def content_processor_jinja2(item):
try:
from jinja2 import Environment, FileSystemLoader
except ImportError:
raise TemplateError(
_("Unable to load Jinja2 (required to render {item}). "
"You probably have to install it using `pip install Jinja2`.").
format(item=item.id))
loader = FileSystemLoader(searchpath=[item.item_data_dir, item.item_dir])
env = Environment(loader=loader)
template = env.from_string(item._template_content)
io.debug("{node}:{bundle}:{item}: rendering with Jinja2...".format(
bundle=item.bundle.name,
item=item.id,
node=item.node.name,
))
start = datetime.now()
try:
content = template.render(item=item,
bundle=item.bundle,
node=item.node,
repo=item.node.repo,
**item.attributes['context'])
except FaultUnavailable:
raise
except Exception as e:
io.debug("".join(format_exception(*exc_info())))
raise TemplateError(
_("Error while rendering template for {node}:{bundle}:{item}: {error}"
).format(
bundle=item.bundle.name,
error=e,
item=item.id,
node=item.node.name,
))
duration = datetime.now() - start
io.debug("{node}:{bundle}:{item}: rendered in {time}s".format(
bundle=item.bundle.name,
item=item.id,
node=item.node.name,
time=duration.total_seconds(),
))
return content.encode(item.attributes['encoding'])
def content_processor_mako(item):
template = Template(
item._template_content.encode('utf-8'),
input_encoding='utf-8',
lookup=TemplateLookup(directories=[item.item_data_dir, item.item_dir]),
output_encoding=item.attributes['encoding'],
)
io.debug("{node}:{bundle}:{item}: rendering with Mako...".format(
bundle=item.bundle.name,
item=item.id,
node=item.node.name,
))
start = datetime.now()
try:
content = template.render(item=item,
bundle=item.bundle,
node=item.node,
repo=item.node.repo,
**item.attributes['context'])
except FaultUnavailable:
raise
except Exception as e:
io.debug("".join(format_exception(*exc_info())))
if isinstance(e, NameError) and str(e) == "Undefined":
# Mako isn't very verbose here. Try to give a more useful
# error message - even though we can't pinpoint the excat
# location of the error. :/
e = _("Undefined variable (look for '${...}')")
elif isinstance(e, KeyError):
e = _("KeyError: {}").format(str(e))
raise TemplateError(
_("Error while rendering template for {node}:{bundle}:{item}: {error}"
).format(
bundle=item.bundle.name,
error=e,
item=item.id,
node=item.node.name,
))
duration = datetime.now() - start
io.debug("{node}:{bundle}:{item}: rendered in {time}s".format(
bundle=item.bundle.name,
item=item.id,
node=item.node.name,
time=duration.total_seconds(),
))
return content