jinjyaml.constructor module¶
- class jinjyaml.constructor.Constructor¶
Bases:
object
Constructor class for Jinja2 template YAML tags.
When parsing YAML string, the class constructs template tags to
Data
objects.Add the constructor to PyYAML Loader as below:
import yaml import jinjyaml constructor = jinjyaml.Constructor() # Attention: tag name starts with "!" yaml.add_constructor('!j2', constructor) # or yaml.add_constructor('!j2', constructor, yaml.CLoader)
Attention
Custom YAML tags start with
"!"
.So, when we call
yaml.add_constructor
, thetag
parameter MUST have a single"!"
at the beginning.Content of the tag MUST be text