Docs: unconditionally show plain Python example

src/doc/en/installation/source-distro.rst

@@ -993,10 +993,6 @@ Environment variables controlling the documentation build
   - add ``--no-plot`` to this variable to avoid building the graphics coming from
     the ``.. PLOT`` directive within the documentation,
 
-  - add ``--no-preparsed-examples`` to only show the original Sage code of
-    "EXAMPLES" blocks, suppressing the tab with the preparsed, plain Python
-    version, or
-
   - add ``--include-tests-blocks`` to include all "TESTS" blocks in the reference
     manual.
 

src/sage_docbuild/__main__.py

@@ -34,8 +34,6 @@
   -j, --mathjax, --jsmath
                         ignored for backwards compatibility
   --no-plot             do not include graphics auto-generated using the '.. plot' markup
-  --no-preparsed-examples
-                        do not show preparsed versions of EXAMPLES blocks
   --include-tests-blocks
                         include TESTS blocks in the reference manual
   --no-pdf-links        do not include PDF links in DOCUMENT 'website';
@@ -297,9 +295,6 @@ def setup_parser():
     standard.add_argument("--no-plot", dest="no_plot",
                           action="store_true",
                           help="do not include graphics auto-generated using the '.. plot' markup")
-    standard.add_argument("--no-preparsed-examples", dest="no_preparsed_examples",
-                          action="store_true",
-                          help="do not show preparsed versions of EXAMPLES blocks")
     standard.add_argument("--include-tests-blocks", dest="skip_tests", default=True,
                           action="store_false",
                           help="include TESTS blocks in the reference manual")
@@ -513,8 +508,6 @@ def excepthook(*exc_info):
         build_options.ALLSPHINXOPTS += "-n "
     if args.no_plot:
         os.environ['SAGE_SKIP_PLOT_DIRECTIVE'] = 'yes'
-    if args.no_preparsed_examples:
-        os.environ['SAGE_PREPARSED_DOC'] = 'no'
     if args.live_doc:
         os.environ['SAGE_LIVE_DOC'] = 'yes'
     if args.skip_tests:

src/sage_docbuild/conf.py

@@ -39,7 +39,6 @@
 # ---------------------
 
 SAGE_LIVE_DOC = os.environ.get('SAGE_LIVE_DOC', 'no')
-SAGE_PREPARSED_DOC = os.environ.get('SAGE_PREPARSED_DOC', 'yes')
 
 # Add any Sphinx extension module names here, as strings. They can be extensions
 # coming with Sphinx (named 'sphinx.ext.*') or your custom ones.
@@ -993,40 +992,40 @@ def apply(self):
                     if isinstance(prev_node, nodes.paragraph):
                         prev_node['classes'].append('with-sage-tab')
 
-                    if SAGE_PREPARSED_DOC == 'yes':
-                        # Tab for preparsed version
-                        from sage.repl.preparse import preparse
-                        container = TabContainer("", type="tab", new_set=False)
-                        textnodes = [Text('Python')]
-                        label = Label("", "", *textnodes)
-                        container += label
-                        content = Container("", is_div=True, classes=["tab-content"])
-                        example_lines = []
-                        preparsed_lines = ['>>> from sage.all import *']
-                        for line in node.rawsource.splitlines() + ['']:  # one extra to process last example
-                            newline = line.lstrip()
-                            if newline.startswith('....: '):
+                    # Tab for preparsed version
+                    from sage.repl.preparse import preparse
+                    container = TabContainer("", type="tab", new_set=False)
+                    textnodes = [Text('Python')]
+                    label = Label("", "", *textnodes)
+                    container += label
+                    content = Container("", is_div=True, classes=["tab-content"])
+                    example_lines = []
+                    preparsed_lines = ['>>> from sage.all import *']
+                    for line in node.rawsource.splitlines() + ['']:  # one extra to process last example
+                        newline = line.lstrip()
+                        if newline.startswith('....: '):
+                            example_lines.append(newline[6:])
+                        else:
+                            if example_lines:
+                                preparsed_example = preparse('\n'.join(example_lines))
+                                prompt = '>>> '
+                                for preparsed_line in preparsed_example.splitlines():
+                                    preparsed_lines.append(prompt + preparsed_line)
+                                    prompt = '... '
+                                example_lines = []
+                            if newline.startswith('sage: '):
                                 example_lines.append(newline[6:])
                             else:
-                                if example_lines:
-                                    preparsed_example = preparse('\n'.join(example_lines))
-                                    prompt = '>>> '
-                                    for preparsed_line in preparsed_example.splitlines():
-                                        preparsed_lines.append(prompt + preparsed_line)
-                                        prompt = '... '
-                                    example_lines = []
-                                if newline.startswith('sage: '):
-                                    example_lines.append(newline[6:])
-                                else:
-                                    preparsed_lines.append(line)
-                        preparsed = '\n'.join(preparsed_lines)
-                        preparsed_node = LiteralBlock(preparsed, preparsed, language='ipycon')
-                        content += preparsed_node
-                        container += content
-                        parent.insert(index, container)
-                        index += 1
-                        if isinstance(prev_node, nodes.paragraph):
-                            prev_node['classes'].append('with-python-tab')
+                                preparsed_lines.append(line)
+                    preparsed = '\n'.join(preparsed_lines)
+                    preparsed_node = LiteralBlock(preparsed, preparsed, language='ipycon')
+                    content += preparsed_node
+                    container += content
+                    parent.insert(index, container)
+                    index += 1
+                    if isinstance(prev_node, nodes.paragraph):
+                        prev_node['classes'].append('with-python-tab')
+
                     if SAGE_LIVE_DOC == 'yes':
                         # Tab for Jupyter-sphinx cell
                         from jupyter_sphinx.ast import CellInputNode, JupyterCellNode
@@ -1084,9 +1083,8 @@ def setup(app):
         app.connect('autodoc-process-docstring', skip_TESTS_block)
     app.connect('autodoc-skip-member', skip_member)
     app.add_transform(SagemathTransform)
-    if SAGE_LIVE_DOC == 'yes' or SAGE_PREPARSED_DOC == 'yes':
-        app.add_transform(SagecodeTransform)
-    else:
+    app.add_transform(SagecodeTransform)
+    if SAGE_LIVE_DOC != 'yes':
         app.add_directive("jupyter-execute", Ignore)
         app.add_directive("jupyter-kernel", Ignore)
         app.add_directive("jupyter-input", Ignore)