Switch branches/tags
Find file
Fetching contributors…
Cannot retrieve contributors at this time
47 lines (34 sloc) 1.51 KB
import sys
import argparse
import yaml
import jinja2
from codecs import getreader, getwriter
def render(template_string, context, strict=False):
template = jinja2.Template(template_string)
if strict:
template.environment.undefined = jinja2.StrictUndefined
return template.render(**context)
def main():
parser = argparse.ArgumentParser()
parser.add_argument('config', nargs='*', type=argparse.FileType('r'),
help="One or more YAML files to read")
parser.add_argument('--template-file', '-f', dest='template',
type=argparse.FileType('r'), default=sys.stdin,
help="Config file template. If not supplied, "
"stdin is used")
parser.add_argument('--out', '-o', dest='out',
type=argparse.FileType('w'), default=sys.stdout,
help="Output file to write. If not supplied, "
"stdout is used")
parser.add_argument('--strict', dest='strict',
action='store_true', default=False,
help="Raise an exception on undefined variables")
args = parser.parse_args()
context = {}
for file in args.config:
template_string = getreader('utf-8')(args.template).read()
rendered = render(template_string, context, args.strict)
if __name__ == "__main__":