add subliminal for subtitle download. #253

libs/babelfish/exceptions.py

@@ -0,0 +1,85 @@
+# -*- coding: utf-8 -*-
+#
+# Copyright (c) 2013 the BabelFish authors. All rights reserved.
+# Use of this source code is governed by the 3-clause BSD license
+# that can be found in the LICENSE file.
+#
+from __future__ import unicode_literals
+
+
+class Error(Exception):
+    """Base class for all exceptions in babelfish"""
+    pass
+
+
+class LanguageError(Error, AttributeError):
+    """Base class for all language exceptions in babelfish"""
+    pass
+
+
+class LanguageConvertError(LanguageError):
+    """Exception raised by converters when :meth:`~babelfish.converters.LanguageConverter.convert` fails
+
+    :param string alpha3: alpha3 code that failed conversion
+    :param country: country code that failed conversion, if any
+    :type country: string or None
+    :param script: script code that failed conversion, if any
+    :type script: string or None
+
+    """
+    def __init__(self, alpha3, country=None, script=None):
+        self.alpha3 = alpha3
+        self.country = country
+        self.script = script
+
+    def __str__(self):
+        s = self.alpha3
+        if self.country is not None:
+            s += '-' + self.country
+        if self.script is not None:
+            s += '-' + self.script
+        return s
+
+
+class LanguageReverseError(LanguageError):
+    """Exception raised by converters when :meth:`~babelfish.converters.LanguageReverseConverter.reverse` fails
+
+    :param string code: code that failed reverse conversion
+
+    """
+    def __init__(self, code):
+        self.code = code
+
+    def __str__(self):
+        return repr(self.code)
+
+
+class CountryError(Error, AttributeError):
+    """Base class for all country exceptions in babelfish"""
+    pass
+
+
+class CountryConvertError(CountryError):
+    """Exception raised by converters when :meth:`~babelfish.converters.CountryConverter.convert` fails
+
+    :param string alpha2: alpha2 code that failed conversion
+
+    """
+    def __init__(self, alpha2):
+        self.alpha2 = alpha2
+
+    def __str__(self):
+        return self.alpha2
+
+
+class CountryReverseError(CountryError):
+    """Exception raised by converters when :meth:`~babelfish.converters.CountryReverseConverter.reverse` fails
+
+    :param string code: code that failed reverse conversion
+
+    """
+    def __init__(self, code):
+        self.code = code
+
+    def __str__(self):
+        return repr(self.code)