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								import json
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								import os
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								from common.file_helpers import mkdirs_exists_ok
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								from selfdrive.hardware import PC
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								class MissingAuthConfigError(Exception):
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								  pass
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								if PC:
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								  CONFIG_DIR = os.path.expanduser('~/.comma')
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								else:
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								  CONFIG_DIR = "/tmp/.comma"
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								mkdirs_exists_ok(CONFIG_DIR)
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								def get_token():
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								  try:
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								    with open(os.path.join(CONFIG_DIR, 'auth.json')) as f:
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								      auth = json.load(f)
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								      return auth['access_token']
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								  except Exception:
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								    return None
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								def set_token(token):
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								  with open(os.path.join(CONFIG_DIR, 'auth.json'), 'w') as f:
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								    json.dump({'access_token': token}, f)
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								def clear_token():
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								  os.unlink(os.path.join(CONFIG_DIR, 'auth.json'))
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