用注释替换Python脚本中的打印命令。

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英文:

Replacing the Print Command in a python script with a comment

问题

I want the above command/line to be replaced with a string:

"#系列",即将上述打印命令转换为在该命令中的“print”后面的文本前缀为“#”的注释。

英文:

I have the command below in a .py file

print(r"\n print series")

I want the above command/line to be replaced with a string:

"#series" ie convert the above print command into a comment prefixing the # symbol to the text following the "print" in the command above.

I am new to python. Please help.

This question was closed earlier as it was not clear what I was attempting to do. Hence, the explanation that follows:

The reason for doing this: I want to use print statements in a script for learning python/using as reference. Later, I want to change the print statement into a comment. Hence, I want to replace the beginning of the print statement with a # which will convert it into a comment. As there would be many such conversions, I wanted to do it programmatically using a string.replace or something else. Any suggestions to achieve this in another way are also welcome. Thanks.

答案1

得分: 1

If you want to do this within your script itself (as opposed to doing a find+replace on the code), what I'd suggest would be wrapping the print calls in a function that you can switch off:

DEBUG = True

def debug_print(*args, **kwargs):
    if DEBUG:
        print(*args, **kwargs)

Then if you have a bunch of calls like:

debug_print("\n print series")

they will only print as long as DEBUG is True. When you want to turn off all those print statements, you can just edit that one line:

DEBUG = False

and now nothing prints.

英文:

If you want to do this within your script itself (as opposed to doing a find+replace on the code), what I'd suggest would be wrapping the print calls in a function that you can switch off:

DEBUG = True

def debug_print(*args, **kwargs):
    if DEBUG:
        print(*args, **kwargs)

Then if you have a bunch of calls like:

debug_print(r"\n print series")

they will only print as long as DEBUG is True. When you want to turn off all those print statements, you can just edit that one line:

DEBUG = False

and now nothing prints.

答案2

得分: 0

这是一个使用正则表达式的简单解决方案

  1. 将命令存储为名为 'command' 的变量中的字符串。
  2. 使用正则表达式将 'print' 关键字替换为 '#' 符号并删除 '\n' 字符。确保使用 '.strip()' 删除任何前导或尾随空格。 import re command = r"\n print series" comment = re.sub(r"\bprint\b\s*&", "#", command.replace(r"\n", "")).strip() print(comment) 这应该输出 #series,希望对您有所帮助。
英文:

Here's a simple solution using regex

  1. Store the command as a string in a variable called 'command'.
  2. Substitute the 'print' keyword with a '#' symbol and remove the '\n' character using regex. Making sure to use '.strip()' to remove any leading or trailing spaces.
import re
command = r"\n print series"
comment = re.sub(r"\bprint\b\s*", "#", command.replace(r"\n", "")).strip()
print(comment)

This should output #series, hope this helps.

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  • 本文由 发表于 2023年5月14日 23:31:10
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