51 lines
1.1 KiB
Python
Executable File
51 lines
1.1 KiB
Python
Executable File
#!/usr/bin/python
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#
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# Copyright (c) 2013-2014 Wind River Systems, Inc.
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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import posixfile
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import string
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import time
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directory = "/localdisk/designer/jenkins/patch_ids"
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def get_unique_id(filename, digits=4):
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counter = 1
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path = "%s/%s" % (directory, filename)
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try:
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# open for update
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file = posixfile.open(path, "r+")
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file.lock("w|", digits)
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counter = int(file.read(digits)) + 1
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except IOError:
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# create it
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try:
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file = posixfile.open(path, "w")
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file.lock("w|", digits)
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except IOError:
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print "creation of file '%s' failed" % path
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return -1
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file.seek(0) # rewind
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format = "%%0%dd" % digits
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file.write(format % counter)
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# Note: close releases lock
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file.close()
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return counter
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def get_patch_id(version, prefix="CGCS", digits=4):
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filename = "%s_%s_patchid" % (prefix, version)
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id = get_unique_id(filename)
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if id < 0:
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return None
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patch_id_format = "%%s_%%s_PATCH_%%0%dd" % digits
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patch_id = patch_id_format % (prefix, version, id)
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return patch_id
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