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79 lines
2.8 KiB
Python
79 lines
2.8 KiB
Python
# coding=utf-8
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import sys
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import traceback
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import os
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from qutescript.utils import log_to_browser
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from .cli import main_cli
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from .request import build_request
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def userscript(func):
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def wrapper():
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"""
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Wraps a qutebrowser-userscript in a warm blanket
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of easy to access parameters and a sprinkling
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of debugging goodness.
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"""
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script_path = sys.argv[0]
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prefix = os.path.basename(script_path) # example: my_script.py
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try:
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# Check if "--install" was passed, and handle it.
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main_cli()
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except Exception as e:
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log_to_browser(traceback.format_exc(),
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'Cannot execute cli handler',
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prefix=prefix,
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script_path=script_path)
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sys.exit(1)
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# main_cli() may call sys.exit() if --install was passed at command line.
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# If sys.exit() was called by main_cli(), we would never reach here.
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# Since ^that^ did not happen...
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try:
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request = build_request(script_path=script_path)
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except Exception as e:
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log_to_browser(traceback.format_exc(),
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'Cannot build request.',
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prefix=prefix,
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script_path=script_path)
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sys.exit(5)
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# We now have a request to handle.
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try:
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# Wrapper for future use; disabled for now.
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# func = userscript_cli(func)
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command = func(request)
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if not command:
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# No command to execute, our work is done.
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return
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except Exception as e:
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log_to_browser(traceback.format_exc(),
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'Userscript error.',
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prefix=prefix,
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script_path=script_path)
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sys.exit(10)
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# We also have a command to execute.
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if not request.fifo:
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message = ('ERROR: userscript returned command: {}, '
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'but QUTE_FIFO was not found in passed environment.\n'
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'Try: :spawn --userscript /path/to/script ?')
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log_to_browser(traceback.format_exc(),
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message,
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prefix=prefix,
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script_path=script_path)
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sys.exit(20)
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try:
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# Send the returned command to qutebrowser.
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with open(request.fifo, 'w') as fifo:
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fifo.write('{}\n'.format(command))
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except Exception as e:
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log_to_browser(
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traceback.format_exc(),
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'Cannot write to FIFO: {!r}'.format(request.fifo),
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prefix=prefix,
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script_path=script_path)
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sys.exit(30)
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return wrapper
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