diff options
author | Ben Sima <ben@bsima.me> | 2020-04-08 20:43:29 -0700 |
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committer | Ben Sima <ben@bsima.me> | 2020-04-08 21:10:09 -0700 |
commit | d0b74c55a07ce9e623578bf35d37a597e1a3c179 (patch) | |
tree | ed07aec25e7ad95d4a8bdae4137a44ce8481c1e1 | |
parent | 185f6a03f8355eaf2f297b5e62d4b3e078e14f79 (diff) |
Refactor client, fixing some bugs
-rwxr-xr-x | Run/Que/client.py | 126 |
1 files changed, 62 insertions, 64 deletions
diff --git a/Run/Que/client.py b/Run/Que/client.py index 6a91d0c..43517ff 100755 --- a/Run/Que/client.py +++ b/Run/Que/client.py @@ -4,34 +4,80 @@ simple client for que.run """ import argparse -import urllib.request as request -import urllib.parse -import time import subprocess import sys +import time +import urllib.parse +import urllib.request as request + +MAX_TIMEOUT = 99999999 # basically never timeout -# set to something ridiculously high so we don't run into timeouts while polling -# or waiting for a message -MAX_TIMEOUT = 100000000 +def send(args): + "Send a message to the que." + data = args.infile.read().encode("utf-8").strip() + req = request.Request(f"{args.host}/{args.target}") + req.add_header("User-AgenT", "Que/Client") + if args.serve: + while not time.sleep(1): + with request.urlopen(req, data=data, timeout=MAX_TIMEOUT) as req: + pass + else: + with request.urlopen(req, data=data, timeout=MAX_TIMEOUT) as req: + pass + + +def recv(args): + "Receive a message from the que." -def main(argv=None): + def _recv(_req): + msg = _req.readline().decode("utf-8").strip() + print(msg) + if args.then: + subprocess.run( + args.then.replace("\msg", msg).replace("\que", args.target), shell=True + ) + + params = urllib.parse.urlencode({"poll": args.poll}) + req = request.Request(f"{args.host}/{args.target}?{params}") + req.add_header("User-Agent", "Que/Client") + + with request.urlopen(req) as _req: + if args.poll: + while not time.sleep(1): + _recv(_req) + else: + _recv(_req) + + +def get_args(): cli = argparse.ArgumentParser(description=__doc__) cli.add_argument( - "--host", default="https://que.run", help="where que-server is running" + "--host", default="http://que.run", help="where que-server is running" ) cli.add_argument( "--poll", default=False, action="store_true", help="stream data from the que" ) cli.add_argument( "--then", - help="when polling, run this shell command after each response, replacing '\que' with the target and '\msg' with the body of the response", + help=" ".join( + [ + "when polling, run this shell command after each response,", + "presumably for side effects," + "replacing '\que' with the target and '\msg' with the body of the response", + ] + ), ) cli.add_argument( "--serve", default=False, action="store_true", - help="when posting to the que, do so continuously in a loop. this can be used for serving a webpage or other file continuously", + help=" ".join( + [ + "when posting to the que, do so continuously in a loop.", + "this can be used for serving a webpage or other file continuously", + ] + ), ) cli.add_argument( "target", help="namespace and path of the que, like 'ns/path/subpath'" @@ -42,66 +88,18 @@ def main(argv=None): type=argparse.FileType("r"), help="data to put on the que. Use '-' for stdin, otherwise should be a readable file", ) - - if argv is None: - args = cli.parse_args() - else: - args = cli.parse_args(argv) - - if args.infile: - # send input data - data = args.infile.read().encode("utf-8").strip() - if args.serve: - # loop until ^C - while not time.sleep(1): - with request.urlopen( - f"{args.host}/{args.target}", - data=data, - timeout=MAX_TIMEOUT, - headers={"User-Agent": "Que/Client"}, - ) as req: - pass - else: - with request.urlopen( - f"{args.host}/{args.target}", - data=data, - timeout=MAX_TIMEOUT, - headers={"User-Agent": "Que/Client"}, - ) as req: - pass - else: - # no input data, do a read instead - params = urllib.parse.urlencode({"poll": args.poll}) - url = f"{args.host}/{args.target}?{params}" - with request.urlopen(url, headers={"User-Agent": "Que/Client"}) as req: - if args.poll: - while not time.sleep(1): - msg = req.readline().decode("utf-8").strip() - print(msg) - if args.then: - subprocess.run( - args.then.replace("\msg", msg).replace("\que", args.target), - shell=True, - ) - else: - msg = req.read().decode("utf-8").strip() - print(msg) - if args.then: - subprocess.run( - args.then.replace("\msg", msg).replace("\que", args.target), - shell=True, - ) + return cli.parse_args() if __name__ == "__main__": try: - main() + args = get_args() + if args.infile: + send(args) + else: + recv(args) except KeyboardInterrupt: - print("Interrupted") sys.exit(0) except urllib.error.HTTPError as e: print(e) sys.exit(1) - except http.client.IncompleteRead as e: - print(e) - sys.exit(1) |