From 7355c69f7dd80974919756e406d1681fbd418e96 2011-01-03 00:00:59
From: MinRK <benjaminrk@gmail.com>
Date: 2011-01-03 00:00:59
Subject: [PATCH] added gh-pages command for GitHub hosted sphinx docs
---

diff --git a/.gitignore b/.gitignore
index 1f1c943..9f22902 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,6 +3,7 @@ build
 docs/dist
 docs/build/*
 docs/source/api/generated
+docs/gh-pages
 *.py[co]
 build
 *.egg-info
diff --git a/docs/Makefile b/docs/Makefile
index dee26be..7e1bbf1 100644
--- a/docs/Makefile
+++ b/docs/Makefile
@@ -102,3 +102,6 @@ gitwash-update:
 
 nightly: dist
 	rsync -avH --delete dist/ ipython:www/doc/nightly
+
+gh-pages: html
+	sh update_ghpages.sh
diff --git a/docs/source/conf.py b/docs/source/conf.py
index b955056..c41f56e 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -20,7 +20,7 @@ import sys, os
 # If your extensions are in another directory, add it here. If the directory
 # is relative to the documentation root, use os.path.abspath to make it
 # absolute, like shown here.
-sys.path.append(os.path.abspath('../sphinxext'))
+sys.path.insert(0, os.path.abspath('../sphinxext'))
 
 # Import support for ipython console session syntax highlighting (lives
 # in the sphinxext directory defined above)
@@ -44,6 +44,7 @@ extensions = [
     'inheritance_diagram',
     'ipython_console_highlighting', 
     'numpydoc',  # to preprocess docstrings
+    'sphinxtogithub',
 ]
 
 # Add any paths that contain templates here, relative to this directory.
diff --git a/docs/sphinxext/sphinxtogithub.py b/docs/sphinxext/sphinxtogithub.py
new file mode 100644
index 0000000..9b72b87
--- /dev/null
+++ b/docs/sphinxext/sphinxtogithub.py
@@ -0,0 +1,381 @@
+#! /usr/bin/env python
+"""
+sphinxtogithub extension Copyright Michael Jones
+
+BSD License
+
+Original at: https://github.com/michaeljones/sphinx-to-github
+"""
+from optparse import OptionParser
+import os
+import sys
+import shutil
+
+
+class DirHelper(object):
+
+    def __init__(self, is_dir, list_dir, walk, rmtree):
+
+        self.is_dir = is_dir
+        self.list_dir = list_dir
+        self.walk = walk
+        self.rmtree = rmtree
+
+class FileSystemHelper(object):
+
+    def __init__(self, open_, path_join, move, exists):
+
+        self.open_ = open_
+        self.path_join = path_join
+        self.move = move
+        self.exists = exists
+
+class Replacer(object):
+    "Encapsulates a simple text replace"
+
+    def __init__(self, from_, to):
+
+        self.from_ = from_
+        self.to = to
+
+    def process(self, text):
+
+        return text.replace( self.from_, self.to )
+
+class FileHandler(object):
+    "Applies a series of replacements the contents of a file inplace"
+
+    def __init__(self, name, replacers, opener):
+
+        self.name = name
+        self.replacers = replacers
+        self.opener = opener
+
+    def process(self):
+
+        text = self.opener(self.name).read()
+
+        for replacer in self.replacers:
+            text = replacer.process( text )
+
+        self.opener(self.name, "w").write(text)
+
+class Remover(object):
+
+    def __init__(self, exists, remove):
+        self.exists = exists
+        self.remove = remove
+
+    def __call__(self, name):
+
+        if self.exists(name):
+            self.remove(name)
+
+class ForceRename(object):
+
+    def __init__(self, renamer, remove):
+
+        self.renamer = renamer
+        self.remove = remove
+
+    def __call__(self, from_, to):
+
+        self.remove(to)
+        self.renamer(from_, to)
+
+class VerboseRename(object):
+
+    def __init__(self, renamer, stream):
+
+        self.renamer = renamer
+        self.stream = stream
+
+    def __call__(self, from_, to):
+
+        self.stream.write(
+                "Renaming directory '%s' -> '%s'\n"
+                    % (os.path.basename(from_), os.path.basename(to))
+                )
+
+        self.renamer(from_, to)
+
+
+class DirectoryHandler(object):
+    "Encapsulates renaming a directory by removing its first character"
+
+    def __init__(self, name, root, renamer):
+
+        self.name = name
+        self.new_name = name[1:]
+        self.root = root + os.sep
+        self.renamer = renamer
+
+    def path(self):
+
+        return os.path.join(self.root, self.name)
+
+    def relative_path(self, directory, filename):
+
+        path = directory.replace(self.root, "", 1)
+        return os.path.join(path, filename)
+
+    def new_relative_path(self, directory, filename):
+
+        path = self.relative_path(directory, filename)
+        return path.replace(self.name, self.new_name, 1)
+
+    def process(self):
+
+        from_ = os.path.join(self.root, self.name)
+        to = os.path.join(self.root, self.new_name)
+        self.renamer(from_, to)
+
+
+class HandlerFactory(object):
+
+    def create_file_handler(self, name, replacers, opener):
+
+        return FileHandler(name, replacers, opener)
+
+    def create_dir_handler(self, name, root, renamer):
+
+        return DirectoryHandler(name, root, renamer)
+
+
+class OperationsFactory(object):
+
+    def create_force_rename(self, renamer, remover):
+
+        return ForceRename(renamer, remover)
+
+    def create_verbose_rename(self, renamer, stream):
+
+        return VerboseRename(renamer, stream)
+
+    def create_replacer(self, from_, to):
+
+        return Replacer(from_, to)
+
+    def create_remover(self, exists, remove):
+
+        return Remover(exists, remove)
+
+
+class Layout(object):
+    """
+    Applies a set of operations which result in the layout
+    of a directory changing
+    """
+
+    def __init__(self, directory_handlers, file_handlers):
+
+        self.directory_handlers = directory_handlers
+        self.file_handlers = file_handlers
+
+    def process(self):
+
+        for handler in self.file_handlers:
+            handler.process()
+
+        for handler in self.directory_handlers:
+            handler.process()
+
+
+class NullLayout(object):
+    """
+    Layout class that does nothing when asked to process
+    """
+    def process(self):
+        pass
+
+class LayoutFactory(object):
+    "Creates a layout object"
+
+    def __init__(self, operations_factory, handler_factory, file_helper, dir_helper, verbose, stream, force):
+
+        self.operations_factory = operations_factory
+        self.handler_factory = handler_factory
+
+        self.file_helper = file_helper
+        self.dir_helper = dir_helper
+
+        self.verbose = verbose
+        self.output_stream = stream
+        self.force = force
+
+    def create_layout(self, path):
+
+        contents = self.dir_helper.list_dir(path)
+
+        renamer = self.file_helper.move
+
+        if self.force:
+            remove = self.operations_factory.create_remover(self.file_helper.exists, self.dir_helper.rmtree)
+            renamer = self.operations_factory.create_force_rename(renamer, remove)
+
+        if self.verbose:
+            renamer = self.operations_factory.create_verbose_rename(renamer, self.output_stream)
+
+        # Build list of directories to process
+        directories = [d for d in contents if self.is_underscore_dir(path, d)]
+        underscore_directories = [
+                self.handler_factory.create_dir_handler(d, path, renamer)
+                    for d in directories
+                ]
+
+        if not underscore_directories:
+            if self.verbose:
+                self.output_stream.write(
+                        "No top level directories starting with an underscore "
+                        "were found in '%s'\n" % path
+                        )
+            return NullLayout()
+
+        # Build list of files that are in those directories
+        replacers = []
+        for handler in underscore_directories:
+            for directory, dirs, files in self.dir_helper.walk(handler.path()):
+                for f in files:
+                    replacers.append(
+                            self.operations_factory.create_replacer(
+                                handler.relative_path(directory, f),
+                                handler.new_relative_path(directory, f)
+                                )
+                            )
+
+        # Build list of handlers to process all files
+        filelist = []
+        for root, dirs, files in self.dir_helper.walk(path):
+            for f in files:
+                if f.endswith(".html"):
+                    filelist.append(
+                            self.handler_factory.create_file_handler(
+                                self.file_helper.path_join(root, f),
+                                replacers,
+                                self.file_helper.open_)
+                            )
+                if f.endswith(".js"):
+                    filelist.append(
+                            self.handler_factory.create_file_handler(
+                                self.file_helper.path_join(root, f),
+                                [self.operations_factory.create_replacer("'_sources/'", "'sources/'")],
+                                self.file_helper.open_
+                                )
+                            )
+
+        return Layout(underscore_directories, filelist)
+
+    def is_underscore_dir(self, path, directory):
+
+        return (self.dir_helper.is_dir(self.file_helper.path_join(path, directory))
+            and directory.startswith("_"))
+
+
+
+def sphinx_extension(app, exception):
+    "Wrapped up as a Sphinx Extension"
+
+    if not app.builder.name in ("html", "dirhtml"):
+        return
+
+    if not app.config.sphinx_to_github:
+        if app.config.sphinx_to_github_verbose:
+            print "Sphinx-to-github: Disabled, doing nothing."
+        return
+
+    if exception:
+        if app.config.sphinx_to_github_verbose:
+            print "Sphinx-to-github: Exception raised in main build, doing nothing."
+        return
+
+    dir_helper = DirHelper(
+            os.path.isdir,
+            os.listdir,
+            os.walk,
+            shutil.rmtree
+            )
+
+    file_helper = FileSystemHelper(
+            open,
+            os.path.join,
+            shutil.move,
+            os.path.exists
+            )
+
+    operations_factory = OperationsFactory()
+    handler_factory = HandlerFactory()
+
+    layout_factory = LayoutFactory(
+            operations_factory,
+            handler_factory,
+            file_helper,
+            dir_helper,
+            app.config.sphinx_to_github_verbose,
+            sys.stdout,
+            force=True
+            )
+
+    layout = layout_factory.create_layout(app.outdir)
+    layout.process()
+
+
+def setup(app):
+    "Setup function for Sphinx Extension"
+
+    app.add_config_value("sphinx_to_github", True, '')
+    app.add_config_value("sphinx_to_github_verbose", True, '')
+
+    app.connect("build-finished", sphinx_extension)
+
+
+def main(args):
+
+    usage = "usage: %prog [options] <html directory>"
+    parser = OptionParser(usage=usage)
+    parser.add_option("-v","--verbose", action="store_true",
+            dest="verbose", default=False, help="Provides verbose output")
+    opts, args = parser.parse_args(args)
+
+    try:
+        path = args[0]
+    except IndexError:
+        sys.stderr.write(
+                "Error - Expecting path to html directory:"
+                "sphinx-to-github <path>\n"
+                )
+        return
+
+    dir_helper = DirHelper(
+            os.path.isdir,
+            os.listdir,
+            os.walk,
+            shutil.rmtree
+            )
+
+    file_helper = FileSystemHelper(
+            open,
+            os.path.join,
+            shutil.move,
+            os.path.exists
+            )
+
+    operations_factory = OperationsFactory()
+    handler_factory = HandlerFactory()
+
+    layout_factory = LayoutFactory(
+            operations_factory,
+            handler_factory,
+            file_helper,
+            dir_helper,
+            opts.verbose,
+            sys.stdout,
+            force=False
+            )
+
+    layout = layout_factory.create_layout(path)
+    layout.process()
+
+
+
+if __name__ == "__main__":
+    main(sys.argv[1:])
diff --git a/docs/update_ghpages.sh b/docs/update_ghpages.sh
new file mode 100755
index 0000000..57dd59c
--- /dev/null
+++ b/docs/update_ghpages.sh
@@ -0,0 +1,31 @@
+#!/usr/bin/env sh
+# pick repo for gh-pages branch
+repo=origin
+
+if [ ! -d gh-pages ]; then
+    echo "setting up gh-pages subdir"
+    mkdir gh-pages || exit -1
+    cp -r ../.git gh-pages/ || exit -1
+    cd gh-pages || exit -1
+    init=0
+    git checkout $repo/gh-pages || init=1
+    if [ "$init" != "0" ]; then
+        echo "initializing gh-pages repo"
+        git symbolic-ref HEAD refs/heads/gh-pages || exit -1
+        rm .git/index || exit -1
+        git clean -fdx || exit -1
+        touch index.html
+        git add .
+        git commit -a -m 'init gh-pages' || exit -1
+        git push origin HEAD:gh-pages
+    fi
+    cd ..
+fi
+echo "updating local gh-pages with html build"
+rsync -va build/html/ gh-pages/ --delete --exclude .git || exit -1
+cd gh-pages
+git add .
+git commit -a || exit -1
+echo "pushing to remote gh-pages"
+# pwd
+git push $repo HEAD:gh-pages