Initial code posted.

.gitignore

@@ -1,3 +1,5 @@
 dist
 build
 *.pyc
+*.egg
+*.tar.gz

detools/de.py

@@ -0,0 +1,46 @@
+#!/usr/bin/env python
+
+import os
+import sys
+
+def get_desktop_environment():
+	if sys.platform in ["win32", "cygwin"]:
+		return "windows"
+	elif sys.platform == "darwin":
+		return "mac"
+	else: #Most likely either a POSIX system or something not much common
+		desktop_session = os.environ.get("DESKTOP_SESSION")
+		if desktop_session is not None: #easier to match if we doesn't have  to deal with caracter cases
+			desktop_session = desktop_session.lower()
+			if desktop_session in ["gnome","unity", "cinnamon", "mate", "xfce4", "lxde", "fluxbox", 
+								   "blackbox", "openbox", "icewm", "jwm", "afterstep","trinity", "kde"]:
+				return desktop_session
+			## Special cases ##
+			# Canonical sets $DESKTOP_SESSION to Lubuntu rather than LXDE if using LXDE.
+			# There is no guarantee that they will not do the same with the other desktop environments.
+			elif "xfce" in desktop_session or desktop_session.startswith("xubuntu"):
+				return "xfce4"
+			elif desktop_session.startswith("ubuntu"):
+				return "unity"       
+			elif desktop_session.startswith("lubuntu"):
+				return "lxde" 
+			elif desktop_session.startswith("kubuntu"): 
+				return "kde" 
+			elif desktop_session.startswith("razor"): # e.g. razorkwin
+				return "razor-qt"
+			elif desktop_session.startswith("wmaker"): # e.g. wmaker-common
+				return "windowmaker"
+		if os.environ.get('KDE_FULL_SESSION') == 'true':
+			return "kde"
+		elif os.environ.get('GNOME_DESKTOP_SESSION_ID'):
+			if not "deprecated" in os.environ.get('GNOME_DESKTOP_SESSION_ID'):
+				return "gnome2"
+		#From http://ubuntuforums.org/showthread.php?t=652320
+		elif self.is_running("xfce-mcs-manage"):
+			return "xfce4"
+		elif self.is_running("ksmserver"):
+			return "kde"
+	return "unknown"
+
+if __name__ == "__main__":
+	print(get_desktop_environment())

detools/imagefinder.py

@@ -0,0 +1,57 @@
+#!/usr/bin/env python
+
+import requests
+from bs4 import BeautifulSoup
+import urlparse
+
+class NoImageFound(Exception):
+	def __init__(self, url):
+		self.url = url
+	def __str__(self):
+		return "Could not find an image for the url %s" % self.url
+
+def get_image_links(soup):
+	links = []
+	links.extend(soup.select('.image a')) # imgur
+	links.extend(soup.select('a.js-download')) # pexels
+	links.extend(soup.select('#allsizes-photo img')) # flickr
+	links.extend(soup.select('a[imageanchor]')) # blogspot
+	links.extend(soup.select('.dev-view-deviation img')) # deviantart
+	links.extend(soup.select('img#wallpaper')) # wallhaven
+	links.extend(soup.select('.post a img')) # imgur
+	return links
+
+def get_image_request(url, follow=True):
+	url = urlparse.urlparse(url, 'http')
+	r = requests.get(url.geturl())
+	content_type = r.headers['content-type'].split(';')[0]
+	if follow and 'location' in r.headers:
+		return get_image_request(r.headers['location'], False)
+	if follow and content_type == 'text/html':
+		soup = BeautifulSoup(r.text)
+		links = get_image_links(soup)
+		if len(links) == 0:
+			raise NoImageFound(url.geturl())
+		link = links[0]
+		link_url = None
+		if link.has_attr('href'):
+			link_url = link['href']
+		elif link.has_attr('src'):
+			link_url = link['src']
+		if link_url is None:
+			raise NoImageFound(url.geturl())
+		return get_image_request(link_url, False)
+	if not content_type.startswith('image/'):
+		raise NoImageFound(url.geturl())
+	return r
+
+if __name__ == "__main__":
+	import praw
+
+	r = praw.Reddit(user_agent='reddwall:v1.0.1 (by /u/mjbauer95)')
+
+	for submission in r.get_subreddit('wallpaper').get_hot(limit=100):
+		try:
+			get_image_request(submission.url)
+		except NoImageFound:
+			print(submission.url)

wallpaper.py → detools/wallpaper.py

@@ -1,10 +1,13 @@
 #!/usr/bin/env python
 
-import os
 import sys
 import subprocess
+import tempfile
+import de
 
 class WallpaperSetter:
+	def __init__(self, environment):
+		self.environment = environment
 	def set_wallpaper(self, filename):
 		pass
 
@@ -90,60 +93,36 @@ def get_args(self, filename):
 class MacWallpaperSetter(PopenWallpaperSetter):
 	def get_args(self, filename):
 		return 'osascript -e "tell application \\"Finder\\" to set desktop picture to POSIX file \\"%s\\""' % filename
-
 wallpaper_setters["mac"] = MacWallpaperSetter
 
-def get_desktop_environment():
-	if sys.platform in ["win32", "cygwin"]:
-		return "windows"
-	elif sys.platform == "darwin":
-		return "mac"
-	else: #Most likely either a POSIX system or something not much common
-		desktop_session = os.environ.get("DESKTOP_SESSION")
-		if desktop_session is not None: #easier to match if we doesn't have  to deal with caracter cases
-			desktop_session = desktop_session.lower()
-			if desktop_session in ["gnome","unity", "cinnamon", "mate", "xfce4", "lxde", "fluxbox", 
-								   "blackbox", "openbox", "icewm", "jwm", "afterstep","trinity", "kde"]:
-				return desktop_session
-			## Special cases ##
-			# Canonical sets $DESKTOP_SESSION to Lubuntu rather than LXDE if using LXDE.
-			# There is no guarantee that they will not do the same with the other desktop environments.
-			elif "xfce" in desktop_session or desktop_session.startswith("xubuntu"):
-				return "xfce4"
-			elif desktop_session.startswith("ubuntu"):
-				return "unity"       
-			elif desktop_session.startswith("lubuntu"):
-				return "lxde" 
-			elif desktop_session.startswith("kubuntu"): 
-				return "kde" 
-			elif desktop_session.startswith("razor"): # e.g. razorkwin
-				return "razor-qt"
-			elif desktop_session.startswith("wmaker"): # e.g. wmaker-common
-				return "windowmaker"
-		if os.environ.get('KDE_FULL_SESSION') == 'true':
-			return "kde"
-		elif os.environ.get('GNOME_DESKTOP_SESSION_ID'):
-			if not "deprecated" in os.environ.get('GNOME_DESKTOP_SESSION_ID'):
-				return "gnome2"
-		#From http://ubuntuforums.org/showthread.php?t=652320
-		elif self.is_running("xfce-mcs-manage"):
-			return "xfce4"
-		elif self.is_running("ksmserver"):
-			return "kde"
-	return "unknown"
-
 def get_wallpaper_setter():
-	environment = get_desktop_environment()
+	environment = de.get_desktop_environment()
 	if environment in wallpaper_setters:
-		return wallpaper_setters[environment]()
-	return None
+		return wallpaper_setters[environment](environment)
+	return WallpaperSetter(environment)
+
+class WallpaperSetterError(Exception):
+	def __init__(self, environment):
+		self.environment = environment
+	def __str__(self):
+		return "Cannot set wallpaper for %s" % self.environment
 
 def set_wallpaper(filename):
 	wallpaper_setter = get_wallpaper_setter()
 	if wallpaper_setter is not None:
-		wallpaper_setter.set_wallpaper(filename)
+		try:
+			wallpaper_setter.set_wallpaper(filename)
+		except:
+			raise WallpaperSetterError(wallpaper_setter.environment)
 	else:
-		raise Exception("Wallpaper could not be set because you're desktop is not recognized.")
+		raise WallpaperSetterError(wallpaper_setter.environment)
+
+def set_wallpaper_request(request):
+	i, path = tempfile.mkstemp()
+	with open(path, 'wb') as fo:
+		for chunk in request.iter_content(4096):
+			fo.write(chunk)
+	set_wallpaper(path)
 
 if __name__ == "__main__":
 	if len(sys.argv) > 1:

praw.ini

@@ -0,0 +1,98 @@
+[DEFAULT]
+# Time, a float, in seconds, required between calls. See:
+# http://code.reddit.com/wiki/API
+api_request_delay: 2.0
+
+# A boolean to indicate whether or not to check for package updates.
+check_for_updates: True
+
+# Time, a float, in seconds, to save the results of a get/post request.
+cache_timeout: 30
+
+# A boolean to indicate if html entities should be decoded
+decode_html_entities: False
+
+# Whether or not to use HTTPS for oauth connections. This should only be
+# changed for development environments.
+oauth_https: True
+
+# The maximum length of unicode representations of Comment, Message and
+# Submission objects. This is mainly used to fit them within a terminal window
+# line. A negative value means no limit.
+output_chars_limit: 80
+
+# Maximum time, a float, in seconds, before a single HTTP request times
+# out. urllib2.URLError is raised upon timeout.
+timeout: 45
+
+# Object to kind mappings
+comment_kind:    t1
+message_kind:    t4
+redditor_kind:   t2
+submission_kind: t3
+subreddit_kind:  t5
+
+# Log the API calls
+# 0: no logging
+# 1: log only the request URIs
+# 2: log the request URIs as well as any POST data
+log_requests: 0
+
+# A boolean to indicate if json_dict, which contains the original API response,
+# should be stored on every object in the json_dict attribute. Default is
+# False as memory usage will double if enabled.
+store_json_result: False
+
+[reddit]
+domain: www.reddit.com
+oauth_domain: oauth.reddit.com
+short_domain: redd.it
+ssl_domain: ssl.reddit.com
+
+[reddit_bypass_cdn]
+domain: api.reddit.com
+oauth_domain: oauth.reddit.com
+short_domain: redd.it
+ssl_domain: ssl.reddit.com
+
+[reddit_bypass_cdn_oauth_test]
+domain: www.reddit.com
+short_domain: redd.it
+ssl_domain: ssl.reddit.com
+oauth_domain: oauth.reddit.com
+oauth_client_id: stJlUSUbPQe5lQ
+oauth_client_secret: iU-LsOzyJH7BDVoq-qOWNEq2zuI
+oauth_redirect_uri: https://127.0.0.1:65010/authorize_callback
+
+[reddit_oauth_test]
+domain: www.reddit.com
+short_domain: redd.it
+ssl_domain: ssl.reddit.com
+oauth_domain: oauth.reddit.com
+oauth_client_id: stJlUSUbPQe5lQ
+oauth_client_secret: iU-LsOzyJH7BDVoq-qOWNEq2zuI
+oauth_redirect_uri: https://127.0.0.1:65010/authorize_callback
+
+[local]
+domain: reddit.local
+api_request_delay: 0
+
+message_kind:    t7
+submission_kind: t6
+subreddit_kind:  t5
+log_requests: 0
+
+[local_oauth_test]
+domain: reddit.local
+api_request_delay: 0
+
+message_kind:    t7
+submission_kind: t6
+subreddit_kind:  t5
+log_requests: 0
+
+oauth_https: False
+oauth_domain: reddit.local
+oauth_client_id: gXMPrZscuuUgaw
+oauth_client_secret: JfmLYwwsP9Dj2z513JdTEOeXEaQ
+oauth_redirect_uri: http://127.0.0.1:65010/authorize_callback