INSTRUCTION stringlengths 1 8.43k | RESPONSE stringlengths 75 104k |
|---|---|
Fetch an egg needed for building | def fetch_build_egg(self, req):
"""Fetch an egg needed for building"""
from setuptools.command.easy_install import easy_install
dist = self.__class__({'script_args': ['easy_install']})
opts = dist.get_option_dict('easy_install')
opts.clear()
opts.update(
(k, v... |
Add -- with - X/ -- without - X options based on optional features | def _set_global_opts_from_features(self):
"""Add --with-X/--without-X options based on optional features"""
go = []
no = self.negative_opt.copy()
for name, feature in self.features.items():
self._set_feature(name, None)
feature.validate(self)
if fea... |
Add/ remove features and resolve dependencies between them | def _finalize_features(self):
"""Add/remove features and resolve dependencies between them"""
# First, flag all the enabled items (and thus their dependencies)
for name, feature in self.features.items():
enabled = self.feature_is_included(name)
if enabled or (enabled is ... |
Pluggable version of get_command_class () | def get_command_class(self, command):
"""Pluggable version of get_command_class()"""
if command in self.cmdclass:
return self.cmdclass[command]
eps = pkg_resources.iter_entry_points('distutils.commands', command)
for ep in eps:
ep.require(installer=self.fetch_bui... |
Set feature s inclusion status | def _set_feature(self, name, status):
"""Set feature's inclusion status"""
setattr(self, self._feature_attrname(name), status) |
Request inclusion of feature named name | def include_feature(self, name):
"""Request inclusion of feature named 'name'"""
if self.feature_is_included(name) == 0:
descr = self.features[name].description
raise DistutilsOptionError(
descr + " is required, but was excluded or is not available"
)... |
Add items to distribution that are named in keyword arguments | def include(self, **attrs):
"""Add items to distribution that are named in keyword arguments
For example, 'dist.include(py_modules=["x"])' would add 'x' to
the distribution's 'py_modules' attribute, if it was not already
there.
Currently, this method only supports inclusion for... |
Remove packages modules and extensions in named package | def exclude_package(self, package):
"""Remove packages, modules, and extensions in named package"""
pfx = package + '.'
if self.packages:
self.packages = [
p for p in self.packages
if p != package and not p.startswith(pfx)
]
if se... |
Return true if exclude_package ( package ) would do something | def has_contents_for(self, package):
"""Return true if 'exclude_package(package)' would do something"""
pfx = package + '.'
for p in self.iter_distribution_names():
if p == package or p.startswith(pfx):
return True |
Remove items from distribution that are named in keyword arguments | def exclude(self, **attrs):
"""Remove items from distribution that are named in keyword arguments
For example, 'dist.exclude(py_modules=["x"])' would remove 'x' from
the distribution's 'py_modules' attribute. Excluding packages uses
the 'exclude_package()' method, so all of the package... |
Return a { cmd: { opt: val }} map of all command - line options | def get_cmdline_options(self):
"""Return a '{cmd: {opt:val}}' map of all command-line options
Option names are all long, but do not include the leading '--', and
contain dashes rather than underscores. If the option doesn't take
an argument (e.g. '--quiet'), the 'val' is 'None'.
... |
Yield all packages modules and extension names in distribution | def iter_distribution_names(self):
"""Yield all packages, modules, and extension names in distribution"""
for pkg in self.packages or ():
yield pkg
for module in self.py_modules or ():
yield module
for ext in self.ext_modules or ():
if isinstance(ex... |
Ensure feature and its requirements are included in distribution | def include_in(self, dist):
"""Ensure feature and its requirements are included in distribution
You may override this in a subclass to perform additional operations on
the distribution. Note that this method may be called more than once
per feature, and so should be idempotent.
... |
Ensure feature is excluded from distribution | def exclude_from(self, dist):
"""Ensure feature is excluded from distribution
You may override this in a subclass to perform additional operations on
the distribution. This method will be called at most once per
feature, and only after all included features have been asked to
i... |
Verify that feature makes sense in context of distribution | def validate(self, dist):
"""Verify that feature makes sense in context of distribution
This method is called by the distribution just before it parses its
command line. It checks to ensure that the 'remove' attribute, if any,
contains only valid package/module names that are present i... |
Validate the resource paths according to the docs. https:// setuptools. readthedocs. io/ en/ latest/ pkg_resources. html#basic - resource - access | def _validate_resource_path(path):
"""
Validate the resource paths according to the docs.
https://setuptools.readthedocs.io/en/latest/pkg_resources.html#basic-resource-access
>>> warned = getfixture('recwarn')
>>> warnings.simplefilter('always')
>>> vrp = NullProvider._v... |
Return the path to the given metadata file if available. | def _get_metadata_path_for_display(self, name):
"""
Return the path to the given metadata file, if available.
"""
try:
# We need to access _get_metadata_path() on the provider object
# directly rather than through this class's __getattr__()
# since _ge... |
Packages installed by distutils ( e. g. numpy or scipy ) which uses an old safe_version and so their version numbers can get mangled when converted to filenames ( e. g. 1. 11. 0. dev0 + 2329eae to 1. 11. 0. dev0_2329eae ). These distributions will not be parsed properly downstream by Distribution and safe_version so ta... | def _reload_version(self):
"""
Packages installed by distutils (e.g. numpy or scipy),
which uses an old safe_version, and so
their version numbers can get mangled when
converted to filenames (e.g., 1.11.0.dev0+2329eae to
1.11.0.dev0_2329eae). These distributions will not ... |
Return ( base pyversion ) or ( None None ) for possible. exe name | def parse_bdist_wininst(name):
"""Return (base,pyversion) or (None,None) for possible .exe name"""
lower = name.lower()
base, py_ver, plat = None, None, None
if lower.endswith('.exe'):
if lower.endswith('.win32.exe'):
base = name[:-10]
plat = 'win32'
elif lower.... |
Yield egg or source distribution objects that might be found at a URL | def distros_for_url(url, metadata=None):
"""Yield egg or source distribution objects that might be found at a URL"""
base, fragment = egg_info_for_url(url)
for dist in distros_for_location(url, base, metadata):
yield dist
if fragment:
match = EGG_FRAGMENT.match(fragment)
if match... |
Yield egg or source distribution objects based on basename | def distros_for_location(location, basename, metadata=None):
"""Yield egg or source distribution objects based on basename"""
if basename.endswith('.egg.zip'):
basename = basename[:-4] # strip the .zip
if basename.endswith('.egg') and '-' in basename:
# only one, unambiguous interpretation
... |
Yield possible egg or source distribution objects based on a filename | def distros_for_filename(filename, metadata=None):
"""Yield possible egg or source distribution objects based on a filename"""
return distros_for_location(
normalize_path(filename), os.path.basename(filename), metadata
) |
Generate alternative interpretations of a source distro name | def interpret_distro_name(
location, basename, metadata, py_version=None, precedence=SOURCE_DIST,
platform=None
):
"""Generate alternative interpretations of a source distro name
Note: if `location` is a filesystem filename, you should call
``pkg_resources.normalize_path()`` on it before pa... |
Wrap a function returning an iterable such that the resulting iterable only ever yields unique items. | def unique_values(func):
"""
Wrap a function returning an iterable such that the resulting iterable
only ever yields unique items.
"""
@wraps(func)
def wrapper(*args, **kwargs):
return unique_everseen(func(*args, **kwargs))
return wrapper |
A function compatible with Python 2. 3 - 3. 3 that will encode auth from a URL suitable for an HTTP header. >>> str ( _encode_auth ( username%3Apassword )) dXNlcm5hbWU6cGFzc3dvcmQ = | def _encode_auth(auth):
"""
A function compatible with Python 2.3-3.3 that will encode
auth from a URL suitable for an HTTP header.
>>> str(_encode_auth('username%3Apassword'))
'dXNlcm5hbWU6cGFzc3dvcmQ='
Long auth strings should not cause a newline to be inserted.
>>> long_auth = 'username:... |
splituser ( user [: passwd ] | def _splituser(host):
"""splituser('user[:passwd]@host[:port]') --> 'user[:passwd]', 'host[:port]'."""
user, delim, host = host.rpartition('@')
return (user if delim else None), host |
Read a local path with special support for directories | def local_open(url):
"""Read a local path, with special support for directories"""
scheme, server, path, param, query, frag = urllib.parse.urlparse(url)
filename = urllib.request.url2pathname(path)
if os.path.isfile(filename):
return urllib.request.urlopen(url)
elif path.endswith('/') and os... |
Process the contents of a PyPI page | def process_index(self, url, page):
"""Process the contents of a PyPI page"""
def scan(link):
# Process a URL to see if it's for a package page
if link.startswith(self.index_url):
parts = list(map(
urllib.parse.unquote, link[len(self.index_url... |
checker is a ContentChecker | def check_hash(self, checker, filename, tfp):
"""
checker is a ContentChecker
"""
checker.report(
self.debug,
"Validating %%s checksum for %s" % filename)
if not checker.is_valid():
tfp.close()
os.unlink(filename)
raise ... |
Add urls to the list that will be prescanned for searches | def add_find_links(self, urls):
"""Add `urls` to the list that will be prescanned for searches"""
for url in urls:
if (
self.to_scan is None # if we have already "gone online"
or not URL_SCHEME(url) # or it's a local file/directory
or url.sta... |
Scan urls scheduled for prescanning ( e. g. -- find - links ) | def prescan(self):
"""Scan urls scheduled for prescanning (e.g. --find-links)"""
if self.to_scan:
list(map(self.scan_url, self.to_scan))
self.to_scan = None |
Locate and/ or download spec to tmpdir returning a local path | def download(self, spec, tmpdir):
"""Locate and/or download `spec` to `tmpdir`, returning a local path
`spec` may be a ``Requirement`` object, or a string containing a URL,
an existing local filename, or a project/version requirement spec
(i.e. the string form of a ``Requirement`` objec... |
Obtain a file suitable for fulfilling requirement | def fetch(self, requirement, tmpdir, force_scan=False, source=False):
"""Obtain a file suitable for fulfilling `requirement`
DEPRECATED; use the ``fetch_distribution()`` method now instead. For
backward compatibility, this routine is identical but returns the
``location`` of the downlo... |
If the URL indicated appears to be a repository defined in this config return the credential for that repository. | def find_credential(self, url):
"""
If the URL indicated appears to be a repository defined in this
config, return the credential for that repository.
"""
for repository, cred in self.creds_by_repository.items():
if url.startswith(repository):
return c... |
Get the filename of the distutils local global or per - user config | def config_file(kind="local"):
"""Get the filename of the distutils, local, global, or per-user config
`kind` must be one of "local", "global", or "user"
"""
if kind == 'local':
return 'setup.cfg'
if kind == 'global':
return os.path.join(
os.path.dirname(distutils.__file... |
Edit a configuration file to include settings | def edit_config(filename, settings, dry_run=False):
"""Edit a configuration file to include `settings`
`settings` is a dictionary of dictionaries or ``None`` values, keyed by
command/section name. A ``None`` value means to delete the entire section,
while a dictionary lists settings to be changed or d... |
Set the hidden attribute on a file or directory. | def hide_file(path):
"""
Set the hidden attribute on a file or directory.
From http://stackoverflow.com/questions/19622133/
`path` must be text.
"""
__import__('ctypes.wintypes')
SetFileAttributes = ctypes.windll.kernel32.SetFileAttributesW
SetFileAttributes.argtypes = ctypes.wintypes.... |
Return self when fullname starts with root_name and the target module is one vendored through this importer. | def find_module(self, fullname, path=None):
"""
Return self when fullname starts with root_name and the
target module is one vendored through this importer.
"""
root, base, target = fullname.partition(self.root_name + '.')
if root:
return
if not any(ma... |
Iterate over the search path to locate and load fullname. | def load_module(self, fullname):
"""
Iterate over the search path to locate and load fullname.
"""
root, base, target = fullname.partition(self.root_name + '.')
for prefix in self.search_path:
try:
extant = prefix + target
__import__(ex... |
Add all the default files to self. filelist: - README or README. txt - setup. py - test/ test *. py - all pure Python modules mentioned in setup script - all files pointed by package_data ( build_py ) - all files defined in data_files. - all files defined as scripts. - all C sources listed as part of extensions or C li... | def add_defaults(self):
"""Add all the default files to self.filelist:
- README or README.txt
- setup.py
- test/test*.py
- all pure Python modules mentioned in setup script
- all files pointed by package_data (build_py)
- all files defined in data_file... |
Case - sensitive path existence check | def _cs_path_exists(fspath):
"""
Case-sensitive path existence check
>>> sdist_add_defaults._cs_path_exists(__file__)
True
>>> sdist_add_defaults._cs_path_exists(__file__.upper())
False
"""
if not os.path.exists(fspath):
return False
#... |
Ensure that the given path is decoded NONE when no expected encoding works | def filesys_decode(path):
"""
Ensure that the given path is decoded,
NONE when no expected encoding works
"""
if isinstance(path, six.text_type):
return path
fs_enc = sys.getfilesystemencoding() or 'utf-8'
candidates = fs_enc, 'utf-8'
for enc in candidates:
try:
... |
Use a fallback method for determining SOABI flags if the needed config var is unset or unavailable. | def get_flag(var, fallback, expected=True, warn=True):
"""Use a fallback method for determining SOABI flags if the needed config
var is unset or unavailable."""
val = get_config_var(var)
if val is None:
if warn:
log.debug("Config variable '%s' is unset, Python ABI tag may "
... |
Return a list of supported arches ( including group arches ) for the given major minor and machine architecture of a macOS machine. | def get_darwin_arches(major, minor, machine):
"""Return a list of supported arches (including group arches) for
the given major, minor and machine architecture of a macOS machine.
"""
arches = []
def _supports_arch(major, minor, arch):
# Looking at the application support for macOS versions... |
Return a list of supported tags for each version specified in versions. | def get_supported(versions=None, noarch=False, platform=None,
impl=None, abi=None):
"""Return a list of supported tags for each version specified in
`versions`.
:param versions: a list of string versions, of the form ["33", "32"],
or None. The first version will be assumed to supp... |
Find all files under path | def _find_all_simple(path):
"""
Find all files under 'path'
"""
results = (
os.path.join(base, file)
for base, dirs, files in os.walk(path, followlinks=True)
for file in files
)
return filter(os.path.isfile, results) |
Find all files under dir and return the list of full filenames. Unless dir is. return full filenames with dir prepended. | def findall(dir=os.curdir):
"""
Find all files under 'dir' and return the list of full filenames.
Unless dir is '.', return full filenames with dir prepended.
"""
files = _find_all_simple(dir)
if dir == os.curdir:
make_rel = functools.partial(os.path.relpath, start=dir)
files = m... |
Return a list all Python packages found within directory where | def find(cls, where='.', exclude=(), include=('*',)):
"""Return a list all Python packages found within directory 'where'
'where' is the root directory which will be searched for packages. It
should be supplied as a "cross-platform" (i.e. URL-style) path; it will
be converted to the ap... |
All the packages found in where that pass the include filter but not the exclude filter. | def _find_packages_iter(cls, where, exclude, include):
"""
All the packages found in 'where' that pass the 'include' filter, but
not the 'exclude' filter.
"""
for root, dirs, files in os.walk(where, followlinks=True):
# Copy dirs to iterate over it, then empty dirs.
... |
Given a list of patterns return a callable that will be true only if the input matches at least one of the patterns. | def _build_filter(*patterns):
"""
Given a list of patterns, return a callable that will be true only if
the input matches at least one of the patterns.
"""
return lambda name: any(fnmatchcase(name, pat=pat) for pat in patterns) |
r Ensure that option is a list of strings. If option is currently a string we split it either on/ \ s */ or/ \ s +/ so foo bar baz foo bar baz and foo bar baz all become [ foo bar baz ]. | def ensure_string_list(self, option):
r"""Ensure that 'option' is a list of strings. If 'option' is
currently a string, we split it either on /,\s*/ or /\s+/, so
"foo bar baz", "foo,bar,baz", and "foo, bar baz" all become
["foo", "bar", "baz"].
"""
val = getattr(self, ... |
Attempt to detect whether run () was called from setup () or by another command. If called by setup () the parent caller will be the run_command method in distutils. dist and * its * caller will be the run_commands method. If called any other way the immediate caller * might * be run_command but it won t have been call... | def _called_from_setup(run_frame):
"""
Attempt to detect whether run() was called from setup() or by another
command. If called by setup(), the parent caller will be the
'run_command' method in 'distutils.dist', and *its* caller will be
the 'run_commands' method. If called any ... |
Walk both arguments in parallel testing if each source group is newer than its corresponding target. Returns a pair of lists ( sources_groups targets ) where sources is newer than target according to the semantics of newer_group (). | def newer_pairwise_group(sources_groups, targets):
"""Walk both arguments in parallel, testing if each source group is newer
than its corresponding target. Returns a pair of lists (sources_groups,
targets) where sources is newer than target, according to the semantics
of 'newer_group()'.
"""
if ... |
Do os. walk in a reproducible way independent of indeterministic filesystem readdir order | def sorted_walk(dir):
"""Do os.walk in a reproducible way,
independent of indeterministic filesystem readdir order
"""
for base, dirs, files in os.walk(dir):
dirs.sort()
files.sort()
yield base, dirs, files |
Walk an unpacked egg s contents skipping the metadata directory | def walk_egg(egg_dir):
"""Walk an unpacked egg's contents, skipping the metadata directory"""
walker = sorted_walk(egg_dir)
base, dirs, files = next(walker)
if 'EGG-INFO' in dirs:
dirs.remove('EGG-INFO')
yield base, dirs, files
for bdf in walker:
yield bdf |
Yield names and strings used by code and its nested code objects | def iter_symbols(code):
"""Yield names and strings used by `code` and its nested code objects"""
for name in code.co_names:
yield name
for const in code.co_consts:
if isinstance(const, six.string_types):
yield const
elif isinstance(const, CodeType):
for name i... |
Create a zip file from all the files under base_dir. The output zip file will be named base_dir +. zip. Uses either the zipfile Python module ( if available ) or the InfoZIP zip utility ( if installed and found on the default search path ). If neither tool is available raises DistutilsExecError. Returns the name of the... | def make_zipfile(zip_filename, base_dir, verbose=0, dry_run=0, compress=True,
mode='w'):
"""Create a zip file from all the files under 'base_dir'. The output
zip file will be named 'base_dir' + ".zip". Uses either the "zipfile"
Python module (if available) or the InfoZIP "zip" utility (if... |
Invoke reinitialized command cmdname with keyword args | def call_command(self, cmdname, **kw):
"""Invoke reinitialized command `cmdname` with keyword args"""
for dirname in INSTALL_DIRECTORY_ATTRS:
kw.setdefault(dirname, self.bdist_dir)
kw.setdefault('skip_build', self.skip_build)
kw.setdefault('dry_run', self.dry_run)
cmd... |
Copy metadata ( egg info ) to the target_dir | def copy_metadata_to(self, target_dir):
"Copy metadata (egg info) to the target_dir"
# normalize the path (so that a forward-slash in egg_info will
# match using startswith below)
norm_egg_info = os.path.normpath(self.egg_info)
prefix = os.path.join(norm_egg_info, '')
for... |
Get a list of relative paths to C extensions in the output distro | def get_ext_outputs(self):
"""Get a list of relative paths to C extensions in the output distro"""
all_outputs = []
ext_outputs = []
paths = {self.bdist_dir: ''}
for base, dirs, files in sorted_walk(self.bdist_dir):
for filename in files:
if os.path.... |
Translate a file path glob like *. txt in to a regular expression. This differs from fnmatch. translate which allows wildcards to match directory separators. It also knows about **/ which matches any number of directories. | def translate_pattern(glob):
"""
Translate a file path glob like '*.txt' in to a regular expression.
This differs from fnmatch.translate which allows wildcards to match
directory separators. It also knows about '**/' which matches any number of
directories.
"""
pat = ''
# This will spli... |
Create a file with the specified name and write contents ( a sequence of strings without line terminators ) to it. | def write_file(filename, contents):
"""Create a file with the specified name and write 'contents' (a
sequence of strings without line terminators) to it.
"""
contents = "\n".join(contents)
# assuming the contents has been vetted for utf-8 encoding
contents = contents.encode("utf-8")
with o... |
Get a - r### off of PKG - INFO Version in case this is an sdist of a subversion revision. | def get_pkg_info_revision():
"""
Get a -r### off of PKG-INFO Version in case this is an sdist of
a subversion revision.
"""
warnings.warn("get_pkg_info_revision is deprecated.", EggInfoDeprecationWarning)
if os.path.exists('PKG-INFO'):
with io.open('PKG-INFO') as f:
for line ... |
Materialize the value of date into the build tag. Install build keys in a deterministic order to avoid arbitrary reordering on subsequent builds. | def save_version_info(self, filename):
"""
Materialize the value of date into the
build tag. Install build keys in a deterministic order
to avoid arbitrary reordering on subsequent builds.
"""
egg_info = collections.OrderedDict()
# follow the order these keys woul... |
Write data to filename or delete if empty | def write_or_delete_file(self, what, filename, data, force=False):
"""Write `data` to `filename` or delete if empty
If `data` is non-empty, this routine is the same as ``write_file()``.
If `data` is empty but not ``None``, this is the same as calling
``delete_file(filename)`. If `data`... |
Delete filename ( if not a dry run ) after announcing it | def delete_file(self, filename):
"""Delete `filename` (if not a dry run) after announcing it"""
log.info("deleting %s", filename)
if not self.dry_run:
os.unlink(filename) |
Generate SOURCES. txt manifest file | def find_sources(self):
"""Generate SOURCES.txt manifest file"""
manifest_filename = os.path.join(self.egg_info, "SOURCES.txt")
mm = manifest_maker(self.distribution)
mm.manifest = manifest_filename
mm.run()
self.filelist = mm.filelist |
Remove all files from the file list that match the predicate. Return True if any matching files were removed | def _remove_files(self, predicate):
"""
Remove all files from the file list that match the predicate.
Return True if any matching files were removed
"""
found = False
for i in range(len(self.files) - 1, -1, -1):
if predicate(self.files[i]):
sel... |
Include files that match pattern. | def include(self, pattern):
"""Include files that match 'pattern'."""
found = [f for f in glob(pattern) if not os.path.isdir(f)]
self.extend(found)
return bool(found) |
Exclude files that match pattern. | def exclude(self, pattern):
"""Exclude files that match 'pattern'."""
match = translate_pattern(pattern)
return self._remove_files(match.match) |
Include all files anywhere in dir/ that match the pattern. | def recursive_include(self, dir, pattern):
"""
Include all files anywhere in 'dir/' that match the pattern.
"""
full_pattern = os.path.join(dir, '**', pattern)
found = [f for f in glob(full_pattern, recursive=True)
if not os.path.isdir(f)]
self.extend(fou... |
Exclude any file anywhere in dir/ that match the pattern. | def recursive_exclude(self, dir, pattern):
"""
Exclude any file anywhere in 'dir/' that match the pattern.
"""
match = translate_pattern(os.path.join(dir, '**', pattern))
return self._remove_files(match.match) |
Include all files from dir/. | def graft(self, dir):
"""Include all files from 'dir/'."""
found = [
item
for match_dir in glob(dir)
for item in distutils.filelist.findall(match_dir)
]
self.extend(found)
return bool(found) |
Filter out files from dir/. | def prune(self, dir):
"""Filter out files from 'dir/'."""
match = translate_pattern(os.path.join(dir, '**'))
return self._remove_files(match.match) |
Include all files anywhere in the current directory that match the pattern. This is very inefficient on large file trees. | def global_include(self, pattern):
"""
Include all files anywhere in the current directory that match the
pattern. This is very inefficient on large file trees.
"""
if self.allfiles is None:
self.findall()
match = translate_pattern(os.path.join('**', pattern))... |
Exclude all files anywhere that match the pattern. | def global_exclude(self, pattern):
"""
Exclude all files anywhere that match the pattern.
"""
match = translate_pattern(os.path.join('**', pattern))
return self._remove_files(match.match) |
Replace self. files with only safe paths | def _repair(self):
"""
Replace self.files with only safe paths
Because some owners of FileList manipulate the underlying
``files`` attribute directly, this method must be called to
repair those paths.
"""
self.files = list(filter(self._safe_path, self.files)) |
Write the file list in self. filelist to the manifest file named by self. manifest. | def write_manifest(self):
"""
Write the file list in 'self.filelist' to the manifest file
named by 'self.manifest'.
"""
self.filelist._repair()
# Now _repairs should encodability, but not unicode
files = [self._manifest_normalize(f) for f in self.filelist.files]
... |
Find all files under revision control | def walk_revctrl(dirname=''):
"""Find all files under revision control"""
for ep in pkg_resources.iter_entry_points('setuptools.file_finders'):
for item in ep.load()(dirname):
yield item |
In a context remove and restore os. link if it exists | def _remove_os_link():
"""
In a context, remove and restore os.link if it exists
"""
class NoValue:
pass
orig_val = getattr(os, 'link', NoValue)
try:
del os.link
except Exception:
pass
try:
yield
fi... |
getting python files | def _add_defaults_python(self):
"""getting python files"""
if self.distribution.has_pure_modules():
build_py = self.get_finalized_command('build_py')
self.filelist.extend(build_py.get_source_files())
# This functionality is incompatible with include_package_data, and
... |
Read the manifest file ( named by self. manifest ) and use it to fill in self. filelist the list of files to include in the source distribution. | def read_manifest(self):
"""Read the manifest file (named by 'self.manifest') and use it to
fill in 'self.filelist', the list of files to include in the source
distribution.
"""
log.info("reading manifest file '%s'", self.manifest)
manifest = open(self.manifest, 'rb')
... |
Checks if license_file is configured and adds it to self. filelist if the value contains a valid path. | def check_license(self):
"""Checks if license_file' is configured and adds it to
'self.filelist' if the value contains a valid path.
"""
opts = self.distribution.get_option_dict('metadata')
# ignore the source of the value
_, license_file = opts.get('license_file', (Non... |
Return a collections. Sized collections. Container of paths to be excluded for single_version_externally_managed installations. | def get_exclusions(self):
"""
Return a collections.Sized collections.Container of paths to be
excluded for single_version_externally_managed installations.
"""
all_packages = (
pkg
for ns_pkg in self._get_SVEM_NSPs()
for pkg in self._all_packag... |
Given a package name and exclusion path within that package compute the full exclusion path. | def _exclude_pkg_path(self, pkg, exclusion_path):
"""
Given a package name and exclusion path within that package,
compute the full exclusion path.
"""
parts = pkg.split('.') + [exclusion_path]
return os.path.join(self.install_dir, *parts) |
Get namespace packages ( list ) but only for single_version_externally_managed installations and empty otherwise. | def _get_SVEM_NSPs(self):
"""
Get namespace packages (list) but only for
single_version_externally_managed installations and empty otherwise.
"""
# TODO: is it necessary to short-circuit here? i.e. what's the cost
# if get_finalized_command is called even when namespace_p... |
Generate file paths to be excluded for namespace packages ( bytecode cache files ). | def _gen_exclusion_paths():
"""
Generate file paths to be excluded for namespace packages (bytecode
cache files).
"""
# always exclude the package module itself
yield '__init__.py'
yield '__init__.pyc'
yield '__init__.pyo'
if not hasattr(imp, 'ge... |
Generate a path from egg_base back to. where the setup script resides and ensure that path points to the setup path from $install_dir/ $egg_path. | def _resolve_setup_path(egg_base, install_dir, egg_path):
"""
Generate a path from egg_base back to '.' where the
setup script resides and ensure that path points to the
setup path from $install_dir/$egg_path.
"""
path_to_setup = egg_base.replace(os.sep, '/').rstrip('/')
... |
Just like imp. find_module () but with package support | def find_module(module, paths=None):
"""Just like 'imp.find_module()', but with package support"""
parts = module.split('.')
while parts:
part = parts.pop(0)
f, path, (suffix, mode, kind) = info = imp.find_module(part, paths)
if kind == PKG_DIRECTORY:
parts = parts or ... |
Find module by searching paths and extract symbol | def get_module_constant(module, symbol, default=-1, paths=None):
"""Find 'module' by searching 'paths', and extract 'symbol'
Return 'None' if 'module' does not exist on 'paths', or it does not define
'symbol'. If the module defines 'symbol' as a constant, return the
constant. Otherwise, return 'defau... |
Extract the constant value of symbol from code | def extract_constant(code, symbol, default=-1):
"""Extract the constant value of 'symbol' from 'code'
If the name 'symbol' is bound to a constant value by the Python code
object 'code', return that value. If 'symbol' is bound to an expression,
return 'default'. Otherwise, return 'None'.
Return v... |
Patch the globals to remove the objects not available on some platforms. | def _update_globals():
"""
Patch the globals to remove the objects not available on some platforms.
XXX it'd be better to test assertions about bytecode instead.
"""
if not sys.platform.startswith('java') and sys.platform != 'cli':
return
incompatible = 'extract_constant', 'get_module_... |
Return full package/ distribution name w/ version | def full_name(self):
"""Return full package/distribution name, w/version"""
if self.requested_version is not None:
return '%s-%s' % (self.name, self.requested_version)
return self.name |
Is version sufficiently up - to - date? | def version_ok(self, version):
"""Is 'version' sufficiently up-to-date?"""
return self.attribute is None or self.format is None or \
str(version) != "unknown" and version >= self.requested_version |
Get version number of installed module None or default | def get_version(self, paths=None, default="unknown"):
"""Get version number of installed module, 'None', or 'default'
Search 'paths' for module. If not found, return 'None'. If found,
return the extracted version attribute, or 'default' if no version
attribute was specified, or the va... |
Return true if dependency is present and up - to - date on paths | def is_current(self, paths=None):
"""Return true if dependency is present and up-to-date on 'paths'"""
version = self.get_version(paths)
if version is None:
return False
return self.version_ok(version) |
Return sorted list of all package namespaces | def _get_all_ns_packages(self):
"""Return sorted list of all package namespaces"""
pkgs = self.distribution.namespace_packages or []
return sorted(flatten(map(self._pkg_names, pkgs))) |
Given a namespace package yield the components of that package. | def _pkg_names(pkg):
"""
Given a namespace package, yield the components of that
package.
>>> names = Installer._pkg_names('a.b.c')
>>> set(names) == set(['a', 'a.b', 'a.b.c'])
True
"""
parts = pkg.split('.')
while parts:
yield '.'.joi... |
Return an existing CA bundle path or None | def find_ca_bundle():
"""Return an existing CA bundle path, or None"""
extant_cert_paths = filter(os.path.isfile, cert_paths)
return (
get_win_certfile()
or next(extant_cert_paths, None)
or _certifi_where()
) |
Rewrite imports in packaging to redirect to vendored copies. | def rewrite_packaging(pkg_files, new_root):
"""
Rewrite imports in packaging to redirect to vendored copies.
"""
for file in pkg_files.glob('*.py'):
text = file.text()
text = re.sub(r' (pyparsing|six)', rf' {new_root}.\1', text)
file.write_text(text) |
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