Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > comp.lang.python > #77794

Re: Why command os.popen works in python interactive mode but not in script debugger mode?

Show key headers only | View raw

On Fri, Sep 12, 2014 at 3:15 PM, Viet Nguyen
<vhnguyenn@yahoo.com.dmarc.invalid> wrote:
> But from debugger mode in a script:
>>>> import os
> (Pdb) p = os.popen('date')
> *** SyntaxError: SyntaxError('invalid syntax', ('<string>', 1, 1, "= os.popen('date')"))
>
>
> Can anyone help me why there is syntax here?
>

This is actually a command to the debugger. You say "p
some_expression" and it prints out the value of some_expression.

https://docs.python.org/2/library/pdb.html#debugger-commands
""""
Commands that the debugger doesn’t recognize are assumed to be Python
statements and are executed in the context of the program being
debugged. Python statements can also be prefixed with an exclamation
point (!).
"""

So try this:

!p = os.popen('date')

ChrisA

Back to comp.lang.python | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

Why command os.popen works in python interactive mode but not in script debugger mode? Viet Nguyen <vhnguyenn@yahoo.com> - 2014-09-11 22:15 -0700
  Re: Why command os.popen works in python interactive mode but not in script debugger mode? Chris Angelico <rosuav@gmail.com> - 2014-09-12 15:26 +1000
  Re: Why command os.popen works in python interactive mode but not in script debugger mode? Viet Nguyen <vhnguyenn@yahoo.com> - 2014-09-12 06:39 -0700

csiph-web