def test_translation_delete_w_edx_video_id(self):
"""
Verify that DELETE dispatch works as expected when video has edx_video_id
"""
request_body = json.dumps({'lang': self.LANGUAGE_CODE_UK, 'edx_video_id': self.EDX_VIDEO_ID})
api.create_video({
'edx_video_id': self.EDX_VIDEO_ID,
'status': 'upload',
'client_video_id': 'awesome.mp4',
'duration': 0,
'encoded_videos': [],
'courses': [unicode(self.course.id)]
})
api.create_video_transcript(
video_id=self.EDX_VIDEO_ID,
language_code=self.LANGUAGE_CODE_UK,
file_format='srt',
content=ContentFile(SRT_content)
)
# verify that a video transcript exists for expected data
self.assertTrue(api.get_video_transcript_data(video_id=self.EDX_VIDEO_ID, language_code=self.LANGUAGE_CODE_UK))
request = Request(self.REQUEST_META, body=request_body)
self.item_descriptor.edx_video_id = self.EDX_VIDEO_ID
response = self.item_descriptor.studio_transcript(request=request, dispatch='translation')
self.assertEqual(response.status_code, 200)
# verify that a video transcript dose not exist for expected data
self.assertFalse(api.get_video_transcript_data(video_id=self.EDX_VIDEO_ID, language_code=self.LANGUAGE_CODE_UK))
def test_transcript_delete_handler(self, is_staff, is_course_staff):
"""
Tests that transcript delete handler works as expected with combinations of staff and course's staff.
"""
# Setup user's roles
self.user.is_staff = is_staff
self.user.save()
course_staff_role = CourseStaffRole(self.course.id)
if is_course_staff:
course_staff_role.add_users(self.user)
else:
course_staff_role.remove_users(self.user)
# Assert the user role
self.assertEqual(self.user.is_staff, is_staff)
self.assertEqual(CourseStaffRole(self.course.id).has_user(self.user), is_course_staff)
video_id, language_code = u'1234', u'en'
# Create a real transcript in VAL.
api.create_or_update_video_transcript(
video_id=video_id,
language_code=language_code,
metadata={'file_format': 'srt'}
)
# Make request to transcript deletion handler
response = self.client.delete(self.get_url_for_course_key(
self.course.id,
edx_video_id=video_id,
language_code=language_code
))
self.assertEqual(response.status_code, 200)
self.assertFalse(api.get_video_transcript_data(video_id=video_id, language_code=language_code))
def test_transcript_delete_handler(self, is_staff, is_course_staff):
"""
Tests that transcript delete handler works as expected with combinations of staff and course's staff.
"""
# Setup user's roles
self.user.is_staff = is_staff
self.user.save()
course_staff_role = CourseStaffRole(self.course.id)
if is_course_staff:
course_staff_role.add_users(self.user)
else:
course_staff_role.remove_users(self.user)
# Assert the user role
self.assertEqual(self.user.is_staff, is_staff)
self.assertEqual(
CourseStaffRole(self.course.id).has_user(self.user),
is_course_staff)
video_id, language_code = u'1234', u'en'
# Create a real transcript in VAL.
api.create_or_update_video_transcript(video_id=video_id,
language_code=language_code,
metadata={'file_format': 'srt'})
# Make request to transcript deletion handler
response = self.client.delete(
self.get_url_for_course_key(self.course.id,
edx_video_id=video_id,
language_code=language_code))
self.assertEqual(response.status_code, 200)
self.assertFalse(
api.get_video_transcript_data(video_id=video_id,
language_code=language_code))
def get_video_transcript_content(edx_video_id, language_code):
"""
Gets video transcript content, only if the corresponding feature flag is enabled for the given `course_id`.
Arguments:
language_code(unicode): Language code of the requested transcript
edx_video_id(unicode): edx-val's video identifier
Returns:
A dict containing transcript's file name and its sjson content.
"""
transcript = None
edx_video_id = clean_video_id(edx_video_id)
if edxval_api and edx_video_id:
try:
transcript = edxval_api.get_video_transcript_data(edx_video_id, language_code)
except ValueError:
log.exception(
f"Error getting transcript from edx-val id: {edx_video_id}: language code {language_code}"
)
content = '{"start": [1],"end": [2],"text": ["An error occured obtaining the transcript."]}'
transcript = dict(
file_name='error-{edx_video_id}-{language_code}.srt',
content=Transcript.convert(content, 'sjson', 'srt')
)
return transcript
def transcript_download_handler(request):
"""
JSON view handler to download a transcript.
Arguments:
request: WSGI request object
Returns:
- A 200 response with SRT transcript file attached.
- A 400 if there is a validation error.
- A 404 if there is no such transcript.
"""
missing = [
attr for attr in ['edx_video_id', 'language_code']
if attr not in request.GET
]
if missing:
return JsonResponse(
{
'error':
_(u'The following parameters are required: {missing}.').format(
missing=', '.join(missing))
},
status=400)
edx_video_id = request.GET['edx_video_id']
language_code = request.GET['language_code']
transcript = get_video_transcript_data(video_id=edx_video_id,
language_code=language_code)
if transcript:
name_and_extension = os.path.splitext(transcript['file_name'])
basename, file_format = name_and_extension[0], name_and_extension[1][
1:]
transcript_filename = '{base_name}.{ext}'.format(base_name=basename,
ext=Transcript.SRT)
transcript_content = Transcript.convert(content=transcript['content'],
input_format=file_format,
output_format=Transcript.SRT)
# Construct an HTTP response
response = HttpResponse(
transcript_content,
content_type=Transcript.mime_types[Transcript.SRT])
response[
'Content-Disposition'] = u'attachment; filename="{filename}"'.format(
filename=transcript_filename)
else:
response = HttpResponseNotFound()
return response
def get_video_transcript_content(edx_video_id, language_code):
"""
Gets video transcript content, only if the corresponding feature flag is enabled for the given `course_id`.
Arguments:
language_code(unicode): Language code of the requested transcript
edx_video_id(unicode): edx-val's video identifier
Returns:
A dict containing transcript's file name and its sjson content.
"""
transcript = None
edx_video_id = clean_video_id(edx_video_id)
if edxval_api and edx_video_id:
transcript = edxval_api.get_video_transcript_data(edx_video_id, language_code)
return transcript
def get_video_transcript_content(edx_video_id, language_code):
"""
Gets video transcript content, only if the corresponding feature flag is enabled for the given `course_id`.
Arguments:
language_code(unicode): Language code of the requested transcript
edx_video_id(unicode): edx-val's video identifier
Returns:
A dict containing transcript's file name and its sjson content.
"""
transcript = None
edx_video_id = clean_video_id(edx_video_id)
if edxval_api and edx_video_id:
transcript = edxval_api.get_video_transcript_data(edx_video_id, language_code)
return transcript
def get_video_transcript_content(language_code, edx_video_id, youtube_id_1_0, html5_sources):
"""
Gets video transcript content, only if the corresponding feature flag is enabled for the given `course_id`.
Arguments:
language_code(unicode): Language code of the requested transcript
edx_video_id(unicode): edx-val's video identifier
youtube_id_1_0(unicode): A youtube source identifier
html5_sources(list): A list containing html5 sources
Returns:
A dict containing transcript's file name and its sjson content.
"""
transcript = None
if edxval_api:
__, video_candidate_ids = get_video_ids_info(edx_video_id, youtube_id_1_0, html5_sources)
transcript = edxval_api.get_video_transcript_data(video_candidate_ids, language_code)
return transcript
def get_video_transcript_content(language_code, edx_video_id, youtube_id_1_0, html5_sources):
"""
Gets video transcript content, only if the corresponding feature flag is enabled for the given `course_id`.
Arguments:
language_code(unicode): Language code of the requested transcript
edx_video_id(unicode): edx-val's video identifier
youtube_id_1_0(unicode): A youtube source identifier
html5_sources(list): A list containing html5 sources
Returns:
A dict containing transcript's file name and its sjson content.
"""
transcript = None
if edxval_api:
__, video_candidate_ids = get_video_ids_info(edx_video_id, youtube_id_1_0, html5_sources)
transcript = edxval_api.get_video_transcript_data(video_candidate_ids, language_code)
return transcript
def transcript_download_handler(request):
"""
JSON view handler to download a transcript.
Arguments:
request: WSGI request object
Returns:
- A 200 response with SRT transcript file attached.
- A 400 if there is a validation error.
- A 404 if there is no such transcript.
"""
missing = [attr for attr in ['edx_video_id', 'language_code'] if attr not in request.GET]
if missing:
return JsonResponse(
{'error': _(u'The following parameters are required: {missing}.').format(missing=', '.join(missing))},
status=400
)
edx_video_id = request.GET['edx_video_id']
language_code = request.GET['language_code']
transcript = get_video_transcript_data(video_id=edx_video_id, language_code=language_code)
if transcript:
name_and_extension = os.path.splitext(transcript['file_name'])
basename, file_format = name_and_extension[0], name_and_extension[1][1:]
transcript_filename = '{base_name}.{ext}'.format(base_name=basename.encode('utf8'), ext=Transcript.SRT)
transcript_content = Transcript.convert(
content=transcript['content'],
input_format=file_format,
output_format=Transcript.SRT
)
# Construct an HTTP response
response = HttpResponse(transcript_content, content_type=Transcript.mime_types[Transcript.SRT])
response['Content-Disposition'] = 'attachment; filename="{filename}"'.format(filename=transcript_filename)
else:
response = HttpResponseNotFound()
return response
