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from argparse import Namespace
from cru import CruIterator
from cru.template import TemplateTree
from ._base import AppCommandFeatureProvider, AppFeaturePath, OWNER_NAME
from ._config import ConfigManager
class TemplateManager(AppCommandFeatureProvider):
def __init__(self, prefix: str = OWNER_NAME.upper()):
super().__init__("template-manager")
self._prefix = prefix
def setup(self) -> None:
self._templates_dir = self.app.add_path("templates", True)
self._generated_dir = self.app.add_path("generated", True)
self._template_tree: TemplateTree | None = None
@property
def prefix(self) -> str:
return self._prefix
@property
def templates_dir(self) -> AppFeaturePath:
return self._templates_dir
@property
def generated_dir(self) -> AppFeaturePath:
return self._generated_dir
@property
def template_tree(self) -> TemplateTree:
if self._template_tree is None:
return self.reload()
return self._template_tree
def reload(self) -> TemplateTree:
self._template_tree = TemplateTree(
self.prefix, self.templates_dir.full_path_str
)
return self._template_tree
def list_files(self) -> list[str]:
return (
CruIterator(self.template_tree.templates)
.transform(lambda t: t[0])
.to_list()
)
def print_file_lists(self) -> None:
for file in self.list_files():
print(file)
def generate_files(self) -> None:
config_manager = self.app.get_feature(ConfigManager)
self.template_tree.generate_to(
self.generated_dir.full_path_str, config_manager.config_map
)
def get_command_info(self):
return ("template", "Manage templates.")
def setup_arg_parser(self, arg_parser):
subparsers = arg_parser.add_subparsers(dest="template_command")
_list_parser = subparsers.add_parser("list", help="List templates.")
_variables_parser = subparsers.add_parser(
"variables", help="List variables for a specific template."
)
_generate_parser = subparsers.add_parser("generate", help="Generate template.")
def run_command(self, args: Namespace) -> None:
if args.template_command == "list":
self.print_file_lists()
elif args.template_command == "variables":
for var in self.template_tree.variables:
print(var)
elif args.template_command == "generate":
self.generate_files()
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