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from flask import request
from flask_login import current_user
from flask_restful import Resource, marshal_with
import services
from configs import dify_config
from constants import DOCUMENT_EXTENSIONS
from controllers.common.errors import FilenameNotExistsError
from controllers.console.wraps import (
account_initialization_required,
cloud_edition_billing_resource_check,
setup_required,
)
from fields.file_fields import file_fields, upload_config_fields
from libs.login import login_required
from services.file_service import FileService
from .errors import (
FileTooLargeError,
NoFileUploadedError,
TooManyFilesError,
UnsupportedFileTypeError,
)
PREVIEW_WORDS_LIMIT = 3000
class FileApi(Resource):
@setup_required
@login_required
@account_initialization_required
@marshal_with(upload_config_fields)
def get(self):
return {
"file_size_limit": dify_config.UPLOAD_FILE_SIZE_LIMIT,
"batch_count_limit": dify_config.UPLOAD_FILE_BATCH_LIMIT,
"image_file_size_limit": dify_config.UPLOAD_IMAGE_FILE_SIZE_LIMIT,
"video_file_size_limit": dify_config.UPLOAD_VIDEO_FILE_SIZE_LIMIT,
"audio_file_size_limit": dify_config.UPLOAD_AUDIO_FILE_SIZE_LIMIT,
"workflow_file_upload_limit": dify_config.WORKFLOW_FILE_UPLOAD_LIMIT,
}, 200
@setup_required
@login_required
@account_initialization_required
@marshal_with(file_fields)
@cloud_edition_billing_resource_check("documents")
def post(self):
file = request.files["file"]
source = request.form.get("source")
if "file" not in request.files:
raise NoFileUploadedError()
if len(request.files) > 1:
raise TooManyFilesError()
if not file.filename:
raise FilenameNotExistsError
if source not in ("datasets", None):
source = None
try:
upload_file = FileService.upload_file(
filename=file.filename,
content=file.read(),
mimetype=file.mimetype,
user=current_user,
source=source,
)
except services.errors.file.FileTooLargeError as file_too_large_error:
raise FileTooLargeError(file_too_large_error.description)
except services.errors.file.UnsupportedFileTypeError:
raise UnsupportedFileTypeError()
return upload_file, 201
class FilePreviewApi(Resource):
@setup_required
@login_required
@account_initialization_required
def get(self, file_id):
file_id = str(file_id)
text = FileService.get_file_preview(file_id)
return {"content": text}
class FileSupportTypeApi(Resource):
@setup_required
@login_required
@account_initialization_required
def get(self):
return {"allowed_extensions": DOCUMENT_EXTENSIONS}
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