--- /dev/null
+#! /usr/local/bin/python -O
+"""This file is a part of XSetBg.
+Author: Oleg BroytMann <phd@phd.pp.ru>
+Copyright (C) 2004-2006 PhiloSoft Design
+"""
+
+__version__ = "1.3.0"
+__author__ = "Oleg BroytMann <phd@phd.pp.ru>"
+__copyright__ = "Copyright (C) 2004-2006 PhiloSoft Design"
+__revision__ = "$Id$"[5:-2]
+__date__ = "$Date$"[7:-2]
+
+
+import sys, os, shelve
+
+def usage(code=0):
+ sys.stderr.write("Usage: %s [-0|--null] [-o|--old] [-w|--width] [width]\n" % sys.argv[0])
+ sys.exit(code)
+
+
+def get_args():
+ from getopt import getopt, GetoptError
+
+ try:
+ options, arguments = getopt(sys.argv[1:], "0ow:",
+ ["null", "old", "width="])
+ except GetoptError:
+ usage(1)
+
+ print0 = False
+ old = False
+ width = None
+
+ for option, value in options:
+ if option in ("-h", "--help"):
+ usage()
+ elif option in ("-0", "--null"):
+ print0 = True
+ elif option in ("-o", "--old"):
+ old = True
+ elif option in ("-w", "--width"):
+ width = int(value)
+ else:
+ usage(2)
+
+ if arguments:
+ if width is not None:
+ usage(3)
+ elif len(arguments) > 1:
+ usage(4)
+ else:
+ width = int(arguments[0])
+
+ return print0, old, width
+
+print0, old, width = get_args()
+
+
+xsetbg_dir = os.path.join(os.environ["HOME"], "lib", "xsetbg")
+os.chdir(xsetbg_dir)
+
+global_db_name = "xsetbg.db"
+filename_key = "filename"
+old_filename_key = "old_filename"
+
+global_db = shelve.open(global_db_name, flag='r')
+if old:
+ key = old_filename_key
+else:
+ key = filename_key
+filename = global_db[key]
+global_db.close()
+
+if width is not None:
+ lines = []
+ while filename:
+ lines.append(filename[:width])
+ filename = filename[width:]
+ filename = "\n".join(lines)
+
+sys.stdout.write(filename)
+
+if print0:
+ sys.stdout.write('\0')
+else:
+ print
--- /dev/null
+#! /usr/local/bin/python -O
+"""Select a random image from $HOME/lib/xsetbg/images subdirectories
+and set it as the desktop wallpaper (display it in the root window).
+
+Author: Oleg BroytMann <phd@phd.pp.ru>
+Copyright (C) 2000-2006 PhiloSoft Design
+"""
+
+__version__ = "2.17.0"
+__author__ = "Oleg BroytMann <phd@phd.pp.ru>"
+__copyright__ = "Copyright (C) 2000-2006 PhiloSoft Design"
+__revision__ = "$Id$"[5:-2]
+__date__ = "$Date$"[7:-2]
+
+
+import sys, os
+
+
+def usage():
+ sys.stderr.write("%s version %s\n" % (sys.argv[0], __version__))
+ sys.stderr.write("Usage: %s [force]\n" % sys.argv[0])
+ sys.exit(0)
+
+def error(error_str, error_code=1):
+ sys.stderr.write("%s: Error: %s\n" % (sys.argv[0], error_str))
+ sys.exit(error_code)
+
+
+xwininfo = os.popen("xwininfo -root", 'r')
+xwininfo_lines = xwininfo.read()
+rc = xwininfo.close()
+if rc:
+ error("calling xwininfo", rc)
+
+screen_width = None
+screen_height = None
+for line in xwininfo_lines.split('\n'):
+ line = line.strip()
+ if line.startswith("Width: "):
+ screen_width = int(line[len("Width: "):])
+ elif line.startswith("Height: "):
+ screen_height = int(line[len("Height: "):])
+
+if not screen_width or not screen_height:
+ error("parsing xwininfo output")
+
+
+from ConfigParser import SafeConfigParser
+
+xsetbg_dir = os.path.join(os.environ["HOME"], "lib", "xsetbg")
+os.chdir(xsetbg_dir)
+
+config = SafeConfigParser()
+config.read("xsetbg.conf")
+
+if config.has_option("images", "directory") or \
+ config.has_option("images", "directory0") or \
+ config.has_option("images", "directory1"):
+ image_dirs = []
+ if config.has_option("images", "directory"):
+ image_dirs.append(config.get("images", "directory"))
+ if config.has_option("images", "directory0"):
+ image_dirs.append(config.get("images", "directory0"))
+ if config.has_option("images", "directory1"):
+ image_dirs.append(config.get("images", "directory1"))
+ i = 2
+ while True:
+ option = "directory%d" % i
+ if config.has_option("images", option):
+ image_dirs.append(config.get("images", option))
+ i += 1
+ else:
+ break
+else:
+ image_dirs = ["images"]
+
+image_dirs = [os.path.join(xsetbg_dir,
+ os.path.expandvars(os.path.expanduser(dirname)))
+ for dirname in image_dirs
+]
+
+# minimum time in seconds between background image changes
+if config.has_option("xsetbg", "min_pause"):
+ min_pause = config.getint("xsetbg", "min_pause")
+else:
+ min_pause = 60
+
+borders = config.get("xsetbg", "borders").split(',')
+if config.has_option("xsetbg", "borders"):
+ borders = [border.strip() for border in config.get("xsetbg", "borders").split(',')]
+else:
+ borders = ["darkcyan", "steelblue", "midnightblue"]
+
+del config
+
+
+os.umask(0066) # octal; -rw-------; make the global persistent dictionary
+ # readable only by the user
+global_db_name = "xsetbg.db"
+
+
+import random
+import anydbm, shelve
+from time import time
+from fcntl import flock, LOCK_EX, LOCK_UN, LOCK_NB
+
+# Import pickle and all anydbm/shelve internal machinery, so that
+# when ReadyExec forks they will be ready.
+# Also create the database if it is not exists yet.
+
+try:
+ global_db = shelve.open(global_db_name, flag='c')
+except anydbm.error, msg:
+ if str(msg) == "db type could not be determined":
+ os.remove(global_db_name)
+ global_db = shelve.open(global_db_name, flag='c')
+
+global_db.close() # Close DB in parent process
+
+
+# DB keys
+timestamp_key = "timestamp"
+filename_key = "filename"
+old_filename_key = "old_filename"
+
+
+images = []
+
+for image_dir in image_dirs:
+ # List images in all subdirectories
+ for dirpath, dirs, files in os.walk(image_dir):
+ images.extend([os.path.join(dirpath, file) for file in files])
+
+if not images:
+ error("No images found. Abort.")
+
+
+try:
+ from PIL import Image
+ use_PIL = True
+except ImportError:
+ use_PIL = False
+
+
+def run():
+ if len(sys.argv) not in (1, 2):
+ usage()
+
+ force = False
+ if len(sys.argv) == 2:
+ if sys.argv[1] == "force":
+ force = True
+ else:
+ usage()
+
+ # Use the program's file as the lock file:
+ # lock it to prevent two processes run in parallel.
+ lock_file = open("xsetbg.py", 'r')
+ try:
+ flock(lock_file , LOCK_EX|LOCK_NB)
+ except IOError: # already locked
+ lock_file.close()
+ return
+
+
+ global_db = None
+ try:
+ # Re-seed the RNG; this is neccessary because ReadyExecd forks
+ # and RNG in a child process got the same seed from the parent
+ # after every fork.
+ random.seed()
+
+ # Reopen the global persistent dictionary
+ global_db = shelve.open(global_db_name, 'w')
+
+ timestamp = global_db.get(timestamp_key)
+ current_time = time()
+
+ if not force and timestamp is not None and \
+ current_time - timestamp < min_pause: # Too early to change background
+ return
+
+ # Save current time
+ global_db[timestamp_key] = current_time
+
+ border = random.choice(borders)
+ image_name = random.choice(images)
+ root, ext = os.path.splitext(image_name)
+
+ # Save filename
+ if global_db.has_key(filename_key):
+ global_db[old_filename_key] = global_db[filename_key]
+ global_db[filename_key] = image_name
+
+ placement_options = []
+ if use_PIL:
+ image = Image.open(image_name, 'r')
+ im_w, im_h = image.size
+ del image
+ if (im_w > screen_width) or (im_h > screen_height):
+ zoom = min(screen_width*100//im_w, screen_height*100//im_h)
+ if zoom > 0: placement_options = ["-zoom", str(zoom)]
+
+ finally:
+ # Unlock and close the lock file
+ flock(lock_file , LOCK_UN)
+ lock_file.close()
+ # Flush and close the global persistent dictionary
+ if global_db: global_db.close()
+
+
+ if ext.lower() in (".bmp", ".png"):
+ # xsetbg does not recognize BMP files.
+ # PNG files have gamma settings, and xli can adapt it to the display gamma;
+ # xloadimage/xview/xsetbg display them with wrong gamma.
+ program_options = ["xli", "xli", "-onroot", "-quiet"] + placement_options + \
+ ["-center", "-border", border, image_name]
+ os.execlp(*program_options)
+ error("cannot execute xli!")
+ else:
+ # ...but xli failed to load many image types, use xsetbg for them
+ program_options = ["xsetbg", "xsetbg"] + placement_options + \
+ ["-center", "-border", border, image_name]
+ os.execlp(*program_options)
+ error("cannot execute xsetbg!")
+
+
+if __name__ == "__main__":
+ run()
projects / xsetbg.git / commitdiff