bugfix
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docs/dbtable.md
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43
docs/dbtable.md
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# 数据库表定义规范
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数据库表用一个json格式文件或数据来定义，具体规范如下
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{
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"name"
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"title"
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"primary"
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"catelog" # 可选项：entity relation dimession indication
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"fields":[ # 字段
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{
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"name"
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"title"
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"type" #可选项有：str char short long llong date time timestamp float double ddouble decimal text
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"length"
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"dec"
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"nullable" # 可选项：yes no
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"default"
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"comments" # 注释
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}
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]
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"indexes":[
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{
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"name" # 每个索引一个，idxname不能重复一个表中
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"idxtype" # unique or index
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"idxfields" # 字段名或字段名数组[f1,f1]
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}
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]
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“codes":[ # 如果一个字段数据可以从其他表中获得，可以通过下面的模式定义选择输入逻辑
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{
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"field" # 字段的名字
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"table" # 数据来源表
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"valuefield" # 数据来源表值字段
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"textfield" # 数据来源表显示字段
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"cond" # 检索条件
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}
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]
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]
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说明：
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id字段全部使用str 32类型
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字典中的length：如果type是str char float double ddouble decimal中的一个，则必为>0的数字
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字典中的dec: 如果type是float double ddouble decimal中的一个，则必须是>0的数字
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@ -17,4 +17,5 @@ install_requires =
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console_scripts =
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xls2ddl = xls2ddl.xls2ddl:main
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xls2ui = xls2ddl.xls2ui:main
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json2xlsx = xls2ddl.json2xlsx
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162
xls2ddl/json2xlsx.py
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xls2ddl/json2xlsx.py
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import json
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import os
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from openpyxl import Workbook
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def save_table_json_to_xlsx(table_json, output_dir="."):
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"""
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将数据库表定义的 JSON 数据写入 .xlsx 文件
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:param table_json: 字典，符合数据库表定义规范的 JSON 数据
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:param output_dir: 输出目录
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"""
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# 提取表名作为文件名
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table_name = table_json.get("name")
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if not table_name:
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raise ValueError("JSON 中缺少 'name' 字段")
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filename = f"{table_name}.xlsx"
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filepath = os.path.join(output_dir, filename)
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# 创建工作簿
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wb = Workbook()
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# --- summary sheet ---
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ws_summary = wb.active
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ws_summary.title = "summary"
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summary_headers = ["name", "title", "primary", "catelog"]
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ws_summary.append(summary_headers)
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ws_summary.append([
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table_json.get("name", ""),
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table_json.get("title", ""),
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table_json.get("primary", ""),
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table_json.get("catelog", "")
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])
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# --- fields sheet ---
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ws_fields = wb.create_sheet("fields")
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field_headers = ["name", "title", "type", "length", "dec", "nullable", "default", "comments"]
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ws_fields.append(field_headers)
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for field in table_json.get("fields", []):
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row = [
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field.get("name", ""),
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field.get("title", ""),
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field.get("type", ""),
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field.get("length", ""),
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field.get("dec", ""),
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field.get("nullable", ""),
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field.get("default", ""),
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field.get("comments", "")
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]
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ws_fields.append(row)
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# --- indexes sheet ---
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ws_indexes = wb.create_sheet("indexes")
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index_headers = ["name", "idxtype", "idxfields"]
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ws_indexes.append(index_headers)
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for idx in table_json.get("indexes", []):
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idxfields = idx.get("idxfields")
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# 如果 idxfields 是列表，转成字符串形式 f1,f2；否则保持原样
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idxfields_str = ",".join(idxfields) if isinstance(idxfields, list) else str(idxfields)
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ws_indexes.append([
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idx.get("name", ""),
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idx.get("idxtype", ""),
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idxfields_str
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])
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# --- codes sheet ---
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ws_codes = wb.create_sheet("codes")
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code_headers = ["field", "table", "valuefield", "textfield", "cond"]
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ws_codes.append(code_headers)
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for code in table_json.get("codes", []):
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ws_codes.append([
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code.get("field", ""),
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code.get("table", ""),
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code.get("valuefield", ""),
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code.get("textfield", ""),
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code.get("cond", "")
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])
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# 保存文件
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wb.save(filepath)
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print(f"✅ 已生成文件: {filepath}")
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# ======================
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# 使用示例
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# ======================
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if __name__ == "__main__":
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import os, sys
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import codecs
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import json
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if len(sys.argv) < 2:
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print(f'{sys.argv[0] dbtable_json_file ...')
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sys.exit(1)
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for a in sys.argv[1:]:
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with open(a, 'r', encoding='utf-8') as file:
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content = file.read()
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data = json.loads(content)
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if not isinstance(data, list):
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data = [data]
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for d in data:
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save_table_json_to_xlsx(d)
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"""
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# 示例 JSON 数据
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sample_json = {
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"name": "user_info",
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"title": "用户信息表",
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"primary": "id",
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"catelog": "entity",
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"fields": [
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{
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"name": "id",
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"title": "用户ID",
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"type": "str",
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"length": 32,
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"nullable": "no",
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"comments": "主键，32位字符串"
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},
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{
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"name": "age",
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"title": "年龄",
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"type": "short",
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"nullable": "yes",
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"default": 0,
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"comments": "用户年龄"
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},
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{
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"name": "salary",
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"title": "月薪",
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"type": "decimal",
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"length": 10,
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"dec": 2,
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"nullable": "yes",
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"default": "0.00",
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"comments": "精确到分"
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}
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],
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"indexes": [
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{
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"name": "idx_user_age",
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"idxtype": "index",
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"idxfields": ["age"]
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},
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{
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"name": "idx_user_salary",
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"idxtype": "unique",
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"idxfields": ["id", "salary"]
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}
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],
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"codes": [
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{
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"field": "dept_id",
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"table": "department",
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"valuefield": "id",
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"textfield": "name",
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"cond": "status=1"
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}
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]
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}
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# 调用函数生成 xlsx
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save_table_json_to_xlsx(sample_json)
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"""
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@ -164,7 +164,7 @@ class CRUDData(XLSXData):
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return False
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if 'fields' not in names:
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return False
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if 'validation' not in names:
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if 'validation' not in names and 'indexes' not in names:
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return False
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return True
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@ -175,8 +175,6 @@ class CRUDData(XLSXData):
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raise CRUDException(self.xlsxfile,'summary sheet missing')
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if not 'fields' in d.keys():
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raise CRUDException(self.xlsxfile,'fields sheet missing')
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if not 'validation' in d.keys():
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raise CRUDException(self.xlsxfile,'validation sheet missing')
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if len(d['summary']) != 1:
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raise CRUDException(self.xlsxfile, 'Not summary or more than one summary')
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self.convPrimary()
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@ -251,6 +249,8 @@ class CRUDData(XLSXData):
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def convIndex(self):
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data = self.data
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if data.get('indexes'):
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return
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vs = data['validation']
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nvs = []
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for v in vs:
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