diff options
Diffstat (limited to 'eggs/py-1.4.0-py2.6.egg/py/_error.py')
-rw-r--r-- | eggs/py-1.4.0-py2.6.egg/py/_error.py | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/eggs/py-1.4.0-py2.6.egg/py/_error.py b/eggs/py-1.4.0-py2.6.egg/py/_error.py deleted file mode 100644 index 1062bba..0000000 --- a/eggs/py-1.4.0-py2.6.egg/py/_error.py +++ /dev/null @@ -1,83 +0,0 @@ -""" -create errno-specific classes for IO or os calls. - -""" -import sys, os, errno - -class Error(EnvironmentError): - def __repr__(self): - return "%s.%s %r: %s " %(self.__class__.__module__, - self.__class__.__name__, - self.__class__.__doc__, - " ".join(map(str, self.args)), - #repr(self.args) - ) - - def __str__(self): - s = "[%s]: %s" %(self.__class__.__doc__, - " ".join(map(str, self.args)), - ) - return s - -_winerrnomap = { - 2: errno.ENOENT, - 3: errno.ENOENT, - 17: errno.EEXIST, - 22: errno.ENOTDIR, - 267: errno.ENOTDIR, - 5: errno.EACCES, # anything better? -} - -class ErrorMaker(object): - """ lazily provides Exception classes for each possible POSIX errno - (as defined per the 'errno' module). All such instances - subclass EnvironmentError. - """ - Error = Error - _errno2class = {} - - def __getattr__(self, name): - eno = getattr(errno, name) - cls = self._geterrnoclass(eno) - setattr(self, name, cls) - return cls - - def _geterrnoclass(self, eno): - try: - return self._errno2class[eno] - except KeyError: - clsname = errno.errorcode.get(eno, "UnknownErrno%d" %(eno,)) - errorcls = type(Error)(clsname, (Error,), - {'__module__':'py.error', - '__doc__': os.strerror(eno)}) - self._errno2class[eno] = errorcls - return errorcls - - def checked_call(self, func, *args, **kwargs): - """ call a function and raise an errno-exception if applicable. """ - __tracebackhide__ = True - try: - return func(*args, **kwargs) - except self.Error: - raise - except EnvironmentError: - cls, value, tb = sys.exc_info() - if not hasattr(value, 'errno'): - raise - __tracebackhide__ = False - errno = value.errno - try: - if not isinstance(value, WindowsError): - raise NameError - except NameError: - # we are not on Windows, or we got a proper OSError - cls = self._geterrnoclass(errno) - else: - try: - cls = self._geterrnoclass(_winerrnomap[errno]) - except KeyError: - raise value - raise cls("%s%r" % (func.__name__, args)) - __tracebackhide__ = True - -error = ErrorMaker() |