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45 lines
1.3 KiB
Python
45 lines
1.3 KiB
Python
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# handle substitution of variables in .in files
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import Build, sys, Logs
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from samba_utils import *
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def subst_at_vars(task):
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'''substiture @VAR@ style variables in a file'''
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env = task.env
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src = task.inputs[0].srcpath(env)
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tgt = task.outputs[0].bldpath(env)
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f = open(src, 'r')
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s = f.read()
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f.close()
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# split on the vars
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a = re.split('(@\w+@)', s)
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out = []
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for v in a:
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if re.match('@\w+@', v):
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vname = v[1:-1]
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if not vname in task.env and vname.upper() in task.env:
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vname = vname.upper()
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if not vname in task.env:
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Logs.error("Unknown substitution %s in %s" % (v, task.name))
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sys.exit(1)
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v = SUBST_VARS_RECURSIVE(task.env[vname], task.env)
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out.append(v)
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contents = ''.join(out)
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f = open(tgt, 'w')
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s = f.write(contents)
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f.close()
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return 0
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def CONFIGURE_FILE(bld, in_file, **kwargs):
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'''configure file'''
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base=os.path.basename(in_file)
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t = bld.SAMBA_GENERATOR('INFILE_%s' % base,
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rule = subst_at_vars,
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source = in_file + '.in',
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target = in_file,
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vars = kwargs)
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Build.BuildContext.CONFIGURE_FILE = CONFIGURE_FILE
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