# An archi-minimal test of source blocks labelling,
# using only the built-in tools.

#+options: tex:t title:nil author:nil date:nil toc:nil
#+title: Test of source block exports

#+begin_src emacs-lisp :exports none :results none
  (setq
   org-latex-pdf-process
   (list "latexmk -pdf -pdflatex='%latex -interaction=nonstopmode -shell-escape' -bibtex -f %f")
   org-latex-listings 'minted)
  (add-to-list 'org-latex-packages-alist '("newfloat" "minted" t))
#+end_src

# #+latex_header: \usepackage[newfloat]{minted}
# #+latex_header: \usepackage{listings}

The Python block [[lst:DoFig]] generates the figure [[fig:DoFig]]

#+name: DoFig
#+begin_src python :results file :exports none
import matplotlib, numpy
matplotlib.use('Agg')
import matplotlib.pyplot as plt
fig=plt.figure(figsize=(4,2))
x=numpy.linspace(-15,15)
plt.plot(numpy.sin(x)/x)
fig.tight_layout()
plt.savefig('Fig2.png')
return 'Fig2.png'
#+end_src

#+RESULTS: DoFig
[[file:Fig2.png]]

#+name: fig:DoFig
#+caption: Figure generated by python
#+ATTR_LATEX: :height 2.5in
[[file:Fig2.png]]

# #+name: fig:DoFig
# #+caption: Figure generated by python
# #+RESULTS: DoFig
# [[file:Fig2.png]]


#+name: lst:DoFig
#+caption: Python code generating a figure
#+begin_src python :eval no :exports code :noweb yes
<<DoFig>>
#+end_src

Problem: whereas the HTML export labels the source listing as "Listing 1" and is correctly refers to 1, the PDF export labels it "Figure 2" (and points to it) *when the default ~verbatim~ method is used.* When one bothers to use ~minted~, the result is correct.