interactive: Move interactive_setup to utils

... and split it in hope to make the parts more reusable.

port_stats/interactive.py

@@ -43,12 +43,9 @@ You can also enjoy autocompletion with <TAB>.
 
 from __future__ import print_function
 
-import atexit
-import json
 import logging
 import os
 import re
-import readline
 import rlcompleter  # noqa
 import sys
 import time
@@ -177,7 +174,7 @@ g = gspi  # noqa
 
 
 def list_spi(pkgs, colors=None, to=print):
-    if isinstance(pkgs, basestring):
+    if isinstance(pkgs, (str, bytes)):
         pkgs = pkgs.split()
     pset = frozenset(pkgs)
     lines = _spi_by_predicate(pset.__contains__, colors)
@@ -298,8 +295,10 @@ def stats(names=None, to=dump):
 def inapt_reporter():
     import inapt
     d = inapt.DependencyInfo.load(CONFIG['repos'][CURRENT['base']])
+
     def _reporter(name, to=pager):
         to(d.recursive_srpm_report(name, _colorizer()))
+
     return _reporter
 
 
@@ -307,35 +306,6 @@ def doc(to=dump):
     to(__doc__)
 
 
-def interactive_setup():
-    # Bind ‘TAB’ to complete
-    readline.parse_and_bind('tab:complete')
-
-    # Set history file – ~\.pythonhistory
-    histfile = os.path.join(os.environ['HOME'], '.pythonhistory')
-
-    # Attempt read of histfile
-    try:
-        readline.read_history_file(histfile)
-    except IOError:
-        pass
-
-    # Write history file at shell exit
-    atexit.register(readline.write_history_file, histfile)
-
-    # Configure logging
-    logging.basicConfig(
-        format='%(asctime)s %(levelname)-5s %(name)s - %(message)s',
-        datefmt='%Y-%m-%d %H:%M:%S',
-        stream=sys.stderr, level=logging.INFO)
-
-    config = sys.argv[1]
-    LOG.info("Loading configuraition file: %s", config)
-    with open(config, 'r') as f:
-        global CONFIG
-        CONFIG = json.load(f)
-
-
 if __name__ == '__main__':
-    interactive_setup()
+    CONFIG = utils.interactive_setup()
     doc()

port_stats/utils.py

@@ -1,8 +1,13 @@
 
 import datetime
 import json
+import logging
+import os
+import sys
 import time
 
+LOG = logging.getLogger(__name__)
+
 
 def format_timestamp(ts, fmt='%Y-%m-%d %H:%M:%S'):
     dt = datetime.datetime.fromtimestamp(ts)
@@ -44,3 +49,35 @@ def format_dict(data, indent=False):
                           indent=2, separators=(',', ': '))
     else:
         return json.dumps(out, sort_keys=True)
+
+
+def readline_setup():
+    import atexit
+    import readline
+
+    readline.parse_and_bind('tab:complete')
+    histfile = os.path.join(os.environ['HOME'], '.pythonhistory')
+    try:
+        readline.read_history_file(histfile)
+    except IOError:
+        pass
+    atexit.register(readline.write_history_file, histfile)
+
+
+def logging_setup(loglevel=logging.INFO):
+    logging.basicConfig(
+        format='%(asctime)s %(levelname)-5s %(name)s - %(message)s',
+        datefmt='%Y-%m-%d %H:%M:%S',
+        stream=sys.stderr, level=loglevel)
+
+
+def interactive_setup(readline=True, loglevel=logging.INFO):
+    logging_setup()
+
+    if readline:
+        readline_setup()
+
+    config = sys.argv[1]
+    LOG.info("Loading configuraition file: %s", config)
+    with open(config, 'r') as f:
+        return json.load(f)