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https://github.com/fastapi-practices/fastapi-best-architecture.git
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105 lines
3.4 KiB
Python
105 lines
3.4 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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from typing import Sequence
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from jinja2 import Environment, FileSystemLoader, Template, select_autoescape
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from pydantic.alias_generators import to_pascal, to_snake
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from backend.core.conf import settings
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from backend.plugin.code_generator.model import GenBusiness, GenColumn
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from backend.plugin.code_generator.path_conf import JINJA2_TEMPLATE_DIR
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class GenTemplate:
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def __init__(self) -> None:
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"""初始化模板生成器"""
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self.env = Environment(
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loader=FileSystemLoader(JINJA2_TEMPLATE_DIR),
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autoescape=select_autoescape(enabled_extensions=['jinja']),
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trim_blocks=True,
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lstrip_blocks=True,
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keep_trailing_newline=True,
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enable_async=True,
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)
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self.init_content = '#!/usr/bin/env python3\n# -*- coding: utf-8 -*-\n'
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def get_template(self, jinja_file: str) -> Template:
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"""
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获取模板文件
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:param jinja_file: Jinja2 模板文件
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:return:
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"""
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return self.env.get_template(jinja_file)
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@staticmethod
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def get_template_files() -> list[str]:
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"""
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获取模板文件列表
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:return:
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"""
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files = []
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# python
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python_template_path = JINJA2_TEMPLATE_DIR / 'python'
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files.extend([f'python/{file.name}' for file in python_template_path.iterdir() if file.is_file()])
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return files
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@staticmethod
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def get_code_gen_paths(business: GenBusiness) -> list[str]:
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"""
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获取代码生成路径列表
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:param business: 代码生成业务对象
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:return:
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"""
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app_name = business.app_name
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filename = business.filename
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return [
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f'{app_name}/api/{business.api_version}/{filename}.py',
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f'{app_name}/crud/crud_{filename}.py',
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f'{app_name}/model/{filename}.py',
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f'{app_name}/schema/{filename}.py',
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f'{app_name}/service/{filename}_service.py',
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]
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def get_code_gen_path(self, tpl_path: str, business: GenBusiness) -> str:
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"""
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获取代码生成路径
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:param tpl_path: 模板文件路径
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:param business: 代码生成业务对象
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:return:
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"""
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target_files = self.get_code_gen_paths(business)
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code_gen_path_mapping = dict(zip(self.get_template_files(), target_files))
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return code_gen_path_mapping[tpl_path]
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@staticmethod
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def get_vars(business: GenBusiness, models: Sequence[GenColumn]) -> dict[str, str | Sequence[GenColumn]]:
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"""
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获取模板变量
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:param business: 代码生成业务对象
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:param models: 代码生成模型对象列表
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:return:
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"""
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return {
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'app_name': business.app_name,
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'table_name': to_snake(business.table_name),
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'doc_comment': business.doc_comment,
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'table_comment': business.table_comment,
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'class_name': to_pascal(business.class_name),
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'instance_name': to_snake(business.class_name),
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'schema_name': to_pascal(business.schema_name),
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'default_datetime_column': business.default_datetime_column,
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'permission': str(business.table_name.replace('_', ':')),
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'database_type': settings.DATABASE_TYPE,
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'models': models,
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}
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gen_template: GenTemplate = GenTemplate()
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