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0 " lzC]q@qn 1h߿ ϳ e """Parser for future statements """ from compiler import ast, walk def is_future(stmt): """Return true if statement is a well-formed future statement""" if not isinstance(stmt, ast.From): return 0 if stmt.modname == "__future__": return 1 else: return 0 class FutureParser: features = ("nested_scopes", "generators", "division", "absolute_import", "with_statement", "print_function", "unicode_literals") def __init__(self): self.found = {} # set def visitModule(self, node): stmt = node.node for s in stmt.nodes: if not self.check_stmt(s): break def check_stmt(self, stmt): if is_future(stmt): for name, asname in stmt.names: if name in self.features: self.found[name] = 1 else: raise SyntaxError, \ "future feature %s is not defined" % name stmt.valid_future = 1 return 1 return 0 def get_features(self): """Return list of features enabled by future statements""" return self.found.keys() class BadFutureParser: """Check for invalid future statements""" def visitFrom(self, node): if hasattr(node, 'valid_future'): return if node.modname != "__future__": return raise SyntaxError, "invalid future statement " + repr(node) def find_futures(node): p1 = FutureParser() p2 = BadFutureParser() walk(node, p1) walk(node, p2) return p1.get_features() if __name__ == "__main__": import sys from compiler import parseFile, walk for file in sys.argv[1:]: print file tree = parseFile(file) v = FutureParser() walk(tree, v) print v.found print # lzC]q@qn2o ? """Provide access to Python's configuration information. """ import sys import os from os.path import pardir, realpath _INSTALL_SCHEMES = { 'posix_prefix': { 'stdlib': '{base}/lib64/python{py_version_short}', 'platstdlib': '{platbase}/lib64/python{py_version_short}', 'purelib': '{base}/lib/python{py_version_short}/site-packages', 'platlib': '{platbase}/lib64/python{py_version_short}/site-packages', 'include': '{base}/include/python{py_version_short}', 'platinclude': '{platbase}/include/python{py_version_short}', 'scripts': '{base}/bin', 'data': '{base}', }, 'posix_home': { 'stdlib': '{base}/lib64/python', 'platstdlib': '{base}/lib64/python', 'purelib': '{base}/lib/python', 'platlib': '{base}/lib64/python', 'include': '{base}/include/python', 'platinclude': '{base}/include/python', 'scripts': '{base}/bin', 'data' : '{base}', }, 'nt': { 'stdlib': '{base}/Lib', 'platstdlib': '{base}/Lib', 'purelib': '{base}/Lib/site-packages', 'platlib': '{base}/Lib/site-packages', 'include': '{base}/Include', 'platinclude': '{base}/Include', 's