FIX gender function

afu/callbook.py

@@ -107,7 +107,7 @@ def is_clubstation(call):
 	assert(len(call) > 3)
 	if call[3].upper() == 'X' or call.upper() == 'OE5SIX': # special case with OE5SIX (Clubstation)
 		return True
-	
+
 	return False
 
 
@@ -126,7 +126,7 @@ def replace_substring_with_line(path, search_substring, verbose=0):
 		print(f'The file {path} was not found.')
 	except Exception as e:
 		print(f'An error occurred: {e}')
-	
+
 	return search_substring
 
 replace_substring_with_line.lines = None
@@ -138,8 +138,8 @@ def gender_substring(path, search_substring, verbose=0):
 				gender_substring.lines = file.readlines()
 
 		for line in gender_substring.lines:
-			if search_substring[2:].lower() in line.lower():
-				return line[0]
+			if line[2:].strip() == search_substring: # search from position 2 and remove all spaces or \n chars
+				return line[0] # return the char of gender i.e. 'f' or 'm'
 	except FileNotFoundError:
 		print(f'The file {path} was not found.')
 	except Exception as e:
@@ -172,9 +172,9 @@ def call_split_name(fullname, call, verbose):
 
 	name = fullname.split(' ', 1)
 	surname = name[0]
-	# several special cases like surname "de Lijezer", "van Dijk", "el Shamaa", etc.
+	# several special cases like surname "de Lijezer", "van Dijk", "el Shamaa", "da Silva", etc.
 	match surname.lower():
-		case 'de' | 'el':
+		case 'de' | 'el' | 'da':
 			name = fullname[3:].split(' ',1)
 			surname = surname.lower() + ' ' + name[0]
 			if verbose > 1: