"""
Nevow support for lore.
Do something like:
lore -inevow --config pageclass=some.module.SomePageSubclass [other-opts]
API Stability: unstable
Maintainer: U{Christopher Armstrong<mailto:radix@twistedmatrix.com>}
"""
import os
from twisted.web import microdom
from twisted.python import reflect
from twisted.protocols import sux
from twisted.lore import default, tree, process
from nevow import rend
def parseStringAndReport(s):
try:
return microdom.parseString(s)
except microdom.MismatchedTags, e:
raise process.ProcessingFailure(
"%s:%s: begin mismatched tags <%s>/</%s>" %
(e.begLine, e.begCol, e.got, e.expect),
"%s:%s: end mismatched tags <%s>/</%s>" %
(e.endLine, e.endCol, e.got, e.expect))
except microdom.ParseError, e:
raise process.ProcessingFailure("%s:%s:%s" % (e.line, e.col, e.message))
except IOError, e:
raise process.ProcessingFailure(e.strerror)
def nevowify(filename, linkrel, ext, url, templ, options=None, outfileGenerator=tree.getOutputFileName):
if options is None:
options = {}
pclass = options['pageclass']
pclass = reflect.namedObject(pclass)
page = pclass(docFactory=rend.htmlfile(filename))
s = page.renderString()
from twisted.trial.util import wait
s = wait(s)
newFilename = outfileGenerator(filename, ext)
if options.has_key('nolore'):
open(newFilename, 'w').write(s)
return
doc = parseStringAndReport(s)
clonedNode = templ.cloneNode(1)
tree.munge(doc, clonedNode, linkrel, os.path.dirname(filename), filename, ext,
url, options, outfileGenerator)
tree.makeSureDirectoryExists(newFilename)
clonedNode.writexml(open(newFilename, 'wb'))
class NevowProcessorFactory:
def getDoFile(self):
return nevowify
def generate_html(self, options, filenameGenerator=tree.getOutputFileName):
n = default.htmlDefault.copy()
n.update(options)
options = n
try:
fp = open(options['template'])
templ = microdom.parse(fp)
except IOError, e:
raise process.NoProcessorError(e.filename+": "+e.strerror)
except sux.ParseError, e:
raise process.NoProcessorError(str(e))
df = lambda file, linkrel: self.getDoFile()(file, linkrel, options['ext'],
options['baseurl'], templ, options, filenameGenerator)
return df
factory = NevowProcessorFactory()