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#!/usr/bin/env python
# t00mblr - a GTK tumblr client
# By: Jaap Broekhuizen <jaapz.b@gmail.com>
# Website: blog.jaapz.nl
#
# License:
# This file is part of t00mblr.
#
# t00mblr 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 3 of the License, or
# (at your option) any later version.
#
# t00mblr 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 t00mblr. If not, see <http://www.gnu.org/licenses/>.
'''This renders the tumblr api xml output'''
import urllib
import Image
from lxml import etree
from string import Template
from common import d
import common as c
class ConnectionException():
pass
class NoAuthenticationException():
pass
class renderer():
blog = None
xml = None
template = "./templates/main.tpl"
wait = "./templates/wait.tpl"
error_template = "./templates/error.tpl"
api = None
backup_file = "./blog.save"
def __init__(self, blog, api):
"""
Renderer main init
"""
self.blog = blog
self.api = api
def get_blog(self):
"""
Retrieves the blog xml from the tumblr api
"""
if self.api.check_auth():
try:
d.debug("Downloading stream xml")
stream = urllib.urlopen("http://www.tumblr.com/api/dashboard?email="+c.get_username()+"&password="+c.get_password())
self.xml = stream.read()
self.tumblr = etree.fromstring(self.xml)
except Exception, e:
d.error("Failed retrieving the xml")
raise ConnectionException
else:
raise NoAuthenticationException
def parse_blog(self):
"""
Parses the xml into webkit-viewable html
"""
self.get_blog()
backup = self.open_backup()
if backup != self.xml:
posts = self.tumblr[1]
caption = ""
content = ""
for post in posts:
text = post[0].text
#poster = self.get_poster(post)
type = self.get_type(post)
media = self.get_media(post)
if type == "photo":
width = c.get_size("w")
image_width = self.get_width(post)
image_height = self.get_height(post)
if image_width >= width:
width, height = self.calculate_image_height(image_width-40.00, image_height-40.00, width-40.00)
else:
height = image_height
width = image_width
media = '<img src="' + media + '" height="'+str(height)+'" width="' +str(width)+ '"/>'
content += "<div class=\"post\">" + media + text + "</div>"
elif type == "audio":
content += "<div class=\"post\">" + media + text + "</div>"
elif type == "quote":
content += "<div class=\"post\">" + text + "<p><strong>" + media + "</strong></p></div>"
elif type == "regular":
content += "<div class=\"post\">"+ text +"</div>"
replaced = self.fill_template(content)
self.save_backup(self.xml)
return replaced
else:
d.debug("Stream is the same")
return False
"""
TODO:
loop through text list - DONE
print captions into divs - DONE
get names by posts
get images by captions - DONE
"""
def get_media(self, source):
"""
Gets the photo, video or audio posted
"""
return source[1].text
def get_type(self, source):
"""
Gets user name of the poster
"""
return source.items()[3][1]
def get_width(self, source):
"""
Gets image width from feed
"""
return int(source.items()[10][1])
def get_height(self, source):
"""
Gets image height from feed
"""
return int(source.items()[11][1])
def fill_template(self, content):
"""
Create the template with variables
"""
c.get_config()
bg = self.convert_hex(c.config.get("Theme","background"))
fg = self.convert_hex(c.config.get("Theme","foreground"))
fc = self.convert_hex(c.config.get("Theme","font"))
br = self.convert_hex(c.config.get("Theme","border"))
bs = c.config.get("Theme","border-size")
file = open(self.template, 'r')
html = Template(file.read())
return html.substitute(cont=content, background=bg, foreground=fg, font=fc, border=br, bordersize=bs)
def get_error_template(self):
file = open(self.error_template, 'r')
return file.read()
def get_noauth_template(self):
file = open(self.wait, 'r')
return file.read()
def convert_hex(self, colors):
"""
Converts 48-bit hex to 24-bit hex, in the poor mans way
"""
if len(colors) > 4:
return colors[0:3] + colors[5:7] + colors[9:11]
else:
return colors
def calculate_image_height(self, width, height, newwidth):
"""
Calculates new image height
"""
i = newwidth/width
return newwidth, i*height
def save_backup(self, blog):
"""
Saves the blog to a file
"""
file = open(self.backup_file, 'w')
file.writelines(blog)
file.close()
def open_backup(self):
"""
Open the backup file
"""
file = open(self.backup_file, 'r')
return file.read()
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