30 lines
813 B
Python
Executable File
30 lines
813 B
Python
Executable File
#!/usr/bin/env python
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import os
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import re
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import sys
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if 'CLOUD_INIT_TOP_D' in os.environ:
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topd = os.path.realpath(os.environ.get('CLOUD_INIT_TOP_D'))
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else:
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topd = os.path.dirname(os.path.dirname(os.path.realpath(__file__)))
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for fname in ("setup.py", "requirements.txt"):
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if not os.path.isfile(os.path.join(topd, fname)):
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sys.stderr.write("Unable to locate '%s' file that should "
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"exist in cloud-init root directory." % fname)
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sys.exit(1)
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if len(sys.argv) > 1:
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reqfile = sys.argv[1]
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else:
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reqfile = "requirements.txt"
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with open(os.path.join(topd, reqfile), "r") as fp:
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for line in fp:
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if not line.strip() or line.startswith("#"):
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continue
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sys.stdout.write(re.split("[>=.<]*", line)[0].strip() + "\n")
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sys.exit(0)
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