grasp/server/grasp_server.py

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#!/usr/bin/python3
import argparse
from http.server import BaseHTTPRequestHandler, HTTPServer
import json
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import os
from pathlib import Path
import re
from typing import List
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from org_tools import append_org_entry
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CAPTURE_PATH_VAR = 'GRASP_CAPTURE_PATH'
def log(*things):
# TODO proper logging
print(*things)
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def capture(
url,
title,
selection,
comment,
tag_str,
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):
def empty(s) -> bool:
return s is None or len(s.strip()) == 0
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log("capturing", url, title, selection, comment)
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capture_path = Path(os.environ[CAPTURE_PATH_VAR]).expanduser()
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heading = url
parts = []
tags: List[str] = []
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if not empty(tag_str):
tags = re.split('[\s,]', tag_str)
tags = [t for t in tags if not empty(t)] # just in case
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if not empty(title):
heading = title
parts.append(url)
# TODO not sure, maybe add as org quote?
if not empty(selection):
parts.extend([
'Selection:',
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selection, # TODO tabulate?
])
if not empty(comment):
parts.extend([
'Comment:',
comment
])
body = None if len(parts) == 0 else '\n'.join(parts)
response = {
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'path': str(capture_path),
}
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# try:
append_org_entry(
capture_path,
heading=heading,
body=body,
tags=tags,
todo=False,
)
response.update({
'status': 'ok',
})
# just rely on setting 500 instead
# except Exception as e:
# log(str(e))
# response.update({
# 'status': 'error',
# 'error' : str(e),
# })
return json.dumps(response).encode('utf8')
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class GraspRequestHandler(BaseHTTPRequestHandler):
def handle_POST(self):
content_length = int(self.headers['Content-Length'])
post_data = self.rfile.read(content_length)
payload = json.loads(post_data.decode('utf8'))
log("incoming request:")
log(payload)
res = capture(**payload)
self.send_response(200)
self.send_header('Content-Type', 'application/json')
self.end_headers()
self.wfile.write(res)
def respond_error(self, message: str):
self.send_response(500)
self.send_header('Content-Type', 'text/html')
self.end_headers()
self.wfile.write(message.encode('utf8'))
def do_POST(self):
try:
self.handle_POST()
except Exception as e:
log("Error during processing")
log(str(e))
self.respond_error(message=str(e))
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def run(port: str, capture_path: str):
# not sure if there is a simpler way to communicate with the server...
os.environ[CAPTURE_PATH_VAR] = capture_path
httpd = HTTPServer(('', int(port)), GraspRequestHandler)
log(f"Starting httpd on port {port}")
httpd.serve_forever()
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def setup_parser(p):
p.add_argument('--port', type=str, default='12212', help='Port for communicating with extension')
p.add_argument('--path', type=str, default='~/capture.org', help='File to capture into')
def main():
p = argparse.ArgumentParser('grasp server setup', formatter_class=argparse.ArgumentDefaultsHelpFormatter)
setup_parser(p)
args = p.parse_args()
run(args.port, args.path)
if __name__ == '__main__':
main()