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Replace pprint with black to "pp" Python session source blocks

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Gerard Vermeulen 2022-05-26 16:16:58 +02:00
parent 95f18b0a24
commit 4439109c17
1 changed files with 51 additions and 6 deletions
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@ -1635,11 +1635,13 @@ buffers with help of an external [[https://nodejs.org][node.js]] program.
The code in listing [[lst:customize-org-babel]], [[lst:customize-org]], The code in listing [[lst:customize-org-babel]], [[lst:customize-org]],
[[lst:customize-org-link]], [[lst:customize-org-export]], and [[lst:customize-org-link]], [[lst:customize-org-export]], and
[[lst:customize-org-latex-export]] does basic customization of [[https://orgmode.org/][Org-mode]] variables. [[lst:customize-org-latex-export]] does basic customization of [[https://orgmode.org/][Org-mode]] variables.
Listing [[lst:customize-org-link]] configures =org-link= to use relative file path Listing [[lst:customize-ob-python]] allows to pretty-print Python session source
links. Listing [[lst:customize-org-latex-classes]] defines [[info:org#LaTeX specific export settings][org-latex-classes (info)]] block values with [[https://github.com/psf/black#readme][black]] instead of [[https://docs.python.org/3/library/pprint.html][pprint]]. Listing [[lst:customize-org-link]]
for backward compatibility. See table [[tab:org-latex-class-tag-placeholder]] and configures =org-link= to use relative file path links. Listing
type {{{kbd(C-h v org-latex-classes)}}} for an explanation of the code in [[lst:customize-org-latex-classes]] defines [[info:org#LaTeX specific export settings][org-latex-classes (info)]] for backward
listing [[lst:customize-org-latex-classes]]. compatibility. See table [[tab:org-latex-class-tag-placeholder]] and type {{{kbd(C-h
v org-latex-classes)}}} for an explanation of the code in listing
[[lst:customize-org-latex-classes]].
#+attr_latex: :booktabs yes :float table #+attr_latex: :booktabs yes :float table
#+caption[The relation tag-placeholder in listing [[lst:customize-org-latex-classes]]]: #+caption[The relation tag-placeholder in listing [[lst:customize-org-latex-classes]]]:
@ -1678,10 +1680,53 @@ listing [[lst:customize-org-latex-classes]].
(with-eval-after-load 'sly (with-eval-after-load 'sly
(custom-set-variables (custom-set-variables
'(org-babel-lisp-eval-fn #'sly-eval)))) '(org-babel-lisp-eval-fn #'sly-eval))))
#+end_src
#+caption[Customize =ob-python=]:
#+caption: Customize =ob-python=.
#+name: lst:customize-ob-python
#+begin_src emacs-lisp
(with-eval-after-load 'ob-python (with-eval-after-load 'ob-python
(custom-set-variables (custom-set-variables
'(org-babel-python-command "python -E"))) '(org-babel-python-command "python -E"))
(defun org-babel-python-format-session-value-override
(src-file result-file result-params)
"Return Python code to evaluate SRC-FILE and write result to RESULT-FILE.
Use `black' instead of `pprint' when \"pp\" is a member of RESULT-PARAMS."
(format "\
import ast
with open('%s') as __org_babel_python_tmpfile:
__org_babel_python_ast = ast.parse(__org_babel_python_tmpfile.read())
__org_babel_python_final = __org_babel_python_ast.body[-1]
if isinstance(__org_babel_python_final, ast.Expr):
__org_babel_python_ast.body = __org_babel_python_ast.body[:-1]
exec(compile(__org_babel_python_ast, '<string>', 'exec'))
__org_babel_python_final = eval(
compile(ast.Expression(__org_babel_python_final.value), '<string>', 'eval')
)
with open('%s', 'w') as __org_babel_python_tmpfile:
if %s:
import black
__org_babel_python_tmpfile.write(
black.format_str(repr(__org_babel_python_final), mode=black.Mode())
)
else:
__org_babel_python_tmpfile.write(str(__org_babel_python_final))
else:
exec(compile(__org_babel_python_ast, '<string>', 'exec'))
__org_babel_python_final = None"
(org-babel-process-file-name src-file 'noquote)
(org-babel-process-file-name result-file 'noquote)
(if (member "pp" result-params) "True" "False")))
(defun toggle-org-babel-python-format-session-value-override ()
"Toggle `org-babel-python-format-session-value' advice."
(interactive)
(toggle-advice 'org-babel-python-format-session-value
:override #'org-babel-python-format-session-value-override))
(toggle-org-babel-python-format-session-value-override))
#+end_src #+end_src
#+caption[Customize =Org=]: #+caption[Customize =Org=]: