python 字元串IO

• 2019 年 10 月 10 日
• 筆記

io.StringIO

s = io.StringIO() s.write('Hello Worldn') 12 print('This is a test', file=s) 15 Get all of the data written so far s.getvalue() 'Hello WorldnThis is a testn'

Wrap a file interface around an existing string s = io.StringIO('HellonWorldn') s.read(4) 'Hell' s.read() 'onWorldn'

s = io.BytesIO() s.write(b'binary data') s.getvalue() b'binary data'