mirror of
https://github.com/derf/travelynx
synced 2024-11-29 16:00:20 +00:00
111 lines
3.5 KiB
Python
Executable file
111 lines
3.5 KiB
Python
Executable file
#!/usr/bin/python3
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# This script queries the Travelynx API if you are checked into a train. If
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# yes, bahn.expert is additionally queried for the next stop, and a JSON object
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# like this is written to stdout:
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# {"full_text": "RE26824, next: D\u00fcren at <span fgcolor=\"#ff0000\">15:38+5</span>, dest: Aachen Hbf at <span fgcolor=\"#ff0000\">16:07+5</span>", "markup": "pango"},
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# The script then exits.
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#
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# Configuration:
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# - Place your API key from https://travelynx.de/account at
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# ~/.config/travelynx.conf .
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# - Then integrate into whatever generates your i3bar input.
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# - Make sure you use i3bar with a pango font, so that the color tags are
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# picked up.
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from datetime import datetime
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import dateutil
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import dateutil.parser
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import json
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from pathlib import Path
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import requests
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import sys
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import xdg # not pyxdg!
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def format_stop(stop_name, predicted_arrival_timestamp, delay):
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color = "#ffffff"
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if delay > 0:
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if delay <= 2:
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color = "#ffff00"
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else:
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color = "#ff0000"
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delayStr = "({:+.0f})".format(delay)
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else:
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delayStr = ""
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if isinstance(predicted_arrival_timestamp, int):
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predicted_arrival_time = datetime.fromtimestamp(predicted_arrival_timestamp)
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else:
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# We assume it's datetime already.
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predicted_arrival_time = predicted_arrival_timestamp
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return f'{stop_name} at <span fgcolor="{color}">{predicted_arrival_time:%H:%M}{delayStr}</span>'
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api_key_path = Path(xdg.xdg_config_home(), "travelynx.conf")
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if api_key_path.exists():
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with api_key_path.open("r") as f:
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api_key = f.read().strip()
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else:
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print(
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f"Could not find Travelynx API key at {api_key_path}.",
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file=sys.stderr,
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)
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sys.exit(1)
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api_base = f"https://travelynx.de/api/v1/status/{api_key}"
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try:
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res = requests.get(api_base)
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except requests.exceptions.ConnectionError:
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print(
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json.dumps({"full_text": "Could not connect to travelynx", "color": "#ff0000"})
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+ ","
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)
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sys.exit()
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j = res.json()
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# print(json.dumps(j, sort_keys=True, indent=4), file=sys.stderr)
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if not j["checkedIn"]:
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sys.exit()
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out_fields = []
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train = "{}{}".format(j["train"]["type"], j["train"]["no"])
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out_fields.append(train)
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destination_name = j["toStation"]["name"]
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scheduled_arrival_timestamp = j["toStation"]["scheduledTime"]
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predicted_arrival_timestamp = j["toStation"]["realTime"]
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delay = (predicted_arrival_timestamp - scheduled_arrival_timestamp) / 60
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try:
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details_res = requests.get(f"https://bahn.expert/api/hafas/v2/details/{train}")
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details = details_res.json()
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# print(json.dumps(details, sort_keys=True, indent=4), file=sys.stderr)
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next_stop_name = details["currentStop"]["station"]["title"]
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if next_stop_name == destination_name:
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out_fields.append("next")
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else:
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next_predicted_arrival_time = dateutil.parser.isoparse(
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details["currentStop"]["arrival"]["time"]
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)
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next_predicted_arrival_time = next_predicted_arrival_time.astimezone(
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dateutil.tz.tzlocal()
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)
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next_delay = details["currentStop"]["arrival"]["delay"]
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out_fields.append(
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"next: "
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+ format_stop(next_stop_name, next_predicted_arrival_time, next_delay)
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)
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except requests.exceptions.ConnectionError:
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pass
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out_fields.append(
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"dest: " + format_stop(destination_name, predicted_arrival_timestamp, delay)
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)
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s = ", ".join(out_fields)
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out_obj = {"full_text": s, "markup": "pango"}
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print(json.dumps(out_obj) + ",")
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