189 lines
8.1 KiB
Python
189 lines
8.1 KiB
Python
#!/bin/python
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#coding: utf-8
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# +-------------------------------------------------------------------
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# | version:1.3
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# +-------------------------------------------------------------------
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# | Date: 2023-10-31
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# +-------------------------------------------------------------------
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# | django-vue-lyadmin
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# +-------------------------------------------------------------------
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# | Author: lybbn
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# +-------------------------------------------------------------------
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# | QQ: 1042594286
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# +-------------------------------------------------------------------
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# | EditDate: 2024-01-05
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# +-------------------------------------------------------------------
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# ------------------------------
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# 代码生成--models模型
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# ------------------------------
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from django.template import Template,Context
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from utils.models import get_all_models_objects
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def lyGenerateModels(object):
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# object ={
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# "id": 1,
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# "modifier_name": "超级管理员",
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# "creator_name": "超级管理员",
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# "create_datetime": "2023-02-14 00:09:35",
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# "update_datetime": "2023-02-16 20:59:42",
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# "modifier": "456b688c-8ad5-46de-bc2e-d41d8047bd42",
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# "is_delete": False,
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# "verbose_name": "学生管理",
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# "class_name": "StudentManage",
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# "db_table": "t_student",
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# "column": [
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# {
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# "field_name": "name",
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# "verbose_name": "姓名",
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# "field_type": "CharField",
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# "nullable": True,
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# "unique": False,
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# "can_edit": True,
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# "can_list": True,
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# "can_search": False,
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# "form_type": "input",
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# "width": "100",
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# "hide": False,
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# "sortable": False,
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# "fixed": False,
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# "filters": [],
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# "dic_type": "",
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# "max_length": "50"
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# },
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# ],
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# "remark": "学生管理字段",
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# "creator": "456b688c-8ad5-46de-bc2e-d41d8047bd42"
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# }
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if not object:
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raise ValueError("传递参数错误")
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if object['class_name'] in ["LyAutoCode","autocode"]:
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raise ValueError("models类名：%s已被系统暂用，请更换其他类名"%object['class_name'])
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if object['db_table'] in ["lyadmin_autocode"]:
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raise ValueError("数据表名：%s已被系统暂用，请更换其他表名"%object['db_table'])
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column = object['column']
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model_column = []
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custom_ordering = ['-create_datetime']
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ordering = []
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import_extend = []
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for c in column:
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field_name = c['field_name']
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field_type = c['field_type'] if c['field_type'] else "CharField"
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foreign_key = c['foreign_key']
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verbose_name = c['verbose_name']
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max_length = c.get('max_length')
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default = c.get('default')
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unique = c['unique']
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primary_key = c.get('primary_key',False)
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db_index = c.get('db_index',False)
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nullable = c['nullable']
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codeline = field_name +" = models."+field_type+"("
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if field_type == 'ForeignKey' or field_type == 'ManyToManyField' or field_type == 'OneToOneField':
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f_class_name = foreign_key['class_name']
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if not foreign_key or not f_class_name:
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raise ValueError("%s没有设置外键项，请设置后重试"%field_name)
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on_delete_item = foreign_key['on_delete']
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if f_class_name == 'self':
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f_class_name = "\'self\'"
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else:
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extend_import_path = get_all_models_objects(foreign_key['class_name'])
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if not extend_import_path:
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raise ValueError("%s没有找到该类的导入路径"%foreign_key['class_name'])
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import_extend.append(extend_import_path['table']['import_path'])
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on_delete_item = on_delete_item if on_delete_item else "CASCADE"
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if field_type == 'ManyToManyField':
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on_delete_item_str = ""
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else:
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on_delete_item_str = ", on_delete=models." + on_delete_item
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if f_class_name == "Users":
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related_name= "lyauto_"+object['class_name'].lower()+"_"+field_name.lower()+"_user"
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codeline += f_class_name + on_delete_item_str +", related_name=\""+related_name+ "\", db_constraint=False, verbose_name=\"" + verbose_name + "\""
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else:
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if field_type == 'ForeignKey':#ForeignKey 判断关联了多个同一个外键时需要添加related_name
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same_ForeignKey_keywords = "ForeignKey("+f_class_name+","
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has_same_ForeignKey = [item for item in model_column if same_ForeignKey_keywords in item]
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if has_same_ForeignKey:
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related_name= "lyauto_"+object['class_name'].lower()+"_"+field_name.lower()
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codeline += f_class_name + on_delete_item_str +", related_name=\""+related_name+ "\", db_constraint=False, verbose_name=\"" + verbose_name + "\""
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else:
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codeline += f_class_name + on_delete_item_str + ", db_constraint=False, verbose_name=\"" + verbose_name + "\""
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else:
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codeline += f_class_name + on_delete_item_str + ", db_constraint=False, verbose_name=\"" + verbose_name + "\""
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else:
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codeline += "verbose_name=\""+verbose_name+"\""
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if field_type == 'CharField':
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if not max_length:
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max_length = "100"
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codeline += ", max_length="+max_length
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elif field_type == 'BooleanField':
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codeline += f", default={default}"
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elif field_type == 'DecimalField':
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codeline += " , max_digits=10, decimal_places=2"
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if db_index:
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codeline += ", db_index=True"
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if primary_key:
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codeline += ", primary_key=True"
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else:
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if field_type in ['AutoField']:
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codeline += ", primary_key=True"
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if unique:
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codeline += ", unique=True"
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isnullable=""
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blank=""
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if nullable:
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isnullable="True"
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blank="True"
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if field_type not in ['ManyToManyField']:
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codeline += ", null=" + isnullable + ",blank=" + blank
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else:
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codeline += ",blank=" + blank
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else:
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isnullable="False"
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blank="False"
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if default is not None:
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if 'default=' not in codeline and field_type not in ['ManyToManyField']:
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if default == "":
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codeline += f",default=''"
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else:
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if field_type in ['IntegerField', 'SmallIntegerField', 'PositiveIntegerField','PositiveSmallIntegerField', 'FloatField']:
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codeline += f",default={default}"
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else:
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codeline += f",default='{default}'"
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codeline += ")"
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model_column.append(codeline)
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# if c['sortable']:
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# ordering.append(c['field_name'])
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# ordering.append("-%s"%(c['field_name']))
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ordering = ordering + custom_ordering
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model_code = """# -*- coding: utf-8 -*-
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from django.db import models
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from utils.models import CoreModel,BaseModel,SimpleCoreModel{% for i in import_extend %}
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{{i}}{% endfor %}
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class {{object.class_name}}(CoreModel):
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\"\"\"
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{{ object.verbose_name }}
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\"\"\"{% for c in model_column %}
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{{ c|safe }}{% endfor %}
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class Meta:
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db_table = \"{{ object.db_table}}\"
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verbose_name = \"{{ object.verbose_name }}\"
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verbose_name_plural = verbose_name
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ordering = {{ ordering | safe }}
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app_label = 'lyautocode'#不放在lyautocode的app中此配置项可去掉
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"""
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context = Context({'model_column':model_column,'import_extend':import_extend,'object':object,'ordering':ordering})
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data = Template(model_code).render(context)
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return data
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