39 lines
982 B
Python
39 lines
982 B
Python
# -*- coding: utf-8 -*-
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"""
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This program has been developed by students from the bachelor Computer Science at Utrecht
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University within the Software Project course.
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© Copyright Utrecht University (Department of Information and Computing Sciences)
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"""
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import logging
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import sys
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try:
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import qi
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except ImportError:
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qi = None
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def get_qi_session():
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"""
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Create and return a Qi session if available.
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:return: The active Qi session or ``None`` if unavailable.
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:rtype: qi.Session | None
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"""
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if qi is None:
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logging.info("Unable to import qi. Running in stand-alone mode.")
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return None
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if "--qi-url" not in sys.argv:
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logging.info("No Qi URL argument given. Running in stand-alone mode.")
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return None
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try:
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app = qi.Application()
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app.start()
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return app.session
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except RuntimeError:
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logging.info("Unable to connect to the robot. Running in stand-alone mode.")
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return None
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