Files
fastapi-best-architecture/backend/utils/gen_template.py
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Python

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
from jinja2 import Environment, FileSystemLoader, Template, select_autoescape
from pydantic.alias_generators import to_pascal, to_snake
from backend.app.generator.model import GenBusiness, GenModel
from backend.core.path_conf import JINJA2_TEMPLATE_DIR
class GenTemplate:
def __init__(self):
self.env = Environment(
loader=FileSystemLoader(JINJA2_TEMPLATE_DIR),
autoescape=select_autoescape(enabled_extensions=['jinja']),
trim_blocks=True,
lstrip_blocks=True,
keep_trailing_newline=True,
enable_async=True,
)
self.init_content = '#!/usr/bin/env python3\n# -*- coding: utf-8 -*-\n'
self.model_content = 'from backend.common.model import MappedBase # noqa: I001\n'
def get_template(self, jinja_file: str) -> Template:
"""
获取模版文件
:param jinja_file:
:return:
"""
return self.env.get_template(jinja_file)
@staticmethod
def get_template_paths() -> list[str]:
"""
获取模版文件路径
:return:
"""
return [
'py/api.jinja',
'py/crud.jinja',
'py/model.jinja',
'py/schema.jinja',
'py/service.jinja',
]
@staticmethod
def get_code_gen_path(tpl_path: str, business: GenBusiness) -> str:
"""
获取代码生成路径
:return:
"""
app_name = business.app_name
module_name = business.table_name_en
code_gen_path_mapping = {
'py/api.jinja': f'py/{app_name}/api/{business.api_version}/{module_name}.py',
'py/crud.jinja': f'py/{app_name}/crud/crud_{module_name}.py',
'py/model.jinja': f'py/{app_name}/model/{module_name}.py',
'py/schema.jinja': f'py/{app_name}/schema/{module_name}.py',
'py/service.jinja': f'py/{app_name}/service/{module_name}_service.py',
}
return code_gen_path_mapping.get(tpl_path)
@staticmethod
def get_vars(business: GenBusiness, models: list[GenModel]) -> dict:
"""
获取模版变量
:param business:
:param models:
:return:
"""
return {
'app_name': business.app_name,
'table_name_en': to_snake(business.table_name_en),
'table_name_class': to_pascal(business.table_name_en),
'table_name_zh': business.table_name_zh,
'table_simple_name_zh': business.table_simple_name_zh,
'table_comment': business.table_comment,
'schema_name': to_pascal(business.schema_name),
'have_datetime_column': business.have_datetime_column,
'permission_sign': str(business.__tablename__.replace('_', ':')),
'models': models,
}
gen_template = GenTemplate()