Tell if Python is in interactive mode

__main__.__file__ doesn’t exist in the interactive interpreter:

import __main__ as main
print hasattr(main, '__file__')

This also goes for code run via python -c, but not python -m.

Related Contents:

  1. How can I force division to be floating point? Division keeps rounding down to 0?
  2. How does Python 2 compare string and int? Why do lists compare as greater than numbers, and tuples greater than lists?
  3. How can I concatenate str and int objects?
  4. What is the difference between range and xrange functions in Python 2.X?
  5. What are the differences between the urllib, urllib2, urllib3 and requests module?
  6. Nested arguments not compiling
  7. How to get string objects instead of Unicode from JSON?
  8. Writing Unicode text to a text file?
  9. f-strings giving SyntaxError?
  10. No module named MySQLdb
  11. Setting the correct encoding when piping stdout in Python
  12. Alternative to dict comprehension prior to Python 2.7
  13. Python unexpected EOF while parsing
  14. Why does Python print unicode characters when the default encoding is ASCII?
  15. What is __future__ in Python used for and how/when to use it, and how it works
  16. Python – ‘ascii’ codec can’t decode byte
  17. How do I prevent a C shared library to print on stdout in python?
  18. How to decorate a class?
  19. Converting “yield from” statement to Python 2.7 code
  20. Python exception chaining [duplicate]
  21. How to reinstall python@2 from Homebrew?
  22. Is it ever useful to use Python’s input over raw_input?
  23. Running an interactive command from within Python
  24. How can I read large text files partially (out-of-core)? [duplicate]
  25. How to print a percentage value in python?
  26. Defining “boolness” of a class in python
  27. How dangerous is setting self.__class__ to something else?
  28. What is more ‘pythonic’ for ‘not’ [duplicate]
  29. write() versus writelines() and concatenated strings
  30. NameError from Python input() function [duplicate]
  31. How to read a CSV file from a URL with Python?
  32. How to: Macports select python
  33. Implement an interactive shell over ssh in Python using Paramiko?
  34. Convert float to string in positional format (without scientific notation and false precision)
  35. Get output from a Paramiko SSH exec_command continuously
  36. Why does input() give a SyntaxError when I just press enter?
  37. Malformed String ValueError ast.literal_eval() with String representation of Tuple
  38. Why does assigning to True/False not work as I expect?
  39. Strange behaviour with floats and string conversion
  40. How do you use subprocess.check_output() in Python?
  41. Multiple (asynchronous) connections with urllib2 or other http library?
  42. compare lines in a file with a string
  43. UnicodeDecodeError: ‘utf8’ codec can’t decode bytes in position 3-6: invalid data
  44. How do convert unicode escape sequences to unicode characters in a python string
  45. How do comparison operators < and > work with a function as an operand?
  46. How to accomplish relative import in python
  47. Replace list of list with “condensed” list of list while maintaining order
  48. ImportError: DLL load failed: %1 is not a valid Win32 application for Python Matplotlib
  49. Pretty print JSON dumps
  50. IndentationError: unindent does not match any outer indentation level, although the indentation looks correct

Leave a Comment