8e9cceaeae
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76 lines
2.1 KiB
Python
76 lines
2.1 KiB
Python
import os
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import json
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import logging
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from typing import Dict
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logger = logging.getLogger(__name__)
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script = None
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def compileScript():
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"""
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Compiles the JXA script and caches the result.
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Resources:
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- https://stackoverflow.com/questions/44209057/how-can-i-run-jxa-from-swift
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- https://stackoverflow.com/questions/16065162/calling-applescript-from-python-without-using-osascript-or-appscript
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"""
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# use a global variable to cache the compiled script for performance
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global script
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if script:
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return script
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from OSAKit import OSAScript, OSALanguage
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scriptPath = os.path.join(
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os.path.dirname(os.path.realpath(__file__)), "printAppStatus.jxa"
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)
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with open(scriptPath) as f:
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scriptContents = f.read()
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# remove shebang line
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if scriptContents.split("\n")[0].startswith("#"):
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scriptContents = "\n".join(scriptContents.split("\n")[1:])
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script = OSAScript.alloc().initWithSource_language_(
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scriptContents, OSALanguage.languageForName_("JavaScript")
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)
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success, err = script.compileAndReturnError_(None)
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# should only occur if jxa was modified incorrectly
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if not success:
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raise Exception(f"error compiling jxa script: {err['NSLocalizedDescription']}")
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return script
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def getInfo() -> Dict[str, str]:
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script = compileScript()
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result, err = script.executeAndReturnError_(None)
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if err:
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# error structure:
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# {
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# NSLocalizedDescription = "Error: Error: Can't get object.";
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# NSLocalizedFailureReason = "Error: Error: Can't get object.";
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# OSAScriptErrorBriefMessageKey = "Error: Error: Can't get object.";
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# OSAScriptErrorMessageKey = "Error: Error: Can't get object.";
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# OSAScriptErrorNumberKey = "-1728";
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# OSAScriptErrorRangeKey = "NSRange: {0, 0}";
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# }
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raise Exception(f"jxa error: {err['NSLocalizedDescription']}")
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return json.loads(result.stringValue())
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if __name__ == "__main__":
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print(getInfo())
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print("Waiting 5 seconds...")
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import time
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time.sleep(5)
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print(getInfo())
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