python:从文件中读取表(从prettytable创建)并保留空格

Question

假设我有以下 file.txt

$ cat file.txt
+-----------+------+------------+-----------------+
| City name | Area | Population | Annual Rainfall |
+-----------+------+------------+-----------------+
| Adelaide  | 1295 |  1158259   |      600.5      |
| Brisbane  | 5905 |  1857594   |      1146.4     |
| Darwin    | 112  |   120900   |      1714.7     |
| Hobart    | 1357 |   205556   |      619.5      |
| Sydney    | 2058 |  4336374   |      1214.8     |
| Melbourne | 1566 |  3806092   |      646.9      |
| Perth     | 5386 |  1554769   |      869.4      |
+-----------+------+------------+-----------------+

如果我尝试像这样读取文件:

with open('file.txt') as fp:
    lines = fp.readlines()

然后我尝试使用 gtk2.0 文本缓冲区显示每一行(类似于打印):

for eachline in lines:
    if idx == 0:
        self.textbuffer.delete(start, end)
        end = self.textbuffer.get_end_iter()
        self.textbuffer.set_text(eachline)
    else:
        self.textbuffer.insert(end, eachline)
        end = self.textbuffer.get_end_iter()

我得到以下输出:

+-----------+------+------------+-----------------+
| City name | Area | Population | Annual Rainfall |
+-----------+------+------------+-----------------+
| Adelaide |  1295 |  1158259 |      600.5      |
| Brisbane  | 5905  |  1857594   |      1146.4     |
| Darwin   | 112  |   120900   |      1714.7     |
| Hobart   | 1357 |   205556   |      619.5      |
| Sydney    | 2058 |  4336374   |      1214.8     |
| Melbourne  | 1566 |  3806092   |      646.9      |
| Perth   | 5386 |  1554769   |      869.4      |
+-----------+------+------------+-----------------+

有什么建议可以让它看起来更漂亮吗(就像第一个表)？

提前致谢!

Answer 1

您可能希望将字符串格式化为如下所示:

Python: Format output string, right alignment输出中的 with 类似

for align, text in zip('<^>', ['left', 'center', 'right']): 
    '{0:{fill}{align}16}'.format(text, fill=align, align=align)

在输出中，您可以指定 with (或根据输入的长度获取它)。

我自己没有使用过 gtk2.0，但也许它会有所帮助 https://docs.python.org/3/library/string.html#formatstrings