py23

Convert your Python 2.x source code into valid Python 3.x code.

Installation

yarn global add py23

npm install -g py23

Usage

  py23 --path ./

  // recursively convert all python 2.x source code files into python 3 valid code

  py23 --path ./app.py

  // converts all code in app.py file

Supported conversions:

print

Converts the print statement to the print() function.

getcwdu

Renames os.getcwdu() to os.getcwd().

raw_input

Converts raw_input() to input().

raise

Converts raise E, V to raise E(V)

has_key

Changes dict.has_key(key) to key indict.

except

Converts except X, T to except X as T.

unittest methods

| Python 2.x (From) | Python 3.x (To) | | --------------------------- | -------------------------- | | failUnlessEqual(a, b) | assertEqual(a, b) | | assertEquals(a, b) | assertEqual(a, b) | | failIfEqual(a, b) | assertNotEqual(a, b) | | assertNotEquals(a, b) | assertNotEqual(a, b) | | failUnless(a) | assertTrue(a) | | assert_(a) | assertTrue(a) | | failIf(a) | assertFalse(a) | | failUnlessRaises(exc, cal) | assertRaises(exc, cal) | | failUnlessAlmostEqual(a, b) | assertAlmostEqual(a, b) | | assertAlmostEquals(a, b) | assertAlmostEqual(a, b) | | failIfAlmostEqual(a, b) | assertNotAlmostEqual(a, b) | | assertNotAlmostEquals(a, b) | assertNotAlmostEqual(a, b) |