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--- black_notes [2021/01/28 20:32] – [configure pycharm with black] raju
+++ black_notes [2022/02/18 15:24] – [do not convert single quotes to double quotes] raju
@@ Line 1: / Line 1: @@
-==== configure pycharm with black ====
+==== configure pycharm to format code with black ====
+To run black on the entire file
 <code>
 File -> Settings
 -> Tools -> External Tools -> click on + sign
--> Name = Black
+-> Name: Black
-   Description = Black in pycharm configuration
+   Description: Black in pycharm configuration
    Program: C:\ProgramData\Continuum\Anaconda\envs\[ENV_NAME]\Scripts\black.exe
    Arguments: $FilePath$
@@ Line 10: / Line 11: @@
 </code>
-Ref:-
+To run black on selected text
+<code>
+File -> Settings
+-> Tools -> External Tools -> click on + sign
+-> Name: Black Selected
+   Description: run black on selected text
+   Program: "C:\Program Files\Git\bin\bash.exe"
+   Arguments: --login H:\work\myrepos\rutils\python3\black_on_selected.sh C:\ProgramData\Continuum\Anaconda\envs\ro_udw_env\Scripts\black.exe $FilePath$ $SelectionStartLine$ $SelectionEndLine$
+   Working directory: $ProjectFileDir$
+</code>
+Restart pycharm after adding the external tools.
+To format code
+<code>
+Select code of interest
+-> Tools -> External Tools -> Black Selected
+</code>
+See also :-
+  * [[https://github.com/KamarajuKusumanchi/rutils/blob/master/python3/black_on_selected.sh | black_on_selected.sh]] (github.com/KamarajuKusumanchi) - simpler implementation; works with GNU sed. Tested it on Windows 10 + git bash + GNU sed 4.7.
   * https://godatadriven.com/blog/partial-python-code-formatting-with-black-pycharm/ - well explained; His script is a bit complex and the sed commands are mac specific.
-  * - simpler implementation; works with GNU sed. Tested it on Windows 10 + git bash + GNU sed 4.7.
+  * https://www.jetbrains.com/help/pycharm/configuring-third-party-tools.html
+==== do not convert single quotes to double quotes ====
+pass ''%%--%%skip-string-normalization'' on the command line.
+Ref:-
+  * https://black.readthedocs.io/en/stable/the_black_code_style/current_style.html#strings - this option is meant as an adoption helper, avoid using it for new projects.
 ==== useful links ====