def export_olx(self, user_id, course_key_string, language):
"""
Export a course or library to an OLX .tar.gz archive and prepare it for download.
"""
courselike_key = CourseKey.from_string(course_key_string)
try:
user = User.objects.get(pk=user_id)
except User.DoesNotExist:
with respect_language(language):
self.status.fail(_(u'Unknown User ID: {0}').format(user_id))
return
if not has_course_author_access(user, courselike_key):
with respect_language(language):
self.status.fail(_(u'Permission denied'))
return
if isinstance(courselike_key, LibraryLocator):
courselike_module = modulestore().get_library(courselike_key)
else:
courselike_module = modulestore().get_course(courselike_key)
try:
self.status.set_state(u'Exporting')
tarball = create_export_tarball(courselike_module, courselike_key, {},
self.status)
artifact = UserTaskArtifact(status=self.status, name=u'Output')
artifact.file.save(name=tarball.name, content=File(tarball)) # pylint: disable=no-member
artifact.save()
# catch all exceptions so we can record useful error messages
except Exception as exception: # pylint: disable=broad-except
LOGGER.exception(u'Error exporting course %s', courselike_key)
if self.status.state != UserTaskStatus.FAILED:
self.status.fail({'raw_error_msg': text_type(exception)})
return
def export_olx(self, user_id, course_key_string, language):
"""
Export a course or library to an OLX .tar.gz archive and prepare it for download.
"""
set_code_owner_attribute_from_module(__name__)
courselike_key = CourseKey.from_string(course_key_string)
try:
user = User.objects.get(pk=user_id)
except User.DoesNotExist:
with translation_language(language):
self.status.fail(UserErrors.UNKNOWN_USER_ID.format(user_id))
return
if not has_course_author_access(user, courselike_key):
with translation_language(language):
self.status.fail(UserErrors.PERMISSION_DENIED)
return
if isinstance(courselike_key, LibraryLocator):
courselike_module = modulestore().get_library(courselike_key)
else:
courselike_module = modulestore().get_course(courselike_key)
try:
self.status.set_state('Exporting')
tarball = create_export_tarball(courselike_module, courselike_key, {}, self.status)
artifact = UserTaskArtifact(status=self.status, name='Output')
artifact.file.save(name=os.path.basename(tarball.name), content=File(tarball))
artifact.save()
# catch all exceptions so we can record useful error messages
except Exception as exception: # pylint: disable=broad-except
LOGGER.exception('Error exporting course %s', courselike_key, exc_info=True)
if self.status.state != UserTaskStatus.FAILED:
self.status.fail({'raw_error_msg': str(exception)})
return
def test_long_text_string(self):
"""Long text artifacts should be cropped for the string representation."""
status = self._status()
text = 'blah ' * 50
artifact = UserTaskArtifact(status=status, name='Cropped', text=text)
assert str(artifact) == '<UserTaskArtifact: (Cropped) {}>'.format(
text[:47] + '...')
def test_text_string(self):
"""Text-based UserTaskArtifacts should have a reasonable string representation."""
status = self._status()
artifact = UserTaskArtifact(status=status,
text='This was the output text.')
assert str(
artifact
) == '<UserTaskArtifact: (Output) This was the output text.>'
def test_url_string(self):
"""URL-based UserTaskArtifacts should have a reasonable string representation."""
status = self._status()
artifact = UserTaskArtifact(status=status, url='http://www.edx.org/')
assert str(
artifact) == '<UserTaskArtifact: (Output) http://www.edx.org/>'
def test_file_string(self):
"""File-based UserTaskArtifacts should have a reasonable string representation"""
status = self._status()
uploaded_file = SimpleUploadedFile('file.txt', b'File content')
artifact = UserTaskArtifact(status=status, file=uploaded_file)
assert str(artifact) == '<UserTaskArtifact: (Output) file.txt>'