116 lines
3.3 KiB
Python
116 lines
3.3 KiB
Python
""" Starts home assistant. """
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import sys
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import os
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import argparse
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import importlib
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try:
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from homeassistant import bootstrap
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except ImportError:
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# This is to add support to load Home Assistant using
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# `python3 homeassistant` instead of `python3 -m homeassistant`
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# Insert the parent directory of this file into the module search path
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sys.path.insert(0, os.path.join(os.path.dirname(__file__), '..'))
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from homeassistant import bootstrap
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from homeassistant.const import EVENT_HOMEASSISTANT_START
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from homeassistant.components import http, demo
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def validate_dependencies():
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""" Validate all dependencies that HA uses. """
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import_fail = False
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for module in ['requests']:
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try:
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importlib.import_module(module)
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except ImportError:
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import_fail = True
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print(
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'Fatal Error: Unable to find dependency {}'.format(module))
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if import_fail:
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print(("Install dependencies by running: "
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"pip3 install -r requirements.txt"))
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sys.exit()
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def ensure_config_path(config_dir):
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""" Gets the path to the configuration file.
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Creates one if it not exists. """
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# Test if configuration directory exists
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if not os.path.isdir(config_dir):
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print(('Fatal Error: Unable to find specified configuration '
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'directory {} ').format(config_dir))
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sys.exit()
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config_path = os.path.join(config_dir, 'home-assistant.conf')
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# Ensure a config file exists to make first time usage easier
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if not os.path.isfile(config_path):
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try:
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with open(config_path, 'w') as conf:
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conf.write("[http]\n\n")
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conf.write("[discovery]\n\n")
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except IOError:
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print(('Fatal Error: No configuration file found and unable '
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'to write a default one to {}').format(config_path))
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sys.exit()
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return config_path
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def main():
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""" Starts Home Assistant. Will create demo config if no config found. """
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parser = argparse.ArgumentParser()
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parser.add_argument(
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'-c', '--config',
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metavar='path_to_config_dir',
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default="config",
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help="Directory that contains the Home Assistant configuration")
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parser.add_argument(
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'--demo-mode',
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action='store_true',
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help='Start Home Assistant in demo mode')
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parser.add_argument(
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'--open-ui',
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action='store_true',
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help='Open the webinterface in a browser')
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args = parser.parse_args()
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validate_dependencies()
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config_dir = os.path.join(os.getcwd(), args.config)
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config_path = ensure_config_path(config_dir)
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if args.demo_mode:
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# Demo mode only requires http and demo components.
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hass = bootstrap.from_config_dict({
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http.DOMAIN: {},
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demo.DOMAIN: {}
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})
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else:
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hass = bootstrap.from_config_file(config_path)
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if args.open_ui:
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def open_browser(event):
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""" Open the webinterface in a browser. """
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if hass.local_api is not None:
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import webbrowser
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webbrowser.open(hass.local_api.base_url)
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hass.bus.listen_once(EVENT_HOMEASSISTANT_START, open_browser)
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hass.start()
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hass.block_till_stopped()
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if __name__ == "__main__":
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main()
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