services/presence/activity: wrap long lines, remove trailing whitespace

This commit is contained in:
Simon McVittie 2007-05-25 10:56:14 +01:00
parent cb84d5f8fd
commit a5ba8541a4

View File

@ -41,7 +41,7 @@ _logger = logging.getLogger('s-p-s.activity')
class Activity(ExportedGObject):
"""Represents a potentially shareable activity on the network.
"""
__gtype_name__ = "Activity"
__gsignals__ = {
@ -51,16 +51,19 @@ class Activity(ExportedGObject):
__gproperties__ = {
_PROP_ID : (str, None, None, None,
gobject.PARAM_READWRITE | gobject.PARAM_CONSTRUCT_ONLY),
gobject.PARAM_READWRITE |
gobject.PARAM_CONSTRUCT_ONLY),
_PROP_NAME : (str, None, None, None, gobject.PARAM_READWRITE),
_PROP_COLOR : (str, None, None, None, gobject.PARAM_READWRITE),
_PROP_TYPE : (str, None, None, None, gobject.PARAM_READWRITE),
_PROP_VALID : (bool, None, None, False, gobject.PARAM_READABLE),
_PROP_LOCAL : (bool, None, None, False,
gobject.PARAM_READWRITE | gobject.PARAM_CONSTRUCT_ONLY),
gobject.PARAM_READWRITE |
gobject.PARAM_CONSTRUCT_ONLY),
_PROP_JOINED : (bool, None, None, False, gobject.PARAM_READABLE),
_PROP_CUSTOM_PROPS : (object, None, None,
gobject.PARAM_READWRITE | gobject.PARAM_CONSTRUCT_ONLY)
gobject.PARAM_READWRITE |
gobject.PARAM_CONSTRUCT_ONLY)
}
_RESERVED_PROPNAMES = __gproperties__.keys()
@ -91,7 +94,7 @@ class Activity(ExportedGObject):
`custom-props` : dict
Activity-specific properties
"""
if not bus_name:
raise ValueError("DBus bus name must be valid")
if not object_id or not isinstance(object_id, int):
@ -118,10 +121,12 @@ class Activity(ExportedGObject):
self._custom_props = {}
# ensure no reserved property names are in custom properties
if kwargs.get(_PROP_CUSTOM_PROPS):
(rprops, cprops) = self._split_properties(kwargs.get(_PROP_CUSTOM_PROPS))
cprops = kwargs.get(_PROP_CUSTOM_PROPS)
if cprops is not None:
(rprops, cprops) = self._split_properties(cprops)
if len(rprops.keys()) > 0:
raise ValueError("Cannot use reserved property names '%s'" % ", ".join(rprops.keys()))
raise ValueError("Cannot use reserved property names '%s'"
% ", ".join(rprops.keys()))
if not kwargs.get(_PROP_ID):
raise ValueError("activity id is required")
@ -131,7 +136,8 @@ class Activity(ExportedGObject):
ExportedGObject.__init__(self, bus_name, self._object_path,
gobject_properties=kwargs)
if self.props.local and not self.props.valid:
raise RuntimeError("local activities require color, type, and name")
raise RuntimeError("local activities require color, type, and "
"name")
# If not yet valid, query activity properties
if not self.props.valid:
@ -139,12 +145,12 @@ class Activity(ExportedGObject):
def do_get_property(self, pspec):
"""Gets the value of a property associated with this activity.
pspec -- Property specifier
returns The value of the given property.
"""
if pspec.name == _PROP_ID:
return self._id
elif pspec.name == _PROP_NAME:
@ -162,13 +168,13 @@ class Activity(ExportedGObject):
def do_set_property(self, pspec, value):
"""Sets the value of a property associated with this activity.
pspec -- Property specifier
value -- Desired value
Note that the "type" property can be set only once; attempting to set it
to something different later will raise a RuntimeError.
Note that the "type" property can be set only once; attempting to set
it to something different later will raise a RuntimeError.
"""
if pspec.name == _PROP_ID:
if self._id:
@ -197,14 +203,15 @@ class Activity(ExportedGObject):
self._update_validity()
def _update_validity(self):
"""Sends a "validity-changed" signal if this activity's validity has changed.
"""Sends a "validity-changed" signal if this activity's validity has
changed.
Determines whether this activity's status has changed from valid to
invalid, or invalid to valid, and emits a "validity-changed" signal
if either is true. "Valid" means that the object's type, ID, name,
colour and type properties have all been set to something valid
(i.e., not "None").
"""
try:
old_valid = self._valid
@ -223,7 +230,7 @@ class Activity(ExportedGObject):
signature="o")
def BuddyJoined(self, buddy_path):
"""Generates DBUS signal when a buddy joins this activity.
buddy_path -- DBUS path to buddy object
"""
pass
@ -232,7 +239,7 @@ class Activity(ExportedGObject):
signature="o")
def BuddyLeft(self, buddy_path):
"""Generates DBUS signal when a buddy leaves this activity.
buddy_path -- DBUS path to buddy object
"""
pass
@ -240,13 +247,14 @@ class Activity(ExportedGObject):
@dbus.service.signal(_ACTIVITY_INTERFACE,
signature="o")
def NewChannel(self, channel_path):
"""Generates DBUS signal when a new channel is created for this activity.
"""Generates DBUS signal when a new channel is created for this
activity.
channel_path -- DBUS path to new channel
XXX - what is this supposed to do? Who is supposed to call it?
What is the channel path? Right now this is never called.
"""
pass
@ -255,7 +263,7 @@ class Activity(ExportedGObject):
in_signature="", out_signature="s")
def GetId(self):
"""DBUS method to get this activity's ID
returns Activity ID
"""
return self.props.id
@ -264,7 +272,7 @@ class Activity(ExportedGObject):
in_signature="", out_signature="s")
def GetColor(self):
"""DBUS method to get this activity's colour
returns Activity colour
"""
return self.props.color
@ -273,27 +281,30 @@ class Activity(ExportedGObject):
in_signature="", out_signature="s")
def GetType(self):
"""DBUS method to get this activity's type
returns Activity type
"""
return self.props.type
@dbus.service.method(_ACTIVITY_INTERFACE, in_signature="", out_signature="",
async_callbacks=('async_cb', 'async_err_cb'))
@dbus.service.method(_ACTIVITY_INTERFACE,
in_signature="", out_signature="",
async_callbacks=('async_cb', 'async_err_cb'))
def Join(self, async_cb, async_err_cb):
"""DBUS method to for the local user to attempt to join the activity
async_cb -- Callback method to be called if join attempt is successful
async_err_cb -- Callback method to be called if join attempt is unsuccessful
async_err_cb -- Callback method to be called if join attempt is
unsuccessful
"""
self.join(async_cb, async_err_cb)
@dbus.service.method(_ACTIVITY_INTERFACE,
in_signature="", out_signature="ao")
def GetJoinedBuddies(self):
"""DBUS method to return a list of valid buddies who are joined in this activity
"""DBUS method to return a list of valid buddies who are joined in
this activity
returns A list of buddy object paths
"""
ret = []
@ -305,10 +316,11 @@ class Activity(ExportedGObject):
@dbus.service.method(_ACTIVITY_INTERFACE,
in_signature="", out_signature="soao")
def GetChannels(self):
"""DBUS method to get the list of channels associated with this activity
returns XXX - Not sure what this returns as get_channels doesn't actually return
a list of channels!
"""DBUS method to get the list of channels associated with this
activity
returns XXX - Not sure what this returns as get_channels doesn't
actually return a list of channels!
"""
return self.get_channels()
@ -316,7 +328,7 @@ class Activity(ExportedGObject):
in_signature="", out_signature="s")
def GetName(self):
"""DBUS method to get this activity's name
returns Activity name
"""
return self.props.name
@ -324,16 +336,17 @@ class Activity(ExportedGObject):
# methods
def object_path(self):
"""Retrieves our dbus.ObjectPath object
returns DBUS ObjectPath object
"""
return dbus.ObjectPath(self._object_path)
def get_joined_buddies(self):
"""Local method to return a list of valid buddies who are joined in this activity
"""Local method to return a list of valid buddies who are joined in
this activity
This method is called by the PresenceService on the local machine.
returns A list of buddy objects
"""
ret = []
@ -344,13 +357,15 @@ class Activity(ExportedGObject):
def buddy_joined(self, buddy):
"""Adds a buddy to this activity and sends a BuddyJoined signal
buddy -- Buddy object representing the buddy being added
Adds a buddy to this activity if the buddy is not already in the buddy list.
Adds a buddy to this activity if the buddy is not already in the
buddy list.
If this activity is "valid", a BuddyJoined signal is also sent.
This method is called by the PresenceService on the local machine.
"""
if buddy not in self._buddies:
self._buddies.append(buddy)
@ -359,13 +374,13 @@ class Activity(ExportedGObject):
def buddy_left(self, buddy):
"""Removes a buddy from this activity and sends a BuddyLeft signal.
buddy -- Buddy object representing the buddy being removed
Removes a buddy from this activity if the buddy is in the buddy list.
If this activity is "valid", a BuddyLeft signal is also sent.
This method is called by the PresenceService on the local machine.
"""
if buddy in self._buddies:
self._buddies.remove(buddy)
@ -374,11 +389,12 @@ class Activity(ExportedGObject):
def _handle_share_join(self, tp, text_channel):
"""Called when a join to a network activity was successful.
Called by the _shared_cb and _joined_cb methods.
"""
if not text_channel:
_logger.debug("Error sharing: text channel was None, shouldn't happen")
_logger.debug("Error sharing: text channel was None, shouldn't "
"happen")
raise RuntimeError("Plugin returned invalid text channel")
self._text_channel = text_channel
@ -409,16 +425,18 @@ class Activity(ExportedGObject):
def _share(self, (async_cb, async_err_cb), owner):
"""XXX - not documented yet
XXX - This method is called externally by the PresenceService despite the fact
that this is supposed to be an internal method!
XXX - This method is called externally by the PresenceService
despite the fact that this is supposed to be an internal method!
"""
_logger.debug("Starting share of activity %s" % self._id)
if self._joined:
async_err_cb(RuntimeError("Already shared activity %s" % self.props.id))
async_err_cb(RuntimeError("Already shared activity %s"
% self.props.id))
return
sigid = self._tp.connect('activity-shared', self._shared_cb)
self._tp.share_activity(self.props.id, (sigid, owner, async_cb, async_err_cb))
self._tp.share_activity(self.props.id, (sigid, owner, async_cb,
async_err_cb))
_logger.debug("done with share attempt %s" % self._id)
def _joined_cb(self, tp, activity_id, text_channel, exc, userdata):
@ -439,42 +457,45 @@ class Activity(ExportedGObject):
def join(self, async_cb, async_err_cb):
"""Local method for the local user to attempt to join the activity.
async_cb -- Callback method to be called if join attempt is successful
async_err_cb -- Callback method to be called if join attempt is unsuccessful
The two callbacks are passed to the server_plugin ("tp") object, which in turn
passes them back as parameters in a callback to the _joined_cb method; this
callback is set up within this method.
async_err_cb -- Callback method to be called if join attempt is
unsuccessful
The two callbacks are passed to the server_plugin ("tp") object,
which in turn passes them back as parameters in a callback to the
_joined_cb method; this callback is set up within this method.
"""
if self._joined:
async_err_cb(RuntimeError("Already joined activity %s" % self.props.id))
async_err_cb(RuntimeError("Already joined activity %s"
% self.props.id))
return
sigid = self._tp.connect('activity-joined', self._joined_cb)
self._tp.join_activity(self.props.id, (sigid, async_cb, async_err_cb))
def get_channels(self):
"""Local method to get the list of channels associated with this activity
returns XXX - expected a list of channels, instead returning a tuple? ???
"""Local method to get the list of channels associated with this
activity
returns XXX - expected a list of channels, instead returning a tuple?
"""
conn = self._tp.get_connection()
# FIXME add tubes and others channels
return str(conn.service_name), conn.object_path, [self._text_channel.object_path]
return (str(conn.service_name), conn.object_path,
[self._text_channel.object_path])
def leave(self):
"""Local method called when the user wants to leave the activity.
(XXX - doesn't appear to be called anywhere!)
"""
if self._joined:
self._text_channel[CHANNEL_INTERFACE].Close()
def _text_channel_closed_cb(self):
"""Callback method called when the text channel is closed.
This callback is set up in the _handle_share_join method.
"""
self._joined = False
@ -482,7 +503,7 @@ class Activity(ExportedGObject):
def send_properties(self):
"""Tells the Telepathy server what the properties of this activity are.
"""
props = {}
props['name'] = self._actname
@ -496,14 +517,16 @@ class Activity(ExportedGObject):
self._tp.set_activity_properties(self.props.id, props)
def set_properties(self, properties):
"""Sets name, colour and/or type properties for this activity all at once.
properties - Dictionary object containing properties keyed by property names
Note that if any of the name, colour and/or type property values is changed from
what it originally was, the update_validity method will be called, resulting in
a "validity-changed" signal being generated. Called by the PresenceService
on the local machine.
"""Sets name, colour and/or type properties for this activity all
at once.
properties - Dictionary object containing properties keyed by
property names
Note that if any of the name, colour and/or type property values is
changed from what it originally was, the update_validity method will
be called, resulting in a "validity-changed" signal being generated.
Called by the PresenceService on the local machine.
"""
changed = False
# split reserved properties from activity-custom properties
@ -525,7 +548,8 @@ class Activity(ExportedGObject):
if type != self._type:
# Type can never be changed after first set
if self._type:
_logger.debug("Activity type changed by network; this is illegal")
_logger.debug("Activity type changed by network; this "
"is illegal")
else:
self._type = type
changed = True
@ -539,10 +563,12 @@ class Activity(ExportedGObject):
def _split_properties(self, properties):
"""Extracts reserved properties.
properties - Dictionary object containing properties keyed by property names
returns a tuple of 2 dictionaries, reserved properties and custom properties
properties - Dictionary object containing properties keyed by
property names
returns a tuple of 2 dictionaries, reserved properties and custom
properties
"""
rprops = {}
cprops = {}