python-2.x Archives

Tell if Python is in interactive mode

January 13, 2021 Jeffrey Schneider

Question or problem about Python programming: In a Python script, is there any way to tell if the interpreter is in interactive mode? This would be useful so that, for instance, when you run an interactive Python session and import a module, slightly different code is executed (for example, logging is turned off).

UnicodeDecodeError: ‘utf8’ codec can’t decode bytes in position 3-6: invalid data

January 8, 2021 Simon Abital

Question or problem about Python programming: how does the unicode thing works on python2? i just dont get it.

Python is a powerful general-purpose programming language.

Using print() (the function version) in Python2.x

January 7, 2021 Ollie MC

Question or problem about Python programming: I understand the difference between a statement and an expression, and I understand that Python3 turned print() into a function.

Python string to unicode

January 6, 2021 Simon Abital

Question or problem about Python programming: I have a string that contains unicode characters e.g. \u2026 etc. Somehow it is not received to me as unicode, but is received as a str. How do I convert it back to unicode? >>> a=”Hello\u2026″ >>> b=u”Hello\u2026″ >>> print a Hello\u2026 >>> print b Hello… >>> print unicode(a) […]

overriding bool() for custom class

January 6, 2021 Oceane Wilson

Question or problem about Python programming: All I want is for bool(myInstance) to return False (and for myInstance to evaluate to False when in a conditional like if/or/and. I know how to override >, >> bool(MinPriorityQueue([]) False >>> bool(MinPriorityQueue([1,3,2]) True Solution 4: test.__nonzero__() Solution 5: Similar to John La Rooy, I use: class Test(object): def […]

Set literal gives different result from set function call

January 3, 2021 Bell Jacquise

Question or problem about Python programming: Why does the set function call wipe out the dupes, but parsing a set literal does not?

How can I get 2.x-like sorting behaviour in Python 3.x?

January 2, 2021 Oceane Wilson

Question or problem about Python programming: I’m trying to replicate (and if possible improve on) Python 2.x’s sorting behaviour in 3.x, so that mutually orderable types like int, float etc. are sorted as expected, and mutually unorderable types are grouped within the output.

Tag: python-2.x