Python platform.version() Examples

def default_environment():
    if hasattr(sys, "implementation"):
        iver = format_full_version(sys.implementation.version)
        implementation_name = sys.implementation.name
    else:
        iver = "0"
        implementation_name = ""

    return {
        "implementation_name": implementation_name,
        "implementation_version": iver,
        "os_name": os.name,
        "platform_machine": platform.machine(),
        "platform_release": platform.release(),
        "platform_system": platform.system(),
        "platform_version": platform.version(),
        "python_full_version": platform.python_version(),
        "platform_python_implementation": platform.python_implementation(),
        "python_version": platform.python_version()[:3],
        "sys_platform": sys.platform,
    } 

def default_environment():
    if hasattr(sys, 'implementation'):
        iver = format_full_version(sys.implementation.version)
        implementation_name = sys.implementation.name
    else:
        iver = '0'
        implementation_name = ''

    return {
        "implementation_name": implementation_name,
        "implementation_version": iver,
        "os_name": os.name,
        "platform_machine": platform.machine(),
        "platform_release": platform.release(),
        "platform_system": platform.system(),
        "platform_version": platform.version(),
        "python_full_version": platform.python_version(),
        "platform_python_implementation": platform.python_implementation(),
        "python_version": platform.python_version()[:3],
        "sys_platform": sys.platform,
    } 

def split_sections(s):
    """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're returned in a first ``section`` of ``None``.
    """
    section = None
    content = []
    for line in yield_lines(s):
        if line.startswith("["):
            if line.endswith("]"):
                if section or content:
                    yield section, content
                section = line[1:-1].strip()
                content = []
            else:
                raise ValueError("Invalid section heading", line)
        else:
            content.append(line)

    # wrap up last segment
    yield section, content 

def get_provenance_dict():
    """
    Returns a dictionary encoding an execution of stdpopsim conforming to the
    tskit provenance schema.
    """
    document = {
        "schema_version": "1.0.0",
        "software": {
            "name": "stdpopsim",
            "version": stdpopsim.__version__
        },
        "parameters": {
            "command": sys.argv[0],
            "args": sys.argv[1:]
        },
        "environment": get_environment()
    }
    return document 

def get_environment():
    """
    Returns a dictionary describing the environment in which stdpopsim
    is currently running.
    """
    env = {
        "os": {
            "system": platform.system(),
            "node": platform.node(),
            "release": platform.release(),
            "version": platform.version(),
            "machine": platform.machine(),
        },
        "python": {
            "implementation": platform.python_implementation(),
            "version": platform.python_version(),
        },
        "libraries": {
            "msprime": {"version": msprime.__version__},
            "tskit": {"version": tskit.__version__},
        }
    }
    return env 

def default_environment():
    if hasattr(sys, 'implementation'):
        iver = format_full_version(sys.implementation.version)
        implementation_name = sys.implementation.name
    else:
        iver = '0'
        implementation_name = ''

    return {
        "implementation_name": implementation_name,
        "implementation_version": iver,
        "os_name": os.name,
        "platform_machine": platform.machine(),
        "platform_release": platform.release(),
        "platform_system": platform.system(),
        "platform_version": platform.version(),
        "python_full_version": platform.python_version(),
        "platform_python_implementation": platform.python_implementation(),
        "python_version": platform.python_version()[:3],
        "sys_platform": sys.platform,
    } 

def default_environment():
    if hasattr(sys, 'implementation'):
        iver = format_full_version(sys.implementation.version)
        implementation_name = sys.implementation.name
    else:
        iver = '0'
        implementation_name = ''

    return {
        "implementation_name": implementation_name,
        "implementation_version": iver,
        "os_name": os.name,
        "platform_machine": platform.machine(),
        "platform_release": platform.release(),
        "platform_system": platform.system(),
        "platform_version": platform.version(),
        "python_full_version": platform.python_version(),
        "platform_python_implementation": platform.python_implementation(),
        "python_version": platform.python_version()[:3],
        "sys_platform": sys.platform,
    } 

def default_environment():
    if hasattr(sys, 'implementation'):
        iver = format_full_version(sys.implementation.version)
        implementation_name = sys.implementation.name
    else:
        iver = '0'
        implementation_name = ''

    return {
        "implementation_name": implementation_name,
        "implementation_version": iver,
        "os_name": os.name,
        "platform_machine": platform.machine(),
        "platform_release": platform.release(),
        "platform_system": platform.system(),
        "platform_version": platform.version(),
        "python_full_version": platform.python_version(),
        "platform_python_implementation": platform.python_implementation(),
        "python_version": platform.python_version()[:3],
        "sys_platform": sys.platform,
    } 

def __init__(self, expected, given=None):
        if given:
            message = (
                "The specified Python version ({}) "
                "is not supported by the project ({}).\n"
                "Please choose a compatible version "
                "or loosen the python constraint specified "
                "in the pyproject.toml file.".format(given, expected)
            )
        else:
            message = (
                "Poetry was unable to find a compatible version. "
                "If you have one, you can explicitly use it "
                'via the "env use" command.'
            )

        super(NoCompatiblePythonVersionFound, self).__init__(message) 

def get_supported_platform():
    """Return this platform's maximum compatible version.

    distutils.util.get_platform() normally reports the minimum version
    of Mac OS X that would be required to *use* extensions produced by
    distutils.  But what we want when checking compatibility is to know the
    version of Mac OS X that we are *running*.  To allow usage of packages that
    explicitly require a newer version of Mac OS X, we must also know the
    current version of the OS.

    If this condition occurs for any other platform with a version in its
    platform strings, this function should be extended accordingly.
    """
    plat = get_build_platform()
    m = macosVersionString.match(plat)
    if m is not None and sys.platform == "darwin":
        try:
            plat = 'macosx-%s-%s' % ('.'.join(_macosx_vers()[:2]), m.group(3))
        except ValueError:
            # not Mac OS X
            pass
    return plat 

def get_build_platform():
    """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.
    """
    try:
        # Python 2.7 or >=3.2
        from sysconfig import get_platform
    except ImportError:
        from distutils.util import get_platform

    plat = get_platform()
    if sys.platform == "darwin" and not plat.startswith('macosx-'):
        try:
            version = _macosx_vers()
            machine = os.uname()[4].replace(" ", "_")
            return "macosx-%d.%d-%s" % (int(version[0]), int(version[1]),
                _macosx_arch(machine))
        except ValueError:
            # if someone is running a non-Mac darwin system, this will fall
            # through to the default implementation
            pass
    return plat 

def __init__(self, search_path=None, platform=get_supported_platform(),
            python=PY_MAJOR):
        """Snapshot distributions available on a search path

        Any distributions found on `search_path` are added to the environment.
        `search_path` should be a sequence of ``sys.path`` items.  If not
        supplied, ``sys.path`` is used.

        `platform` is an optional string specifying the name of the platform
        that platform-specific distributions must be compatible with.  If
        unspecified, it defaults to the current platform.  `python` is an
        optional string naming the desired version of Python (e.g. ``'3.3'``);
        it defaults to the current version.

        You may explicitly set `platform` (and/or `python`) to ``None`` if you
        wish to map *all* distributions, not just those compatible with the
        running platform or Python version.
        """
        self._distmap = {}
        self.platform = platform
        self.python = python
        self.scan(search_path) 

def best_match(self, req, working_set, installer=None):
        """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 `working_set`.)  If a suitable distribution
        isn't active, this method returns the newest distribution in the
        environment that meets the ``Requirement`` in `req`.  If no suitable
        distribution is found, and `installer` is supplied, then the result of
        calling the environment's ``obtain(req, installer)`` method will be
        returned.
        """
        dist = working_set.find(req)
        if dist is not None:
            return dist
        for dist in self[req.key]:
            if dist in req:
                return dist
        # try to download/install
        return self.obtain(req, installer) 

def __init__(self, search_path=None, platform=get_supported_platform(),
            python=PY_MAJOR):
        """Snapshot distributions available on a search path

        Any distributions found on `search_path` are added to the environment.
        `search_path` should be a sequence of ``sys.path`` items.  If not
        supplied, ``sys.path`` is used.

        `platform` is an optional string specifying the name of the platform
        that platform-specific distributions must be compatible with.  If
        unspecified, it defaults to the current platform.  `python` is an
        optional string naming the desired version of Python (e.g. ``'3.3'``);
        it defaults to the current version.

        You may explicitly set `platform` (and/or `python`) to ``None`` if you
        wish to map *all* distributions, not just those compatible with the
        running platform or Python version.
        """
        self._distmap = {}
        self.platform = platform
        self.python = python
        self.scan(search_path) 

def best_match(self, req, working_set, installer=None):
        """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 `working_set`.)  If a suitable distribution
        isn't active, this method returns the newest distribution in the
        environment that meets the ``Requirement`` in `req`.  If no suitable
        distribution is found, and `installer` is supplied, then the result of
        calling the environment's ``obtain(req, installer)`` method will be
        returned.
        """
        dist = working_set.find(req)
        if dist is not None:
            return dist
        for dist in self[req.key]:
            if dist in req:
                return dist
        # try to download/install
        return self.obtain(req, installer) 

def default_environment():
    if hasattr(sys, 'implementation'):
        iver = format_full_version(sys.implementation.version)
        implementation_name = sys.implementation.name
    else:
        iver = '0'
        implementation_name = ''

    return {
        "implementation_name": implementation_name,
        "implementation_version": iver,
        "os_name": os.name,
        "platform_machine": platform.machine(),
        "platform_release": platform.release(),
        "platform_system": platform.system(),
        "platform_version": platform.version(),
        "python_full_version": platform.python_version(),
        "platform_python_implementation": platform.python_implementation(),
        "python_version": platform.python_version()[:3],
        "sys_platform": sys.platform,
    } 

def get_provenance_dict(command=None, **kwargs):
    """
    Returns a dictionary encoding an execution of tsinfer following the
    tskit provenance schema.

    https://tskit.readthedocs.io/en/stable/provenance.html
    """
    if command is None:
        raise ValueError("Command must be provided")
    parameters = dict(kwargs)
    parameters["command"] = command
    document = {
        "schema_version": "1.0.0",
        "software": {"name": "tsinfer", "version": __version__},
        "parameters": parameters,
        "environment": get_environment(),
    }
    return document 

def get_environment():
    """
    Returns a dictionary describing the environment in which tsinfer
    is currently running.
    """
    env = {
        "libraries": {
            "zarr": {"version": zarr.__version__},
            "numcodecs": {"version": numcodecs.__version__},
            "lmdb": {"version": lmdb.__version__},
            "tskit": {"version": tskit.__version__},
        },
        "os": {
            "system": platform.system(),
            "node": platform.node(),
            "release": platform.release(),
            "version": platform.version(),
            "machine": platform.machine(),
        },
        "python": {
            "implementation": platform.python_implementation(),
            "version": platform.python_version_tuple(),
        },
    }
    return env 

def default_environment():
    if hasattr(sys, 'implementation'):
        iver = format_full_version(sys.implementation.version)
        implementation_name = sys.implementation.name
    else:
        iver = '0'
        implementation_name = ''

    return {
        "implementation_name": implementation_name,
        "implementation_version": iver,
        "os_name": os.name,
        "platform_machine": platform.machine(),
        "platform_release": platform.release(),
        "platform_system": platform.system(),
        "platform_version": platform.version(),
        "python_full_version": platform.python_version(),
        "platform_python_implementation": platform.python_implementation(),
        "python_version": platform.python_version()[:3],
        "sys_platform": sys.platform,
    } 

def split_sections(s):
    """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're returned in a first ``section`` of ``None``.
    """
    section = None
    content = []
    for line in yield_lines(s):
        if line.startswith("["):
            if line.endswith("]"):
                if section or content:
                    yield section, content
                section = line[1:-1].strip()
                content = []
            else:
                raise ValueError("Invalid section heading", line)
        else:
            content.append(line)

    # wrap up last segment
    yield section, content 

def default_environment():
    if hasattr(sys, "implementation"):
        iver = format_full_version(sys.implementation.version)
        implementation_name = sys.implementation.name
    else:
        iver = "0"
        implementation_name = ""

    return {
        "implementation_name": implementation_name,
        "implementation_version": iver,
        "os_name": os.name,
        "platform_machine": platform.machine(),
        "platform_release": platform.release(),
        "platform_system": platform.system(),
        "platform_version": platform.version(),
        "python_full_version": platform.python_version(),
        "platform_python_implementation": platform.python_implementation(),
        "python_version": platform.python_version()[:3],
        "sys_platform": sys.platform,
    } 

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 be
        parsed properly
        downstream by Distribution and safe_version, so
        take an extra step and try to get the version number from
        the metadata file itself instead of the filename.
        """
        md_version = _version_from_file(self._get_metadata(self.PKG_INFO))
        if md_version:
            self._version = md_version
        return self 

def get_supported_platform():
    """Return this platform's maximum compatible version.

    distutils.util.get_platform() normally reports the minimum version
    of Mac OS X that would be required to *use* extensions produced by
    distutils.  But what we want when checking compatibility is to know the
    version of Mac OS X that we are *running*.  To allow usage of packages that
    explicitly require a newer version of Mac OS X, we must also know the
    current version of the OS.

    If this condition occurs for any other platform with a version in its
    platform strings, this function should be extended accordingly.
    """
    plat = get_build_platform()
    m = macosVersionString.match(plat)
    if m is not None and sys.platform == "darwin":
        try:
            plat = 'macosx-%s-%s' % ('.'.join(_macosx_vers()[:2]), m.group(3))
        except ValueError:
            # not Mac OS X
            pass
    return plat 

def _macosx_vers(_cache=[]):
    if not _cache:
        import platform
        version = platform.mac_ver()[0]
        # fallback for MacPorts
        if version == '':
            import plistlib
            plist = '/System/Library/CoreServices/SystemVersion.plist'
            if os.path.exists(plist):
                if hasattr(plistlib, 'readPlist'):
                    plist_content = plistlib.readPlist(plist)
                    if 'ProductVersion' in plist_content:
                        version = plist_content['ProductVersion']

        _cache.append(version.split('.'))
    return _cache[0] 

def get_build_platform():
    """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.
    """
    try:
        # Python 2.7 or >=3.2
        from sysconfig import get_platform
    except ImportError:
        from distutils.util import get_platform

    plat = get_platform()
    if sys.platform == "darwin" and not plat.startswith('macosx-'):
        try:
            version = _macosx_vers()
            machine = os.uname()[4].replace(" ", "_")
            return "macosx-%d.%d-%s" % (int(version[0]), int(version[1]),
                _macosx_arch(machine))
        except ValueError:
            # if someone is running a non-Mac darwin system, this will fall
            # through to the default implementation
            pass
    return plat 

def _warn_legacy_version(self):
        LV = packaging.version.LegacyVersion
        is_legacy = isinstance(self._parsed_version, LV)
        if not is_legacy:
            return

        # While an empty version is technically a legacy version and
        # is not a valid PEP 440 version, it's also unlikely to
        # actually come from someone and instead it is more likely that
        # it comes from setuptools attempting to parse a filename and
        # including it in the list. So for that we'll gate this warning
        # on if the version is anything at all or not.
        if not self.version:
            return

        tmpl = textwrap.dedent("""
            '{project_name} ({version})' is being parsed as a legacy,
            non PEP 440,
            version. You may find odd behavior and sort order.
            In particular it will be sorted as less than 0.0. It
            is recommended to migrate to PEP 440 compatible
            versions.
            """).strip().replace('\n', ' ')

        warnings.warn(tmpl.format(**vars(self)), PEP440Warning) 

def format_full_version(info):
    version = '{0.major}.{0.minor}.{0.micro}'.format(info)
    kind = info.releaselevel
    if kind != 'final':
        version += kind[0] + str(info.serial)
    return version 

def __str__(self):
        try: version = getattr(self,'version',None)
        except ValueError: version = None
        version = version or "[unknown version]"
        return "%s %s" % (self.project_name, version) 

def format_full_version(info):
    version = "{0.major}.{0.minor}.{0.micro}".format(info)
    kind = info.releaselevel
    if kind != "final":
        version += kind[0] + str(info.serial)
    return version 

def as_requirement(self):
        """Return a ``Requirement`` that matches this distribution exactly"""
        return Requirement.parse('%s==%s' % (self.project_name, self.version))