Show make Python exceptions visible executing `ob-python' blocks
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README.org
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README.org
@ -3650,6 +3650,43 @@ define the [[https://orgmode.org/][Org mode]] =kbd= macro in listing
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(latex (format "@@latex:\\colorbox{PowderBlue}{\\texttt{%s}}@@" keys)))))
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(latex (format "@@latex:\\colorbox{PowderBlue}{\\texttt{%s}}@@" keys)))))
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#+end_src
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#+end_src
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*** Handle Python exceptions in ~ob-python~
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:PROPERTIES:
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:CUSTOM_ID: sec:handle-python-exceptions
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:END:
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Python exceptions are never visible while executing Python ~org-src-mode~
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blocks. Redirecting Python exceptions is a way to make them visible. Listing
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[[lst:redirect-python-exceptions]] redirects Python exceptions to the file
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~stderr.arm~, listing [[lst:open-python-exceptions]] opens the file ~stderr.arm~ in
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~auto-revert-mode~, and listing [[lst:demo-python-exceptions]] demonstrates the
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redirection of Python exceptions to the file ~stderr.arm~.
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#+caption[Redirect Python exceptions to a file]:
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#+caption: Redirect Python exceptions to a file:
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#+name: lst:redirect-python-exceptions
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#+begin_src python -i -n :results silent :session :tangle no
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import sys
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file = open("stderr.arm", "w")
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sys.stderr = file
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#+end_src
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#+caption[Open the redirected file in ~auto-revert-mode~]:
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#+caption: Open the redirected file in ~auto-revert-mode~.
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#+name: lst:open-python-exceptions
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#+begin_src emacs-lisp -n :results silent :tangle no
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(find-file "stderr.arm")
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(auto-revert-mode)
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#+end_src
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#+caption[Demonstrate the redirection of Python exceptions to a file]:
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#+caption: Demonstrate the redirectio of Python exceptions to a file.
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#+name: lst:demo-python-exceptions
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#+begin_src python -i -n :results silent :session :tangle no
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variable
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#+end_src
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*** [[https://orgmode.org/worg/org-tests/index.html][Testing Org]]
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*** [[https://orgmode.org/worg/org-tests/index.html][Testing Org]]
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:PROPERTIES:
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:PROPERTIES:
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:CUSTOM_ID: sec:testing-org
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:CUSTOM_ID: sec:testing-org
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