when init -> update config file with papers-directory

papers/commands/init_cmd.py

@@ -20,9 +20,10 @@ def parser(subparsers, config):
 def command(config, ui, path, doc_dir):
     """Create a .papers directory"""
     if path is None:
-        papersdir = configs.DEFAULT_PAPER_PATH
+        papersdir = configs.get('papers', 'papers-directory')
     else:
         papersdir = os.path.join(os.getcwd(), path)
+        configs.add_and_write_option('papers', 'papers-directory', papersdir)
     if not os.path.exists(papersdir):
         ui.print_('Initializing papers in {}.'.format(
             ui.colored(papersdir, 'filepath')))

papers/configs.py

@@ -1,7 +1,7 @@
 import os
 import ConfigParser
 
-
+CONFIG_PATH = os.path.expanduser('~/.papersrc')
 DEFAULT_PAPERS_DIRECTORY = os.path.expanduser('~/.papers')
 DEFAULT_OPEN_CMD = 'open'
 try:
@@ -20,16 +20,28 @@ CONFIG = ConfigParser.SafeConfigParser({
     'edit-cmd': DEFAULT_EDIT_CMD,
     'import-copy': DEFAULT_IMPORT_COPY,
     'import-move': DEFAULT_IMPORT_MOVE,
-    'color': DEFAULT_COLOR,
-    })
+    'color': DEFAULT_COLOR})
 CONFIG.add_section('papers')
 
 
 def read_config():
-    CONFIG.read(os.path.expanduser('~/.papersrc'))
+    CONFIG.read(CONFIG_PATH)
     return CONFIG
 
 
+def add_and_write_option(section, option, value):
+    cfg = ConfigParser.ConfigParser()
+    cfg.read(CONFIG_PATH)
+    if not cfg.has_section(section):
+        cfg.add_section(section)
+
+    cfg.set(section, option, value)
+
+    f = open(CONFIG_PATH, 'w')
+    cfg.write(f)
+    f.close()
+
+
 def get_boolean(value, default):
     value = str(value).lower()
     if value in ('yes', 'true', 't', 'y', '1'):