Added comments to buffers.py

This commit is contained in:
Manuel Cortez 2018-01-14 14:55:53 -06:00
parent 0e83c7368d
commit fc76b3929b
2 changed files with 58 additions and 15 deletions

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@ -1,4 +1,4 @@
% Changelog
# Changelog
## Changes in the current build ()

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@ -1,4 +1,5 @@
# -*- coding: utf-8 -*-
""" A buffer is a (virtual) list of items. All items belongs to a category (wall posts, messages, persons...)"""
import languageHandler
import arrow
import wx
@ -28,27 +29,37 @@ class baseBuffer(object):
""" a basic representation of a buffer. Other buffers should be derived from this class"""
def get_post(self):
""" Returns the currently focused post."""
return self.session.db[self.name]["items"][self.tab.list.get_selected()]
def __init__(self, parent=None, name="", session=None, composefunc=None, *args, **kwargs):
""" parent wx.Treebook: parent for the buffer panel,
""" Constructor:
parent wx.Treebook: parent for the buffer panel,
name str: Name for saving this buffer's data in the local storage variable,
session sessionmanager.session.vkSession: Session for performing operations in the Vk API. This session should be logged in when this class is instanciated.
composefunc str: This function will be called for composing the result which will be put in the listCtrl. Composefunc should existss in the sessionmanager.session module.
args and kwargs will be passed to get_items()"""
args and kwargs will be passed to get_items() without any filtering. Be careful there."""
super(baseBuffer, self).__init__()
self.args = args
self.kwargs = kwargs
# Create GUI associated to this buffer.
self.create_tab(parent)
# Add the name to the new control so we could look for it when needed.
# Add name to the new control so we could look for it when needed.
self.tab.name = name
self.session = session
self.compose_function = composefunc
#Update_function will be called every 3 minutes and it should be able to
# Get all new items in the buffer and sort them properly in the CtrlList.
# ToDo: Shall we allow dinamically set for update_function?
self.update_function = "get_page"
self.name = name
# Bind local events (they will respond to events happened in the buffer).
self.connect_events()
# source_key and post_key will point to the keys for sender and posts in VK API objects.
# They can be changed in the future for other item types in different buffers.
self.user_key = "source_id"
self.post_key = "post_id"
# When set to False, update_function won't be executed here.
self.can_get_items = True
def create_tab(self, parent):
@ -85,14 +96,19 @@ class baseBuffer(object):
return retrieved
def get_more_items(self):
""" Returns previous items in the buffer."""
self.get_items(show_nextpage=True)
def post(self, *args, **kwargs):
""" Create a post in the current user's wall.
This process is handled in two parts. This is the first part, where the GUI is created and user can send the post.
During the second part (threaded), the post will be sent to the API."""
p = messages.post(session=self.session, title=_(u"Write your post"), caption="", text="")
if p.message.get_response() == widgetUtils.OK:
call_threaded(self.do_last, p=p)
def do_last(self, p):
""" Second part of post function. Here everything is going to be sent to the API"""
msg = p.message.get_text().encode("utf-8")
privacy_opts = p.get_privacy_options()
attachments = ""
@ -108,6 +124,9 @@ class baseBuffer(object):
p.message.Destroy()
def upload_attachments(self, attachments):
""" Upload attachments to VK before posting them.
Returns attachments formatted as string, as required by VK API.
Currently this function only supports photos."""
# To do: Check the caption and description fields for this kind of attachments.
local_attachments = ""
uploader = upload.VkUpload(self.session.vk.client)
@ -123,6 +142,7 @@ class baseBuffer(object):
return local_attachments
def connect_events(self):
""" Bind all events to this buffer"""
widgetUtils.connect_event(self.tab.post, widgetUtils.BUTTON_PRESSED, self.post)
widgetUtils.connect_event(self.tab.list.list, widgetUtils.KEYPRESS, self.get_event)
widgetUtils.connect_event(self.tab.list.list, wx.EVT_LIST_ITEM_RIGHT_CLICK, self.show_menu)
@ -130,6 +150,7 @@ class baseBuffer(object):
self.tab.set_focus_function(self.onFocus)
def show_menu(self, ev, pos=0, *args, **kwargs):
""" Show contextual menu when pressing menu key or right mouse click in a list item."""
if self.tab.list.get_count() == 0: return
menu = self.get_menu()
if pos != 0:
@ -138,12 +159,14 @@ class baseBuffer(object):
self.tab.PopupMenu(menu, ev.GetPosition())
def show_menu_by_key(self, ev):
""" Show contextual menu when menu key is pressed"""
if self.tab.list.get_count() == 0:
return
if ev.GetKeyCode() == wx.WXK_WINDOWS_MENU:
self.show_menu(widgetUtils.MENU, pos=self.tab.list.list.GetPosition())
def get_menu(self):
""" Returns contextual menu options. They will change according to the focused item"""
m = menus.postMenu()
p = self.get_post()
if p.has_key("likes") == False:
@ -161,6 +184,7 @@ class baseBuffer(object):
return m
def do_like(self, *args, **kwargs):
""" Set like in the currently focused post."""
post = self.get_post()
user = post[self.user_key]
id = post[self.post_key]
@ -175,6 +199,7 @@ class baseBuffer(object):
output.speak(_(u"You liked this"))
def do_dislike(self, *args, **kwargs):
""" Set dislike (undo like) in the currently focused post."""
post = self.get_post()
user = post[self.user_key]
id = post[self.post_key]
@ -189,6 +214,7 @@ class baseBuffer(object):
output.speak(_(u"You don't like this"))
def do_comment(self, *args, **kwargs):
""" Make a comment into the currently focused post."""
comment = messages.comment(title=_(u"Add a comment"), caption="", text="")
if comment.message.get_response() == widgetUtils.OK:
msg = comment.message.get_text().encode("utf-8")
@ -202,6 +228,7 @@ class baseBuffer(object):
log.error(msg)
def get_event(self, ev):
""" Parses keyboard input in the ListCtrl and executes the event associated with user keypresses."""
if ev.GetKeyCode() == wx.WXK_RETURN and ev.ControlDown() and ev.ShiftDown(): event = "pause_audio"
elif ev.GetKeyCode() == wx.WXK_RETURN and ev.ControlDown(): event = "play_audio"
elif ev.GetKeyCode() == wx.WXK_RETURN: event = "open_post"
@ -217,31 +244,32 @@ class baseBuffer(object):
pass
def volume_down(self):
""" Decreases player volume by 5%"""
player.player.volume = player.player.volume-5
def volume_up(self):
""" Increases player volume by 5%"""
player.player.volume = player.player.volume+5
def play_audio(self, *args, **kwargs):
selected = self.tab.list.get_selected()
if selected == -1:
selected = 0
post = self.session.db[self.name]["items"][selected]
""" Play audio in currently focused buffer, if possible."""
post = self.get_post()
if post.has_key("type") and post["type"] == "audio":
pub.sendMessage("play-audio", audio_object=post["audio"]["items"][0])
return True
def open_person_profile(self, *args, **kwargs):
""" Views someone's user profile."""
selected = self.get_post()
print selected.keys()
# Check all possible keys for an user object in VK API.
keys = ["from_id", "source_id", "id"]
for i in keys:
if selected.has_key(i):
pub.sendMessage("user-profile", person=selected[i])
print selected[i]
def open_post(self, *args, **kwargs):
post = self.session.db[self.name]["items"][self.tab.list.get_selected()]
""" Opens the currently focused post."""
post = self.get_post()
if post.has_key("type") and post["type"] == "audio":
a = posts.audio(self.session, post["audio"]["items"])
a.dialog.get_response()
@ -252,12 +280,16 @@ class baseBuffer(object):
pub.sendMessage("open-post", post_object=post, controller_="postController")
def pause_audio(self, *args, **kwargs):
""" pauses audio playback."""
player.player.pause()
def remove_buffer(self, mandatory): return False
def remove_buffer(self, mandatory):
""" Function for removing a buffer. Returns True if removal is successful, False otherwise"""
return False
def get_users(self):
post = self.session.db[self.name]["items"][self.tab.list.get_selected()]
""" Returns source user in the post."""
post = self.get_post()
if post.has_key("type") == False:
return [post["from_id"]]
else:
@ -266,15 +298,16 @@ class baseBuffer(object):
def onFocus(self, *args,**kwargs):
""" Function executed when the item in a list is selected.
For this buffer it updates the date of posts in the list."""
post = self.session.db[self.name]["items"][self.tab.list.get_selected()]
post = self.get_post()
original_date = arrow.get(post["date"])
created_at = original_date.humanize(locale=languageHandler.getLanguage())
self.tab.list.list.SetStringItem(self.tab.list.get_selected(), 2, created_at)
class feedBuffer(baseBuffer):
""" This buffer represents an user's wall. It may be used either for the current user or someone else."""
def get_items(self, show_nextpage=False):
""" Update buffer with newest items or get older items in the buffer."""
if self.can_get_items == False: return
retrieved = True
try:
@ -293,6 +326,7 @@ class feedBuffer(baseBuffer):
return retrieved
def remove_buffer(self, mandatory=False):
""" Remove buffer if the current buffer is not the logged user's wall."""
if "me_feed" == self.name:
output.speak(_(u"This buffer can't be deleted"))
return False
@ -313,6 +347,9 @@ class feedBuffer(baseBuffer):
self.post_key = "id"
class audioBuffer(feedBuffer):
""" this buffer was supposed to be used with audio elements
but is deprecated as VK removed its audio support for third party apps."""
def create_tab(self, parent):
self.tab = home.audioTab(parent)
@ -429,6 +466,8 @@ class audioBuffer(feedBuffer):
return m
class audioAlbum(audioBuffer):
""" this buffer was supposed to be used with audio albums
but is deprecated as VK removed its audio support for third party apps."""
def create_tab(self, parent):
self.tab = home.audioAlbumTab(parent)
@ -448,6 +487,8 @@ class audioAlbum(audioBuffer):
self.tab.play_all.Enable(True)
class videoBuffer(feedBuffer):
""" This buffer represents video elements, and it can be used for showing videos for the logged user or someone else."""
def create_tab(self, parent):
self.tab = home.videoTab(parent)
@ -456,6 +497,8 @@ class videoBuffer(feedBuffer):
super(videoBuffer, self).connect_events()
def play_audio(self, *args, **kwargs):
""" Due to inheritance this method should be called play_audio, but play the currently focused video.
Opens a webbrowser pointing to the video's URL."""
selected = self.tab.list.get_selected()
if selected == -1:
selected = 0