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Viewing changes to loggerhead/controllers/download_ui.py

[rs=mwhudson] many many improvements to loggerhead -- faster
        templating, leaner HTTP server, less caching, cleaner urls

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Lines of Context:
loggerhead/controllers/download_ui.py
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class DownloadUI (object):
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    def __init__(self, branch, history):
 
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    def __init__(self, branch):
 
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        # BranchView object
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        self._branch = branch
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        self._history = history
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        self.log = branch.log
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    def __call__(self, environ, start_response):
 
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    def default(self, request, response):
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        # /download/<rev_id>/<file_id>/[filename]
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        z = time.time()
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        h = self._history
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        args = []
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        while 1:
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            arg = path_info_pop(environ)
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            if arg is None:
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                break
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            args.append(arg)
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        if len(args) < 2:
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            raise httpexceptions.HTTPMovedPermanently(self._branch.url('../changes'))
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        revid = h.fix_revid(args[0])
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        file_id = args[1]
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        path, filename, content = h.get_file(file_id, revid)
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        mime_type, encoding = mimetypes.guess_type(filename)
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        if mime_type is None:
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            mime_type = 'application/octet-stream'
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        self.log.info('/download %s @ %s (%d bytes)', path, h.get_revno(revid), len(content))
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        headers = [
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            ('Content-Type', mime_type),
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            ('Content-Length', len(content)),
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            ('Content-Disposition', 'attachment; filename=%s'%(filename,)),
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            ]
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        start_response('200 OK', headers)
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        return [content]
 
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        h = self._branch.history
 
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        h._branch.lock_read()
 
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        try:
 
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            args = []
 
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            while 1:
 
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                arg = path_info_pop(request.environ)
 
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                if arg is None:
 
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                    break
 
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                args.append(arg)
 
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            if len(args) < 2:
 
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                raise httpexceptions.HTTPMovedPermanently(self._branch.url('../changes'))
 
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            revid = h.fix_revid(args[0])
 
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            file_id = args[1]
 
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            path, filename, content = h.get_file(file_id, revid)
 
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            mime_type, encoding = mimetypes.guess_type(filename)
 
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            if mime_type is None:
 
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                mime_type = 'application/octet-stream'
 
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            self.log.info('/download %s @ %s (%d bytes)', path, h.get_revno(revid), len(content))
 
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            response.headers['Content-Type'] = mime_type
 
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            response.headers['Content-Length'] = len(content)
 
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            response.headers['Content-Disposition'] = 'attachment; filename=%s'%(filename,)
 
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            response.write(content)
 
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        finally:
 
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            h._branch.unlock()