def create_thumbnail(self, doc_url, doc):
'''
create document thumbnail
'''
# save thumbnail
html_response = self.delayed_requests({
'args': [doc_url],
'kwargs': {
'allow_redirects': True
}
})
soup = BeautifulSoup(html_response.content, 'html.parser')
elm_thumbnail = soup.find("img", {"id": "campaign-icon"})
img_response = self.delayed_requests({
'args':
[urlparse.urljoin(html_response.url, elm_thumbnail.attrs['src'])],
'kwargs': {
'allow_redirects': True
}
})
# img_response = requests.get(specialparams['thumbnail_url'], allow_redirects=True)
if img_response.status_code == 200:
doc = doc or KnowledgehubDocument.objects.get(doc_url=doc_url)
doc.save_thumbnail(filename=self.thumb_name_tpl.format(doc.uuid),
image=generate_thumbnail_content(
StringIO(img_response.content),
size=(600, 450)))
else:
print 'img_response.status_code:', img_response.status_code
def create_document_thumbnail(self, object_id):
"""
Create thumbnail for a document.
"""
logger.debug("Generating thumbnail for document #{}.".format(object_id))
try:
document = Document.objects.get(id=object_id)
except Document.DoesNotExist:
logger.error("Document #{} does not exit.".format(object_id))
return
image_path = None
if document.is_image():
image_path = document.doc_file.path
elif document.is_file():
try:
image_file = render_document(document.doc_file.path)
image_path = image_file.name
except ConversionError as e:
logger.debug("Could not convert document #{}: {}.".format(
object_id, e))
try:
if image_path:
assert isfile(image_path) and access(
image_path, R_OK) and os.stat(image_path).st_size > 0
except (AssertionError, TypeError):
image_path = None
if not image_path:
image_path = document.find_placeholder()
if not image_path or not os.path.exists(image_path):
logger.debug(
"Could not find placeholder for document #{}".format(object_id))
return
thumbnail_content = None
try:
thumbnail_content = generate_thumbnail_content(image_path)
except MissingPILError:
logger.error('Pillow not installed, could not generate thumbnail.')
return
if not thumbnail_content:
logger.warning("Thumbnail for document #{} empty.".format(object_id))
filename = 'document-{}-thumb.png'.format(document.uuid)
document.save_thumbnail(filename, thumbnail_content)
logger.debug("Thumbnail for document #{} created.".format(object_id))
def create_document_thumbnail(self, object_id):
"""
Create thumbnail for a document.
"""
logger.debug("Generating thumbnail for document #{}.".format(object_id))
try:
document = Document.objects.get(id=object_id)
except Document.DoesNotExist:
logger.error("Document #{} does not exit.".format(object_id))
return
image_path = None
if document.is_image():
image_path = document.doc_file.path
elif document.is_file():
try:
image_file = render_document(document.doc_file.path)
image_path = image_file.name
except ConversionError as e:
logger.debug("Could not convert document #{}: {}."
.format(object_id, e))
try:
if image_path:
assert isfile(image_path) and access(image_path, R_OK) and os.stat(image_path).st_size > 0
except (AssertionError, TypeError):
image_path = None
if not image_path:
image_path = document.find_placeholder()
if not image_path or not os.path.exists(image_path):
logger.debug("Could not find placeholder for document #{}"
.format(object_id))
return
thumbnail_content = None
try:
thumbnail_content = generate_thumbnail_content(image_path)
except MissingPILError:
logger.error('Pillow not installed, could not generate thumbnail.')
return
if not thumbnail_content:
logger.warning("Thumbnail for document #{} empty.".format(object_id))
filename = 'document-{}-thumb.png'.format(document.uuid)
document.save_thumbnail(filename, thumbnail_content)
logger.debug("Thumbnail for document #{} created.".format(object_id))
def create_thumbnail(doc_url, doc, external_thumbnail_url):
'''
create document thumbnail
'''
img_response = delayed_requests({'args':[external_thumbnail_url], 'kwargs':{'allow_redirects':True}}, module=sys.modules[__name__])
if img_response.status_code == 200:
doc = doc or Document.objects.get(doc_url=doc_url)
doc.save_thumbnail(
filename = thumb_name_tpl.format(doc.uuid),
image = generate_thumbnail_content(StringIO(img_response.content), size=(600, 450))
)
else:
print 'img_response.status_code:', img_response.status_code
def create_document_thumbnail(self, object_id):
"""
Create thumbnail for a document.
"""
logger.debug("Generating thumbnail for document #{}.".format(object_id))
try:
document = Document.objects.get(id=object_id)
except Document.DoesNotExist:
logger.error("Document #{} does not exit.".format(object_id))
return
image_path = None
if document.is_image():
image_path = document.doc_file.path
elif document.is_file():
try:
image_file = render_document(document.doc_file.path)
image_path = image_file.name
except ConversionError as e:
logger.debug(
"Não foi possivel converte o documento #{}: {}.".format(
object_id, e))
if not image_path:
image_path = document.find_placeholder()
if not image_path:
logger.debug(
"Não foi possivel encontrar o espaco reservado para o documento #{}"
.format(object_id))
return
thumbnail_content = None
try:
thumbnail_content = generate_thumbnail_content(image_path)
except MissingPILError:
logger.error('Pillow not installed, could not generate thumbnail.')
return
if not thumbnail_content:
logger.warning("Thumbnail for document #{} empty.".format(object_id))
filename = 'document-{}-thumb.png'.format(document.uuid)
document.save_thumbnail(filename, thumbnail_content)
logger.debug("Thumbnail for document #{} created.".format(object_id))
def create_document_thumbnail(object_id):
"""
Create thumbnail for a document.
"""
logger.debug("Generating thumbnail for document #{}.".format(object_id))
try:
document = Document.objects.get(id=object_id)
except Document.DoesNotExist:
logger.error("Document #{} does not exit.".format(object_id))
return
image_path = None
if document.is_image():
image_path = document.doc_file.path
elif document.is_file():
try:
image_file = render_document(document.doc_file.path)
image_path = image_file.name
except ConversionError as e:
logger.debug("Could not convert document #{}: {}."
.format(object_id, e))
if not image_path:
image_path = document.find_placeholder()
if not image_path:
logger.debug("Could not find placeholder for document #{}"
.format(object_id))
return
try:
thumbnail_content = generate_thumbnail_content(image_path)
except MissingPILError:
logger.error('Pillow not installed, could not generate thumbnail.')
return
filename = 'document-{}-thumb.png'.format(document.uuid)
document.save_thumbnail(filename, thumbnail_content)
logger.debug("Thumbnail for document #{} created.".format(object_id))
def create_document_thumbnail(object_id):
"""
Create thumbnail for a document.
"""
logger.debug("Generating thumbnail for document #{}.".format(object_id))
try:
document = Document.objects.get(id=object_id)
except Document.DoesNotExist:
logger.error("Document #{} does not exit.".format(object_id))
return
image_path = None
if document.is_image():
image_path = document.doc_file.path
elif document.is_file():
try:
image_file = render_document(document.doc_file.path)
image_path = image_file.name
except ConversionError as e:
logger.debug("Could not convert document #{}: {}."
.format(object_id, e))
if not image_path:
image_path = document.find_placeholder()
if not image_path:
logger.debug("Could not find placeholder for document #{}"
.format(object_id))
return
try:
thumbnail_content = generate_thumbnail_content(image_path)
except MissingPILError:
logger.error('Pillow not installed, could not generate thumbnail.')
return
def document_thumb_upload(request,
docid,
template='documents/document_thumb_upload.html'):
document = None
try:
document = _resolve_document(request, docid,
'base.change_resourcebase',
_PERMISSION_MSG_MODIFY)
except Http404:
return HttpResponse(loader.render_to_string(
'404.html', RequestContext(request, {})),
status=404)
except PermissionDenied:
return HttpResponse(loader.render_to_string(
'401.html',
RequestContext(request, {
'error_message':
_("You are not allowed to edit this document.")
})),
status=403)
if document is None:
return HttpResponse('An unknown error has occured.',
content_type="text/plain",
status=401)
if request.method == 'GET':
return render_to_response(
template,
RequestContext(
request, {
"resource": document,
"docid": docid,
'SITEURL': settings.SITEURL[:-1]
}))
elif request.method == 'POST':
status_code = 401
out = {'success': False}
if docid and request.FILES:
data = request.FILES.get('base_file')
if data:
filename = 'document-{}-thumb.png'.format(document.uuid)
path = default_storage.save('tmp/' + filename,
ContentFile(data.read()))
f = os.path.join(settings.MEDIA_ROOT, path)
try:
image_path = f
except:
image_path = document.find_placeholder()
thumbnail_content = None
try:
thumbnail_content = generate_thumbnail_content(image_path)
except MissingPILError:
logger.error(
'Pillow not installed, could not generate thumbnail.')
document.save_thumbnail(filename, thumbnail_content)
logger.debug(
"Thumbnail for document #{} created.".format(docid))
status_code = 200
out['success'] = True
out['resource'] = docid
else:
out['success'] = False
out['errors'] = 'An unknown error has occured.'
out['url'] = reverse('document_detail', args=[docid])
return HttpResponse(json.dumps(out),
content_type='application/json',
status=status_code)
def create_document_thumbnail(self, object_id):
"""
Create thumbnail for a document.
"""
logger.debug("Generating thumbnail for document #{}.".format(object_id))
try:
document = Document.objects.get(id=object_id)
except Document.DoesNotExist:
logger.error("Document #{} does not exist.".format(object_id))
return
image_path = None
image_file = None
if document.is_image:
if not os.path.exists(storage.path(document.doc_file.name)):
from shutil import copyfile
copyfile(document.doc_file.path,
storage.path(document.doc_file.name))
image_file = storage.open(document.doc_file.name, 'rb')
elif document.is_video or document.is_audio:
image_file = open(document.find_placeholder(), 'rb')
elif document.is_file:
try:
document_location = storage.path(document.doc_file.name)
except NotImplementedError as e:
logger.debug(e)
document_location = storage.url(document.doc_file.name)
try:
image_path = render_document(document_location)
if image_path is not None:
try:
image_file = open(image_path, 'rb')
except Exception as e:
logger.debug(e)
logger.debug(
"Failed to render document #{}".format(object_id))
else:
logger.debug("Failed to render document #{}".format(object_id))
except ConversionError as e:
logger.debug("Could not convert document #{}: {}.".format(
object_id, e))
except NotImplementedError as e:
logger.debug("Failed to render document #{}: {}".format(
object_id, e))
thumbnail_content = None
try:
try:
thumbnail_content = generate_thumbnail_content(image_file)
except Exception as e:
logger.error(
"Could not generate thumbnail, falling back to 'placeholder': {}"
.format(e))
thumbnail_content = generate_thumbnail_content(
document.find_placeholder())
except Exception as e:
logger.error("Could not generate thumbnail: {}".format(e))
return
finally:
if image_file is not None:
image_file.close()
if image_path is not None:
os.remove(image_path)
if not thumbnail_content:
logger.warning("Thumbnail for document #{} empty.".format(object_id))
filename = 'document-{}-thumb.png'.format(document.uuid)
document.save_thumbnail(filename, thumbnail_content)
logger.debug("Thumbnail for document #{} created.".format(object_id))
def document_thumb_upload(
request,
docid,
template='documents/document_thumb_upload.html'):
document = None
try:
document = _resolve_document(
request,
docid,
'base.change_resourcebase',
_PERMISSION_MSG_MODIFY)
except Http404:
return HttpResponse(
loader.render_to_string(
'404.html', context={
}, request=request), status=404)
except PermissionDenied:
return HttpResponse(
loader.render_to_string(
'401.html', context={
'error_message': _("You are not allowed to edit this document.")}, request=request), status=403)
if document is None:
return HttpResponse(
'An unknown error has occured.',
content_type="text/plain",
status=401
)
site_url = settings.SITEURL.rstrip('/') if settings.SITEURL.startswith('http') else settings.SITEURL
if request.method == 'GET':
return render(request, template, context={
"resource": document,
"docid": docid,
'SITEURL': site_url
})
elif request.method == 'POST':
status_code = 401
out = {'success': False}
if docid and request.FILES:
data = request.FILES.get('base_file')
if data:
filename = 'document-{}-thumb.png'.format(document.uuid)
path = default_storage.save(
'tmp/' + filename, ContentFile(data.read()))
f = os.path.join(settings.MEDIA_ROOT, path)
try:
image_path = f
except BaseException:
image_path = document.find_placeholder()
thumbnail_content = None
try:
thumbnail_content = generate_thumbnail_content(image_path)
except MissingPILError:
logger.error(
'Pillow not installed, could not generate thumbnail.')
if not thumbnail_content:
logger.warning("Thumbnail for document #{} empty.".format(docid))
document.save_thumbnail(filename, thumbnail_content)
logger.debug(
"Thumbnail for document #{} created.".format(docid))
status_code = 200
out['success'] = True
out['resource'] = docid
else:
out['success'] = False
out['errors'] = 'An unknown error has occured.'
out['url'] = reverse(
'document_detail', args=[
docid])
return HttpResponse(
json.dumps(out),
content_type='application/json',
status=status_code)
