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Install everything in the given list.
(to be called after having downloaded and unpacked the packages)
def install_given_reqs(
to_install, # type: List[InstallRequirement]
install_options, # type: List[str]
global_options=(), # type: Sequence[str]
*args, **kwargs
):
# type: (...) -> List[In... |
Print colorize text.
It accepts arguments of print function.
def cprint(text, color=None, on_color=None, attrs=None, **kwargs):
"""Print colorize text.
It accepts arguments of print function.
"""
print((colored(text, color, on_color, attrs)), **kwargs) |
Return an IResourceProvider for the named module or requirement
def get_provider(moduleOrReq):
"""Return an IResourceProvider for the named module or requirement"""
if isinstance(moduleOrReq, Requirement):
return working_set.find(moduleOrReq) or require(str(moduleOrReq))[0]
try:
module = sy... |
Return this platform's string for platform-specific distributions
XXX Currently this is the same as ``distutils.util.get_platform()``, but it
needs some hacks for Linux and Mac OS X.
def get_build_platform():
"""Return this platform's string for platform-specific distributions
XXX Currently this is t... |
Can code for the `provided` platform run on the `required` platform?
Returns true if either platform is ``None``, or the platforms are equal.
XXX Needs compatibility checks for Linux and other unixy OSes.
def compatible_platforms(provided, required):
"""Can code for the `provided` platform run on the `re... |
Locate distribution `dist_spec` and run its `script_name` script
def run_script(dist_spec, script_name):
"""Locate distribution `dist_spec` and run its `script_name` script"""
ns = sys._getframe(1).f_globals
name = ns['__name__']
ns.clear()
ns['__name__'] = name
require(dist_spec)[0].run_script... |
Return a current distribution object for a Requirement or string
def get_distribution(dist):
"""Return a current distribution object for a Requirement or string"""
if isinstance(dist, six.string_types):
dist = Requirement.parse(dist)
if isinstance(dist, Requirement):
dist = get_provider(dis... |
Convert an arbitrary string to a standard version string
def safe_version(version):
"""
Convert an arbitrary string to a standard version string
"""
try:
# normalize the version
return str(packaging.version.Version(version))
except packaging.version.InvalidVersion:
version =... |
Validate text as a PEP 508 environment marker; return an exception
if invalid or False otherwise.
def invalid_marker(text):
"""
Validate text as a PEP 508 environment marker; return an exception
if invalid or False otherwise.
"""
try:
evaluate_marker(text)
except SyntaxError as e:
... |
Evaluate a PEP 508 environment marker.
Return a boolean indicating the marker result in this environment.
Raise SyntaxError if marker is invalid.
This implementation uses the 'pyparsing' module.
def evaluate_marker(text, extra=None):
"""
Evaluate a PEP 508 environment marker.
Return a boolean ... |
Yield distributions accessible via `path_item`
def find_distributions(path_item, only=False):
"""Yield distributions accessible via `path_item`"""
importer = get_importer(path_item)
finder = _find_adapter(_distribution_finders, importer)
return finder(importer, path_item, only) |
Find eggs in zip files; possibly multiple nested eggs.
def find_eggs_in_zip(importer, path_item, only=False):
"""
Find eggs in zip files; possibly multiple nested eggs.
"""
if importer.archive.endswith('.whl'):
# wheels are not supported with this finder
# they don't have PKG-INFO metad... |
Given a list of filenames, return them in descending order
by version number.
>>> names = 'bar', 'foo', 'Python-2.7.10.egg', 'Python-2.7.2.egg'
>>> _by_version_descending(names)
['Python-2.7.10.egg', 'Python-2.7.2.egg', 'foo', 'bar']
>>> names = 'Setuptools-1.2.3b1.egg', 'Setuptools-1.2.3.egg'
... |
Yield distributions accessible on a sys.path directory
def find_on_path(importer, path_item, only=False):
"""Yield distributions accessible on a sys.path directory"""
path_item = _normalize_cached(path_item)
if _is_unpacked_egg(path_item):
yield Distribution.from_filename(
path_item, m... |
Return a dist_factory for a path_item and entry
def dist_factory(path_item, entry, only):
"""
Return a dist_factory for a path_item and entry
"""
lower = entry.lower()
is_meta = any(map(lower.endswith, ('.egg-info', '.dist-info')))
return (
distributions_from_metadata
if is_meta... |
Attempt to list contents of path, but suppress some exceptions.
def safe_listdir(path):
"""
Attempt to list contents of path, but suppress some exceptions.
"""
try:
return os.listdir(path)
except (PermissionError, NotADirectoryError):
pass
except OSError as e:
# Ignore t... |
Yield non-empty lines from file at path
def non_empty_lines(path):
"""
Yield non-empty lines from file at path
"""
with open(path) as f:
for line in f:
line = line.strip()
if line:
yield line |
Given a path to an .egg-link, resolve distributions
present in the referenced path.
def resolve_egg_link(path):
"""
Given a path to an .egg-link, resolve distributions
present in the referenced path.
"""
referenced_paths = non_empty_lines(path)
resolved_paths = (
os.path.join(os.pat... |
Ensure that named package includes a subpath of path_item (if needed)
def _handle_ns(packageName, path_item):
"""Ensure that named package includes a subpath of path_item (if needed)"""
importer = get_importer(path_item)
if importer is None:
return None
# capture warnings due to #1111
wit... |
Rebuild module.__path__ ensuring that all entries are ordered
corresponding to their sys.path order
def _rebuild_mod_path(orig_path, package_name, module):
"""
Rebuild module.__path__ ensuring that all entries are ordered
corresponding to their sys.path order
"""
sys_path = [_normalize_cached(p... |
Declare that package 'packageName' is a namespace package
def declare_namespace(packageName):
"""Declare that package 'packageName' is a namespace package"""
_imp.acquire_lock()
try:
if packageName in _namespace_packages:
return
path = sys.path
parent, _, _ = packageNa... |
Ensure that previously-declared namespace packages include path_item
def fixup_namespace_packages(path_item, parent=None):
"""Ensure that previously-declared namespace packages include path_item"""
_imp.acquire_lock()
try:
for package in _namespace_packages.get(parent, ()):
subpath = _h... |
Compute an ns-package subpath for a filesystem or zipfile importer
def file_ns_handler(importer, path_item, packageName, module):
"""Compute an ns-package subpath for a filesystem or zipfile importer"""
subpath = os.path.join(path_item, packageName.split('.')[-1])
normalized = _normalize_cached(subpath)
... |
Normalize a file/dir name for comparison purposes
def normalize_path(filename):
"""Normalize a file/dir name for comparison purposes"""
return os.path.normcase(os.path.realpath(os.path.normpath(_cygwin_patch(filename)))) |
Determine if given path appears to be an unpacked egg.
def _is_unpacked_egg(path):
"""
Determine if given path appears to be an unpacked egg.
"""
return (
_is_egg_path(path) and
os.path.isfile(os.path.join(path, 'EGG-INFO', 'PKG-INFO'))
) |
Given an iterable of lines from a Metadata file, return
the value of the Version field, if present, or None otherwise.
def _version_from_file(lines):
"""
Given an iterable of lines from a Metadata file, return
the value of the Version field, if present, or None otherwise.
"""
def is_version_lin... |
Yield ``Requirement`` objects for each specification in `strs`
`strs` must be a string, or a (possibly-nested) iterable thereof.
def parse_requirements(strs):
"""Yield ``Requirement`` objects for each specification in `strs`
`strs` must be a string, or a (possibly-nested) iterable thereof.
"""
# ... |
Return an adapter factory for `ob` from `registry`
def _find_adapter(registry, ob):
"""Return an adapter factory for `ob` from `registry`"""
types = _always_object(inspect.getmro(getattr(ob, '__class__', type(ob))))
for t in types:
if t in registry:
return registry[t] |
Ensure that the parent directory of `path` exists
def ensure_directory(path):
"""Ensure that the parent directory of `path` exists"""
dirname = os.path.dirname(path)
py31compat.makedirs(dirname, exist_ok=True) |
Split a string or iterable thereof into (section, content) pairs
Each ``section`` is a stripped version of the section header ("[section]")
and each ``content`` is a list of stripped lines excluding blank lines and
comment-only lines. If there are any such lines before the first section
header, they'r... |
If required_by is non-empty, return a version of self that is a
ContextualVersionConflict.
def with_context(self, required_by):
"""
If required_by is non-empty, return a version of self that is a
ContextualVersionConflict.
"""
if not required_by:
return self
... |
Prepare the master working set.
def _build_master(cls):
"""
Prepare the master working set.
"""
ws = cls()
try:
from __main__ import __requires__
except ImportError:
# The main program does not list any requirements
return ws
... |
Build a working set from a requirement spec. Rewrites sys.path.
def _build_from_requirements(cls, req_spec):
"""
Build a working set from a requirement spec. Rewrites sys.path.
"""
# try it without defaults already on sys.path
# by starting with an empty path
ws = cls([]... |
Add a path item to ``.entries``, finding any distributions on it
``find_distributions(entry, True)`` is used to find distributions
corresponding to the path entry, and they are added. `entry` is
always appended to ``.entries``, even if it is already present.
(This is because ``sys.path... |
Yield entry point objects from `group` matching `name`
If `name` is None, yields all entry points in `group` from all
distributions in the working set, otherwise only ones matching
both `group` and `name` are yielded (in distribution order).
def iter_entry_points(self, group, name=None):
... |
Locate distribution for `requires` and run `script_name` script
def run_script(self, requires, script_name):
"""Locate distribution for `requires` and run `script_name` script"""
ns = sys._getframe(1).f_globals
name = ns['__name__']
ns.clear()
ns['__name__'] = name
self.... |
Ensure that distributions matching `requirements` are activated
`requirements` must be a string or a (possibly-nested) sequence
thereof, specifying the distributions and versions required. The
return value is a sequence of the distributions that needed to be
activated to fulfill the re... |
Invoke `callback` for all distributions
If `existing=True` (default),
call on all existing ones, as well.
def subscribe(self, callback, existing=True):
"""Invoke `callback` for all distributions
If `existing=True` (default),
call on all existing ones, as well.
"""
... |
Evaluate markers for req against each extra that
demanded it.
Return False if the req has a marker and fails
evaluation. Otherwise, return True.
def markers_pass(self, req, extras=None):
"""
Evaluate markers for req against each extra that
demanded it.
Return F... |
Scan `search_path` for distributions usable in this environment
Any distributions found are added to the environment.
`search_path` should be a sequence of ``sys.path`` items. If not
supplied, ``sys.path`` is used. Only distributions conforming to
the platform/python version defined a... |
Add `dist` if we ``can_add()`` it and it has not already been added
def add(self, dist):
"""Add `dist` if we ``can_add()`` it and it has not already been added
"""
if self.can_add(dist) and dist.has_version():
dists = self._distmap.setdefault(dist.key, [])
if dist not in... |
Find distribution best matching `req` and usable on `working_set`
This calls the ``find(req)`` method of the `working_set` to see if a
suitable distribution is already active. (This may raise
``VersionConflict`` if an unsuitable version of the project is already
active in the specified... |
Give an error message for problems extracting file(s)
def extraction_error(self):
"""Give an error message for problems extracting file(s)"""
old_exc = sys.exc_info()[1]
cache_path = self.extraction_path or get_default_cache()
tmpl = textwrap.dedent("""
Can't extract file(... |
If the default extraction path is overridden and set to an insecure
location, such as /tmp, it opens up an opportunity for an attacker to
replace an extracted file with an unauthorized payload. Warn the user
if a known insecure location is used.
See Distribute #375 for more details.
de... |
Perform any platform-specific postprocessing of `tempname`
This is where Mac header rewrites should be done; other platforms don't
have anything special they should do.
Resource providers should call this method ONLY after successfully
extracting a compressed resource. They must NOT c... |
Build a dictionary similar to the zipimport directory
caches, except instead of tuples, store ZipInfo objects.
Use a platform-specific path separator (os.sep) for the path keys
for compatibility with pypy on Windows.
def build(cls, path):
"""
Build a dictionary similar to the z... |
Load a manifest at path or return a suitable manifest already loaded.
def load(self, path):
"""
Load a manifest at path or return a suitable manifest already loaded.
"""
path = os.path.normpath(path)
mtime = os.stat(path).st_mtime
if path not in self or self[path].mtime... |
Return True if the file_path is current for this zip_path
def _is_current(self, file_path, zip_path):
"""
Return True if the file_path is current for this zip_path
"""
timestamp, size = self._get_date_and_size(self.zipinfo[zip_path])
if not os.path.isfile(file_path):
... |
Require packages for this EntryPoint, then resolve it.
def load(self, require=True, *args, **kwargs):
"""
Require packages for this EntryPoint, then resolve it.
"""
if not require or args or kwargs:
warnings.warn(
"Parameters to load are deprecated. Call .re... |
Resolve the entry point from its module and attrs.
def resolve(self):
"""
Resolve the entry point from its module and attrs.
"""
module = __import__(self.module_name, fromlist=['__name__'], level=0)
try:
return functools.reduce(getattr, self.attrs, module)
ex... |
Parse a single entry point from string `src`
Entry point syntax follows the form::
name = some.module:some.attr [extra1, extra2]
The entry name and module name are required, but the ``:attrs`` and
``[extras]`` parts are optional
def parse(cls, src, dist=None):
"""Parse a ... |
Parse an entry point group
def parse_group(cls, group, lines, dist=None):
"""Parse an entry point group"""
if not MODULE(group):
raise ValueError("Invalid group name", group)
this = {}
for line in yield_lines(lines):
ep = cls.parse(line, dist)
if ep.n... |
Parse a map of entry point groups
def parse_map(cls, data, dist=None):
"""Parse a map of entry point groups"""
if isinstance(data, dict):
data = data.items()
else:
data = split_sections(data)
maps = {}
for group, lines in data:
if group is Non... |
A map of extra to its list of (direct) requirements
for this distribution, including the null extra.
def _dep_map(self):
"""
A map of extra to its list of (direct) requirements
for this distribution, including the null extra.
"""
try:
return self.__dep_map
... |
Given a mapping of extras to dependencies, strip off
environment markers and filter out any dependencies
not matching the markers.
def _filter_extras(dm):
"""
Given a mapping of extras to dependencies, strip off
environment markers and filter out any dependencies
not mat... |
List of Requirements needed for this distro if `extras` are used
def requires(self, extras=()):
"""List of Requirements needed for this distro if `extras` are used"""
dm = self._dep_map
deps = []
deps.extend(dm.get(None, ()))
for ext in extras:
try:
d... |
Ensure distribution is importable on `path` (default=sys.path)
def activate(self, path=None, replace=False):
"""Ensure distribution is importable on `path` (default=sys.path)"""
if path is None:
path = sys.path
self.insert_on(path, replace=replace)
if path is sys.path:
... |
Return what this distribution's standard .egg filename should be
def egg_name(self):
"""Return what this distribution's standard .egg filename should be"""
filename = "%s-%s-py%s" % (
to_filename(self.project_name), to_filename(self.version),
self.py_version or PY_MAJOR
... |
Return a ``Requirement`` that matches this distribution exactly
def as_requirement(self):
"""Return a ``Requirement`` that matches this distribution exactly"""
if isinstance(self.parsed_version, packaging.version.Version):
spec = "%s==%s" % (self.project_name, self.parsed_version)
e... |
Return the `name` entry point of `group` or raise ImportError
def load_entry_point(self, group, name):
"""Return the `name` entry point of `group` or raise ImportError"""
ep = self.get_entry_info(group, name)
if ep is None:
raise ImportError("Entry point %r not found" % ((group, nam... |
Return the entry point map for `group`, or the full entry map
def get_entry_map(self, group=None):
"""Return the entry point map for `group`, or the full entry map"""
try:
ep_map = self._ep_map
except AttributeError:
ep_map = self._ep_map = EntryPoint.parse_map(
... |
Copy this distribution, substituting in any changed keyword args
def clone(self, **kw):
"""Copy this distribution, substituting in any changed keyword args"""
names = 'project_name version py_version platform location precedence'
for attr in names.split():
kw.setdefault(attr, getatt... |
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 b... |
Recompute this distribution's dependencies.
def _compute_dependencies(self):
"""Recompute this distribution's dependencies."""
dm = self.__dep_map = {None: []}
reqs = []
# Including any condition expressions
for req in self._parsed_pkg_info.get_all('Requires-Dist') or []:
... |
Expand agglutinated rules in a definition-schema.
:param schema: The schema-definition to expand.
:return: The expanded schema-definition.
def _expand_logical_shortcuts(cls, schema):
""" Expand agglutinated rules in a definition-schema.
:param schema: The schema-definition to expand.
... |
Validates a schema that defines rules against supported rules.
:param schema: The schema to be validated as a legal cerberus schema
according to the rules of this Validator object.
def _validate(self, schema):
""" Validates a schema that defines rules against supported rules.
... |
{'allowed': ('allof', 'anyof', 'noneof', 'oneof')}
def _validate_logical(self, rule, field, value):
""" {'allowed': ('allof', 'anyof', 'noneof', 'oneof')} """
if not isinstance(value, Sequence):
self._error(field, errors.BAD_TYPE)
return
validator = self._get_child_vali... |
Register a definition to the registry. Existing definitions are
replaced silently.
:param name: The name which can be used as reference in a validation
schema.
:type name: :class:`str`
:param definition: The definition.
:type definition: any :term:`mapping`
... |
Add several definitions at once. Existing definitions are
replaced silently.
:param definitions: The names and definitions.
:type definitions: a :term:`mapping` or an :term:`iterable` with
two-value :class:`tuple` s
def extend(self, definitions):
""" Add seve... |
Export the svn repository at the url to the destination location
def export(self, location):
"""Export the svn repository at the url to the destination location"""
url, rev_options = self.get_url_rev_options(self.url)
logger.info('Exporting svn repository %s to %s', url, location)
with... |
This override allows the auth information to be passed to svn via the
--username and --password options instead of via the URL.
def get_netloc_and_auth(self, netloc, scheme):
"""
This override allows the auth information to be passed to svn via the
--username and --password options inst... |
Context manager to temporarily change working directories
:param str path: The directory to move into
>>> print(os.path.abspath(os.curdir))
'/home/user/code/myrepo'
>>> with cd("/home/user/code/otherdir/subdir"):
... print("Changed directory: %s" % os.path.abspath(os.curdir))
Changed direc... |
Get a spinner object or a dummy spinner to wrap a context.
:param str spinner_name: A spinner type e.g. "dots" or "bouncingBar" (default: {"bouncingBar"})
:param str start_text: Text to start off the spinner with (default: {None})
:param dict handler_map: Handler map for signals to be handled gracefully (d... |
Atomically open `target` for writing.
This is based on Lektor's `atomic_open()` utility, but simplified a lot
to handle only writing, and skip many multi-process/thread edge cases
handled by Werkzeug.
:param str target: Target filename to write
:param bool binary: Whether to open in binary mode, d... |
Open local or remote file for reading.
:type link: pip._internal.index.Link or str
:type session: requests.Session
:param bool stream: Try to stream if remote, default True
:raises ValueError: If link points to a local directory.
:return: a context manager to the opened file-like object
def open_f... |
Context manager to temporarily swap out *stream_name* with a stream wrapper.
:param str stream_name: The name of a sys stream to wrap
:returns: A ``StreamWrapper`` replacement, temporarily
>>> orig_stdout = sys.stdout
>>> with replaced_stream("stdout") as stdout:
... sys.stdout.write("hello")
... |
This reads data from the file descriptor.
This is a simple implementation suitable for a regular file. Subclasses using ptys or pipes should override it.
The timeout parameter is ignored.
def read_nonblocking(self, size=1, timeout=None):
"""This reads data from the file descriptor.
T... |
This compiles a pattern-string or a list of pattern-strings.
Patterns must be a StringType, EOF, TIMEOUT, SRE_Pattern, or a list of
those. Patterns may also be None which results in an empty list (you
might do this if waiting for an EOF or TIMEOUT condition without
expecting any pattern)... |
This seeks through the stream until a pattern is matched. The
pattern is overloaded and may take several types. The pattern can be a
StringType, EOF, a compiled re, or a list of any of those types.
Strings will be compiled to re types. This returns the index into the
pattern list. If the... |
This takes a list of compiled regular expressions and returns the
index into the pattern_list that matched the child output. The list may
also contain EOF or TIMEOUT(which are not compiled regular
expressions). This method is similar to the expect() method except that
expect_list() does ... |
This is similar to expect(), but uses plain string matching instead
of compiled regular expressions in 'pattern_list'. The 'pattern_list'
may be a string; a list or other sequence of strings; or TIMEOUT and
EOF.
This call might be faster than expect() for two reasons: string
sea... |
This is the common loop used inside expect. The 'searcher' should be
an instance of searcher_re or searcher_string, which describes how and
what to search for in the input.
See expect() for other arguments, return value and exceptions.
def expect_loop(self, searcher, timeout=-1, searchwindowsi... |
This reads at most "size" bytes from the file (less if the read hits
EOF before obtaining size bytes). If the size argument is negative or
omitted, read all data until EOF is reached. The bytes are returned as
a string object. An empty string is returned when EOF is encountered
immediate... |
This reads and returns one entire line. The newline at the end of
line is returned as part of the string, unless the file ends without a
newline. An empty string is returned if EOF is encountered immediately.
This looks for a newline as a CR/LF pair (\\r\\n) even on UNIX because
this is ... |
This reads until EOF using readline() and returns a list containing
the lines thus read. The optional 'sizehint' argument is ignored.
Remember, because this reads until EOF that means the child
process should have closed its stdout. If you run this method on
a child that is still running... |
Returns the length hint of an object.
def _length_hint(obj):
"""Returns the length hint of an object."""
try:
return len(obj)
except (AttributeError, TypeError):
try:
get_hint = type(obj).__length_hint__
except AttributeError:
return None
try:
... |
Page through text by invoking a program on a temporary file.
def _tempfilepager(generator, cmd, color):
"""Page through text by invoking a program on a temporary file."""
import tempfile
filename = tempfile.mktemp()
# TODO: This never terminates if the passed generator never terminates.
text = "".j... |
Simply print unformatted text. This is the ultimate fallback.
def _nullpager(stream, generator, color):
"""Simply print unformatted text. This is the ultimate fallback."""
for text in generator:
if not color:
text = strip_ansi(text)
stream.write(text) |
Returns a generator which yields the items added to the bar during
construction, and updates the progress bar *after* the yielded block
returns.
def generator(self):
"""
Returns a generator which yields the items added to the bar during
construction, and updates the progress bar... |
Progress iterator. Wrap your iterables with it.
def bar(
it,
label="",
width=32,
hide=None,
empty_char=BAR_EMPTY_CHAR,
filled_char=BAR_FILLED_CHAR,
expected_size=None,
every=1,
):
"""Progress iterator. Wrap your iterables with it."""
count = len(it) if expected_size is None else... |
Progress iterator. Prints a dot for each item being iterated
def dots(it, label="", hide=None, every=1):
"""Progress iterator. Prints a dot for each item being iterated"""
count = 0
if not hide:
STREAM.write(label)
for i, item in enumerate(it):
if not hide:
if i % every == 0... |
Parse version to major, minor, patch, pre-release, build parts.
:param version: version string
:return: dictionary with the keys 'build', 'major', 'minor', 'patch',
and 'prerelease'. The prerelease or build keys can be None
if not provided
:rtype: dict
>>> import semver
>... |
Parse version string to a VersionInfo instance.
:param version: version string
:return: a :class:`VersionInfo` instance
:rtype: :class:`VersionInfo`
>>> import semver
>>> version_info = semver.parse_version_info("3.4.5-pre.2+build.4")
>>> version_info.major
3
>>> version_info.minor
... |
Compare two versions
:param ver1: version string 1
:param ver2: version string 2
:return: The return value is negative if ver1 < ver2,
zero if ver1 == ver2 and strictly positive if ver1 > ver2
:rtype: int
>>> import semver
>>> semver.compare("1.0.0", "2.0.0")
-1
>>> semver... |
Compare two versions through a comparison
:param str version: a version string
:param str match_expr: operator and version; valid operators are
< smaller than
> greater than
>= greator or equal than
<= smaller or equal than
== equal
!= not equ... |
Returns the greater version of two versions
:param ver1: version string 1
:param ver2: version string 2
:return: the greater version of the two
:rtype: :class:`VersionInfo`
>>> import semver
>>> semver.max_ver("1.0.0", "2.0.0")
'2.0.0'
def max_ver(ver1, ver2):
"""Returns the greater v... |
Returns the smaller version of two versions
:param ver1: version string 1
:param ver2: version string 2
:return: the smaller version of the two
:rtype: :class:`VersionInfo`
>>> import semver
>>> semver.min_ver("1.0.0", "2.0.0")
'1.0.0'
def min_ver(ver1, ver2):
"""Returns the smaller v... |
Format a version according to the Semantic Versioning specification
:param str major: the required major part of a version
:param str minor: the required minor part of a version
:param str patch: the required patch part of a version
:param str prerelease: the optional prerelease part of a version
:... |
Set constants _EOF and _INTR.
This avoids doing potentially costly operations on module load.
def _make_eof_intr():
"""Set constants _EOF and _INTR.
This avoids doing potentially costly operations on module load.
"""
global _EOF, _INTR
if (_EOF is not None) and (_INTR is not None):
... |
Start the given command in a child process in a pseudo terminal.
This does all the fork/exec type of stuff for a pty, and returns an
instance of PtyProcess.
If preexec_fn is supplied, it will be called with no arguments in the
child process before exec-ing the specified command.
... |
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