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Commit 615017a

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asmeurerasmeurer
committed
Add an output-base-name option to the Sphinx plot directive
This allows specifying the output base name of the generated image files. The name can include '{counter}', which is automatically string formatted to an incrementing counter. The default if it is not specified is left intact as the current behavior, which is to use the base name of the provided script or the RST document. This is required to use the plot directive with MyST, because the directive is broken with MyST (an issue I don't want to fix), requiring the use of eval-rst. But the way eval-rst works, the incrementing counter is not maintained across different eval-rst directives, meaning if you try to include multiple of them in the same document, the images will overwrite each other. This allows you to manually work around this with something like ```{eval-rst} .. plot:: :output-base-name: plot-1 ... ``` ```{eval-rst} .. plot:: :output-base-name: plot-2 ... ``` Aside from this, it's generally useful to be able to specify the image name used for a plot, as a more informative name can be used rather than just '<document-name>-1.png'.
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‎lib/matplotlib/sphinxext/plot_directive.py

Copy file name to clipboardExpand all lines: lib/matplotlib/sphinxext/plot_directive.py
+24-2Lines changed: 24 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -47,6 +47,15 @@
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The ``.. plot::`` directive supports the following options:
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``:output-base-name:`` : str
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The base name (without the extension) of the outputted image files. The
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default is to use the same name as the input script, or the name of
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the RST document if no script is provided. The string can include the
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format ``{counter}`` to use an incremented counter. For example,
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``'plot-{counter}'`` will create files like ``plot-1.png``, ``plot-2.png``,
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and so on. If the ``{counter}`` is not provided, two plots with the same
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output-base-name may overwrite each other.
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``:format:`` : {'python', 'doctest'}
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The format of the input. If unset, the format is auto-detected.
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@@ -88,6 +97,10 @@
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The plot directive has the following configuration options:
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plot_output_base_name
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Default value for the output-base-name option (default is to use the name
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of the input script, or the name of the RST file if no script is provided)
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plot_include_source
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Default value for the include-source option (default: False).
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@@ -265,6 +278,7 @@ class PlotDirective(Directive):
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'scale': directives.nonnegative_int,
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'align': Image.align,
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'class': directives.class_option,
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'output-base-name': directives.unchanged,
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'include-source': _option_boolean,
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'show-source-link': _option_boolean,
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'format': _option_format,
@@ -299,6 +313,7 @@ def setup(app):
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app.add_config_value('plot_pre_code', None, True)
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app.add_config_value('plot_include_source', False, True)
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app.add_config_value('plot_html_show_source_link', True, True)
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app.add_config_value('plot_output_base_name', None, True)
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app.add_config_value('plot_formats', ['png', 'hires.png', 'pdf'], True)
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app.add_config_value('plot_basedir', None, True)
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app.add_config_value('plot_html_show_formats', True, True)
@@ -734,6 +749,7 @@ def run(arguments, content, options, state_machine, state, lineno):
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options.setdefault('include-source', config.plot_include_source)
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options.setdefault('show-source-link', config.plot_html_show_source_link)
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options.setdefault('output-base-name', config.plot_output_base_name)
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if 'class' in options:
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# classes are parsed into a list of string, and output by simply
@@ -775,14 +791,20 @@ def run(arguments, content, options, state_machine, state, lineno):
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function_name = None
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code = Path(source_file_name).read_text(encoding='utf-8')
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output_base = os.path.basename(source_file_name)
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if options['output-base-name']:
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output_base = options['output-base-name']
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else:
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output_base = os.path.basename(source_file_name)
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else:
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source_file_name = rst_file
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code = textwrap.dedent("\n".join(map(str, content)))
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counter = document.attributes.get('_plot_counter', 0) + 1
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document.attributes['_plot_counter'] = counter
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base, ext = os.path.splitext(os.path.basename(source_file_name))
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output_base = '%s-%d.py' % (base, counter)
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if options['output-base-name']:
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output_base = options['output-base-name'].format(counter=counter)
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else:
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output_base = '%s-%d.py' % (base, counter)
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function_name = None
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caption = options.get('caption', '')
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