def get_remote_lib_versions(c: typedict,
libs=(
"glib",
"gobject",
"gtk",
"gdk",
"cairo",
"pango",
"sound.gst",
"sound.pygst",
"python",
)):
versions = {}
for x in libs:
v = c.get("%s.version" % x, None)
if v is None:
#fallback to structured access:
d = c.get(x, None)
if isinstance(d, dict):
v = typedict(d).get("version", None)
if v:
if isinstance(v, (tuple, list)):
v = ".".join(str(p) for p in v)
versions[x] = bytestostr(v)
return versions
def is_needed(cls, caps: typedict) -> bool:
#pre 2.3 clients;
if caps.strget("mmap_file"):
return True
v = caps.get("mmap")
#we should be receiving a dict with mmap attributes
#(but pre v4 clients also send a boolean telling us if mmap is supported by the platform..)
return isinstance(v, dict)
def parse_server_capabilities(self, c: typedict) -> bool:
p = self._protocol
if p.TYPE == "rfb":
#only the xpra protocol provides the server info
return True
self._remote_machine_id = c.strget("machine_id")
self._remote_uuid = c.strget("uuid")
self._remote_version = c.strget("build.version", c.strget("version"))
self._remote_revision = c.strget("build.revision",
c.strget("revision"))
mods = c.get("build.local_modifications")
if mods and str(mods).find("dfsg") >= 0: # pragma: no cover
get_util_logger().warn(
"Warning: the xpra server is running a buggy Debian version")
get_util_logger().warn(
" those are usually out of date and unstable")
else:
self._remote_modifications = c.intget("build.local_modifications",
0)
self._remote_commit = c.strget("build.commit")
self._remote_branch = c.strget("build.branch")
self._remote_build_date = c.strget("build.date")
self._remote_build_time = c.strget("build.time")
self._remote_hostname = c.strget("hostname")
self._remote_display = c.strget("display")
self._remote_platform = c.strget("platform")
self._remote_platform_release = c.strget("platform.release")
self._remote_platform_platform = c.strget("platform.platform")
self._remote_python_version = c.strget("python.version")
self._remote_subcommands = c.strtupleget("subcommands")
self._remote_server_log = c.strget("server-log")
self._remote_lib_versions = get_remote_lib_versions(c)
#linux distribution is a tuple of different types, ie: ('Linux Fedora' , 20, 'Heisenbug')
pld = c.tupleget("platform.linux_distribution")
if pld and len(pld) == 3:
def san(v):
if isinstance(v, int):
return v
return bytestostr(v)
self._remote_platform_linux_distribution = [san(x) for x in pld]
verr = version_compat_check(self._remote_version)
if verr is not None:
self.warn_and_quit(
EXIT_INCOMPATIBLE_VERSION,
"incompatible remote version '%s': %s" %
(self._remote_version, verr))
return False
return True