实例Python处理XML文件的方法

转自：http://www.jb51.net/article/71773.htm

以下是部分代码：

<?xml version="1.0" encoding="UTF-8"?>

<!-- 表名 ,数据库名  可灵活配置插入哪个库哪个表 -->

<table name="top_query" db_name="evaluting_sys">

<!-- 非业务主键，自增长,可配名，其他 INTEGER UNSIGNED AUTO_INCREMENT -->

<primary_key>

<name>id</name>

</primary_key>

<!-- 字段开始 -->

<field>

<name>query</name>

<type>varchar(200)</type>

<is_index>false</is_index>

<description>query</description>

</field>

<field>

<name>pv</name>

<type>integer</type>

<is_index>false</is_index>

<description>pv</description>

</field>

<field>

<name>avg_money</name>

<type>integer</type>

<is_index>false</is_index>

<description></description>

</field>

<!-- 字段配置结束 -->

</table>

----------------------------------

import sys,os

from xml.dom import minidom, Node

 

def read_dbconfig_xml(xml_file_path):

  content = {}

 

  root = minidom.parse(xml_file_path)

  table = root.getElementsByTagName("table")[0]

 

  #read dbname and table name.

  table_name = table.getAttribute("name")

  db_name = table.getAttribute("db_name")

 

  if len(table_name) > 0 and len(db_name) > 0:

    db_sql = "create database if not exists `" + db_name +"`; use " + db_name + ";"

    table_drop_sql = "drop " + table_name + " if exists " + table_name + ";"

    content.update({"db_sql" : db_sql})

    content.update({"table_sql" : table_drop_sql })

  else:

    print "Error:attribute is not define well! db_name=" + db_name + " ;table_name=" + table_name

    sys.exit(1)

  #print table_name, db_name

 

  table_create_sql = "create table " + table_name +"("

 

  #read primary cell

  primary_key = table.getElementsByTagName("primary_key")[0]

  primary_key_name = primary_key.getElementsByTagName("name")[0].childNodes[0].nodeValue

 

  table_create_sql += primary_key_name + " INTEGER NOT NULL AUTO_INCREMENT PRIMARY KEY,"

 

  #print primary_key.toxml()

  #read ordernary field

  fields = table.getElementsByTagName("field")

  f_index = 0

  for field in fields:

    f_index += 1

    name = field.getElementsByTagName("name")[0].childNodes[0].nodeValue

    type = field.getElementsByTagName("type")[0].childNodes[0].nodeValue

    table_create_sql += name + " " + type

    if f_index != len(fields):

    table_create_sql += ","

    is_index = field.getElementsByTagName("is_index")[0].childNodes[0].nodeValue

 

  table_create_sql += ");"

  content.update({"table_create_sql" : table_create_sql})

  #character set latin1 collate latin1_danish_ci;

  print content

 

 

if __name__ == "__main__":

read_dbconfig_xml(sys.argv[1])