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Filename :
FileIO.py
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class TestPath: _path_using_io = ( 'abspath', 'curdir', 'exists', 'expanduser', 'expandvars', 'getatime', 'getctime', 'getmtime', 'getsize', 'isfile', 'islink', 'ismount', 'realpath', 'samefile', 'sameopenfile', 'samestat', 'walk', ) def __init__(self, os): for name in dir(os.path): if (not name.startswith('_') and name not in self._path_using_io): setattr(self, name, getattr(os.path, name)) class TestIO: def __init__(self, mod): os = mod._root.os for name in mod.os_common: setattr(self, name, getattr(os, name)) self.path = TestPath(os) self.files = {} self.tempno = 0 def access(self, name, mode): if name in self.files: return True return False def listdir(self, name): li = [] name = self.path.join(name, '') for k in self.files: if k.startswith(name): rest = k[len(name):] if rest: li.append(rest) return li def mkdtemp(self): self.tempno += 1 return '/tmp/xyz%d' % self.tempno def read_file(self, name): return self.files[name] def remove(self, name): try: del self.files[name] except KeyError: raise IOError('No such file: %r' % name) def rename(self, src, tgt): try: data = self.files[src] except KeyError: raise IOError('No such file: %r' % src) del self.files[src] self.files[tgt] = data def rmdir(self, name): pass def write_file(self, name, text): self.files[name] = text class RealIO: def __init__(self, mod): os = mod._root.os for name in mod.os_common: setattr(self, name, getattr(os, name)) self.path = os.path self.listdir = os.listdir self.makedirs = os.makedirs self.mkdtemp = mod._root.tempfile.mkdtemp self.rmdir = os.rmdir self.access = os.access self.chdir = os.chdir self.remove = os.remove self.rename = os.rename def read_file(self, name): with open(name) as f: return f.read() def write_file(self, name, data): with open(name, 'w') as f: f.write(data) class _GLUECLAMP_: _setable_ = 'IO', os_common = ('R_OK', 'W_OK', 'X_OK') def _get_IO(self): return RealIO(self) def set_IO(self, IO): self.IO = IO def set_test_mode(self): self.set_IO(TestIO(self))