From 1ad7cb33abfac55a9be2f1d889c369fd1b43df2f Mon Sep 17 00:00:00 2001
From: bnewbold <bnewbold@robocracy.org>
Date: Mon, 25 Oct 2010 19:40:32 +0000
Subject: changes for adelie

---
 bn_django/git_wiki/latex_directive.py | 129 ----------------------------------
 1 file changed, 129 deletions(-)
 delete mode 100644 bn_django/git_wiki/latex_directive.py

(limited to 'bn_django/git_wiki/latex_directive.py')

diff --git a/bn_django/git_wiki/latex_directive.py b/bn_django/git_wiki/latex_directive.py
deleted file mode 100644
index 823cc6a..0000000
--- a/bn_django/git_wiki/latex_directive.py
+++ /dev/null
@@ -1,129 +0,0 @@
-"""
-Implement latex directive.
-
-"""
-import os
-import shutil
-import sha
-import tempfile
-import subprocess
-
-from docutils import nodes
-from docutils.parsers.rst.directives import register_directive, flag
-from docutils.parsers.rst.roles import register_canonical_role
-
-from settings import *
-
-dorawtexstuff = False
-
-def latex_math(tex,centerize=False):
-    """ Process `tex` and produce image nodes. """
-    if not dorawtexstuff:
-        image_names = latex_snippet_to_png(tex)
-        the_nodes = []
-        alt = tex
-        styleclasses = ("equation",)
-        if tex[:2] =='$$':
-            centerize=True
-        if centerize:
-            styleclasses += ("centered-equ",)
-        for pageno, name in enumerate(image_names):
-            the_nodes.append(nodes.image(uri=name, alt=alt, 
-                                classes=styleclasses,))
-            alt = ''
-        return the_nodes
-    else:
-        return [nodes.raw(tex,tex,format='latex')]
-
-def latex_directive(name, arguments, options, content, lineno,
-                    content_offset, block_text, state, state_machine):
-    """ Latex directive. """
-    tex = '\n'.join(content)
-    return latex_math(tex)
-latex_directive.content = True
-
-
-def latex_role(role, rawtext, text, lineno, inliner,
-               options={}, content=[]):
-    """ Latex role. """
-    i = rawtext.find('`')
-    tex = rawtext[i+1:-1]
-    return latex_math(tex,), []
-
-def register():
-    register_directive('latex', latex_directive)
-    register_canonical_role('latex', latex_role)
-    register_canonical_role('m', latex_role)
-
-def call_command_in_dir(app, args, targetdir):
-
-    cwd = os.getcwd()
-    try:
-        os.chdir(targetdir)
-        #print args
-        #print ' '.join(args)
-        p = subprocess.Popen(app + ' ' + ' '.join(args), shell=True)
-        sts = os.waitpid(p.pid, 0)
-
-        # FIXME -- should we raise an exception of status is non-zero?
-        
-    finally:
-        # Restore working directory
-        os.chdir(cwd)
-
-latex_template = r'''
-\documentclass[12pt]{article}
-\pagestyle{empty}
-%(prologue)s
-\begin{document}
-%(raw)s
-\end{document}
-'''
-max_pages = 10
-MAX_RUN_TIME = 5 # seconds
-latex_name_template = 'latex2png_%s'
-latex = "latex"
-dvipng = "dvipng"
-latex_args = ("--interaction=nonstopmode", "%s.tex")
-dvipng_args = ("-q", "-bgTransparent", "-Ttight", "--noghostscript", "-l%s" % max_pages, "%s.dvi")
-
-def latex_snippet_to_png(inputtex, prologue=''):
-    """ Convert a latex snippet into a png. """
-    import shutil
-    
-    tex = latex_template % { 'raw': inputtex, 'prologue': prologue }
-    namebase = latex_name_template % sha.new(tex).hexdigest()
-    dst = namebase + '%d.png'
-
-    tmpdir = tempfile.mkdtemp()
-    try:
-        data = open("%s/%s.tex" % (tmpdir, namebase), "w")
-        data.write(tex)
-        data.close()
-        args = list(latex_args)
-        args[-1] = args[-1] % namebase
-        res = call_command_in_dir(latex, args, tmpdir)
-        if not res is None:
-            # FIXME need to return some sort of error
-            return []
-        args = list(dvipng_args)
-        args[-1] = args[-1] % namebase
-        res = call_command_in_dir(dvipng, args, tmpdir)
-        if not res is None:
-            # FIXME need to return some sort of error
-            return []
-
-        page = 1
-        pagenames = []
-        while os.access("%s/%s%d.png" % (tmpdir, namebase, page), os.R_OK):
-            pagename = dst % page
-            shutil.copyfile("%s/%s%d.png" % (tmpdir, namebase, page), 
-                EQU_FOLDER + pagename)
-            page += 1
-            pagenames.append(EQU_PREFIX + pagename)
-    finally:
-        # FIXME do some tidy up here
-        pass
-    shutil.rmtree(tmpdir)
-    return pagenames
-            
-- 
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