C///

\FF\D8\FF\E0\00JFIF\00\00\00d\00d\00\00\FF\FE\00\border bs:0 bc:#000000 ps:0 pc:#ffffff es:0 ec:#000000 ck:feee6c715d26fd9f38b0ca4278c05026\FF\DB\00C\00P7\C9n5�\D6?\BD�\9Ds\EBp\9F[`8m\B7)o\B5\E8\E6I\99\FE3]]A2\BA\8Cw\D6E\93\\DEv\C8\009\F2\F1NI?uc\\F5\EA\96k\xN<~buv\EA\C8\D7 \8B\84\CEcxI\BBg\AE\9E=\D6+n\EC\80\C8A\8C\AE\EB\CF\D5\DA\E9"2\A4\B9j5\EB\F3W\B63\96\B30Yu\DA\FC8\ED\DF\E7Ms\FB\F1\8E\B3\FA\EA\E8\E6(\883zs\F2_\8DFk\8Bh \00\8C\DCw\D3R\B5+6X\BA\B2\C4j\AB0\B4\FCMw\C2I\8E\9B\E3\A9~9u\FA\D3l\80\C8%p\EE\FDn2� \00$\FEj\C4e\A9\DB\~\95\A7\A5\80EK\BB\8DDsP\00@@AD'k\CF\E8\DB\D2(\80\9AK\D3\85\D6lb\F2\BA\8C*\80\00)\95 59\A3R:\F3\CE"\B6\80\88\00\00i1u4�\E9\F2�\A6\A2\FACM\93WMb*\E0*\00\00\00\00\00(\A8\80\00\00\80\00\00\00\00\00\00\00\00\00\FF\D9 C/// import sys import marshal import contextlib import dis from . import _imp from ._imp import find_module, PY_COMPILED, PY_FROZEN, PY_SOURCE from .extern.packaging.version import Version __all__ = ['Require', 'find_module', 'get_module_constant', 'extract_constant'] class Require: """A prerequisite to building or installing a distribution""" def __init__( self, name, requested_version, module, homepage='', attribute=None, format=None ): if format is None and requested_version is not None: format = Version if format is not None: requested_version = format(requested_version) if attribute is None: attribute = '__version__' self.__dict__.update(locals()) del self.self 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 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 self.format(version) >= self.requested_version ) 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 value cannot be determined without importing the module. The version is formatted according to the requirement's version format (if any), unless it is 'None' or the supplied 'default'. """ if self.attribute is None: try: f, p, i = find_module(self.module, paths) if f: f.close() return default except ImportError: return None v = get_module_constant(self.module, self.attribute, default, paths) if v is not None and v is not default and self.format is not None: return self.format(v) return v def is_present(self, paths=None): """Return true if dependency is present on 'paths'""" return self.get_version(paths) is not None 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(str(version)) def maybe_close(f): @contextlib.contextmanager def empty(): yield return if not f: return empty() return contextlib.closing(f) 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 'default'.""" try: f, path, (suffix, mode, kind) = info = find_module(module, paths) except ImportError: # Module doesn't exist return None with maybe_close(f): if kind == PY_COMPILED: f.read(8) # skip magic & date code = marshal.load(f) elif kind == PY_FROZEN: code = _imp.get_frozen_object(module, paths) elif kind == PY_SOURCE: code = compile(f.read(), path, 'exec') else: # Not something we can parse; we'll have to import it. :( imported = _imp.get_module(module, paths, info