我们从Python开源项目中，提取了以下50个代码示例，用于说明如何使用sys.version()。
def copy_results(datanames, result_dir, output_dir, verbose): ''' This function copies all the [dataname.predict] results from result_dir to output_dir''' for basename in datanames: try: test_files = ls(result_dir + "/" + basename + "*_test*.predict") if len(test_files)==0: vprint(verbose, "[-] Missing 'test' result files for " + basename) return 0 for f in test_files: copy2(f, output_dir) valid_files = ls(result_dir + "/" + basename + "*_valid*.predict") if len(valid_files)==0: vprint(verbose, "[-] Missing 'valid' result files for " + basename) return 0 for f in valid_files: copy2(f, output_dir) vprint( verbose, "[+] " + basename.capitalize() + " copied") except: vprint(verbose, "[-] Missing result files") return 0 return 1 # ================ Display directory structure and code version (for debug purposes) =================
def setcopyright(): """Set 'copyright' and 'credits' in __builtin__""" builtins.copyright = _Printer("copyright", sys.copyright) if _is_jython: builtins.credits = _Printer( "credits", "Jython is maintained by the Jython developers (www.jython.org).") elif _is_pypy: builtins.credits = _Printer( "credits", "PyPy is maintained by the PyPy developers: http://pypy.org/") else: builtins.credits = _Printer("credits", """\ Thanks to CWI, CNRI, BeOpen.com, Zope Corporation and a cast of thousands for supporting Python development. See www.python.org for more information.""") here = os.path.dirname(os.__file__) builtins.license = _Printer( "license", "See http://www.python.org/%.3s/license.html" % sys.version, ["LICENSE.txt", "LICENSE"], [os.path.join(here, os.pardir), here, os.curdir])
def _make_script(self, entry, filenames, options=None): post_interp = b'' if options: args = options.get('interpreter_args', []) if args: args = ' %s' % ' '.join(args) post_interp = args.encode('utf-8') shebang = self._get_shebang('utf-8', post_interp, options=options) script = self._get_script_text(entry).encode('utf-8') name = entry.name scriptnames = set() if '' in self.variants: scriptnames.add(name) if 'X' in self.variants: scriptnames.add('%s%s' % (name, sys.version[0])) if 'X.Y' in self.variants: scriptnames.add('%s-%s' % (name, sys.version[:3])) if options and options.get('gui', False): ext = 'pyw' else: ext = 'py' self._write_script(scriptnames, shebang, script, filenames, ext)
def metadata(self): pathname = os.path.join(self.dirname, self.filename) name_ver = '%s-%s' % (self.name, self.version) info_dir = '%s.dist-info' % name_ver wrapper = codecs.getreader('utf-8') with ZipFile(pathname, 'r') as zf: wheel_metadata = self.get_wheel_metadata(zf) wv = wheel_metadata['Wheel-Version'].split('.', 1) file_version = tuple([int(i) for i in wv]) if file_version < (1, 1): fn = 'METADATA' else: fn = METADATA_FILENAME try: metadata_filename = posixpath.join(info_dir, fn) with zf.open(metadata_filename) as bf: wf = wrapper(bf) result = Metadata(fileobj=wf) except KeyError: raise ValueError('Invalid wheel, because %s is ' 'missing' % fn) return result
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 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 _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 __init__(self, requirement_string): """DO NOT CALL THIS UNDOCUMENTED METHOD; use Requirement.parse()!""" try: super(Requirement, self).__init__(requirement_string) except packaging.requirements.InvalidRequirement as e: raise RequirementParseError(str(e)) self.unsafe_name = self.name project_name = safe_name(self.name) self.project_name, self.key = project_name, project_name.lower() self.specs = [ (spec.operator, spec.version) for spec in self.specifier] self.extras = tuple(map(safe_extra, self.extras)) self.hashCmp = ( self.key, self.specifier, frozenset(self.extras), str(self.marker) if self.marker else None, ) self.__hash = hash(self.hashCmp)
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 wheel_version(source_dir): """ Return the Wheel-Version of an extracted wheel, if possible. Otherwise, return False if we couldn't parse / extract it. """ try: dist = [d for d in pkg_resources.find_on_path(None, source_dir)][0] wheel_data = dist.get_metadata('WHEEL') wheel_data = Parser().parsestr(wheel_data) version = wheel_data['Wheel-Version'].strip() version = tuple(map(int, version.split('.'))) return version except: return False
def __init__(self, filename): """ :raises InvalidWheelFilename: when the filename is invalid for a wheel """ wheel_info = self.wheel_file_re.match(filename) if not wheel_info: raise InvalidWheelFilename( "%s is not a valid wheel filename." % filename ) self.filename = filename self.name = wheel_info.group('name').replace('_', '-') # we'll assume "_" means "-" due to wheel naming scheme # (https://github.com/pypa/pip/issues/1150) self.version = wheel_info.group('ver').replace('_', '-') self.pyversions = wheel_info.group('pyver').split('.') self.abis = wheel_info.group('abi').split('.') self.plats = wheel_info.group('plat').split('.') # All the tag combinations from this file self.file_tags = set( (x, y, z) for x in self.pyversions for y in self.abis for z in self.plats )
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 __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 _by_version_descending(names): """ 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' >>> _by_version_descending(names) ['Setuptools-1.2.3.egg', 'Setuptools-1.2.3b1.egg'] >>> names = 'Setuptools-1.2.3b1.egg', 'Setuptools-1.2.3.post1.egg' >>> _by_version_descending(names) ['Setuptools-1.2.3.post1.egg', 'Setuptools-1.2.3b1.egg'] """ def _by_version(name): """ Parse each component of the filename """ name, ext = os.path.splitext(name) parts = itertools.chain(name.split('-'), [ext]) return [packaging.version.parse(part) for part in parts] return sorted(names, key=_by_version, reverse=True)
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 get_install_paths(name): """ Return the (distutils) install paths for the named dist. A dict with ('purelib', 'platlib', 'headers', 'scripts', 'data') keys. """ paths = {} i = get_install_command(name) for key in install.SCHEME_KEYS: paths[key] = getattr(i, 'install_' + key) # pip uses a similar path as an alternative to the system's (read-only) # include directory: if hasattr(sys, 'real_prefix'): # virtualenv paths['headers'] = os.path.join(sys.prefix, 'include', 'site', 'python' + sys.version[:3], name) return paths
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 data_file_callback(self, *args): data = args[0] text = "???????????????? ??????:\n" \ "------------------------\n\n" \ "**????????:** {}\n\n" \ "**????:** {}\n\n" \ "**?????? ?????:** {}\n\n" \ "**???????? ?????:** {}\n\n" \ "**???????? ? zip-?????:** {}\n\n" \ "**tid ??????????:** {}".format(data["screenshot"], data["file"], data["version"], data["description"], data["zip"], self.tid_sub_section) if KDialog: KDialog(background_color=[1.0, 1.0, 1.0, 1.0]).show(text=text) else: print(text)
def event_handler(self, *args): try: page_number = int(args[1]) print("Select page %d" % page_number) return except (ValueError, IndexError): pass instance_id = args[0].id if instance_id in ["Yes", "No", "Cancel", "Add reply"]: print("Press button {}".format(instance_id)) return if int(sys.version[0]) >= 3: text_link = args[1] else: text_link = args[1].encode("utf-8") address_link = [item[0] for item in message_links.items() if text_link in item] print(text_link, ">>>", address_link[0])
def setcopyright(): """Set 'copyright' and 'credits' in __builtin__""" __builtin__.copyright = _Printer("copyright", sys.copyright) if sys.platform[:4] == 'java': __builtin__.credits = _Printer( "credits", "Jython is maintained by the Jython developers (www.jython.org).") elif sys.platform == 'cli': __builtin__.credits = _Printer( "credits", "IronPython is maintained by the IronPython developers (www.ironpython.net).") else: __builtin__.credits = _Printer("credits", """\ Thanks to CWI, CNRI, BeOpen.com, Zope Corporation and a cast of thousands for supporting Python development. See www.python.org for more information.""") here = os.path.dirname(os.__file__) __builtin__.license = _Printer( "license", "See http://www.python.org/%.3s/license.html" % sys.version, ["LICENSE.txt", "LICENSE"], [os.path.join(here, os.pardir), here, os.curdir])
def __init__ (self, verbose=0, dry_run=0, force=0): CCompiler.__init__ (self, verbose, dry_run, force) self.__version = get_build_version() self.__arch = get_build_architecture() if self.__arch == "Intel": # x86 if self.__version >= 7: self.__root = r"Software\Microsoft\VisualStudio" self.__macros = MacroExpander(self.__version) else: self.__root = r"Software\Microsoft\Devstudio" self.__product = "Visual Studio version %s" % self.__version else: # Win64. Assume this was built with the platform SDK self.__product = "Microsoft SDK compiler %s" % (self.__version + 6) self.initialized = False
def expand_makefile_vars(s, vars): """Expand Makefile-style variables -- "${foo}" or "$(foo)" -- in 'string' according to 'vars' (a dictionary mapping variable names to values). Variables not present in 'vars' are silently expanded to the empty string. The variable values in 'vars' should not contain further variable expansions; if 'vars' is the output of 'parse_makefile()', you're fine. Returns a variable-expanded version of 's'. """ # This algorithm does multiple expansion, so if vars['foo'] contains # "${bar}", it will expand ${foo} to ${bar}, and then expand # ${bar}... and so forth. This is fine as long as 'vars' comes from # 'parse_makefile()', which takes care of such expansions eagerly, # according to make's variable expansion semantics. while 1: m = _findvar1_rx.search(s) or _findvar2_rx.search(s) if m: (beg, end) = m.span() s = s[0:beg] + vars.get(m.group(1)) + s[end:] else: break return s
def show_version(scoring_version): ''' Python version and library versions ''' swrite('\n=== VERSIONS ===\n\n') # Scoring program version swrite("Scoring program version: " + str(scoring_version) + "\n\n") # Python version swrite("Python version: " + version + "\n\n") # Give information on the version installed swrite("Versions of libraries installed:\n") map(swrite, sorted(["%s==%s\n" % (i.key, i.version) for i in lib()]))
def show_platform(): ''' Show information on platform''' swrite('\n=== SYSTEM ===\n\n') try: linux_distribution = platform.linux_distribution() except: linux_distribution = "N/A" swrite(""" dist: %s linux_distribution: %s system: %s machine: %s platform: %s uname: %s version: %s mac_ver: %s memory: %s number of CPU: %s """ % ( str(platform.dist()), linux_distribution, platform.system(), platform.machine(), platform.platform(), platform.uname(), platform.version(), platform.mac_ver(), psutil.virtual_memory(), str(psutil.cpu_count()) ))
def show_version(): # Python version and library versions swrite('\n=== VERSIONS ===\n\n') # Python version swrite("Python version: " + version + "\n\n") # Give information on the version installed swrite("Versions of libraries installed:\n") map(swrite, sorted(["%s==%s\n" % (i.key, i.version) for i in lib()]))
def get_pixels_slow(self, ximage): ''' Retrieve all pixels from a monitor. Pixels have to be RGB. (!) Insanely slow version, see doc/linux-slow-version. (!) ''' # @TODO: this part takes most of the time. Need a better solution. def pix(pixel, _resultats={}, p__=pack): ''' Apply shifts to a pixel to get the RGB values. This method uses of memoization. ''' # pylint: disable=dangerous-default-value if pixel not in _resultats: _resultats[pixel] = p__('<B', (pixel & rmask) >> 16) + \ p__('<B', (pixel & gmask) >> 8) + \ p__('<B', pixel & bmask) return _resultats[pixel] self.width = ximage.contents.width self.height = ximage.contents.height rmask = ximage.contents.red_mask bmask = ximage.contents.blue_mask gmask = ximage.contents.green_mask get_pix = self.xlib.XGetPixel pixels = [pix(get_pix(ximage, x, y)) for y in range(self.height) for x in range(self.width)] self.image = b''.join(pixels) return self.image
def check(request): return { 'version': '{major}.{minor}.{micro}'.format( major=sys.version_info.major, minor=sys.version_info.minor, micro=sys.version_info.micro ), 'info': sys.version, 'executable': sys.executable, 'platform': sys.platform }
def addbuilddir(): """Append ./build/lib.<platform> in case we're running in the build dir (especially for Guido :-)""" from distutils.util import get_platform s = "build/lib.%s-%.3s" % (get_platform(), sys.version) if hasattr(sys, 'gettotalrefcount'): s += '-pydebug' s = os.path.join(os.path.dirname(sys.path[-1]), s) sys.path.append(s)
def _expand_globals(config): _ensure_cfg_read() if config.has_section('globals'): globals = config.items('globals') else: globals = tuple() sections = config.sections() for section in sections: if section == 'globals': continue for option, value in globals: if config.has_option(section, option): continue config.set(section, option, value) config.remove_section('globals') # now expanding local variables defined in the cfg file # for section in config.sections(): variables = dict(config.items(section)) def _replacer(matchobj): name = matchobj.group(1) if name in variables: return variables[name] return matchobj.group(0) for option, value in config.items(section): config.set(section, option, _VAR_REPL.sub(_replacer, value)) #_expand_globals(_SCHEMES) # FIXME don't rely on sys.version here, its format is an implementation detail # of CPython, use sys.version_info or sys.hexversion
def _main(): """Display all information sysconfig detains.""" print('Platform: "%s"' % get_platform()) print('Python version: "%s"' % get_python_version()) print('Current installation scheme: "%s"' % _get_default_scheme()) print() _print_dict('Paths', get_paths()) print() _print_dict('Variables', get_config_vars())
def __init__(self, filename=None, sign=False, verify=False): """ Initialise an instance using a (valid) filename. """ self.sign = sign self.should_verify = verify self.buildver = '' self.pyver = [PYVER] self.abi = ['none'] self.arch = ['any'] self.dirname = os.getcwd() if filename is None: self.name = 'dummy' self.version = '0.1' self._filename = self.filename else: m = NAME_VERSION_RE.match(filename) if m: info = m.groupdict('') self.name = info['nm'] # Reinstate the local version separator self.version = info['vn'].replace('_', '-') self.buildver = info['bn'] self._filename = self.filename else: dirname, filename = os.path.split(filename) m = FILENAME_RE.match(filename) if not m: raise DistlibException('Invalid name or ' 'filename: %r' % filename) if dirname: self.dirname = os.path.abspath(dirname) self._filename = filename info = m.groupdict('') self.name = info['nm'] self.version = info['vn'] self.buildver = info['bn'] self.pyver = info['py'].split('.') self.abi = info['bi'].split('.') self.arch = info['ar'].split('.')
