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# Postr, a Flickr Uploader
#
# Copyright (C) 2006-2008 Ross Burton <ross@burtonini.com>
#
# This program is free software; you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free Software
# Foundation; either version 2, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
# details.
#
# You should have received a copy of the GNU General Public License along with
# this program; if not, write to the Free Software Foundation, Inc., 51 Franklin
# St, Fifth Floor, Boston, MA 02110-1301 USA
import gtk, os
import bsddb3
def greek(size):
"""Take a quantity (like 1873627) and display it in a human-readable rounded
form (like 1.8M)"""
_abbrevs = [
(1<<50L, 'P'),
(1<<40L, 'T'),
(1<<30L, 'G'),
(1<<20L, 'M'),
(1<<10L, 'k'),
(1, '')
]
for factor, suffix in _abbrevs:
if size > factor:
break
return "%.1f%s" % (float(size)/factor, suffix)
def get_widget_checked(glade, name):
"""Get widget name from glade, and if it doesn't exist raise an exception
instead of returning None."""
widget = glade.get_widget(name)
if widget is None: raise "Cannot find widget %s" % name
return widget
def get_glade_widgets (glade, object, widget_names):
"""Get the widgets in the list widget_names from the GladeXML object glade
and set them as attributes on object."""
for name in widget_names:
setattr(object, name, get_widget_checked(glade, name))
def get_thumb_size(srcw, srch, dstw, dsth):
"""Scale scrw x srch to an dimensions with the same ratio that fits as
closely as possible to dstw x dsth."""
scalew = dstw/float(srcw)
scaleh = dsth/float(srch)
scale = min(scalew, scaleh)
return (int(srcw * scale), int(srch * scale))
def align_labels(glade, names):
"""Add the list of widgets identified by names in glade to a horizontal
sizegroup."""
group = gtk.SizeGroup(gtk.SIZE_GROUP_HORIZONTAL)
widget = [group.add_widget(get_widget_checked(glade, name)) for name in names]
__buddy_cache = None
def get_buddyicon(flickr, data, size=48):
"""Lookup the buddyicon from the data in @data using @flickr and resize it
to @size pixels."""
from twisted.web.client import getPage
global __buddy_cache
if __buddy_cache is None:
folder = os.path.join (get_cache_path(), "postr")
if not os.path.exists(folder):
os.makedirs(folder)
path = os.path.join (folder, "buddyicons")
try:
__buddy_cache = bsddb3.hashopen(path, "c")
except bsddb3.db.DBInvalidArgError:
# The database needs upgrading, so delete it
os.remove(path)
__buddy_cache = bsddb3.hashopen(path, "c")
def load_thumb(page, size):
loader = gtk.gdk.PixbufLoader()
loader.set_size (size, size)
loader.write(page)
loader.close()
return loader.get_pixbuf()
def got_data(page, url, size):
__buddy_cache[url] = page
return load_thumb(page, size)
if int(data.get("iconfarm")) > 0:
url = "https://farm%s.static.flickr.com/%s/buddyicons/%s.jpg" % (data.get("iconfarm"), data.get("iconserver"), data.get("nsid"))
else:
url = "https://www.flickr.com/images/buddyicon.jpg"
if __buddy_cache.has_key(url):
from twisted.internet import defer
return defer.succeed(load_thumb(__buddy_cache[url], size))
else:
return getPage(url).addCallback(got_data, url, size)
def get_cache_path():
"""Return the location of the XDG cache directory."""
return os.environ.get("XDG_CACHE_HOME", os.path.expanduser("~/.cache/"))
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