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0.8.0 (2020-09-27)

Features

  • add modernize console_script

Breaking

  • use fissix instead of deprecated lib2to3 #203 modernize itself will no-longer run under Python 2, or Python <3.6, but will always be able to process Python 2 code.

Bugfixes

  • Fix for dict.viewitems(), dict.iteritems() etc in chained calls #181
  • Fix for SLASHEQUAL /= in fix_classic_divivion #197

Docs/tests/meta

0.8rc4 (2020-09-27)

  • Nothing changed yet.

0.8rc2 (2020-09-22)

Features

  • add modernize console_script

Meta

Version 0.8rc1

Released 2020-07-20.

Breaking

  • use fissix instead of deprecated lib2to3 #203 modernize itself will no-longer run under Python 2, or Python <3.6, but will always be able to process Python 2 code.

Bugfixes

  • Fix for dict.viewitems(), dict.iteritems() etc in chained calls #181
  • Fix for SLASHEQUAL /= in fix_classic_divivion #197

Docs/tests/meta

Version 0.5-0.7

  • Added the opt-in classic_division fixer.
  • Updated the dict_six fixer to support six.viewitems() and friends.
  • New fixer for unichr, changed to six.unichr.
  • Documentation corrections.

Version 0.4

Released 2014-10-14.

  • Documentation has been added.
  • All fixers are now idempotent, which allows modernize to safely be applied more than once to the same source code.
  • The option to include default fixers when -f options are used is now spelled -f default, rather than -f all.
  • Added a --version option to the modernize command.
  • Calls to zip, map, and filter are now wrapped with list() in non-iterator contexts, to preserve Python 2 semantics.
  • Improved fixer for xrange using six.moves.range.
  • Simplified use of six.with_metaclass for classes with more than one base class.
  • New fixer for imports of renamed standard library modules, using six.moves.
  • New fixer to add from __future__ import absolute_import to all files with imports, and change any implicit relative imports to explicit (see PEP 328).
  • New fixer for input() and raw_input(), changed to eval(input()) and input() respectively.
  • New fixer for file(), changed to open(). There is also an opt-in fixer that changes both of these to io.open().
  • New fixer for (int, long) or (long, int), changed to six.integer_types. Other references to long are changed to int.
  • New fixer for basestring, changed to six.string_types.
  • New fixer for unicode, changed to six.text_type.
  • The fix_next fixer uses the next() builtin rather than six.advance_iterator.
  • There is test coverage for all libmodernize fixers.
  • Simplified the implementation of many libmodernize fixers by extending similar fixers from lib2to3.
  • Fixed a bug where fix_raise_six was adding an incorrect import statement.
  • Support for targeting Python 2.5 or lower has been officially dropped. (Previously some fixers did output constructs that were only added in Python 2.6, such as the except ... as construct, but this was not documented.)

Version 0.3

Released 2014-08-12.

  • New fixer for raise E, V, T, changed to six.reraise(E, V, T).
  • New fixer for metaclasses, using six.with_metaclass.
  • Avoid adding redundant parentheses to print(x).
  • modernize can now be installed and run on Python 3.
  • Fixed a bug where __future__ imports were added multiple times.
  • Fixed a bug where fixer for zip() was recognising map().
  • The default is now to leave Unicode literals unchanged. (In previous versions this required the --compat-unicode option, which has now been removed.) A new --six-unicode option has been added to obtain the previous behaviour of adding six.u wrappers around Unicode literals.