Re: Contradiction in bus names naming in D-Bus spec
Lawrence D'Oliveiro <ldo-kC51rjc0cqs1dNLGKZg6taU/[email protected]>
| Newsgroups | gmane.comp.freedesktop.dbus |
|---|---|
| Organization | Geek Central |
| Message-ID | <[email protected]> |
On Sun, 31 Jan 2021 15:15:31 +0300, Igor Plastov wrote:
> It looks like I had found contradiction in bus names rules (
> https://dbus.freedesktop.org/doc/dbus-specification.html#message-protocol-messages),
> 2nd naming rule says:
> **Bus names are composed of 1 or more elements separated by a period
> ('.') character. All elements must contain at least one character.*
>
> 4th naming rules:
> **Bus names must contain at least one '.' (period) character (and
> thus at least two elements). *
>
> What is the right way of understanding of this two rules?
Follow what libdbus does. It is the reference implementation, after all:
ldo@theon:~> python3 -ic "import dbussy"
>>> dbussy.validate_bus_name("a.b")
True
>>> dbussy.validate_bus_name("a")
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/home/ldo/projects/dbussy/dbussy.py", line 5826, in validate_bus_name
my_error.raise_if_set()
File "/home/ldo/projects/dbussy/dbussy.py", line 5035, in raise_if_set
raise DBusError(self.name, self.message)
dbussy.DBusError: org.freedesktop.DBus.Error.InvalidArgs -- Bus name was not valid: 'a'
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