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import templates as _templates
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class _Page (object) :
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"""
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A page is kind of like a controller, I guess
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"""
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# the page title, used in the HTML <title>
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title = None
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# the page name, used in the menu
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name = None
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# the page path, used in the URL
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path = None
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def __init__ (self, req, path_suffix) :
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self.req = req
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self.path_suffix = path_suffix
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def _build_template (self, template_class) :
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tpl = template_class(searchList=[self.req])
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tpl.page_title = self.title
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tpl.page_name = self.name
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tpl.page_path = self.path
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tpl.page_menu = root_menu
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tpl.page = self
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tpl.page_children = self.get_children()
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return tpl
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def get_children (self) :
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"""
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Returns a list of page objects that are children of this one. May return None if there are none
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"""
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return None
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def get_response_code (self) :
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"""
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Returns the HTTP response code to be used
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"""
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return 200
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def render_template (self) :
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"""
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Returns an instance of Cheetah.Template, prepopulated with whatever variables it needs, ready to be rendered
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"""
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abstract
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class StaticHTML (_Page) :
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# the path to the .html file
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file_path = None
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def __init__ (self, *args) :
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super(StaticHTML, self).__init__(*args)
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# open the .html and read in the contents
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fh = open(self.file_path, "r")
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self.file_data = fh.read()
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fh.close()
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def render_template (self) :
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tpl = self._build_template(_templates.layout)
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tpl.page_content = self.file_data
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return tpl
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def html_page (_file_path, _title, _name, _path) :
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class _anon_html_page (StaticHTML) :
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file_path = _file_path
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title = _title
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name = _name
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path = _path
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return _anon_html_page
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class Main (_Page) :
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"""
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Main page with simple stuff
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"""
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title = "Main Page"
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name = "Main"
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path = ""
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def render_template (self) :
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return self._build_template(_templates.main)
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class Error404 (_Page) :
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title = "Error 404 - Not Found"
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def get_response_code (self) :
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return 404
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def render_template (self) :
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return self._build_template(_templates.error_404)
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# load HTML pages
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About = html_page("pages/about.html", "About", "About", "about")
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pages = {
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'main': Main,
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'about': About,
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}
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root_menu = [
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Main,
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About
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]
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def find (req) :
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"""
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This finds the page to use for the given req and reuturns an instance of it
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"""
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for prefix, suffix in req.page_name_prefixes() :
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if prefix in pages :
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return pages[prefix](req, suffix)
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return Error404(req, req.page_path)
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