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samba-mirror/buildtools/wafsamba/configure_file.py
2012-09-07 10:48:57 +02:00

45 lines
1.3 KiB
Python

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