Source code for libqtile.widget.generic_poll_text

import json
import subprocess
from typing import Any
from urllib.error import URLError
from urllib.request import Request, urlopen

from libqtile.log_utils import logger
from libqtile.widget import base

    import xmltodict

    def xmlparse(body):
        return xmltodict.parse(body)

except ImportError:
    # TODO: we could implement a similar parser by hand, but i'm lazy, so let's
    # punt for now
    def xmlparse(body):
        raise Exception("no xmltodict library")

[docs]class GenPollText(base.ThreadPoolText): """A generic text widget that polls using poll function to get the text""" defaults = [ ("func", None, "Poll Function"), ] def __init__(self, **config): base.ThreadPoolText.__init__(self, "", **config) self.add_defaults(GenPollText.defaults) def poll(self): if not self.func: return "You need a poll function" return self.func()
[docs]class GenPollUrl(base.ThreadPoolText): """A generic text widget that polls an url and parses it using parse function""" defaults: list[tuple[str, Any, str]] = [ ("url", None, "Url"), ("data", None, "Post Data"), ("parse", None, "Parse Function"), ("json", True, "Is Json?"), ("user_agent", "Qtile", "Set the user agent"), ("headers", {}, "Extra Headers"), ("xml", False, "Is XML?"), ] def __init__(self, **config): base.ThreadPoolText.__init__(self, "", **config) self.add_defaults(GenPollUrl.defaults) self.headers["User-agent"] = self.user_agent if self.json: self.headers["Content-Type"] = "application/json" if and not isinstance(, str): = json.dumps( def fetch(self): req = Request(self.url,, self.headers) res = urlopen(req) charset = res.headers.get_content_charset() body = if charset: body = body.decode(charset) if self.json: body = json.loads(body) if self.xml: body = xmlparse(body) return body def poll(self): if not self.parse or not self.url: return "Invalid config" try: body = self.fetch() except URLError: return "No network" try: text = self.parse(body) except Exception: logger.exception("got exception polling widget") text = "Can't parse" return text
[docs]class GenPollCommand(base.ThreadPoolText): """A generic text widget to display output from scripts or shell commands""" defaults = [ ("update_interval", 60, "update time in seconds"), ("cmd", None, "command line as a string or list of arguments to execute"), ("shell", False, "run command through shell to enable piping and shell expansion"), ] def __init__(self, **config): base.ThreadPoolText.__init__(self, "", **config) self.add_defaults(GenPollCommand.defaults) def _configure(self, qtile, bar): base.ThreadPoolText._configure(self, qtile, bar) self.add_callbacks({"Button1": self.force_update}) def poll(self): process = self.cmd, capture_output=True, text=True,, ) return process.stdout.strip()