?? __init__.py
# Author: Chris Liechti# Contact: cliechti@gmx.net# Author: David Goodger# Contact: goodger@python.org# Revision: $Revision: 4223 $# Date: $Date: 2005-12-18 00:52:30 +0100 (Sun, 18 Dec 2005) $# Copyright: This module has been placed in the public domain."""S5/HTML Slideshow Writer."""__docformat__ = 'reStructuredText'import sysimport osimport reimport docutilsfrom docutils import frontend, nodes, utilsfrom docutils.writers import html4css1from docutils.parsers.rst import directivesthemes_dir_path = utils.relative_path( os.path.join(os.getcwd(), 'dummy'), os.path.join(os.path.dirname(__file__), 'themes'))def find_theme(name): # Where else to look for a theme? # Check working dir? Destination dir? Config dir? Plugins dir? path = os.path.join(themes_dir_path, name) if not os.path.isdir(path): raise docutils.ApplicationError( 'Theme directory not found: %r (path: %r)' % (name, path)) return pathclass Writer(html4css1.Writer): settings_spec = html4css1.Writer.settings_spec + ( 'S5 Slideshow Specific Options', 'For the S5/HTML writer, the --no-toc-backlinks option ' '(defined in General Docutils Options above) is the default, ' 'and should not be changed.', (('Specify an installed S5 theme by name. Overrides --theme-url. ' 'The default theme name is "default". The theme files will be ' 'copied into a "ui/<theme>" directory, in the same directory as the ' 'destination file (output HTML). Note that existing theme files ' 'will not be overwritten (unless --overwrite-theme-files is used).', ['--theme'], {'default': 'default', 'metavar': '<name>', 'overrides': 'theme_url'}), ('Specify an S5 theme URL. The destination file (output HTML) will ' 'link to this theme; nothing will be copied. Overrides --theme.', ['--theme-url'], {'metavar': '<URL>', 'overrides': 'theme'}), ('Allow existing theme files in the ``ui/<theme>`` directory to be ' 'overwritten. The default is not to overwrite theme files.', ['--overwrite-theme-files'], {'action': 'store_true'}), ('Keep existing theme files in the ``ui/<theme>`` directory; do not ' 'overwrite any. This is the default.', ['--keep-theme-files'], {'dest': 'overwrite_theme_files', 'action': 'store_false'}), ('Enable the current slide indicator ("1 / 15"). ' 'The default is to disable it.', ['--current-slide'], {'action': 'store_true'}), ('Disable the current slide indicator. This is the default.', ['--no-current-slide'], {'dest': 'current_slide', 'action': 'store_false'}),)) settings_default_overrides = {'toc_backlinks': 0} config_section = 's5_html writer' config_section_dependencies = ('writers', 'html4css1 writer') def __init__(self): html4css1.Writer.__init__(self) self.translator_class = S5HTMLTranslatorclass S5HTMLTranslator(html4css1.HTMLTranslator): doctype = ( '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"' ' "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">\n') s5_stylesheet_template = """\<!-- configuration parameters --><meta name="defaultView" content="slideshow" /><meta name="controlVis" content="hidden" /><!-- style sheet links --><script src="%(path)s/slides.js" type="text/javascript"></script><link rel="stylesheet" href="%(path)s/slides.css" type="text/css" media="projection" id="slideProj" /><link rel="stylesheet" href="%(path)s/outline.css" type="text/css" media="screen" id="outlineStyle" /><link rel="stylesheet" href="%(path)s/print.css" type="text/css" media="print" id="slidePrint" /><link rel="stylesheet" href="%(path)s/opera.css" type="text/css" media="projection" id="operaFix" />\n""" # The script element must go in front of the link elements to # avoid a flash of unstyled content (FOUC), reproducible with # Firefox. disable_current_slide = """<style type="text/css">#currentSlide {display: none;}</style>\n""" layout_template = """\<div class="layout"><div id="controls"></div><div id="currentSlide"></div><div id="header">%(header)s</div><div id="footer">%(title)s%(footer)s</div></div>\n"""# <div class="topleft"></div># <div class="topright"></div># <div class="bottomleft"></div># <div class="bottomright"></div> default_theme = 'default' """Name of the default theme.""" base_theme_file = '__base__' """Name of the file containing the name of the base theme.""" direct_theme_files = ( 'slides.css', 'outline.css', 'print.css', 'opera.css', 'slides.js') """Names of theme files directly linked to in the output HTML""" indirect_theme_files = ( 's5-core.css', 'framing.css', 'pretty.css', 'blank.gif', 'iepngfix.htc') """Names of files used indirectly; imported or used by files in `direct_theme_files`.""" required_theme_files = indirect_theme_files + direct_theme_files """Names of mandatory theme files.""" def __init__(self, *args): html4css1.HTMLTranslator.__init__(self, *args) #insert S5-specific stylesheet and script stuff: self.theme_file_path = None self.setup_theme() self.stylesheet.append(self.s5_stylesheet_template % {'path': self.theme_file_path}) if not self.document.settings.current_slide: self.stylesheet.append(self.disable_current_slide) self.add_meta('<meta name="version" content="S5 1.1" />\n') self.s5_footer = [] self.s5_header = [] self.section_count = 0 self.theme_files_copied = None def setup_theme(self): if self.document.settings.theme: self.copy_theme() elif self.document.settings.theme_url: self.theme_file_path = self.document.settings.theme_url else: raise docutils.ApplicationError( 'No theme specified for S5/HTML writer.') def copy_theme(self): """ Locate & copy theme files. A theme may be explicitly based on another theme via a '__base__' file. The default base theme is 'default'. Files are accumulated from the specified theme, any base themes, and 'default'. """ settings = self.document.settings path = find_theme(settings.theme) theme_paths = [path] self.theme_files_copied = {} required_files_copied = {} # This is a link (URL) in HTML, so we use "/", not os.sep: self.theme_file_path = '%s/%s' % ('ui', settings.theme) if settings._destination: dest = os.path.join( os.path.dirname(settings._destination), 'ui', settings.theme) if not os.path.isdir(dest): os.makedirs(dest) else: # no destination, so we can't copy the theme return default = 0 while path: for f in os.listdir(path): # copy all files from each theme if f == self.base_theme_file: continue # ... except the "__base__" file if ( self.copy_file(f, path, dest) and f in self.required_theme_files): required_files_copied[f] = 1 if default: break # "default" theme has no base theme # Find the "__base__" file in theme directory: base_theme_file = os.path.join(path, self.base_theme_file) # If it exists, read it and record the theme path: if os.path.isfile(base_theme_file): lines = open(base_theme_file).readlines() for line in lines: line = line.strip() if line and not line.startswith('#'): path = find_theme(line) if path in theme_paths: # check for duplicates (cycles) path = None # if found, use default base else: theme_paths.append(path) break else: # no theme name found path = None # use default base else: # no base theme file found path = None # use default base if not path: path = find_theme(self.default_theme) theme_paths.append(path) default = 1 if len(required_files_copied) != len(self.required_theme_files): # Some required files weren't found & couldn't be copied. required = list(self.required_theme_files) for f in required_files_copied.keys(): required.remove(f) raise docutils.ApplicationError( 'Theme files not found: %s' % ', '.join(['%r' % f for f in required])) files_to_skip_pattern = re.compile(r'~$|\.bak$|#$|\.cvsignore$') def copy_file(self, name, source_dir, dest_dir): """ Copy file `name` from `source_dir` to `dest_dir`. Return 1 if the file exists in either `source_dir` or `dest_dir`. """ source = os.path.join(source_dir, name) dest = os.path.join(dest_dir, name) if self.theme_files_copied.has_key(dest): return 1 else: self.theme_files_copied[dest] = 1 if os.path.isfile(source): if self.files_to_skip_pattern.search(source): return None settings = self.document.settings if os.path.exists(dest) and not settings.overwrite_theme_files: settings.record_dependencies.add(dest) else: src_file = open(source, 'rb') src_data = src_file.read() src_file.close() dest_file = open(dest, 'wb') dest_dir = dest_dir.replace(os.sep, '/') dest_file.write(src_data.replace( 'ui/default', dest_dir[dest_dir.rfind('ui/'):])) dest_file.close() settings.record_dependencies.add(source) return 1 if os.path.isfile(dest): return 1 def depart_document(self, node): header = ''.join(self.s5_header) footer = ''.join(self.s5_footer) title = ''.join(self.html_title).replace('<h1 class="title">', '<h1>') layout = self.layout_template % {'header': header, 'title': title, 'footer': footer} self.fragment.extend(self.body) self.body_prefix.extend(layout) self.body_prefix.append('<div class="presentation">\n') self.body_prefix.append( self.starttag({'classes': ['slide'], 'ids': ['slide0']}, 'div')) if not self.section_count: self.body.append('</div>\n') self.body_suffix.insert(0, '</div>\n') # skip content-type meta tag with interpolated charset value: self.html_head.extend(self.head[1:]) self.html_body.extend(self.body_prefix[1:] + self.body_pre_docinfo + self.docinfo + self.body + self.body_suffix[:-1]) def depart_footer(self, node): start = self.context.pop() self.s5_footer.append('<h2>') self.s5_footer.extend(self.body[start:]) self.s5_footer.append('</h2>') del self.body[start:] def depart_header(self, node): start = self.context.pop() header = ['<div id="header">\n'] header.extend(self.body[start:]) header.append('\n</div>\n') del self.body[start:] self.s5_header.extend(header) def visit_section(self, node): if not self.section_count: self.body.append('\n</div>\n') self.section_count += 1 self.section_level += 1 if self.section_level > 1: # dummy for matching div's self.body.append(self.starttag(node, 'div', CLASS='section')) else: self.body.append(self.starttag(node, 'div', CLASS='slide')) def visit_subtitle(self, node): if isinstance(node.parent, nodes.section): level = self.section_level + self.initial_header_level - 1 if level == 1: level = 2 tag = 'h%s' % level self.body.append(self.starttag(node, tag, '')) self.context.append('</%s>\n' % tag) else: html4css1.HTMLTranslator.visit_subtitle(self, node) def visit_title(self, node, move_ids=0): html4css1.HTMLTranslator.visit_title(self, node, move_ids=move_ids)?? 快捷鍵說明
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