17 import os.path
30     def __init__(self, path, error):  argument
31         self.path = path
36         return "Failure determining dependencies of {}: {}".format(self.path, self.error)
52 def walk_up(path):  argument
53     while path:
54         yield path
55         path, _, _ = path.rpartition(os.sep)
58 def get_provides(path):  argument
59     path = os.path.realpath(path)
66     isdir = os.path.isdir(path)
68         pkg_path = path
69         walk_path = path
71         pkg_path = get_fn_name(path)
74         walk_path = os.path.dirname(path)
77         if not os.path.exists(os.path.join(curpath, '__init__.py')):
86         yield package, path
88         if os.path.exists(os.path.join(path, '__init__.py')):
89             yield package, path
91         for dirpath, dirnames, filenames in os.walk(path):
92             relpath = dirpath[len(path)+1:]
110                 fullfn = os.path.join(dirpath, fn)
117 def get_code_depends(code_string, path=None, provide=None, ispkg=False):  argument
119         code = ast.parse(code_string, path)
121         raise DependError(path, exc)
123         raise DependError(path, exc)
136         package_path = os.path.dirname(path)
144         if context and path:
145             module_basepath = os.path.join(package_path, module.replace('.', '/'))
146             if os.path.exists(module_basepath):
148                 yield context + '.' + module, path
152                 if os.path.exists(module_basepath + suffix):
154                     yield context + '.' + module, path
157                 yield module, path
159             yield module, path
165 …("Error: ImportFrom non-zero level outside of a package: {0}".format((module, names, level)), path)
167 …endError("Error: ImportFrom level exceeds package depth: {0}".format((module, names, level)), path)
172                     yield context + '.' + module, path
174                     yield module, path
177 def get_file_depends(path):  argument
179         code_string = open(path, 'r').read()
181         raise DependError(path, exc)
183     return get_code_depends(code_string, path)
187     directory = os.path.realpath(directory)
191         if os.path.isdir(filename):
192             filename = os.path.join(filename, '__init__.py')
207 def get_depends(path):  argument
208     if os.path.isdir(path):
209         return get_depends_recursive(path)
211         return get_file_depends(path)
228         for path in args.path:
229             for provide, fn in get_provides(path):
235         for path in args.path:
237                 modules = get_depends(path)