def renderTemperature(latest, _class='temperatures'):
degC = latest.get('average')
if degC is None:
return "No data"
degF = units.degCtoF(degC)
return tag('div', _class=_class)[
tag('span', _class='mainTemperature')[ "%.01f" % degF, xml("°"), "F" ],
tag('span', _class='temperatureSeparator')[ " / " ],
tag('span', _class='altTemperature')[ "%.01f" % degC, xml("°"), "C" ],
]
def render_tabs(self, context):
"""The page's tabs show all named components"""
tabs = []
for component in context['request'].site.components:
if component.name:
tabs.append(
tag('li')[xml('» '),
tag('a', href=component.url)[component.name], ])
return tag('ul', _class='heading')[tabs]
def render_tabs(self, context):
"""The page's tabs show all named components"""
tabs = []
for component in context['request'].site.components:
if component.name:
tabs.append(tag('li')[
xml('» '),
tag('a', href=component.url)[ component.name ],
])
return tag('ul', _class='heading')[ tabs ]
def __init__(self, data, feed):
self.feed = feed
try:
self.title = data.title
except AttributeError:
self.title = "Untitled"
self.content = xml(unicode(data.summary).encode("utf-8"))
self.date = data.modified_parsed
# Create a globally unique ID for this post
# FIXME
self.guid = str(hash(self.content))
def render_breadcrumbs(self, context):
places = [self.render_mainTitle(context)]
node = self.parent()
# If we don't at least have a parent node, breadcrumbs
# are going to be pretty useless. Just stick in a
# non-breaking space as a placeholder.
if not node:
return xml(" ")
while node:
places.insert(0, breadcrumbSeparator)
places.insert(0, node.render_link(context))
node = node.parent()
return places
def listRenderCallback(self, obj, context, result):
results = []
if result.called:
return obj
for success, item in obj:
if success:
results.append(str(item))
else:
# If we had any failures, our listRenderErrback
# should have already been called. Ignore this.
return
result.callback(xml(''.join(results)))
return obj
def render_breadcrumbs(self, context):
places = [self.render_mainTitle(context)]
node = self.parent()
# If we don't at least have a parent node, breadcrumbs
# are going to be pretty useless. Just stick in a
# non-breaking space as a placeholder.
if not node:
return xml(" ")
while node:
places.insert(0, breadcrumbSeparator)
places.insert(0, node.render_link(context))
node = node.parent()
return places
def render_list(self, obj, context):
"""A new version of render_list that returns a Deferred
if any item in the list is a Deferred.
"""
# Render each item in the list, noting whether we have any Deferreds
renderedItems = []
hasDeferreds = False
for item in obj:
rendered = self.render(item, context)
renderedItems.append(rendered)
if isinstance(rendered, defer.Deferred):
hasDeferreds = True
# If we had any deferred items, we need to create a DeferredList
# so we get notified once all of our content is rendered. Otherwise
# we can join them now.
if hasDeferreds:
result = defer.Deferred()
# Convert every result to a Deferred, wrapping non-deferred
# objects in deferreds that are already completed.
deferreds = []
for item in renderedItems:
if not isinstance(item, defer.Deferred):
d = defer.Deferred()
d.callback(item)
item = d
deferreds.append(item)
# Propagate errors to our parent. This is necessary
# even with an errback in our DeferredList, as the
# DeferredList doesn't absorb errors, it only detects them.
item.addErrback(self.listRenderErrback, result)
# Wait until all deferreds are completed
dl = defer.DeferredList(deferreds)
dl.addCallbacks(self.listRenderCallback,
self.listRenderErrback,
callbackArgs = (context, result),
errbackArgs = (result,),
)
return result
else:
return xml(''.join(renderedItems))
def formatItem(self, content):
# Convert the root node, not the document- we don't want to
# be outputting another XML declaration inside our larger document.
return xml(XML.toString(content.childNodes[0]).encode('utf8'))
def format_unquoted(self, m):
"""Our 'unquoted' medium is plaintext inside an xml() marker to prevent quoting"""
return xml(self.formatMessage(m, 'plaintext'))
class Page(Nouvelle.Twisted.Page):
"""A template for pages using our CSS- all pages have a heading with
title, subtitle, and site name. The content of each page is in
columns holding sections, while each page shares certain navigation
features- section tabs at the top, and a 'breadcrumbs' display
linking to and showing a page's parent pages.
"""
siteName = "CIA.vc"
mainTitle = None
subTitle = []
leftColumn = []
mainColumn = []
extraHeaders = []
# Placeholders for site-specific customization
site_belowLeftColumn = []
site_bottomOfFooter = []
titleElements = [
tag('div', _class="mainTitle")[place("mainTitle")],
tag('div', _class="subTitle")[place("subTitle")],
]
logoElements = [
tag('a', _class="sitename",
href="/")[tag('img',
src='/media/img/nameplate-24.png',
width=87,
height=24,
alt='CIA.vc'), ],
]
document = [
xml('<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" '
'"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">\n'),
tag('html', xmlns="http://www.w3.org/1999/xhtml")
[tag('head')
[tag('title')[place("pageTitle")],
place('baseTag'),
xml('<meta http-equiv="Content-Type" content="text/html;charset=UTF-8" />'
),
tag('link',
rel='stylesheet',
href='/media/css/old-site.css',
type='text/css'),
tag('link',
rel='shortcut icon',
href='/favicon.ico',
type='image/png'),
tag('script', type='text/javascript', src='/media/js/base.js')[" "],
place('extraHeaders'), ],
tag('body')
[tag('div', _class="heading"
)[tag('div', _class="topRight")[
tag('input', type='text', id='search'),
place("tabs"),
place('logoElements'), ],
tag('div', _class="topLeft")[
place('titleElements'), ],
tag('div', _class="tabBar")[place("breadcrumbs")], ],
# The page body. We really shouldn't still be using a table for this...
tag('table', _class="columns")[tag('tr')[
tag('td', _class="left")[place("templateLeftColumn"), ],
tag('td', _class="main")[place("mainColumn")], ]],
tag('div', _class="footer")[
# Legal goop
tag('p', _class='smallprint')
[xml("The CIA.vc server is Copyright © 2003-2007 "),
EmailLink('mailto:[email protected]')["Micah Dowty"],
", and released under the ",
tag('a', _href='/doc/COPYING')["GNU GPL"], ".",
tag('br'
),
"All hosted messages and metadata are owned by their respective authors.",
],
# More optional text
place("site_bottomOfFooter"), ],
xml('<script type="text/javascript">'
'CIASearch.init("/api/search/", "search", "Search CIA.vc");'
'</script>'), ], ],
]
def render_pageTitle(self, context):
# Wait for the title and site name to resolve into strings so we can mess with them a bit more
result = defer.Deferred()
defer.gatherResults([
defer.maybeDeferred(self.render_mainTitle, context),
defer.maybeDeferred(self.render_siteName, context),
]).addCallback(self._render_pageTitle, context,
result).addErrback(result.errback)
return result
def _render_pageTitle(self, titleAndSite, context, result):
# Now that the title and site name have fully resolved, we can apply some heuristics...
title, siteName = titleAndSite
if title is None:
result.callback(siteName)
return
if type(title) in types.StringTypes and type(
siteName) in types.StringTypes:
# The title and site are plain strings. If it starts with or ends with the site name,
# just use it as-is to avoid being overly redundant.
if title == siteName or title.startswith(
siteName + " ") or title.endswith(" " + siteName):
result.callback(title)
return
# Otherwise, stick the title and site name together
result.callback([title, ' - ', siteName])
def render_templateLeftColumn(self, context):
"""A sneaky little rendering function that runs render_leftColumn,
but then sticks in the site_* modifiers where possible. Note that
this won't work if render_leftColumn returns a Deferred, but
nothing in the CIA server does this yet.
"""
return self.render_leftColumn(context) + self.site_belowLeftColumn
def render_siteName(self, context):
return self.siteName
def render_mainTitle(self, context):
return self.mainTitle
def render_subTitle(self, context):
return self.subTitle
def render_leftColumn(self, context):
return self.leftColumn
def render_mainColumn(self, context):
return self.mainColumn
def render_breadcrumbs(self, context):
places = [self.render_mainTitle(context)]
node = self.parent()
# If we don't at least have a parent node, breadcrumbs
# are going to be pretty useless. Just stick in a
# non-breaking space as a placeholder.
if not node:
return xml(" ")
while node:
places.insert(0, breadcrumbSeparator)
places.insert(0, node.render_link(context))
node = node.parent()
return places
def render_baseTag(self, context):
"""Return an HTML <base> tag pointing at this page's original URL.
This keeps the page from breaking if it's saved to disk or copied elsewhere.
"""
return tag('base', href=context['request'].prePathURL())
def render_link(self, context):
"""Return a serializable object that should be used to link to this page.
By default, this returns a plain link with the page's title, pointing
to the page's URL.
"""
return tag('a',
href=self.getURL(context))[self.render_mainTitle(context)]
def parent(self):
"""Pages must implement this to return their parent page.
This is used for the default implementation of breadcrumbs.
"""
pass
def render_tabs(self, context):
"""The page's tabs show all named components"""
tabs = []
for component in context['request'].site.components:
if component.name:
tabs.append(
tag('li')[xml('» '),
tag('a', href=component.url)[component.name], ])
return tag('ul', _class='heading')[tabs]
def getURL(self, context):
"""Retrieve a URL suitable for linking to this page."""
pass
from twisted.internet import defer
from Nouvelle import tag, place, xml, subcontext
import types, random
# Verify we have a new enough Nouvelle
if (not hasattr(Nouvelle,
"version_info")) or Nouvelle.version_info < (0, 92, 1):
raise Exception("The installed copy of Nouvelle is too old")
# Tag templates
catalogList = tag('ul', _class="catalog")
value = tag('strong')
error = tag('span', _class="error")
longError = tag('p', _class="error")
unableToFormat = error["Unable to format data"]
breadcrumbSeparator = xml(" » ")
pageBody = tag('div', _class="pageBody")
# Stock images
fileIcon = tag('img',
src="/images/bullet.png",
_class="left-icon",
width=9,
height=9,
alt="file")
dirIcon = tag('img',
src="/images/folder.png",
_class="left-icon",
width=14,
height=12,
alt="directory")
padding: 0em 0em 0em 0.25em;
}
span.timestamp {
color: #888;
}
span.serverMessage {
color: #800;
}
"""
if __name__ == '__main__':
print Serializer().render([
xml('<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" '
'"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">\n'),
tag('html', xmlns="http://www.w3.org/1999/xhtml")[
tag('head')[
tag('title')[ " ".join(sys.argv[1:]) ],
tag('style', _type='text/css')[ stylesheet ],
tag('meta', **{'http-equiv': 'refresh', 'content': 15}),
],
tag('body')[
LogFormatter().format(sys.stdin),
],
],
])
### The End ###
import Nouvelle.Twisted
from twisted.internet import defer
from Nouvelle import tag, place, xml, subcontext
import types, random
# Verify we have a new enough Nouvelle
if (not hasattr(Nouvelle, "version_info")) or Nouvelle.version_info < (0, 92, 1):
raise Exception("The installed copy of Nouvelle is too old")
# Tag templates
catalogList = tag('ul', _class="catalog")
value = tag('strong')
error = tag('span', _class="error")
longError = tag('p', _class="error")
unableToFormat = error[ "Unable to format data" ]
breadcrumbSeparator = xml(" » ")
pageBody = tag('div', _class="pageBody")
# Stock images
fileIcon = tag('img', src="/images/bullet.png", _class="left-icon", width=9, height=9, alt="file")
dirIcon = tag('img', src="/images/folder.png", _class="left-icon", width=14, height=12, alt="directory")
def Photo(url, **attrs):
"""A factory for images presented as a photo"""
return tag('div', _class='photo')[ tag('img', _class='photo', src=url, alt="Photo", **attrs) ]
def Bargraph(value, width=4, padding=0.2):
"""A factory for tags that use their size to express a value between 0 and 1"""
return tag('span', _class='bargraph',
