From 2cb9cc8e90fc54dddf844edb167321a2fd370991 Mon Sep 17 00:00:00 2001 From: Waylan Limberg Date: Tue, 6 Jul 2010 14:30:04 -0400 Subject: Moved base Extension class and extension loaders to markdown/extensions/__init__.py. Now only the Markdown class and two public wrappers are in markdown/__init__.py. --- markdown/__init__.py | 101 +--------------------------------------- markdown/extensions/__init__.py | 99 +++++++++++++++++++++++++++++++++++++++ 2 files changed, 100 insertions(+), 100 deletions(-) diff --git a/markdown/__init__.py b/markdown/__init__.py index 88f805b..c7988b8 100644 --- a/markdown/__init__.py +++ b/markdown/__init__.py @@ -76,6 +76,7 @@ import inlinepatterns import postprocessors import blockparser import odict +from extensions import Extension, load_extension, load_extensions # For backwards compatibility in the 2.0.x series # The things defined in these modules started off in __init__.py so third @@ -374,106 +375,6 @@ class Markdown: output.write(html.encode(encoding)) -""" -Extensions ------------------------------------------------------------------------------ -""" - -class Extension: - """ Base class for extensions to subclass. """ - def __init__(self, configs = {}): - """Create an instance of an Extention. - - Keyword arguments: - - * configs: A dict of configuration setting used by an Extension. - """ - self.config = configs - - def getConfig(self, key): - """ Return a setting for the given key or an empty string. """ - if key in self.config: - return self.config[key][0] - else: - return "" - - def getConfigInfo(self): - """ Return all config settings as a list of tuples. """ - return [(key, self.config[key][1]) for key in self.config.keys()] - - def setConfig(self, key, value): - """ Set a config setting for `key` with the given `value`. """ - self.config[key][0] = value - - def extendMarkdown(self, md, md_globals): - """ - Add the various proccesors and patterns to the Markdown Instance. - - This method must be overriden by every extension. - - Keyword arguments: - - * md: The Markdown instance. - - * md_globals: Global variables in the markdown module namespace. - - """ - raise NotImplementedError, 'Extension "%s.%s" must define an "extendMarkdown"' \ - 'method.' % (self.__class__.__module__, self.__class__.__name__) - - -def load_extension(ext_name, configs = []): - """Load extension by name, then return the module. - - The extension name may contain arguments as part of the string in the - following format: "extname(key1=value1,key2=value2)" - - """ - - # Parse extensions config params (ignore the order) - configs = dict(configs) - pos = ext_name.find("(") # find the first "(" - if pos > 0: - ext_args = ext_name[pos+1:-1] - ext_name = ext_name[:pos] - pairs = [x.split("=") for x in ext_args.split(",")] - configs.update([(x.strip(), y.strip()) for (x, y) in pairs]) - - # Setup the module names - ext_module = 'markdown.extensions' - module_name_new_style = '.'.join([ext_module, ext_name]) - module_name_old_style = '_'.join(['mdx', ext_name]) - - # Try loading the extention first from one place, then another - try: # New style (markdown.extensons.) - module = __import__(module_name_new_style, {}, {}, [ext_module]) - except ImportError: - try: # Old style (mdx.) - module = __import__(module_name_old_style) - except ImportError: - message(WARN, "Failed loading extension '%s' from '%s' or '%s'" - % (ext_name, module_name_new_style, module_name_old_style)) - # Return None so we don't try to initiate none-existant extension - return None - - # If the module is loaded successfully, we expect it to define a - # function called makeExtension() - try: - return module.makeExtension(configs.items()) - except AttributeError, e: - message(CRITICAL, "Failed to initiate extension '%s': %s" % (ext_name, e)) - - -def load_extensions(ext_names): - """Loads multiple extensions""" - extensions = [] - for ext_name in ext_names: - extension = load_extension(ext_name) - if extension: - extensions.append(extension) - return extensions - - """ EXPORTED FUNCTIONS ============================================================================= diff --git a/markdown/extensions/__init__.py b/markdown/extensions/__init__.py index e69de29..1964bfc 100644 --- a/markdown/extensions/__init__.py +++ b/markdown/extensions/__init__.py @@ -0,0 +1,99 @@ + +""" +Extensions +----------------------------------------------------------------------------- +""" + +class Extension: + """ Base class for extensions to subclass. """ + def __init__(self, configs = {}): + """Create an instance of an Extention. + + Keyword arguments: + + * configs: A dict of configuration setting used by an Extension. + """ + self.config = configs + + def getConfig(self, key): + """ Return a setting for the given key or an empty string. """ + if key in self.config: + return self.config[key][0] + else: + return "" + + def getConfigInfo(self): + """ Return all config settings as a list of tuples. """ + return [(key, self.config[key][1]) for key in self.config.keys()] + + def setConfig(self, key, value): + """ Set a config setting for `key` with the given `value`. """ + self.config[key][0] = value + + def extendMarkdown(self, md, md_globals): + """ + Add the various proccesors and patterns to the Markdown Instance. + + This method must be overriden by every extension. + + Keyword arguments: + + * md: The Markdown instance. + + * md_globals: Global variables in the markdown module namespace. + + """ + raise NotImplementedError, 'Extension "%s.%s" must define an "extendMarkdown"' \ + 'method.' % (self.__class__.__module__, self.__class__.__name__) + + +def load_extension(ext_name, configs = []): + """Load extension by name, then return the module. + + The extension name may contain arguments as part of the string in the + following format: "extname(key1=value1,key2=value2)" + + """ + + # Parse extensions config params (ignore the order) + configs = dict(configs) + pos = ext_name.find("(") # find the first "(" + if pos > 0: + ext_args = ext_name[pos+1:-1] + ext_name = ext_name[:pos] + pairs = [x.split("=") for x in ext_args.split(",")] + configs.update([(x.strip(), y.strip()) for (x, y) in pairs]) + + # Setup the module names + ext_module = 'markdown.extensions' + module_name_new_style = '.'.join([ext_module, ext_name]) + module_name_old_style = '_'.join(['mdx', ext_name]) + + # Try loading the extention first from one place, then another + try: # New style (markdown.extensons.) + module = __import__(module_name_new_style, {}, {}, [ext_module]) + except ImportError: + try: # Old style (mdx.) + module = __import__(module_name_old_style) + except ImportError: + message(WARN, "Failed loading extension '%s' from '%s' or '%s'" + % (ext_name, module_name_new_style, module_name_old_style)) + # Return None so we don't try to initiate none-existant extension + return None + + # If the module is loaded successfully, we expect it to define a + # function called makeExtension() + try: + return module.makeExtension(configs.items()) + except AttributeError, e: + message(CRITICAL, "Failed to initiate extension '%s': %s" % (ext_name, e)) + + +def load_extensions(ext_names): + """Loads multiple extensions""" + extensions = [] + for ext_name in ext_names: + extension = load_extension(ext_name) + if extension: + extensions.append(extension) + return extensions -- cgit v1.2.3