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44 lines
1.5 KiB
Python
44 lines
1.5 KiB
Python
"""
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If the current installed Python version is not supported, prints an error
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message to stderr and returns 1
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"""
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from __future__ import print_function
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import os
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import sys
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version_string = '.'.join(str(_) for _ in sys.version_info[:3])
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msg = """ERROR: Your Python version is: %s
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Galaxy is currently supported on Python 2.7 only. To run Galaxy, please
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install a supported Python version. If a supported version is already
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installed but is not your default, https://galaxyproject.org/admin/python/
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contains instructions on how to force Galaxy to use a different version.""" % version_string
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msg_beta = """WARNING: Your Python version is: %s
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Galaxy is currently supported on Python 2.7 only, support for Python >= 3.4
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is still in beta stage. Since you are using a virtual environment, we assume
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you are developing or testing Galaxy under Python 3. If not,
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install a supported Python version. If a supported version is already
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installed but is not your default, https://galaxyproject.org/admin/python/
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contains instructions on how to force Galaxy to use a different version.""" % version_string
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def check_python():
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venv = os.getenv('VIRTUAL_ENV')
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if sys.version_info[:2] == (2, 7):
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# supported
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return
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elif sys.version_info[:2] >= (3, 4) and venv:
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print(msg_beta, file=sys.stderr)
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else:
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print(msg, file=sys.stderr)
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raise Exception(msg)
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if __name__ == '__main__':
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try:
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check_python()
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except Exception:
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sys.exit(1)
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