-#!/usr/bin/env python
-import sys, stat, urllib, mimetypes, posixpath, time
-import tornado.httpserver
-import tornado.ioloop
-import tornado.web
+#!/bin/sh
+"""": # -*-python-*-
+bup_python="$(dirname "$0")/bup-python" || exit $?
+exec "$bup_python" "$0" ${1+"$@"}
+"""
+# end of bup preamble
+
+from collections import namedtuple
+import mimetypes, os, posixpath, signal, stat, sys, time, urllib, webbrowser
+
from bup import options, git, vfs
-from bup.helpers import *
+from bup.helpers import (chunkyreader, debug1, handle_ctrl_c, log,
+ resource_path, saved_errors)
+
+try:
+ from tornado import gen
+ from tornado.httpserver import HTTPServer
+ from tornado.ioloop import IOLoop
+ from tornado.netutil import bind_unix_socket
+ import tornado.web
+except ImportError:
+ log('error: cannot find the python "tornado" module; please install it\n')
+ sys.exit(1)
+
handle_ctrl_c()
if path != "/":
yield('..', '../' + url_append, '')
for sub in n:
- display = link = sub.name
+ display = sub.name
+ link = urllib.quote(sub.name)
# link should be based on fully resolved type to avoid extra
# HTTP redirect.
if stat.S_ISDIR(sub.try_resolve().mode):
- link = sub.name + "/"
+ link += "/"
if not show_hidden and len(display)>1 and display.startswith('.'):
continue
size = None
if stat.S_ISDIR(sub.mode):
- display = sub.name + '/'
+ display += '/'
elif stat.S_ISLNK(sub.mode):
- display = sub.name + '@'
+ display += '@'
else:
size = sub.size()
+ size = (opt.human_readable and format_filesize(size)) or size
yield (display, link + url_append, size)
class BupRequestHandler(tornado.web.RequestHandler):
+
+ def decode_argument(self, value, name=None):
+ if name == 'path':
+ return value
+ return super(BupRequestHandler, self).decode_argument(value, name)
+
def get(self, path):
return self._process_request(path)
def head(self, path):
return self._process_request(path)
- @tornado.web.asynchronous
def _process_request(self, path):
path = urllib.unquote(path)
print 'Handling request for %s' % path
try:
show_hidden = int(self.request.arguments.get('hidden', [0])[-1])
- except ValueError, e:
+ except ValueError as e:
show_hidden = False
self.render(
hidden_shown=show_hidden,
dir_contents=_compute_dir_contents(n, path, show_hidden))
+ @gen.coroutine
def _get_file(self, path, n):
"""Process a request on a file.
In either case, the headers are sent.
"""
ctype = self._guess_type(path)
-
self.set_header("Last-Modified", self.date_time_string(n.mtime))
self.set_header("Content-Type", ctype)
size = n.size()
self.set_header("Content-Length", str(size))
assert(len(n.hash) == 20)
self.set_header("Etag", n.hash.encode('hex'))
-
if self.request.method != 'HEAD':
- self.flush()
f = n.open()
- it = chunkyreader(f)
- def write_more(me):
- try:
- blob = it.next()
- except StopIteration:
- f.close()
- self.finish()
- return
- self.request.connection.stream.write(blob,
- callback=lambda: me(me))
- write_more(write_more)
+ try:
+ it = chunkyreader(f)
+ for blob in chunkyreader(f):
+ self.write(blob)
+ finally:
+ f.close()
+ raise gen.Return()
def _guess_type(self, path):
"""Guess the type of a file.
return time.strftime('%a, %d %b %Y %H:%M:%S', time.gmtime(t))
+io_loop = None
+
+def handle_sigterm(signum, frame):
+ global io_loop
+ debug1('\nbup-web: signal %d received\n' % signum)
+ log('Shutdown requested\n')
+ if not io_loop:
+ sys.exit(0)
+ io_loop.stop()
+
+
+signal.signal(signal.SIGTERM, handle_sigterm)
+
+UnixAddress = namedtuple('UnixAddress', ['path'])
+InetAddress = namedtuple('InetAddress', ['host', 'port'])
+
optspec = """
bup web [[hostname]:port]
+bup web unix://path
--
+human-readable display human readable file sizes (i.e. 3.9K, 4.7M)
+browser show repository in default browser (incompatible with unix://)
"""
o = options.Options(optspec)
(opt, flags, extra) = o.parse(sys.argv[1:])
if len(extra) > 1:
o.fatal("at most one argument expected")
-address = ('127.0.0.1', 8080)
-if len(extra) > 0:
- addressl = extra[0].split(':', 1)
- addressl[1] = int(addressl[1])
- address = tuple(addressl)
+if len(extra) == 0:
+ address = InetAddress(host='127.0.0.1', port=8080)
+else:
+ bind_url = extra[0]
+ if bind_url.startswith('unix://'):
+ address = UnixAddress(path=bind_url[len('unix://'):])
+ else:
+ addr_parts = extra[0].split(':', 1)
+ if len(addr_parts) == 1:
+ host = '127.0.0.1'
+ port = addr_parts[0]
+ else:
+ host, port = addr_parts
+ try:
+ port = int(port)
+ except (TypeError, ValueError) as ex:
+ o.fatal('port must be an integer, not %r', port)
+ address = InetAddress(host=host, port=port)
git.check_repo_or_die()
top = vfs.RefList(None)
sys.stdout = os.fdopen(sys.stdout.fileno(), 'w', 0)
application = tornado.web.Application([
- (r"(/.*)", BupRequestHandler),
+ (r"(?P<path>/.*)", BupRequestHandler),
], **settings)
-if __name__ == "__main__":
- http_server = tornado.httpserver.HTTPServer(application)
- http_server.listen(address[1], address=address[0])
-
- print "Serving HTTP on %s:%d..." % http_server._socket.getsockname()
- loop = tornado.ioloop.IOLoop.instance()
- loop.start()
-
+http_server = HTTPServer(application)
+io_loop_pending = IOLoop.instance()
+
+if isinstance(address, InetAddress):
+ http_server.listen(address.port, address.host)
+ try:
+ sock = http_server._socket # tornado < 2.0
+ except AttributeError as e:
+ sock = http_server._sockets.values()[0]
+ print "Serving HTTP on %s:%d..." % sock.getsockname()
+ if opt.browser:
+ browser_addr = 'http://' + address[0] + ':' + str(address[1])
+ io_loop_pending.add_callback(lambda : webbrowser.open(browser_addr))
+elif isinstance(address, UnixAddress):
+ unix_socket = bind_unix_socket(address.path)
+ http_server.add_socket(unix_socket)
+ print "Serving HTTP on filesystem socket %r" % address.path
+else:
+ log('error: unexpected address %r', address)
+ sys.exit(1)
+
+io_loop = io_loop_pending
+io_loop.start()
+
+if saved_errors:
+ log('WARNING: %d errors encountered while saving.\n' % len(saved_errors))
+ sys.exit(1)