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https://github.com/tahoe-lafs/tahoe-lafs.git
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48 lines
1.5 KiB
Python
48 lines
1.5 KiB
Python
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from nevow import rend, tags as T
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from allmydata.web.common import getxmlfile, abbreviate_size
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def abbreviate_if_known(size):
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if size is None:
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return "?"
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return abbreviate_size(size)
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def remove_prefix(s, prefix):
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if not s.startswith(prefix):
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return None
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return s[len(prefix):]
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class StorageStatus(rend.Page):
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docFactory = getxmlfile("storage_status.xhtml")
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# the default 'data' argument is the StorageServer instance
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def __init__(self, storage):
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rend.Page.__init__(self, storage)
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self.storage = storage
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def render_storage_running(self, ctx, storage):
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if storage:
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return ctx.tag
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else:
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return T.h1["No Storage Server Running"]
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def render_bool(self, ctx, data):
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return {True: "Yes", False: "No"}[bool(data)]
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def render_space(self, ctx, data):
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return abbreviate_if_known(data)
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def data_stats(self, ctx, data):
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# FYI: 'data' appears to be self, rather than the StorageServer
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# object in self.original that gets passed to render_* methods. I
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# still don't understand Nevow.
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# all xhtml tags that are children of a tag with n:render="stats"
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# will be processed with this dictionary, so something like:
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# <ul n:data="stats">
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# <li>disk_total: <span n:data="disk_total" /></li>
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# </ul>
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# will use get_stats()["storage_server.disk_total"]
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return dict([ (remove_prefix(k, "storage_server."), v)
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for k,v in self.storage.get_stats().items() ])
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