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samba-mirror/buildtools/wafsamba/configure_file.py
Alexander Bokovoy 4e65b33c1d third_party:waf: update to upstream 2.0.4 release
Update third_party/waf/ to 2.0.4 to bring us closer to Python 3

This change requires a number of changes in buildtools/ too.

Signed-off-by: Alexander Bokovoy <ab@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
2018-09-05 06:37:22 +02:00

42 lines
1.2 KiB
Python

# handle substitution of variables in .in files
import sys
import re
import os
from waflib import Build, Logs
from samba_utils import SUBST_VARS_RECURSIVE
def subst_at_vars(task):
'''substiture @VAR@ style variables in a file'''
env = task.env
s = task.inputs[0].read()
# 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)
task.outputs[0].write(contents)
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