复制在Dbf中更改名称的列

时间:2016-11-07 20:45:01

标签: python dbf

我有一个带有这个结构的dbf文件:

__SAMPLEID
  1
  2
  3
  4

我想复制值但是更改了na列名,我期望的结果是这样的:

__SAMPLEID       ID
  1              1
  2              2
  3              3
  4              4

我尝试在python上使用dbfpy或db libs,它可以做到吗?

1 个答案:

答案 0 :(得分:1)

使用我的dbf library

重命名现有dbf中的字段:

import dbf

with dbf.Table('file-name-here.dbf') as table:
    table.rename_field('old_name', 'new_name')

要复制表格,请为某些字段指定新名称:

import dbf

old_table = dbf.Table('original-table-here.dbf')
fields = old_table.structure()
# fields is a list of specifications, such as "name C(20)"
changes = [('field1', 'field10'), ('field2', 'field20')]
for old_name, new_name in changes:
    for i, f in enumerate(fields):
        if f.startswith(old_name + ' '): # note the space!
            fields[i] = f.replace(old_name, new_name)

new_table = dbf.Table('new_table_name_here.dbf', fields)
with old_table as old, new_table as new:
    for record in old_table:
        new_table.append(tuple(record))