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This commit is contained in:
Juda Kaleta 2014-03-13 09:39:53 +01:00
parent 9d3b9db37b
commit 783dc5c2a2
1 changed files with 19 additions and 1 deletions
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20
embed_video/backends.py
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@ -16,24 +16,33 @@ from .settings import EMBED_VIDEO_BACKENDS, EMBED_VIDEO_TIMEOUT
class EmbedVideoException(Exception):
""" Parental class for all embed_video exceptions """
pass
class VideoDoesntExistException(EmbedVideoException):
""" Exception thrown if video doesn't exist """
pass
class UnknownBackendException(EmbedVideoException):
""" Exception thrown if video backend is not recognized. """
pass
class UnknownIdException(EmbedVideoException):
"""
Exception thrown if backend is detected, but video ID cannot be parsed.
"""
pass
def detect_backend(url):
"""
Detect the right backend for given URL.
Goes over backends in ``settings.EMBED_VIDEO_BACKENDS``,
calls :py:func:`~VideoBackend.is_valid` and returns backend instance.
"""
for backend_name in EMBED_VIDEO_BACKENDS:
@ -46,7 +55,13 @@ def detect_backend(url):
class VideoBackend(object):
"""
Base backend, good to inherit.
Base class used as parental class for backends.
.. code-block:: python
class MyBackend(VideoBackend):
...
"""
re_code = None
@ -129,6 +144,9 @@ class VideoBackend(object):
return True if cls.re_detect.match(url) else False
def get_code(self):
"""
Returns video code matched from given url by :py:data:`re_code`.
"""
match = self.re_code.search(self._url)
if match:
return match.group('code')