mirror of
https://github.com/Novartis/cellxgene-gateway.git
synced 2026-09-23 08:58:12 +08:00
119 lines
3.9 KiB
Python
119 lines
3.9 KiB
Python
# Copyright 2019 Novartis Institutes for BioMedical Research Inc. Licensed
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# under the Apache License, Version 2.0 (the "License"); you may not use
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# this file except in compliance with the License. You may obtain a copy
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# of the License at http://www.apache.org/licenses/LICENSE-2.0. Unless
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# required by applicable law or agreed to in writing, software distributed
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# under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES
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# OR CONDITIONS OF ANY KIND, either express or implied. See the License for
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# the specific language governing permissions and limitations under the License.
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from flask import make_response, request
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from requests import get, post, put
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import env
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from cellxgene_exception import CellxgeneException
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from util import current_time_stamp
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class CacheEntry:
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def __init__(
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self,
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pid,
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dataset,
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file_path,
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port,
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launchtime,
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timestamp,
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status,
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message,
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all_output,
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stderr,
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http_status,
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):
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self.pid = pid
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self.dataset = dataset
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self.file_path = file_path
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self.port = port
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self.launchtime = launchtime
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self.timestamp = timestamp
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self.status = status
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self.message = message
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self.all_output = all_output
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self.stderr = stderr
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self.http_status = http_status
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@classmethod
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def for_dataset(cls, dataset, file_path, port):
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return cls(
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"",
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dataset,
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file_path,
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port,
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current_time_stamp(),
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current_time_stamp(),
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"loading",
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"",
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"",
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"",
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"",
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)
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def set_loaded(self, pid):
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self.pid = pid
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self.status = "loaded"
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def set_error(self, message, stderr, http_status):
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self.message = message
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self.stderr = stderr
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self.http_status = http_status
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self.status = "error"
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def serve_content(self, path):
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dataset = self.dataset
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gateway_basepath = (
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f"{env.gateway_protocol}://{env.gateway_host}/view/{dataset}/"
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)
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subpath = path[len(dataset) :] # noqa: E203
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if len(subpath) == 0:
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r = make_response(f"Redirect to {gateway_basepath}\n", 301)
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r.headers["location"] = gateway_basepath
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return r
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port = self.port
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cellxgene_basepath = f"http://127.0.0.1:{port}"
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headers = {}
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if "accept" in request.headers:
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headers["accept"] = request.headers["accept"]
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if "user-agent" in request.headers:
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headers["user-agent"] = request.headers["user-agent"]
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if "content-type" in request.headers:
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headers["content-type"] = request.headers["content-type"]
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if request.method in ['GET', 'HEAD', 'OPTIONS']:
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cellxgene_response = get(cellxgene_basepath + subpath, headers=headers)
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elif request.method == 'PUT':
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cellxgene_response = put(cellxgene_basepath + subpath, headers=headers, data=request.data.decode())
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elif request.method == 'POST':
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cellxgene_response = post(cellxgene_basepath + subpath, headers=headers, data=request.data.decode())
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else:
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raise CellxgeneException(f"Unexpected method {request.method}", 400)
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content_type = cellxgene_response.headers["content-type"]
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if "text" in content_type:
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cellxgene_content = cellxgene_response.content.decode()
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gateway_content = cellxgene_content.replace(
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"http://fonts.gstatic.com", "https://fonts.gstatic.com"
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).replace(cellxgene_basepath, gateway_basepath)
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else:
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gateway_content = cellxgene_response.content
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gateway_response = make_response(
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gateway_content,
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cellxgene_response.status_code,
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{"Content-Type": content_type }
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)
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return gateway_response
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