add conf parsing for pattern pattern pattern_case_sensitive options of the rss section

feed2toot/confparsers/rss/pattern.py

@@ -0,0 +1,52 @@
+# -*- coding: utf-8 -*-
+# Copyright © 2015-2017 Carl Chenet <carl.chenet@ohmytux.com>
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/
+
+# Get value of the patterne option of rss section
+'''Get value of the pattern option of the rss section'''
+
+# standard library imports
+import logging
+import sys
+
+def parsepattern(config):
+    '''Parse configuration value of the pattern option of the rss section'''
+    patterns = {}
+    patternscasesensitive = {}
+    stringsep = ','
+    section = 'rss'
+    if config.has_section(section):
+        #######################
+        # pattern format option
+        #######################
+        for pattern in ['summary_detail', 'published_parsed', 'guidislink', 'authors', 'links', 'title_detail', 'author', 'author_detail', 'comments', 'published', 'summary', 'tags', 'title', 'link', 'id']:
+            currentoption = '{}_pattern'.format(pattern)
+            if config.has_option(section, currentoption):
+                tmppattern = config.get(section, currentoption)
+                if stringsep in tmppattern:
+                    patterns[currentoption] = [i for i in tmppattern.split(stringsep) if i]
+                else:
+                    patterns[currentoption] = [tmppattern]
+
+            ###############################
+            # pattern_case_sensitive option
+            ###############################
+            currentoption = '{}_pattern_case_sensitive'.format(pattern)
+            if config.has_option(section, currentoption):
+                try:
+                    patternscasesensitive[currentoption] = config.getboolean(section, currentoption)
+                except ValueError as err:
+                    logging.warn(err)
+                    patternscasesensitive[currentoption] = True
+    return patterns, patternscasesensitive