3 from twisted.python import usage
7 # unit tests can override these to point at StringIO instances
13 ["quiet", "q", "Operate silently."],
14 ["version", "V", "Display version numbers and exit."],
17 def opt_version(self):
19 print allmydata.get_package_versions_string()
25 ["multiple", "m", "allow multiple basedirs to be specified at once"],
28 def postOptions(self):
30 raise usage.UsageError("<basedir> parameter is required")
33 self['basedirs'] = [os.path.abspath(os.path.expanduser(b))
34 for b in self.basedirs]
36 def parseArgs(self, *args):
39 self.basedirs.append(self['basedir'])
41 self.basedirs.extend(args)
43 if len(args) == 0 and not self.basedirs:
44 if sys.platform == 'win32':
45 from allmydata.windows import registry
46 self.basedirs.append(registry.get_base_dir_path())
48 self.basedirs.append(os.path.expanduser("~/.tahoe"))
50 self.basedirs.append(args[0])
52 raise usage.UsageError("I wasn't expecting so many arguments")
54 class NoDefaultBasedirMixin(BasedirMixin):
55 def parseArgs(self, *args):
56 # create-client won't default to --basedir=~/.tahoe
59 self.basedirs.append(self['basedir'])
61 self.basedirs.extend(args)
64 self.basedirs.append(args[0])
66 raise usage.UsageError("I wasn't expecting so many arguments")
68 raise usage.UsageError("--basedir must be provided")
70 DEFAULT_ALIAS = "tahoe"
73 def get_aliases(nodedir):
74 from allmydata import uri
76 aliasfile = os.path.join(nodedir, "private", "aliases")
77 rootfile = os.path.join(nodedir, "private", "root_dir.cap")
79 f = open(rootfile, "r")
80 rootcap = f.read().strip()
82 aliases["tahoe"] = uri.from_string_dirnode(rootcap).to_string()
83 except EnvironmentError:
86 f = open(aliasfile, "r")
87 for line in f.readlines():
89 if line.startswith("#") or not line:
91 name, cap = line.split(":", 1)
92 # normalize it: remove http: prefix, urldecode
94 aliases[name] = uri.from_string_dirnode(cap).to_string()
95 except EnvironmentError:
99 class DefaultAliasMarker:
102 def get_alias(aliases, path, default):
103 # transform "work:path/filename" into (aliases["work"], "path/filename").
104 # If default=None, then an empty alias is indicated by returning
105 # DefaultAliasMarker. We special-case "URI:" to make it easy to access
106 # specific files/directories by their read-cap.
108 if path.startswith("URI:"):
109 # The only way to get a sub-path is to use URI:blah:./foo, and we
110 # strip out the :./ sequence.
111 sep = path.find(":./")
113 return path[:sep], path[sep+3:]
115 colon = path.find(":")
119 return DefaultAliasMarker, path
120 return aliases[default], path
123 # no alias, but there's a colon in a dirname/filename, like
126 return DefaultAliasMarker, path
127 return aliases[default], path
128 return aliases[alias], path[colon+1:]
130 def escape_path(path):
131 segments = path.split("/")
132 return "/".join([urllib.quote(s.encode('utf-8')) for s in segments])