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Support custom jinja2 filters.

Browse source 
This uses the plugin framework to add filter plugins.
The previously hardcoded core filters are defined using the plugin
framework now.
This commit is contained in:
Jeroen Hoekx 2012-11-05 15:09:34 +01:00
parent 37bdee331c
commit 8ffed6df75
8 changed files with 74 additions and 4 deletions
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1
lib/ansible/utils/plugins.py
View file

@ -95,3 +95,4 @@ callback_loader = PluginLoader('CallbackModule', 'ansible.callback_plugins',
connection_loader = PluginLoader('Connection', 'ansible.runner.connection_plugins', C.DEFAULT_CONNECTION_PLUGIN_PATH, 'connection_plugins', aliases={'paramiko': 'paramiko_ssh'})
lookup_loader = PluginLoader('LookupModule', 'ansible.runner.lookup_plugins', C.DEFAULT_LOOKUP_PLUGIN_PATH, 'lookup_plugins')
vars_loader = PluginLoader('VarsModule', 'ansible.inventory.vars_plugins', C.DEFAULT_VARS_PLUGIN_PATH, 'vars_plugins')
filter_loader = PluginLoader('FilterModule', 'ansible.runner.filter_plugins', C.DEFAULT_FILTER_PLUGIN_PATH, 'filter_plugins')

9
lib/ansible/utils/template.py
View file

@ -221,10 +221,11 @@ def template_from_file(basedir, path, vars):
realpath = utils.path_dwim(basedir, path)
loader=jinja2.FileSystemLoader([basedir,os.path.dirname(realpath)])
environment = jinja2.Environment(loader=loader, trim_blocks=True)
environment.filters['to_json'] = json.dumps
environment.filters['from_json'] = json.loads
environment.filters['to_yaml'] = yaml.dump
environment.filters['from_yaml'] = yaml.load
for filter_plugin in utils.plugins.filter_loader.all():
filters = filter_plugin.filters()
if not isinstance(filters, dict):
raise errors.AnsibleError("FilterModule.filters should return a dict.")
environment.filters.update(filters)
try:
data = codecs.open(realpath, encoding="utf8").read()
except UnicodeDecodeError: