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pythonshellpython-interactive

Is it possible to make Python interpret a script line by line and generate output as if from an interactive shell?


Considering the following interactive shell session.

Python 2.7.5+ (default, Feb 27 2014, 19:37:08) 
[GCC 4.8.1] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> 1+1
2
>>> 2+5
7
>>> "foo"
'foo'
>>> 

Observe how, after every line, the interpreter will echo the result to the console.

If I put those same three commands into a script Foo.py without print statements, there will be no output generated.

Is there a way to force the Python interpreter to generate the same output as it would under interactive mode without modifying the code to manually insert print statements?


Solution

  • import code
    console = code.InteractiveConsole()
    prompt = '>>>'
    source = '''
    1 + 1
    2+5
    "foo"
    x = 1
    x
    y = (2+
         3)
    y + x     
    '''.splitlines()
    for line in source:
        print('{p} {l}'.format(p=prompt, l=line.rstrip()))
        prompt = '...' if console.push(line) else '>>>'
    

    yields

    >>> 
    >>> 1 + 1
    2
    >>> 2+5
    7
    >>> "foo"
    'foo'
    >>> x = 1
    >>> x
    1
    >>> y = (2+
    ...      3)
    >>> y + x
    6