Merge merge urlbot-mcabber to subdir

urlbot-mcabber/common.py

@@ -0,0 +1,84 @@
+#!/usr/bin/python3
+# -*- coding: utf-8 -*-
+
+if '__main__' == __name__:
+	print('''this is a library file, which is not meant to be executed''')
+	exit(-1)
+
+import sys, os, time, pickle
+from local_config import conf
+
+RATE_GLOBAL      = 0x01
+RATE_NO_SILENCE  = 0x02
+RATE_INTERACTIVE = 0x04
+RATE_CHAT        = 0x08
+RATE_URL         = 0x10
+
+BUFSIZ = 8192
+delay = 0.100 # seconds
+
+basedir = '.'
+if 2 == len(sys.argv): basedir = sys.argv[1]
+
+event_files_dir = os.path.join(basedir, conf('path_event_files'))
+fifo_path = os.path.join(basedir, conf('path_cmdfifo'))
+
+def debug_enabled():
+#	return True
+	return False
+
+def logger(severity, message):
+#	sev = ( 'err', 'warn', 'info' )
+#	if severity in sev:
+	args = (sys.argv[0], time.strftime('%Y-%m-%d.%H:%M:%S'), severity, message)
+	sys.stderr.write('%s %s %s: %s\n' % args)
+
+def conf_save(obj):
+	with open(conf('persistent_storage'), 'wb') as fd:
+		return pickle.dump(obj, fd)
+
+def conf_load():
+	with open(conf('persistent_storage'), 'rb') as fd:
+		fd.seek(0)
+		return pickle.load(fd)
+
+def levenshtein(a, b, return_table=False):
+	'''returns the levenshtein distance between a and b'''
+	# initialisize a table with 0, but the 0-rows/cols with their index
+	d = [[ (i if 0 == j else j if 0 == i else 0) for j in range(len(b)+1) ] for i in range(len(a)+1) ]
+
+	i = j = 0
+	for i in range(1, len(a)+1):
+		for j in range(1, len(b)+1):
+			if a[i-1] == b[j-1]:
+				d[i][j] = d[i-1][j-1]
+			else:
+				d[i][j] = min(
+					d[i-1][j] + 1,   # deletion
+					d[i][j-1] + 1,   # insertion
+					d[i-1][j-1] + 1, # substitution
+				)
+
+	if return_table:
+		return (d, d[i][j])
+	else:
+		return d[i][j]
+
+def get_version_git():
+	import subprocess
+
+	cmd = ['git', 'log', '--oneline', '--abbrev-commit']
+
+	p = subprocess.Popen(cmd, bufsize=1, stdout=subprocess.PIPE)
+	first_line = p.stdout.readline()
+	line_count = len(p.stdout.readlines()) + 1
+
+	if 0 == p.wait():
+		# skip this 1st, 2nd, 3rd stuff and use always [0-9]th
+		return "version (Git, %dth rev) '%s'" % (
+			line_count, str(first_line.strip(), encoding='utf8')
+		)
+	else:
+		return "(unknown version)"
+
+VERSION = get_version_git()