124 lines
3.8 KiB
Python
124 lines
3.8 KiB
Python
# pylint: disable=C0111,R0903
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"""Displays the state of a spaceapi endpoint
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Requires the following libraries:
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* requests
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* regex
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Parameters:
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* spaceapi.url: String representation of the api endpoint
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* spaceapi.format: Format string for the output (refer to code)
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"""
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import bumblebee.input
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import bumblebee.output
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import bumblebee.engine
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import requests
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import threading
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import re
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from json.decoder import JSONDecodeError
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def formatStringBuilder(s: str, json: dict) -> str:
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"""
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This function seems to be in dire need of some explanation so here it is:
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It basically searches the format string for strings of the pattern
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%%ITEM.IN.TREE[%IFTRUE%IFFALSE]%%. For example to query the state of
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the hackspace you'd write %%state.open%% as it's located in json[state][open]
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according to the API specificaion. As the output of true or false doesn't
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look to great you can specify the text you want to have shown so you'd
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write %%state.open%Open%Closed%% to overwrite true/false with Open/Closed.
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"""
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identifiers = re.findall("%%.*?%%", s)
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for i in identifiers:
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ic = i[2:-2] # Discard %%
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j = ic.split("%")
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if len(j) != 3 and len(j) != 1:
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return "INVALID SYNTAX"
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arr = j[0].split(".")
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repl = json
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for a in arr: # Walk the JSON tree to find replacement
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repl = repl[a]
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if len(j) == 1:
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s = s.replace(i, repl)
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elif repl:
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s = s.replace(i, j[1])
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else:
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s = s.replace(i, j[2])
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return s
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class Module(bumblebee.engine.Module):
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def __init__(self, engine, config):
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super(Module, self).__init__(
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engine, config, bumblebee.output.Widget(full_text=self.getState)
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)
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engine.input.register_callback(self, button=bumblebee.input.LEFT_MOUSE,
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cmd=self.__forceReload)
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self._data = {}
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self._error = None
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self._threadingCount = 0
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# The URL representing the api endpoint
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self._url = self.parameter("url", default="http://club.entropia.de/spaceapi")
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self._format = self.parameter(
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"format", default=" %%space%%: %%state.open%Open%Closed%%"
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)
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def state(self, widget):
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try:
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if self._error is not None:
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return ["critical"]
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elif self._data["state"]["open"]:
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return ["warning"]
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else:
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return []
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except KeyError:
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return ["critical"]
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def update(self, widgets):
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if self._threadingCount == 0:
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thread = threading.Thread(target=self.get_api_async, args=())
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thread.start()
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self._threadingCount = (
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0 if self._threadingCount > 300 else self._threadingCount + 1
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)
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def getState(self, widget):
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text = self._format
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if self._error is not None:
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text = self._error
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else:
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try:
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text = formatStringBuilder(self._format, self._data)
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except KeyError:
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text = "KeyError"
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return text
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def get_api_async(self):
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try:
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with requests.get(self._url, timeout=10) as request:
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self._data = request.json()
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self._error = None
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except requests.exceptions.Timeout:
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self._error = "Timeout"
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except requests.exceptions.HTTPError:
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self._error = "HTTP Error"
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except JSONDecodeError:
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self._error = "Not a JSON response"
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# left_mouse_button handler
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def __forceReload(self, event):
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self._threadingCount += 300
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self._error = "RELOADING"
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# Author: Tobias Manske <tobias@chaoswg.xyz>
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# vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4
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