mirror of
https://github.com/tahoe-lafs/tahoe-lafs.git
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270 lines
9.7 KiB
Python
270 lines
9.7 KiB
Python
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from twisted.application import service, internet
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from twisted.web import static, resource, server
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from twisted.python import util, log
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from nevow import inevow, rend, loaders, appserver, url, tags as T
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from allmydata.util import idlib
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from allmydata.download import IDownloadTarget#, IDownloader
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from allmydata import upload
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from zope.interface import implements, Interface
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import urllib
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from formless import annotate, webform
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def getxmlfile(name):
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return loaders.xmlfile(util.sibpath(__file__, "web/%s" % name))
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class IClient(Interface):
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pass
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class WebishServer(service.MultiService):
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name = "webish"
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WEBPORTFILE = "webport"
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def __init__(self, webport):
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service.MultiService.__init__(self)
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self.root = root = static.Data("root", "text/plain")
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w = Welcome()
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root.putChild("", w)
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root.putChild("vdrive",
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static.Data("sorry, still initializing", "text/plain"))
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self.site = site = appserver.NevowSite(root)
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internet.TCPServer(webport, site).setServiceParent(self)
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def startService(self):
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service.MultiService.startService(self)
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# to make various services available to render_* methods, we stash a
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# reference to the client on the NevowSite. This will be available by
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# adapting the 'context' argument to a special marker interface named
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# IClient.
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self.site.remember(self.parent, IClient)
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# I thought you could do the same with an existing interface, but
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# apparently 'ISite' does not exist
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#self.site._client = self.parent
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def set_root_dirnode(self, dirnode):
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self.root.putChild("vdrive", Directory(dirnode, "/"))
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# I tried doing it this way and for some reason it didn't seem to work
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#print "REMEMBERING", self.site, dl, IDownloader
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#self.site.remember(dl, IDownloader)
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class Welcome(rend.Page):
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addSlash = True
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docFactory = getxmlfile("welcome.xhtml")
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def data_queen_pburl(self, ctx, data):
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return IClient(ctx).queen_pburl
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def data_connected_to_queen(self, ctx, data):
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if IClient(ctx).queen:
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return "yes"
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return "no"
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def data_num_peers(self, ctx, data):
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#client = inevow.ISite(ctx)._client
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client = IClient(ctx)
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return len(client.all_peers)
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def data_num_connected_peers(self, ctx, data):
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return len(IClient(ctx).connections)
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def data_peers(self, ctx, data):
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return sorted(IClient(ctx).all_peers)
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def render_row(self, ctx, data):
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if data in IClient(ctx).connections:
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connected = "yes"
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else:
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connected = "no"
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ctx.fillSlots("peerid", idlib.b2a(data))
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ctx.fillSlots("connected", connected)
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return ctx.tag
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class Directory(rend.Page):
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addSlash = True
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docFactory = getxmlfile("directory.xhtml")
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def __init__(self, dirnode, dirname):
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self._dirnode = dirnode
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self._dirname = dirname
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def get_service(self, ctx, name):
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return IClient(ctx).getServiceNamed(name)
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def childFactory(self, ctx, name):
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if name.startswith("freeform"): # ick
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return None
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if name == "_download":
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args = inevow.IRequest(ctx).args
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filename = args["filename"][0]
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verifierid = args["verifierid"][0]
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return Downloader(self.get_service(ctx, "downloader"),
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self._dirname, filename, idlib.a2b(verifierid))
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if self._dirname == "/":
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dirname = "/" + name
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else:
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dirname = self._dirname + "/" + name
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d = self._dirnode.callRemote("get", name)
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d.addCallback(lambda newnode: Directory(newnode, dirname))
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return d
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def render_title(self, ctx, data):
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return ctx.tag["Directory of '%s':" % self._dirname]
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def render_header(self, ctx, data):
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return "Directory of '%s':" % self._dirname
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def data_children(self, ctx, data):
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d = self._dirnode.callRemote("list")
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return d
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def render_row(self, ctx, data):
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name, target = data
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if isinstance(target, str):
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# file
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args = {'verifierid': idlib.b2a(target),
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'filename': name,
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}
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dlurl = "_download?%s" % urllib.urlencode(args)
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ctx.fillSlots("filename", T.a(href=dlurl)[name])
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ctx.fillSlots("type", "FILE")
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ctx.fillSlots("fileid", idlib.b2a(target))
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# this creates a button which will cause our child__delete method
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# to be invoked, which deletes the file and then redirects the
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# browser back to this directory
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del_url = url.here.child("_delete")
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#del_url = del_url.add("verifierid", idlib.b2a(target))
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del_url = del_url.add("name", name)
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delete = T.form(action=del_url, method="post")[
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T.input(type='submit', value='del', name="del"),
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]
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ctx.fillSlots("delete", delete)
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else:
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# directory
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ctx.fillSlots("filename", T.a(href=name)[name])
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ctx.fillSlots("type", "DIR")
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ctx.fillSlots("fileid", "-")
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ctx.fillSlots("delete", "-")
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return ctx.tag
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child_webform_css = webform.defaultCSS
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def render_forms(self, ctx, data):
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return webform.renderForms()
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def bind_upload(self, ctx):
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"""upload1"""
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# Note: this comment is no longer accurate, as it reflects the older
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# (apparently deprecated) formless.autocallable /
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# annotate.TypedInterface approach.
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# Each method gets a box. The string in the autocallable(action=)
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# argument is put on the border of the box, as well as in the submit
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# button. The top-most contents of the box are the method's
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# docstring, if any. Each row contains a string for the argument
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# followed by the argument's input box. If you do not provide an
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# action= argument to autocallable, the method name is capitalized
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# and used instead.
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up = annotate.FileUpload(label="Choose a file to upload: ",
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required=True,
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requiredFailMessage="Do iT!")
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contentsarg = annotate.Argument("contents", up)
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ctxarg = annotate.Argument("ctx", annotate.Context())
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meth = annotate.Method(arguments=[contentsarg, ctxarg])
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return annotate.MethodBinding("upload", meth, action="Upload File")
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def upload(self, contents, ctx):
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# contents is a cgi.FieldStorage instance
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log.msg("starting webish upload")
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uploader = self.get_service(ctx, "uploader")
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d = uploader.upload(upload.Data(contents.value))
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name = contents.filename
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d.addCallback(lambda vid:
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self._dirnode.callRemote("add_file", name, vid))
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def _done(res):
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log.msg("webish upload complete")
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return res
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d.addCallback(_done)
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return d
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return url.here.add("results",
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"upload of '%s' complete!" % contents.filename)
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def bind_mkdir(self, ctx):
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"""Make new directory 1"""
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namearg = annotate.Argument("name",
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annotate.String("New directory name: "))
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meth = annotate.Method(arguments=[namearg])
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return annotate.MethodBinding("mkdir", meth, action="Make Directory")
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def mkdir(self, name):
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"""mkdir2"""
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log.msg("making new webish directory")
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d = self._dirnode.callRemote("add_directory", name)
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def _done(res):
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log.msg("webish mkdir complete")
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return res
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d.addCallback(_done)
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return d
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def child__delete(self, ctx):
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# perform the delete, then redirect back to the directory page
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args = inevow.IRequest(ctx).args
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vdrive = self.get_service(ctx, "vdrive")
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d = vdrive.remove(self._dirnode, args["name"][0])
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def _deleted(res):
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return url.here.up()
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d.addCallback(_deleted)
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return d
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class WebDownloadTarget:
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implements(IDownloadTarget)
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def __init__(self, req):
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self._req = req
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def open(self):
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pass
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def write(self, data):
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self._req.write(data)
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def close(self):
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self._req.finish()
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def fail(self):
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self._req.finish()
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def register_canceller(self, cb):
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pass
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def finish(self):
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pass
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class TypedFile(static.File):
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# serve data from a named file, but using a Content-Type derived from a
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# different filename
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isLeaf = True
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def __init__(self, path, requested_filename):
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static.File.__init__(self, path)
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gte = static.getTypeAndEncoding
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self.type, self.encoding = gte(requested_filename,
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self.contentTypes,
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self.contentEncodings,
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self.defaultType)
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class Downloader(resource.Resource):
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def __init__(self, downloader, dirname, name, verifierid):
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self._downloader = downloader
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self._dirname = dirname
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self._name = name
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self._verifierid = verifierid
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def render(self, ctx):
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req = inevow.IRequest(ctx)
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gte = static.getTypeAndEncoding
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type, encoding = gte(self._name,
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static.File.contentTypes,
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static.File.contentEncodings,
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defaultType="text/plain")
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req.setHeader("content-type", type)
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if encoding:
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req.setHeader('content-encoding', encoding)
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t = WebDownloadTarget(req)
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#dl = IDownloader(ctx)
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dl = self._downloader
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dl.download(self._verifierid, t)
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return server.NOT_DONE_YET
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