Changes between Version 72 and Version 73 of Python3

Timestamp:

2021-02-15T17:32:03Z (3 years ago)

Author:

jaraco

Comment:

Add automation for futurize patch.

Python3

@@ -99 +99 @@
 **Second**, run `futurize --write --both-stages --all-imports path/to/file.py`.
 
-**Third**, fix the imports (TODO this can probably be automated).
+**Third**, fix the imports (automation below).
 
 Delete this bit:
@@ -119 +119 @@
 
 This adds builtins that match Python 3's semantics. The `#noqa: F401` keeps flake8/pyflakes from complaining about unused imports. We do unused imports so that people changing code later don't have to manually check if `map()` is old style or new style.
+
+Consider using this sed command to execute the above:
+
+{{{
+$ sed -ie '/from future import standard_library/d;/standard_library.install_aliases()/d;s/from builtins import \*/from future.utils import PY2\\nif PY2:\\n    from future.builtins import filter, map, zip, ascii, chr, hex, input, next, oct, open, pow, round, super, bytes, dict, list, object, range, str, max, min  # noqa: F401/' path/to/file.py
+}}}
 
 **Fourth**, manually review the code. Futureize is nice, but it very definitely doesn't catch everything, or it makes wrong decisions.