[Docutils-checkins] r5732 - in trunk/sandbox/rst2beamer: latexbeamer/ latexbeamer/__init__.py tools/ tools/rst2beamer.py

[<sm...@us...>]

Author: smerten
Date: 2008-11-26 22:09:43 +0100 (Wed, 26 Nov 2008)
New Revision: 5732

Added:
   trunk/sandbox/rst2beamer/latexbeamer/
   trunk/sandbox/rst2beamer/latexbeamer/__init__.py
   trunk/sandbox/rst2beamer/tools/
   trunk/sandbox/rst2beamer/tools/rst2beamer.py
Log:
First steps towards a LaTeX beamer writer.


Added: trunk/sandbox/rst2beamer/latexbeamer/__init__.py
===================================================================
--- trunk/sandbox/rst2beamer/latexbeamer/__init__.py	2008-11-26 20:53:12 UTC (rev 5731)
+++ trunk/sandbox/rst2beamer/latexbeamer/__init__.py	2008-11-26 21:09:43 UTC (rev 5732)
@@ -0,0 +1,154 @@
+"""
+LaTeX Beamer document tree Writer.
+"""
+
+__docformat__ = 'reStructuredText'
+
+from docutils import nodes
+from docutils.writers import latex2e
+
+class Writer(latex2e.Writer):
+
+    supported = ('latexbeamer')
+    """Formats this writer supports."""
+
+    def __init__(self):
+        latex2e.Writer.__init__(self)
+        self.translator_class = BeamerTranslator
+
+class DocumentClass(latex2e.DocumentClass):
+    """Details of a LaTeX document class."""
+
+    def __init__(self):
+        pass
+
+    def section(self, level):
+        """ Return the section name at the given level for the specific
+            document class.
+
+            Level is 1,2,3..., as level 0 is the title."""
+
+        # TODO Level where sections become frames must be an option
+        sections = [ 'section', "begin{frame}\n\\frametitle", ]
+        if level <= len(sections):
+            return sections[level-1]
+        else:
+            return sections[-1]
+
+    def section_end(self, level):
+        """ Return the section name at the given level for the specific
+            document class.
+
+            Level is 1,2,3..., as level 0 is the title."""
+
+        # TODO Level where sections become frames are must be an option
+        sections = [ '', "\n\\end{frame}\n", ]
+        if level <= len(sections):
+            return sections[level-1]
+        else:
+            return sections[-1]
+
+class BeamerTranslator(latex2e.LaTeXTranslator):
+
+    def __init__(self, document):
+        # TODO Should be done via explicit settings
+        document.settings.documentclass = 'beamer'
+        # TODO Should be done via explicit settings - should be none but the
+        # language
+        document.settings.documentoptions = '10pt'
+        # TODO Should be done via explicit settings
+        document.settings.use_latex_docinfo = 1
+        latex2e.LaTeXTranslator.__init__(self, document)
+        # TODO Should be done via explicit head_prefix
+        self.head_prefix = [ line
+                for line in self.head_prefix
+                if 'typearea' not in line and 'hyperref' not in line ]
+        # TODO Theme must be an option
+        # Montpellier, Warsaw, JuanLesPins, Darmstadt, Antibes
+        self.head_prefix.extend(('\n',
+                                 '\\mode<presentation>\n',
+                                 '{\n',
+                                 '  \\usetheme{JuanLesPins}\n',
+                                 '  \\setbeamercovered{transparent}\n',
+                                 '}\n',
+                                 '\n',
+                                 ))
+        # TODO Must be an option including the level where this happens
+        self.head_prefix.extend(('\n',
+                                 '\\AtBeginSection[]\n',
+                                 '{\n',
+                                 '  \\begin{frame}<beamer>\n',
+                                 '    \\frametitle{Outline}\n',
+                                 '    \\tableofcontents[currentsection,currentsubsection]\n',
+                                 '  \\end{frame}\n',
+                                 '}\n',
+                                 ))
+        self.d_class = DocumentClass()
+        self.subtitle = ''
+
+    def visit_docinfo(self, node):
+        self.docinfo = []
+
+    def depart_docinfo(self, node):
+        self.docinfo = None
+        # Do not output this because relevant data has been gathered
+
+    def visit_topic(self, node):
+        self.topic_classes = node['classes']
+        if 'contents' in node['classes']:
+            # TODO Name of outline slide must be an option and could be the
+            # name given for the contents
+            self.body.append( '\n\\begin{frame}\n  \\frametitle{Outline}\n  \\tableofcontents\n\\end{frame}')
+            self.topic_classes = []
+            raise nodes.SkipNode
+
+    def depart_topic(self, node):
+        self.topic_classes = []
+        self.body.append('\n')
+
+    def visit_title(self, node):
+        """Section and other titles."""
+
+        if (isinstance(node.parent, nodes.topic)
+            or isinstance(node.parent, nodes.sidebar)
+            or isinstance(node.parent, nodes.admonition)
+            or isinstance(node.parent, nodes.table)
+            or self.section_level == 0):
+            latex2e.LaTeXTranslator.visit_title(self, node)
+        else:
+            self.body.append('\n\n')
+            self.body.append('%' + '_' * 75)
+            self.body.append('\n\n')
+            self.bookmark(node)
+
+            section_name = self.d_class.section(self.section_level)
+            self.body.append('\\%s{' % (section_name, ))
+            self.context.append('}\n')
+
+    def visit_subtitle(self, node):
+        if isinstance(node.parent, nodes.document):
+            self.subtitle = self.encode(node.astext())
+            raise nodes.SkipNode
+        else:
+            latex2e.LaTeXTranslator.visit_subtitle(self, node)
+
+    def depart_section(self, node):
+        self.body.append(self.d_class.section_end(self.section_level))
+        latex2e.LaTeXTranslator.depart_section(self, node)
+
+    def astext(self):
+        if self.pdfinfo is not None:
+            if self.pdfauthor:
+                self.pdfinfo.append('pdfauthor={%s}' % self.pdfauthor)
+        if self.pdfinfo:
+            pdfinfo = '\\hypersetup{\n' + ',\n'.join(self.pdfinfo) + '\n}\n'
+        else:
+            pdfinfo = ''
+        head = '\\title{%s}\n\\subtitle{%s}\n\\author{%s}\n\\date{%s}\n' % \
+               (self.title, self.subtitle,
+                ' \\and\n'.join(['~\\\\\n'.join(author_lines)
+                                 for author_lines in self.author_stack]),
+                self.date)
+        return ''.join(self.head_prefix + [head] + self.head + [pdfinfo]
+                        + self.body_prefix  + self.body + self.body_suffix)
+


Property changes on: trunk/sandbox/rst2beamer/latexbeamer/__init__.py
___________________________________________________________________
Name: svn:keywords
   + Author Date Id Revision
Name: svn:eol-style
   + native

Added: trunk/sandbox/rst2beamer/tools/rst2beamer.py
===================================================================
--- trunk/sandbox/rst2beamer/tools/rst2beamer.py	2008-11-26 20:53:12 UTC (rev 5731)
+++ trunk/sandbox/rst2beamer/tools/rst2beamer.py	2008-11-26 21:09:43 UTC (rev 5732)
@@ -0,0 +1,25 @@
+#!/usr/bin/python
+
+# Author: David Goodger
+# Contact: go...@us...
+# Revision: $Revision$
+# Date: $Date$
+# Copyright: This module has been placed in the public domain.
+
+"""
+A minimal front end to the Docutils Publisher, producing LaTeX Beamer.
+"""
+
+try:
+    import locale
+    locale.setlocale(locale.LC_ALL, '')
+except:
+    pass
+
+from docutils.core import publish_cmdline, default_description
+
+
+description = ('Generates LaTeX Beamer documents from standalone reStructuredText '
+               'sources.  ' + default_description)
+
+publish_cmdline(writer_name='latexbeamer', description=description)


Property changes on: trunk/sandbox/rst2beamer/tools/rst2beamer.py
___________________________________________________________________
Name: svn:executable
   + *
Name: svn:keywords
   + Author Date Id Revision
Name: svn:eol-style
   + native