使用dbf库读取.dbt文件时遭遇Unknown dbf type: 16 (10)错误的技术求助

Hey there, let's sort out this error you're hitting. The issue comes down to a common mix-up with FoxPro file types:

What's Going Wrong? #

.dbt files are FoxPro memo files—they don't function as standalone tables. They exist only to store the actual content of memo fields that live in a corresponding .dbf main table file. When you try to open a .dbt directly with dbf.Table, the library encounters an unexpected file type identifier (16/0x10, which maps to FoxPro memo-related structures) and throws that error.

The Simple Fix #

You need to open the main .dbf file instead of the .dbt file. The dbf library will automatically detect and associate the corresponding .dbt memo file behind the scenes:

import dbf
# Replace 'test.dbf' with your actual main table filename
table = dbf.Table(filename='test.dbf')
table.open(dbf.READ_ONLY)

How to Access Memo Content #

Once you've opened the main .dbf table, you can access memo field values just like any other field. For example, if your table has a memo field named notes, you'd read it like this:

for record in table:
    print(record.notes)

Edge Case: If You Really Need to Work With the .dbt Directly #

This scenario is rare, but if you have a standalone .dbt without its matching .dbf, you'll need to use a tool or library specifically built to parse FoxPro memo file formats. The standard dbf library doesn't support standalone .dbt processing since these files are dependent on their parent table's structure.

内容的提问来源于stack exchange，提问作者jonas