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app.py
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import re
import logging
from seafile_thumbnail.http_request import HTTPRequest
from seafile_thumbnail.http_response import gen_error_response, gen_text_response, thumbnail_get, \
share_link_thumbnail_create, gen_thumbnail_response, share_link_thumbnail_get, gen_cache_response
from seafile_thumbnail.serializers import ThumbnailSerializer
from seafile_thumbnail.utils import cache_check
logger = logging.getLogger(__name__)
class App:
async def __call__(self, scope, receive, send):
# request
request = HTTPRequest(**scope)
if request.method != 'GET':
response_stat, response_body = gen_error_response(
405, 'Method %s not allowed' % request.method
)
await send(response_stat)
await send(response_body)
return
# ------ping
if request.url in ('ping', 'ping/'):
response_stat, response_body = gen_text_response('pong')
await send(response_stat)
await send(response_body)
return
# serialize check
try:
serializer = ThumbnailSerializer(request)
thumbnail_info = serializer.thumbnail_info
except AssertionError as e:
status_code, msg = e.args
response_stat, response_body = gen_error_response(
status_code, msg
)
await send(response_stat)
await send(response_body)
return
except Exception as e:
logger.error("Failed to init thumbnail information: %s" % e)
response_stat, response_body = gen_error_response(
500, 'Internal Server Error'
)
await send(response_stat)
await send(response_body)
return
# ========= router=======
# ------thumbnail
if re.match('^thumbnail/(?P<repo_id>[-0-9a-f]{36})/create/$', request.url):
# cache
try:
if cache_check(request, thumbnail_info):
response_start, response_body = gen_cache_response()
await send(response_start)
await send(response_body)
return
except Exception as e:
logger.exception(e)
response_start, response_body = await gen_thumbnail_response(
request, thumbnail_info)
await send(response_start)
await send(response_body)
return
elif re.match('^thumbnail/(?P<repo_id>[-0-9a-f]{36})/(?P<size>[0-9]+)/(?P<path>.*)$', request.url):
# cache
try:
if cache_check(request, thumbnail_info):
response_start, response_body = gen_cache_response()
await send(response_start)
await send(response_body)
return
except Exception as e:
logger.exception(e)
response_start, response_body = await thumbnail_get(request, thumbnail_info)
await send(response_start)
await send(response_body)
return
elif re.match('^thumbnail/(?P<token>[a-f0-9]+)/create/$', request.url):
# cache
try:
if cache_check(request, thumbnail_info):
response_start, response_body = gen_cache_response()
await send(response_start)
await send(response_body)
return
except Exception as e:
logger.exception(e)
response_start, response_body = await share_link_thumbnail_create(request, thumbnail_info)
await send(response_start)
await send(response_body)
return
elif re.match('^thumbnail/(?P<token>[a-f0-9]+)/(?P<size>[0-9]+)/(?P<path>.*)$', request.url):
# cache
try:
if cache_check(request, thumbnail_info):
response_start, response_body = gen_cache_response()
await send(response_start)
await send(response_body)
return
except Exception as e:
logger.exception(e)
response_start, response_body = await share_link_thumbnail_get(request, thumbnail_info)
await send(response_start)
await send(response_body)
return
else:
response_stat, response_body = gen_error_response(
404, 'Not Found'
)
await send(response_stat)
await send(response_body)
return
app = App()