OpenDroneMap-WebODM/coreplugins/cloudimport/api_views.py

138 wiersze
5.1 KiB
Python

import importlib
import requests
import os
from os import path
from app import models, pending_actions
from app.plugins.views import TaskView
from app.plugins.worker import run_function_async
from app.plugins import get_current_plugin
from worker.celery import app
from rest_framework.response import Response
from rest_framework import status
from .platform_helper import get_all_platforms, get_platform_by_name
class ImportFolderTaskView(TaskView):
def post(self, request, project_pk=None, pk=None):
task = self.get_and_check_task(request, pk)
# Read form data
folder_url = request.data.get('selectedFolderUrl', None)
platform_name = request.data.get('platform', None)
# Make sure both values are set
if folder_url == None or platform_name == None:
return Response({'error': 'Folder URL and platform name must be set.'}, status=status.HTTP_400_BAD_REQUEST)
# Fetch the platform by name
platform = get_platform_by_name(platform_name)
# Make sure that the platform actually exists
if platform == None:
return Response({'error': 'Failed to find a platform with the name \'{}\''.format(platform_name)}, status=status.HTTP_400_BAD_REQUEST)
# Verify that the folder url is valid
if platform.verify_folder_url(folder_url) == None:
return Response({'error': 'Invalid URL'}, status=status.HTTP_400_BAD_REQUEST)
# Get the files from the folder
files = platform.import_from_folder(folder_url)
# Update the task with the new information
task.console_output += "Importing {} images...\n".format(len(files))
task.images_count = len(files)
task.pending_action = pending_actions.IMPORT
task.save()
# Associate the folder url with the project and task
combined_id = "{}_{}".format(project_pk, pk)
get_current_plugin().get_global_data_store().set_string(combined_id, folder_url)
# Start importing the files in the background
serialized = [file.serialize() for file in files]
run_function_async(import_files, task.id, serialized)
return Response({}, status=status.HTTP_200_OK)
class CheckUrlTaskView(TaskView):
def get(self, request, project_pk=None, pk=None):
# Assert that task exists
self.get_and_check_task(request, pk)
# Check if there is an imported url associated with the project and task
combined_id = "{}_{}".format(project_pk, pk)
folder_url = get_current_plugin().get_global_data_store().get_string(combined_id, default = None)
if folder_url == None:
return Response({}, status=status.HTTP_200_OK)
else:
return Response({'folder_url': folder_url}, status=status.HTTP_200_OK)
class PlatformsVerifyTaskView(TaskView):
def get(self, request, platform_name):
# Read the form data
folder_url = request.GET.get('folderUrl', None)
# Fetch the platform by name
platform = get_platform_by_name(platform_name)
# Make sure that the platform actually exists
if platform == None:
return Response({'error': 'Failed to find a platform with the name \'{}\''.format(platform_name)}, status=status.HTTP_400_BAD_REQUEST)
# Verify that the folder url is valid
folder = platform.verify_folder_url(folder_url)
if folder == None:
return Response({'error': 'Invalid URL'}, status=status.HTTP_400_BAD_REQUEST)
# Return the folder
return Response({'folder': folder.serialize()}, status=status.HTTP_200_OK)
class PlatformsTaskView(TaskView):
def get(self, request):
# Fetch and return all platforms
platforms = get_all_platforms()
return Response({'platforms': [platform.serialize(user = request.user) for platform in platforms]}, status=status.HTTP_200_OK)
def import_files(task_id, files):
import requests
from app import models
from app.plugins import logger
def download_file(task, file):
path = task.task_path(file['name'])
download_stream = requests.get(file['url'], stream=True, timeout=60)
with open(path, 'wb') as fd:
for chunk in download_stream.iter_content(4096):
fd.write(chunk)
models.ImageUpload.objects.create(task=task, image=path)
logger.info("Will import {} files".format(len(files)))
task = models.Task.objects.get(pk=task_id)
task.create_task_directories()
task.save()
try:
downloaded_total = 0
for file in files:
download_file(task, file)
task.check_if_canceled()
models.Task.objects.filter(pk=task.id).update(upload_progress=(float(downloaded_total) / float(len(files))))
downloaded_total += 1
except (requests.exceptions.Timeout, requests.exceptions.ConnectionError) as e:
raise NodeServerError(e)
task.refresh_from_db()
task.pending_action = None
task.processing_time = 0
task.partial = False
task.save()