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createProjVersHeader.py
Go to the documentation of this file.
1 #!/usr/bin/env python
2
3 import os
4 import sys
5 import re
6 from optparse import OptionParser
7
8 lhcb_ver_style = "v(?P<maj_ver>[0-9]+)r(?P<min_ver>[0-9]+)(?:p(?P<pat_ver>[0-9]+))?"
9 atlas_ver_style = "[A-Za-z]+\-(?P<maj_ver>[0-9]+)\-(?P<min_ver>[0-9]+)(?:\-(?P<pat_ver>[0-9]+))?"
10 plain_ver_style = "(?P<maj_ver>[0-9]+)\.(?P<min_ver>[0-9]+)(?:\.(?P<pat_ver>[0-9]+))?"
11
12
13 def main():
14 parser = OptionParser(
15 usage="ERROR: Usage %prog <project> <version> <outputfile>")
16 parser.add_option("-q", "--quiet", action="store_true",
17 help="Do not print messages.")
18 opts, args = parser.parse_args()
19 if len(args) != 3:
20 parser.error("wrong number of arguments")
21
22 project, version, outputfile = args
23 if not opts.quiet:
24 print "Creating %s for %s %s" % (outputfile, project, version)
25
26 for style in [lhcb_ver_style, atlas_ver_style, plain_ver_style]:
27 m = re.match(style, version)
28 if m:
29 majver = int(m.groupdict()['maj_ver'])
30 minver = int(m.groupdict()['min_ver'])
31 patver = int(m.groupdict()['pat_ver'] or 0)
32 break
33 else:
34 # anything that is not one of the explicit version syntaxes is handled
35 # in the same way, e.g. "HEAD"
36 majver, minver, patver = 999, 999, 0
37
38 outdir = os.path.dirname(outputfile)
39 if not os.path.exists(outdir):
40 if not opts.quiet:
41 print "Creating directory", outdir
42 os.makedirs(outdir)
43
44 # Prepare data to be written
45 outputdata = """#ifndef %(proj)s_VERSION
46 /* Automatically generated file: do not modify! */
47 #ifndef CALC_GAUDI_VERSION
48 #define CALC_GAUDI_VERSION(maj,min) (((maj) << 16) + (min))
49 #endif
50 #define %(proj)s_MAJOR_VERSION %(maj)d
51 #define %(proj)s_MINOR_VERSION %(min)d
52 #define %(proj)s_PATCH_VERSION %(pat)d
53 #define %(proj)s_VERSION CALC_GAUDI_VERSION(%(proj)s_MAJOR_VERSION,%(proj)s_MINOR_VERSION)
54 #endif
55 """ % {'proj': project.upper(), 'min': minver, 'maj': majver, 'pat': patver}
56
57 # Get the current content of the destination file (if any)
58 try:
59 f = open(outputfile, "r")
60 olddata = f.read()
61 f.close()
62 except IOError:
63 olddata = None
64
65 # Overwrite the file only if there are changes
66 if outputdata != olddata:
67 open(outputfile, "w").write(outputdata)
68
69
70 if __name__ == "__main__":
71 main()
createProjVersHeader.main
def main()
Definition: createProjVersHeader.py:13
GaudiPython.GaudiAlgs.write
write
Definition: GaudiAlgs.py:1259