head and body tags of landing page exposed as ElementTree.Elements
This commit is contained in:
Darren Ranalli
parent
43bfae1dd1
commit
3b0682d19f
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@ -13,9 +13,6 @@ class LandingPage:
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self.headerTemplate = LandingPageHTML.header
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self.footerTemplate = LandingPageHTML.footer
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# allow modifications to the page head tag
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self._headET = ET.Element('head')
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self.menu = {}
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self.uriToTitle = {}
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@ -51,19 +48,57 @@ class LandingPage:
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def getMenu(self, activeTab):
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return LandingPageHTML.getTabs(self.menu,activeTab)
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def getHeader(self, activeTab = "Main"):
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headContent = ''
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for child in self._headET.getchildren():
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fileStr = StringIO()
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ET.ElementTree(child).write(fileStr)
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headContent += fileStr.getvalue()
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s = self.headerTemplate % {'titlestring' : LandingPageHTML.title,
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'menustring' : self.getMenu(activeTab),
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'headContent' : headContent,}
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return s
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def getMenuTags(self, activeTab):
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return LandingPageHTML.getTabTags(self.menu, activeTab)
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def getHead(self):
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return self._headET
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def getHeader(self, activeTab = "Main", headTag=None, bodyTag=None):
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if headTag is None:
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headTag = ET.Element('head')
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if bodyTag is None:
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bodyTag = ET.Element('body')
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# make sure each component has elements to make formatting consistent
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headTag.append(ET.Comment(''))
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bodyTag.append(ET.Comment(''))
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fileStr = StringIO()
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ET.ElementTree(headTag).write(fileStr)
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headTagStr = fileStr.getvalue()
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# remove the tag closer
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# </head>
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headTagStr = headTagStr[:headTagStr.rindex('<')]
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# fill in the prefab body tag content
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titleStr = LandingPageHTML.title
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landing = ET.Element('body')
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LandingPageHTML.addBodyHeaderAndContent(landing, titleStr, self.getMenuTags(activeTab))
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fileStr = StringIO()
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ET.ElementTree(landing).write(fileStr)
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landingStr = fileStr.getvalue()
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# remove <body>
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landingStr = landingStr[landingStr.index('>')+1:]
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# remove tag closers
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for i in xrange(3):
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# </body>
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# contents </div>
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# </center>
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landingStr = landingStr[:landingStr.rindex('<')]
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fileStr = StringIO()
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ET.ElementTree(bodyTag).write(fileStr)
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bodyTagStr = fileStr.getvalue()
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# extract <body>
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bodyStr = bodyTagStr[bodyTagStr.index('>')+1:]
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bodyTagStr = bodyTagStr[:bodyTagStr.index('>')+1]
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bodyStr = bodyTagStr + '\n' + landingStr + '\n' + bodyStr
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s = self.headerTemplate % {'titlestring': titleStr,
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'headTag' : headTagStr,
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'bodyTag': bodyStr,
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}
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return s
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def getFooter(self):
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return self.footerTemplate % {'contact' : LandingPageHTML.contactInfo}
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@ -130,9 +165,9 @@ class LandingPage:
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def getFavIcon(self):
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return self.favicon
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def skin(self, body, uri):
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def skin(self, body, uri, headTag=None, bodyTag=None):
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title = self.uriToTitle.get(uri,"Services")
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return self.getHeader(title) + body + self.getFooter()
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return self.getHeader(title, headTag, bodyTag) + body + self.getFooter()
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def addQuickStat(self,item,value,position):
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if item in self.quickStats[1]:
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@ -1,5 +1,7 @@
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# -- Text content for the landing page. You should change these for yours! --
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from direct.showbase import ElementTree as ET
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title = "Landing Page"
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defaultTitle = title
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@ -258,14 +260,17 @@ stylesheet = '''
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header = '''
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<html>
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<head>
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%(headTag)s
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<title>%(titlestring)s</title>
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<link rel="stylesheet" type="text/css" href="/default.css">
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%(headContent)s
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</head>
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<body>
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%(bodyTag)s
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'''
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# this portion of the body is now added dynamically in order to support changes to the body tag
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# attributes
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'''
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<!-- HEADER -->
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<div id="header">
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@ -280,8 +285,26 @@ header = '''
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<div id="contents">
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<center>
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'''
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# caller must remove '</div>' from end of output string derived from what is returned
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def addBodyHeaderAndContent(bodyTag, titleString, menuTags):
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SE = ET.SubElement
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bodyTag.append(ET.Comment('HEADER'))
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header = SE(bodyTag, 'div', id='header')
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h2 = SE(header, 'h2')
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h2.text = titleString
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navContainer = SE(header, 'div', id='navcontainer')
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navList = SE(navContainer, 'ul', id='navlist')
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for menuTag in menuTags:
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navList.append(menuTag)
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bodyTag.append(ET.Comment('CONTENT'))
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contents = SE(bodyTag, 'div', id='contents')
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center = SE(contents, 'center')
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# for ease of removal of center tag closer
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center.append(ET.Comment(''))
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mainPageBody = '''
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<P>%(description)s</P>
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@ -363,6 +386,53 @@ def getTabs(menu,activeTab):
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return s
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def getTabTags(menu,activeTab):
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tabList = menu.keys()
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if "Main" in tabList:
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tabList.remove("Main")
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if "Services" in tabList:
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tabList.remove("Services")
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tabList.sort()
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if "Main" in menu.keys():
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tabList.insert(0, "Main")
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if "Services" in menu.keys():
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tabList.insert(1, "Services")
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tabNum = 0
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tags = []
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for tab in tabList:
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if tabNum == 0:
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if tab == activeTab:
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li = ET.Element('li', id='active')
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li.set('class', 'first')
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a = ET.SubElement(li, 'a', href=menu[tab], id='current')
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a.text = tab
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tags.append(li)
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else:
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li = ET.Element('li')
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li.set('class', 'first')
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a = ET.SubElement(li, 'a', href=menu[tab])
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a.text = tab
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tags.append(li)
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else:
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if tab == activeTab:
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li = ET.Element('li', id='active')
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a = ET.SubElement(li, 'a', href=menu[tab], id='current')
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a.text = tab
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tags.append(li)
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else:
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li = ET.Element('li')
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a = ET.SubElement(li, 'a', href=menu[tab])
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a.text = tab
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tags.append(li)
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tabNum += 1
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return tags
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def getQuickStatsTable(quickStats):
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output = "\n<table>\n<caption>Quick Stats</caption>\n<thead><tr><th scope=col>Item</th><th scope=col>Value</th></tr></thead>\n"
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output += "<tbody>\n"
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@ -69,31 +69,23 @@ class SkinningReplyTo:
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self._dispatcher = dispatcher
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self._uri = uri
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self._doSkin = doSkin
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self._headTags = self._dispatcher._headTags[:]
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self._dispatcher._clearHeadTags()
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self._headTag = ET.Element('head')
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self._bodyTag = ET.Element('body')
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def respondHTTP(self,status,body):
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if self._doSkin:
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self._addHeadTags()
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body = self._dispatcher.landingPage.skin(body, self._uri)
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self._removeHeadTags()
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body = self._dispatcher.landingPage.skin(
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body, self._uri, headTag=self._headTag, bodyTag=self._bodyTag)
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self._replyTo.respondHTTP(status, body)
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def respond(self, response):
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self.respondHTTP("200 OK", response)
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def addTagToHead(self, tag):
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self._headTags.append(tag)
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def _addHeadTags(self):
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head = self._dispatcher.landingPage.getHead()
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for tag in self._headTags:
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head.append(tag)
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def _removeHeadTags(self):
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head = self._dispatcher.landingPage.getHead()
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for tag in self._headTags:
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head.remove(tag)
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# provides access to head and body tags of landing page
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def getHeadTag(self):
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return self._headTag
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def getBodyTag(self):
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return self._bodyTag
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def __getattr__(self, attrName):
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if attrName in self.__dict__:
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@ -142,7 +134,6 @@ class WebRequestDispatcher(object):
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def __init__(self, wantLandingPage = True):
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self.enableLandingPage(wantLandingPage)
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self._headTags = []
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def listenOnPort(self,listenPort):
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"""
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@ -161,6 +152,13 @@ class WebRequestDispatcher(object):
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replyTo.respondHTTP("404 Not Found",resp)
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self.notify.warning("%s - %s - 404" % (replyTo.getSourceAddress(),replyTo.getURI()))
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# access to head and body tags of landing page
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# only for 'returnsResponse' mode
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def getHeadTag(self):
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return self._headTag
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def getBodyTag(self):
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return self._bodyTag
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def handleGET(self,req):
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"""
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Parse and dispatch a single GET request.
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@ -181,27 +179,17 @@ class WebRequestDispatcher(object):
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if returnsResponse:
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result = apply(callable,(),args)
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if autoSkin:
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req.respond(self.landingPage.skin(result,uri))
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self._headTag = ET.Element('head')
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self._bodyTag = ET.Element('body')
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req.respond(self.landingPage.skin(result,uri, headTag=self._headTag, bodyTag=self._bodyTag))
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del self._bodyTag
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del self._headTag
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else:
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req.respond(result)
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self._clearHeadTags()
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else:
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args["replyTo"] = SkinningReplyTo(req, self, uri, autoSkin)
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apply(callable,(),args)
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def addTagToHead(self, tag):
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# adds a sub-tag within the head tag for the next outgoing response in returnsResponse mode
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# for non-returnsResponse mode, use API on SkinningReplyTo
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head = self.landingPage.getHead()
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head.append(tag)
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self._headTags.append(tag)
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def _clearHeadTags(self):
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head = self.landingPage.getHead()
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for tag in self._headTags:
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head.remove(tag)
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self._headTags = []
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def poll(self):
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"""
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Pump the web server, handle any incoming requests.
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