From: Oleg Broytman <phd@phdru.name>
Date: Tue, 7 Jan 2014 10:16:55 +0000 (+0400)
Subject: Open config in xsetbg_conf.py, open db in xsetbg_db.py
X-Git-Tag: v4.1.0~16
X-Git-Url: https://git.phdru.name/?p=xsetbg.git;a=commitdiff_plain;h=a337e26c169baecb75197b50db5fd734c39f6187

Open config in xsetbg_conf.py, open db in xsetbg_db.py
---

diff --git a/print-filename.py b/print-filename.py
index 91088c2..6348f68 100755
--- a/print-filename.py
+++ b/print-filename.py
@@ -8,11 +8,13 @@ This file is a part of XSetBg.
 """
 
 __author__ = "Oleg Broytman <phd@phdru.name>"
-__copyright__ = "Copyright (C) 2004-2012 PhiloSoft Design"
+__copyright__ = "Copyright (C) 2004-2014 PhiloSoft Design"
 __license__ = "GNU GPL"
 
 
-import sys, os, shelve
+import sys, os
+from xsetbg_conf import xsetbg_conf
+from xsetbg_db import xsetbg_db
 
 
 def usage(code=0):
@@ -53,27 +55,18 @@ def get_args():
 old, output_encoding = 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()
 
-from ConfigParser import SafeConfigParser
-config = SafeConfigParser()
-config.read("xsetbg.conf")
+filename = xsetbg_db[key]
+xsetbg_db.close()
 
-fs_encoding = config.get("images", "fs_encoding")
+fs_encoding = xsetbg_conf.get("images", "fs_encoding")
 filename = unicode(filename, fs_encoding)
 
 print filename.encode(output_encoding)
diff --git a/xsetbg.py b/xsetbg.py
index db49a1b..f4426ee 100755
--- a/xsetbg.py
+++ b/xsetbg.py
@@ -8,50 +8,47 @@ using xli program.
 """
 
 __author__ = "Oleg Broytman <phd@phdru.name>"
-__copyright__ = "Copyright (C) 2000-2012 PhiloSoft Design"
+__copyright__ = "Copyright (C) 2000-2014 PhiloSoft Design"
 __license__ = "GNU GPL"
 
 __all__ = ['host', 'port', 'change']
 
 
-import sys, os
-from ConfigParser import SafeConfigParser
-
 import anydbm
+from fcntl import flock, LOCK_EX, LOCK_UN, LOCK_NB
 from datetime import timedelta
+import os
 import random
 import re
 import shelve
 import subprocess
+import sys
 from time import time
-from fcntl import flock, LOCK_EX, LOCK_UN, LOCK_NB
+
+from xsetbg_conf import xsetbg_dir, xsetbg_conf
+from xsetbg_db import xsetbg_db_name, xsetbg_db
+
 
 def error(error_str, error_code=1):
    sys.stderr.write("%s: Error: %s\n" % (sys.argv[0], error_str))
    sys.exit(error_code)
 
 
-xsetbg_dir = os.path.dirname(os.path.abspath(__file__))
-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"):
+if xsetbg_conf.has_option("images", "directory") or \
+   xsetbg_conf.has_option("images", "directory0") or \
+   xsetbg_conf.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"))
+   if xsetbg_conf.has_option("images", "directory"):
+      image_dirs.append(xsetbg_conf.get("images", "directory"))
+   if xsetbg_conf.has_option("images", "directory0"):
+      image_dirs.append(xsetbg_conf.get("images", "directory0"))
+   if xsetbg_conf.has_option("images", "directory1"):
+      image_dirs.append(xsetbg_conf.get("images", "directory1"))
    i = 2
    while True:
       option = "directory%d" % i
-      if config.has_option("images", option):
-         image_dirs.append(config.get("images", option))
+      if xsetbg_conf.has_option("images", option):
+         image_dirs.append(xsetbg_conf.get("images", option))
          i += 1
       else:
          break
@@ -64,20 +61,20 @@ image_dirs = [os.path.join(xsetbg_dir,
 ]
 
 # minimum time in seconds between background image changes
-if config.has_option("xsetbg", "min_pause"):
-   min_pause = config.getint("xsetbg", "min_pause")
+if xsetbg_conf.has_option("xsetbg", "min_pause"):
+   min_pause = xsetbg_conf.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(',')]
+borders = xsetbg_conf.get("xsetbg", "borders").split(',')
+if xsetbg_conf.has_option("xsetbg", "borders"):
+   borders = [border.strip() for border in xsetbg_conf.get("xsetbg", "borders").split(',')]
 else:
    borders = ["darkcyan", "steelblue", "midnightblue"]
 
 # minimum time in seconds between occurences of the same image
-if config.has_option("xsetbg", "min_delay"):
-   min_delay = config.get("xsetbg", "min_delay")
+if xsetbg_conf.has_option("xsetbg", "min_delay"):
+   min_delay = xsetbg_conf.get("xsetbg", "min_delay")
 
    # Borrowed from http://stackoverflow.com/a/2765366
    td_re  = re.compile('(?:(?P<years>\d+)y)?(?:(?P<months>\d+)m)?(?:(?P<days>\d+)d)?(?:T(?:(?P<hours>\d+)h)?(?:(?P<minutes>\d+)m)?(?:(?P<seconds>\d+)s)?)?')
@@ -96,22 +93,17 @@ else:
    min_delay = 3600*24 # 24 hours
 
 # httpd settings
-if config.has_option("httpd", "host"):
-   host = config.get("httpd", "host")
+if xsetbg_conf.has_option("httpd", "host"):
+   host = xsetbg_conf.get("httpd", "host")
 else:
    host = 'localhost'
 
-if config.has_option("httpd", "port"):
-   port = config.getint("httpd", "port")
+if xsetbg_conf.has_option("httpd", "port"):
+   port = xsetbg_conf.getint("httpd", "port")
 else:
    error("Config must specify a port to listen. Abort.")
 
 
-os.umask(0066) # octal; -rw-------; make the global persistent dictionary
-               # readable only by the user
-global_db_name = "xsetbg.db"
-
-
 # DB keys
 timestamp_key = "timestamp"
 filename_key = "filename"
@@ -120,28 +112,31 @@ old_filename_key = "old_filename"
 
 # Create the database if it is not exists yet.
 
+os.umask(0066) # octal; -rw-------; make the global persistent dictionary
+               # readable only by the user
+
 try:
-   global_db = shelve.open(global_db_name, flag='c')
+   xsetbg_db = shelve.open(os.path.join(xsetbg_dir, xsetbg_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')
+      os.remove(xsetbg_db_name)
+      xsetbg_db = shelve.open(os.path.join(xsetbg_dir, xsetbg_db_name), flag='c')
 
 # Remove old filenames
 old_time = time() - min_delay
 
 to_delete = [timestamp_key]
-for key in global_db.keys():
-   if key.startswith('/') and global_db[key] < old_time:
+for key in xsetbg_db.keys():
+   if key.startswith('/') and xsetbg_db[key] < old_time:
       to_delete.append(key)
 
 for key in to_delete:
    try:
-      del global_db[key]
+      del xsetbg_db[key]
    except KeyError:
       pass
 
-global_db.close() # Close DB in the parent process
+xsetbg_db.close() # Close DB in the parent process
 
 
 images = []
@@ -166,12 +161,12 @@ def change(force=False):
       return
 
 
-   global_db = None
+   xsetbg_db = None
    try:
       # Reopen the global persistent dictionary
-      global_db = shelve.open(global_db_name, 'w')
+      xsetbg_db = shelve.open(os.path.join(xsetbg_dir, xsetbg_db_name), 'w')
 
-      timestamp = global_db.get(timestamp_key)
+      timestamp = xsetbg_db.get(timestamp_key)
       current_time = time()
 
       if not force and timestamp is not None and \
@@ -179,24 +174,24 @@ def change(force=False):
             return
 
       # Save current time
-      global_db[timestamp_key] = current_time
+      xsetbg_db[timestamp_key] = current_time
 
       # Select a random image and check if we've seen it recently;
       # loop until we can find a new image (never seen before) or old enough.
       for i in xrange(len(images)): # ensure the loop is not infinite
          image_name = random.choice(images)
-         if global_db.has_key(image_name):
-            image_time = global_db[image_name]
+         if xsetbg_db.has_key(image_name):
+            image_time = xsetbg_db[image_name]
             if current_time - image_time > min_delay:
                break
          else:
             break
-      global_db[image_name] = current_time
+      xsetbg_db[image_name] = current_time
 
       # Save filename
-      if global_db.has_key(filename_key):
-         global_db[old_filename_key] = global_db[filename_key]
-      global_db[filename_key] = image_name
+      if xsetbg_db.has_key(filename_key):
+         xsetbg_db[old_filename_key] = xsetbg_db[filename_key]
+      xsetbg_db[filename_key] = image_name
 
       program_options = ["xli", "-onroot", "-quiet"] + \
          ["-center", "-border", random.choice(borders), "-zoom", "auto",
@@ -211,4 +206,4 @@ def change(force=False):
       flock(lock_file, LOCK_UN)
       lock_file.close()
       # Flush and close the global persistent dictionary
-      if global_db: global_db.close()
+      if xsetbg_db: xsetbg_db.close()
diff --git a/xsetbg_conf.py b/xsetbg_conf.py
new file mode 100755
index 0000000..a77d678
--- /dev/null
+++ b/xsetbg_conf.py
@@ -0,0 +1,18 @@
+#! /usr/bin/env python
+"""XSetBg config
+
+"""
+
+__author__ = "Oleg Broytman <phd@phdru.name>"
+__copyright__ = "Copyright (C) 2014 PhiloSoft Design"
+__license__ = "GNU GPL"
+
+__all__ = ['xsetbg_conf']
+
+import os
+from ConfigParser import SafeConfigParser
+
+xsetbg_dir = os.path.dirname(os.path.abspath(__file__))
+
+xsetbg_conf = SafeConfigParser()
+xsetbg_conf.read(os.path.join(xsetbg_dir, 'xsetbg.conf'))
diff --git a/xsetbg_db.py b/xsetbg_db.py
new file mode 100755
index 0000000..4853afb
--- /dev/null
+++ b/xsetbg_db.py
@@ -0,0 +1,22 @@
+#! /usr/bin/env python
+"""XSetBg database
+
+"""
+
+__author__ = "Oleg Broytman <phd@phdru.name>"
+__copyright__ = "Copyright (C) 2014 PhiloSoft Design"
+__license__ = "GNU GPL"
+
+__all__ = ['xsetbg_db']
+
+import anydbm
+import os
+import shelve
+from xsetbg_conf import xsetbg_dir, xsetbg_conf
+
+xsetbg_db_name = "xsetbg.db"
+
+try:
+    xsetbg_db = shelve.open(os.path.join(xsetbg_dir, xsetbg_db_name), 'r')
+except anydbm.error:
+    xsetbg_db = None