None):
|
|
""" Wrapper function around the refactor() class which
|
|
performs the conversions on a list of python files.
|
|
Invoke 2to3 on a list of Python files. The files should all come
|
|
from the build area, as the modification is done in-place."""
|
|
|
|
#if not files:
|
|
# return
|
|
|
|
# Make this class local, to delay import of 2to3
|
|
from lib2to3.refactor import get_fixers_from_package, RefactoringTool
|
|
fixers = []
|
|
fixers = get_fixers_from_package('lib2to3.fixes')
|
|
|
|
if fixer_names:
|
|
for fixername in fixer_names:
|
|
fixers.extend(fixer for fixer in
|
|
get_fixers_from_package(fixername))
|
|
r = RefactoringTool(fixers, options=options)
|
|
r.refactor(files, write=True, doctests_only=doctests_only)
|
|
|
|
|
|
class Mixin2to3:
|
|
""" Wrapper class for commands that run 2to3.
|
|
To configure 2to3, setup scripts may either change
|
|
the class variables, or inherit from this class
|
|
to override how 2to3 is invoked.
|
|
"""
|
|
# provide list of fixers to run.
|
|
# defaults to all from lib2to3.fixers
|
|
fixer_names = None
|
|
|
|
# options dictionary
|
|
options = None
|
|
|
|
# list of fixers to invoke even though they are marked as explicit
|
|
explicit = None
|
|
|
|
def run_2to3(self, files, doctests_only=False):
|
|
""" Issues a call to util.run_2to3. """
|
|
return run_2to3(files, doctests_only, self.fixer_names,
|
|
self.options, self.explicit)
|
|
|
|
RICH_GLOB = re.compile(r'\{([^}]*)\}')
|
|
_CHECK_RECURSIVE_GLOB = re.compile(r'[^/,{]\*\*|\*\*[^/,}]')
|
|
_CHECK_MISMATCH_SET = re.compile(r'^[^{]*\}|\{[^}]*$')
|
|
|
|
|
|
def iglob(path_glob):
|
|
"""Extended globbing function that supports ** and {opt1,opt2,opt3}."""
|
|
if _CHECK_RECURSIVE_GLOB.search(path_glob):
|
|
msg = """invalid glob %r: recursive glob "**" must be used alone"""
|
|
raise ValueError(msg % path_glob)
|
|
if _CHECK_MISMATCH_SET.search(path_glob):
|
|
msg = """invalid glob %r: mismatching set marker '{' or '}'"""
|
|
raise ValueError(msg % path_glob)
|
|
return _iglob(path_glob)
|
|
|
|
|
|
def _iglob(path_glob):
|
|
rich_path_glob = RICH_GLOB.split(path_glob, 1)
|
|
if len(rich_path_glob) > 1:
|
|
assert len(rich_path_glob) == 3, rich_path_glob
|
|
prefix, set, suffix = rich_path_glob
|
|
for item in set.split(','):
|
|
for path in _iglob(''.join((prefix, item, suffix))):
|
|
yield path
|
|
else:
|
|
if '**' not in path_glob:
|
|
for item in std_iglob(path_glob):
|
|
yield item
|
|
else:
|
|
prefix, radical = path_glob.split('**', 1)
|
|
if prefix == '':
|
|
prefix = '.'
|
|
if radical == '':
|
|
radical = '*'
|
|
else:
|
|
radical = radical.lstrip('/')
|
|
for path, dir, files in os.walk(prefix):
|
|
path = os.path.normpath(path)
|
|
for file in _iglob(os.path.join(path, radical)):
|
|
yield file
|
|
|
|
|
|
def cfg_to_args(path='setup.cfg'):
|
|
"""Compatibility helper to use setup.cfg in setup.py.
|
|
|
|
This functions uses an existing setup.cfg to generate a dictionnary of
|
|
keywords that can be used by distutils.core.setup(**kwargs). It is used
|
|
by generate_setup_py.
|
|
|
|
*file* is the path to the setup.cfg file. If it doesn't exist,
|
|
PackagingFileError is raised.
|
|
"""
|
|
# We need to declare the following constants here so that it's easier to
|
|
# generate the setup.py afterwards, using inspect.getsource.
|
|
|
|
# XXX ** == needs testing
|
|
D1_D2_SETUP_ARGS = {"name": ("metadata",),
|
|
"version": ("metadata",),
|
|
"author": ("metadata",),
|
|
"author_email": ("metadata",),
|
|
"maintainer": ("metadata",),
|
|
"maintainer_email": ("metadata",),
|
|
"url": ("metadata", "home_page"),
|
|
"description": ("metadata", "summary"),
|
|
"long_description": ("metadata", "description"),
|
|
"download-url": ("metadata",),
|
|
"classifiers": ("metadata", "classifier"),
|
|
"platforms": ("metadata", "platform"), # **
|
|
"license": ("metadata",),
|
|
"requires": ("metadata", "requires_dist"),
|
|
"provides": ("metadata", "provides_dist"), # **
|
|
"obsoletes": ("metadata", "obsoletes_dist"), # **
|
|
"packages": ("files",),
|
|
"scripts": ("files",),
|
|
"py_modules": ("files", "modules"), # **
|
|
}
|
|
|
|
MULTI_FIELDS = ("classifiers",
|
|
"requires",
|
|
"platforms",
|
|
"packages",
|
|
"scripts")
|
|
|
|
def has_get_option(config, section, option):
|
|
if config.has_option(section, option):
|
|
return config.get(section, option)
|
|
elif config.has_option(section, option.replace('_', '-')):
|
|
return config.get(section, option.replace('_', '-'))
|
|
else:
|
|
return False
|
|
|
|
# The real code starts here
|
|
config = RawConfigParser()
|
|
if not os.path.exists(file):
|
|
raise PackagingFileError("file '%s' does not exist" %
|
|
os.path.abspath(file))
|
|
config.read(path)
|
|
|
|
kwargs = {}
|
|
for arg in D1_D2_SETUP_ARGS:
|
|
if len(D1_D2_SETUP_ARGS[arg]) == 2:
|
|
# The distutils field name is different than packaging's
|
|
section, option = D1_D2_SETUP_ARGS[arg]
|
|
|
|
else:
|
|
# The distutils field name is the same thant packaging's
|
|
section = D1_D2_SETUP_ARGS[arg][0]
|
|
option = arg
|
|
|
|
in_cfg_value = has_get_option(config, section, option)
|
|
if not in_cfg_value:
|
|
# There is no such option in the setup.cfg
|
|
if arg == "long_description":
|
|
filename = has_get_option(config, section, "description_file")
|
|
if filename:
|
|
with open(filename) as fp:
|
|
in_cfg_value = fp.read()
|
|
else:
|
|
continue
|
|
|
|
if arg in MULTI_FIELDS:
|
|
# support multiline options
|
|
in_cfg_value = in_cfg_value.strip().split('\n')
|
|
|
|
kwargs[arg] = in_cfg_value
|
|
|
|
return kwargs
|
|
|
|
|
|
_SETUP_TMPL = """\
|
|
# This script was automatically generated by packaging
|
|
import os
|
|
from distutils.core import setup
|
|
from ConfigParser import RawConfigParser
|
|
|
|
%(func)s
|
|
|
|
setup(**cfg_to_args())
|
|
"""
|
|
|
|
|
|
def generate_setup_py():
|
|
"""Generate a distutils compatible setup.py using an existing setup.cfg.
|
|
|
|
Raises a PackagingFileError when a setup.py already exists.
|
|
"""
|
|
if os.path.exists("setup.py"):
|
|
raise PackagingFileError("a setup.py file alreadyexists")
|
|
|
|
with open("setup.py", "w") as fp:
|
|
fp.write(_SETUP_TMPL % {'func': getsource(cfg_to_args)})
|
|
|
|
|
|
# Taken from the pip project
|
|
# https://github.com/pypa/pip/blob/master/pip/util.py
|
|
def ask(message, options):
|
|
"""Prompt the user with *message*; *options* contains allowed responses."""
|
|
while True:
|
|
response = input(message)
|
|
response = response.strip().lower()
|
|
if response not in options:
|
|
print('invalid response: %r' % response)
|
|
print('choose one of', ', '.join(repr(o) for o in options))
|
|
else:
|
|
return response
|
|
|
|
|
|
def _parse_record_file(record_file):
|
|
distinfo, extra_metadata, installed = ({}, [], [])
|
|
with open(record_file, 'r') as rfile:
|
|
for path in rfile:
|
|
path = path.strip()
|
|
if path.endswith('egg-info') and os.path.isfile(path):
|
|
distinfo_dir = path.replace('egg-info', 'dist-info')
|
|
metadata = path
|
|
egginfo = path
|
|
elif path.endswith('egg-info') and os.path.isdir(path):
|
|
distinfo_dir = path.replace('egg-info', 'dist-info')
|
|
egginfo = path
|
|
for metadata_file in os.listdir(path):
|
|
metadata_fpath = os.path.join(path, metadata_file)
|
|
if metadata_file == 'PKG-INFO':
|
|
metadata = metadata_fpath
|
|
else:
|
|
extra_metadata.append(metadata_fpath)
|
|
elif 'egg-info' in path and os.path.isfile(path):
|
|
# skip extra metadata files
|
|
continue
|
|
else:
|
|
installed.append(path)
|
|
|
|
distinfo['egginfo'] = egginfo
|
|
distinfo['metadata'] = metadata
|
|
distinfo['distinfo_dir'] = distinfo_dir
|
|
distinfo['installer_path'] = os.path.join(distinfo_dir, 'INSTALLER')
|
|
distinfo['metadata_path'] = os.path.join(distinfo_dir, 'METADATA')
|
|
distinfo['record_path'] = os.path.join(distinfo_dir, 'RECORD')
|
|
distinfo['requested_path'] = os.path.join(distinfo_dir, 'REQUESTED')
|
|
installed.extend([distinfo['installer_path'], distinfo['metadata_path']])
|
|
distinfo['installed'] = installed
|
|
distinfo['extra_metadata'] = extra_metadata
|
|
return distinfo
|
|
|
|
|
|
def _write_record_file(record_path, installed_files):
|
|
with open(record_path, 'w', encoding='utf-8') as f:
|
|
writer = csv.writer(f, delimiter=',', lineterminator=os.linesep,
|
|
quotechar='"')
|
|
|
|
for fpath in installed_files:
|
|
if fpath.endswith('.pyc') or fpath.endswith('.pyo'):
|
|
# do not put size and md5 hash, as in PEP-376
|
|
writer.writerow((fpath, '', ''))
|
|
else:
|
|
hash = hashlib.md5()
|
|
with open(fpath, 'rb') as fp:
|
|
hash.update(fp.read())
|
|
md5sum = hash.hexdigest()
|
|
size = os.path.getsize(fpath)
|
|
writer.writerow((fpath, md5sum, size))
|
|
|
|
# add the RECORD file itself
|
|
writer.writerow((record_path, '', ''))
|
|
return record_path
|
|
|
|
|
|
def egginfo_to_distinfo(record_file, installer=_DEFAULT_INSTALLER,
|
|
requested=False, remove_egginfo=False):
|
|
"""Create files and directories required for PEP 376
|
|
|
|
:param record_file: path to RECORD file as produced by setup.py --record
|
|
:param installer: installer name
|
|
:param requested: True if not installed as a dependency
|
|
:param remove_egginfo: delete egginfo dir?
|
|
"""
|
|
distinfo = _parse_record_file(record_file)
|
|
distinfo_dir = distinfo['distinfo_dir']
|
|
if os.path.isdir(distinfo_dir) and not os.path.islink(distinfo_dir):
|
|
shutil.rmtree(distinfo_dir)
|
|
elif os.path.exists(distinfo_dir):
|
|
os.unlink(distinfo_dir)
|
|
|
|
os.makedirs(distinfo_dir)
|
|
|
|
# copy setuptools extra metadata files
|
|
if distinfo['extra_metadata']:
|
|
for path in distinfo['extra_metadata']:
|
|
shutil.copy2(path, distinfo_dir)
|
|
new_path = path.replace('egg-info', 'dist-info')
|
|
distinfo['installed'].append(new_path)
|
|
|
|
metadata_path = distinfo['metadata_path']
|
|
logger.info('creating %s', metadata_path)
|
|
shutil.copy2(distinfo['metadata'], metadata_path)
|
|
|
|
installer_path = distinfo['installer_path']
|
|
logger.info('creating %s', installer_path)
|
|
with open(installer_path, 'w') as f:
|
|
f.write(installer)
|
|
|
|
if requested:
|
|
requested_path = distinfo['requested_path']
|
|
logger.info('creating %s', requested_path)
|
|
open(requested_path, 'wb').close()
|
|
distinfo['installed'].append(requested_path)
|
|
|
|
record_path = distinfo['record_path']
|
|
logger.info('creating %s', record_path)
|
|
_write_record_file(record_path, distinfo['installed'])
|
|
|
|
if remove_egginfo:
|
|
egginfo = distinfo['egginfo']
|
|
logger.info('removing %s', egginfo)
|
|
if os.path.isfile(egginfo):
|
|
os.remove(egginfo)
|
|
else:
|
|
shutil.rmtree(egginfo)
|
|
|
|
|
|
def _has_egg_info(srcdir):
|
|
if os.path.isdir(srcdir):
|
|
for item in os.listdir(srcdir):
|
|
full_path = os.path.join(srcdir, item)
|
|
if item.endswith('.egg-info') and os.path.isdir(full_path):
|
|
logger.info("found egg-info directory")
|
|
return True
|
|
logger.warning("no egg-info directory found")
|
|
return False
|
|
|
|
|
|
def _has_setuptools_text(setup_py):
|
|
return _has_text(setup_py, 'setuptools')
|
|
|
|
|
|
def _has_distutils_text(setup_py):
|
|
return _has_text(setup_py, 'distutils')
|
|
|
|
|
|
def _has_text(setup_py, installer):
|
|
installer_pattern = re.compile('import {0}|from {0}'.format(installer))
|
|
with open(setup_py, 'r', encoding='utf-8') as setup:
|
|
for line in setup:
|
|
if re.search(installer_pattern, line):
|
|
logger.info("found %s text in setup.py", installer)
|
|
return True
|
|
logger.warning("no %s text found in setup.py", installer)
|
|
return False
|
|
|
|
|
|
def _has_required_metadata(setup_cfg):
|
|
config = RawConfigParser()
|
|
config.read([setup_cfg], encoding='utf8')
|
|
return (config.has_section('metadata') and
|
|
'name' in config.options('metadata') and
|
|
'version' in config.options('metadata'))
|
|
|
|
|
|
def _has_pkg_info(srcdir):
|
|
pkg_info = os.path.join(srcdir, 'PKG-INFO')
|
|
has_pkg_info = os.path.isfile(pkg_info)
|
|
if has_pkg_info:
|
|
logger.info("PKG-INFO file found")
|
|
logger.warning("no PKG-INFO file found")
|
|
return has_pkg_info
|
|
|
|
|
|
def _has_setup_py(srcdir):
|
|
setup_py = os.path.join(srcdir, 'setup.py')
|
|
if os.path.isfile(setup_py):
|
|
logger.info('setup.py file found')
|
|
return True
|
|
return False
|
|
|
|
|
|
def _has_setup_cfg(srcdir):
|
|
setup_cfg = os.path.join(srcdir, 'setup.cfg')
|
|
if os.path.isfile(setup_cfg):
|
|
logger.info('setup.cfg file found')
|
|
return True
|
|
logger.warning("no setup.cfg file found")
|
|
return False
|
|
|
|
|
|
def is_setuptools(path):
|
|
"""Check if the project is based on setuptools.
|
|
|
|
:param path: path to source directory containing a setup.py script.
|
|
|
|
Return True if the project requires setuptools to install, else False.
|
|
"""
|
|
srcdir = os.path.abspath(path)
|
|
setup_py = os.path.join(srcdir, 'setup.py')
|
|
|
|
return _has_setup_py(srcdir) and (_has_egg_info(srcdir) or
|
|
_has_setuptools_text(setup_py))
|
|
|
|
|
|
def is_distutils(path):
|
|
"""Check if the project is based on distutils.
|
|
|
|
:param path: path to source directory containing a setup.py script.
|
|
|
|
Return True if the project requires distutils to install, else False.
|
|
"""
|
|
srcdir = os.path.abspath(path)
|
|
setup_py = os.path.join(srcdir, 'setup.py')
|
|
|
|
return _has_setup_py(srcdir) and (_has_pkg_info(srcdir) or
|
|
_has_distutils_text(setup_py))
|
|
|
|
|
|
def is_packaging(path):
|
|
"""Check if the project is based on packaging
|
|
|
|
:param path: path to source directory containing a setup.cfg file.
|
|
|
|
Return True if the project has a valid setup.cfg, else False.
|
|
"""
|
|
srcdir = os.path.abspath(path)
|
|
setup_cfg = os.path.join(srcdir, 'setup.cfg')
|
|
|
|
return _has_setup_cfg(srcdir) and _has_required_metadata(setup_cfg)
|
|
|
|
|
|
def get_install_method(path):
|
|
"""Check if the project is based on packaging, setuptools, or distutils
|
|
|
|
:param path: path to source directory containing a setup.cfg file,
|
|
or setup.py.
|
|
|
|
Returns a string representing the best install method to use.
|
|
"""
|
|
if is_packaging(path):
|
|
return "packaging"
|
|
elif is_setuptools(path):
|
|
return "setuptools"
|
|
elif is_distutils(path):
|
|
return "distutils"
|
|
else:
|
|
raise InstallationException('Cannot detect install method')
|
|
|
|
|
|
# XXX to be replaced by shutil.copytree
|
|
def copy_tree(src, dst, preserve_mode=True, preserve_times=True,
|
|
preserve_symlinks=False, update=False, verbose=True,
|
|
dry_run=False):
|
|
from distutils.file_util import copy_file
|
|
|
|
if not dry_run and not os.path.isdir(src):
|
|
raise PackagingFileError(
|
|
"cannot copy tree '%s': not a directory" % src)
|
|
try:
|
|
names = os.listdir(src)
|
|
except os.error as e:
|
|
errstr = e[1]
|
|
if dry_run:
|
|
names = []
|
|
else:
|
|
raise PackagingFileError(
|
|
"error listing files in '%s': %s" % (src, errstr))
|
|
|
|
if not dry_run:
|
|
_mkpath(dst, verbose=verbose)
|
|
|
|
outputs = []
|
|
|
|
for n in names:
|
|
src_name = os.path.join(src, n)
|
|
dst_name = os.path.join(dst, n)
|
|
|
|
if preserve_symlinks and os.path.islink(src_name):
|
|
link_dest = os.readlink(src_name)
|
|
if verbose >= 1:
|
|
logger.info("linking %s -> %s", dst_name, link_dest)
|
|
if not dry_run:
|
|
os.symlink(link_dest, dst_name)
|
|
outputs.append(dst_name)
|
|
|
|
elif os.path.isdir(src_name):
|
|
outputs.extend(
|
|
copy_tree(src_name, dst_name, preserve_mode,
|
|
preserve_times, preserve_symlinks, update,
|
|
verbose=verbose, dry_run=dry_run))
|
|
else:
|
|
copy_file(src_name, dst_name, preserve_mode,
|
|
preserve_times, update, verbose=verbose,
|
|
dry_run=dry_run)
|
|
outputs.append(dst_name)
|
|
|
|
return outputs
|
|
|
|
# cache for by mkpath() -- in addition to cheapening redundant calls,
|
|
# eliminates redundant "creating /foo/bar/baz" messages in dry-run mode
|
|
_path_created = set()
|
|
|
|
|
|
# I don't use os.makedirs because a) it's new to Python 1.5.2, and
|
|
# b) it blows up if the directory already exists (I want to silently
|
|
# succeed in that case).
|
|
def _mkpath(name, mode=0o777, verbose=True, dry_run=False):
|
|
# Detect a common bug -- name is None
|
|
if not isinstance(name, str):
|
|
raise PackagingInternalError(
|
|
"mkpath: 'name' must be a string (got %r)" % (name,))
|
|
|
|
# XXX what's the better way to handle verbosity? print as we create
|
|
# each directory in the path (the current behaviour), or only announce
|
|
# the creation of the whole path? (quite easy to do the latter since
|
|
# we're not using a recursive algorithm)
|
|
|
|
name = os.path.normpath(name)
|
|
created_dirs = []
|
|
if os.path.isdir(name) or name == '':
|
|
return created_dirs
|
|
if os.path.abspath(name) in _path_created:
|
|
return created_dirs
|
|
|
|
head, tail = os.path.split(name)
|
|
tails = [tail] # stack of lone dirs to create
|
|
|
|
while head and tail and not os.path.isdir(head):
|
|
head, tail = os.path.split(head)
|
|
tails.insert(0, tail) # push next higher dir onto stack
|
|
|
|
# now 'head' contains the deepest directory that already exists
|
|
# (that is, the child of 'head' in 'name' is the highest directory
|
|
# that does *not* exist)
|
|
for d in tails:
|
|
head = os.path.join(head, d)
|
|
abs_head = os.path.abspath(head)
|
|
|
|
if abs_head in _path_created:
|
|
continue
|
|
|
|
if verbose >= 1:
|
|
logger.info("creating %s", head)
|
|
|
|
if not dry_run:
|
|
try:
|
|
os.mkdir(head, mode)
|
|
except OSError as exc:
|
|
if not (exc.errno == errno.EEXIST and os.path.isdir(head)):
|
|
raise PackagingFileError(
|
|
"could not create '%s': %s" % (head, exc.args[-1]))
|
|
created_dirs.append(head)
|
|
|
|
_path_created.add(abs_head)
|
|
return created_dirs
|