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#!/usr/bin/python2
import yaml
import os
import jinja2
import optparse
from utils import filters, tests, globals
class Renderer:
def __init__(self, output_dir, format):
template_dir = os.path.join(
os.path.dirname(os.path.abspath(os.path.realpath(__file__))),
'templates')
self.env = jinja2.Environment(
trim_blocks = format == "dokuwiki",
loader = jinja2.FileSystemLoader(template_dir))
self.env.filters.update(filters)
self.env.tests.update(tests)
self.env.globals.update(globals)
self.output_dir = output_dir
self.templates = {}
self.format = format
def _render(self, template, filename, **kwargs):
if template not in self.templates:
self.templates[template] = self.env.get_template(template)
with open(os.path.join(self.output_dir, filename), "w+") as output:
output.write(self.templates[template].render(**kwargs))
def host(self, host, hostdata):
print("Rendering: %s" % (host))
hostdata['url'] = "%s.%s" % (host, self.format)
self._render('host.%s' % (self.format), hostdata['url'], **hostdata)
def index(self, data):
indexpage = "index.%s" % (self.format)
print("Rendering: index")
self._render(indexpage, indexpage, hosts=data)
def load_yaml(*args):
with open(os.path.join(*args)) as infile:
return yaml.load(infile)
def main():
basename = os.path.dirname(os.path.realpath(__file__))
optparser = optparse.OptionParser()
optparser.add_option(
"-o", "--output",
help="write rendered hostinfo files DEST_DIR",
metavar="DEST_DIR",
type="string",
default=os.path.join(basename,"htdocs"))
optparser.add_option(
"-s", "--source",
help="read yaml encoded hostinfo data from SRC_DIR",
metavar="SRC_DIR",
type="string",
default=os.path.join(basename,"data"))
optparser.add_option(
"-f", "--format",
help="output format that is produce: html or dokuwiki"
"[default: %default]",
type="choice",
choices=["html", "dokuwiki"],
default="html"
)
(options, _ ) = optparser.parse_args()
renderer = Renderer(options.output, options.format)
hosts = load_yaml(options.source, "metadata", "hosts")
data = []
for host in sorted(hosts['hosts']):
hostdata = load_yaml(options.source, host)
renderer.host(host, hostdata)
data.append(hostdata)
renderer.index(data)
if __name__ == '__main__':
main()
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