Fix GEDCOM importer to properly handle multiple surnames per 5.5.1 (#862)

Fixes #11228

data/tests/exp_sample_ged.ged

@@ -2,8 +2,8 @@
 1 SOUR Gramps
 2 VERS 5.0.2
 2 NAME Gramps
-1 DATE 5 MAR 2019
-2 TIME 09:11:15
+1 DATE 31 JUL 2019
+2 TIME 10:58:33
 1 SUBM @SUBM@
 1 FILE C:\Users\prc\AppData\Roaming\gramps\temp\exp_sample_ged.ged
 1 COPR Copyright (c) 2019 Alex Roitman,,,.
@@ -885,7 +885,7 @@
 0 @I0046@ INDI
 1 NAME Tom /Von Tester y tested/
 2 GIVN Tom
-2 SPFX Von, 
+2 SPFX Von
 2 SURN Tester y, tested
 2 NICK TesterNickname
 1 SEX M
@@ -1420,7 +1420,7 @@
 0 @N0018@ NOTE Another Citation Note
 0 @N0019@ NOTE A bad photo for sure
 0 @O0000@ OBJE
-1 FILE c:\msys64\mingw64\share\gramps\tests\O0.jpg
+1 FILE c:\users\prc\workspace\grampsm\main\data\tests\O0.jpg
 2 FORM jpg
 2 TITL Michael O'Toole 2015-11
 1 NOTE @N0019@

data/tests/imp_sample.ged

@@ -50,9 +50,9 @@
 0 @I0@ INDI
 1 NAME Anna /Hansdotter/
 2 GIVN Anna
+2 SURN Hansdotter, Smith
+2 SPFX Vrow, huh
 2 SURN Hansdotter
-2 SPFX Vrow
-2 SURN Smith
 2 _AKA Anna Smith
 2 _AKA Hanna
 2 NOTE Hans daughter? N0000

data/tests/imp_sample.gramps

@@ -3,7 +3,7 @@
 "http://gramps-project.org/xml/1.7.1/grampsxml.dtd">
 <database xmlns="http://gramps-project.org/xml/1.7.1/">
   <header>
-    <created date="2019-03-05" version="5.0.2"/>
+    <created date="2019-07-31" version="5.0.2"/>
     <researcher>
       <resname>Alex Roitman,,,</resname>
       <resaddr>Not Provided</resaddr>
@@ -617,7 +617,8 @@
       <gender>F</gender>
       <name type="Birth Name">
         <first>Anna</first>
-        <surname prefix="Vrow">Smith</surname>
+        <surname prefix="Vrow">Hansdotter</surname>
+        <surname prim="0">Smith</surname>
         <noteref hlink="_0000001100000011"/>
       </name>
       <name alt="1" type="Also Known As">
@@ -1704,7 +1705,7 @@ Unknown tag                                                         Line  1109:
         <range start="0" end="163"/>
       </style>
     </note>
-    <note handle="_000000f9000000f9" change="1551800790" id="N0036" type="General">
+    <note handle="_000000f9000000f9" change="1564588949" id="N0036" type="General">
       <text>Objects referenced by this note were missing in a file imported on 12/25/1999 12:00:00 AM.</text>
     </note>
   </notes>

gramps/plugins/export/exportgedcom.py

@@ -1290,15 +1290,17 @@ class GedcomWriter(UpdateCallback):
 
         firstname = name.get_first_name().strip()
         surns = []
-        surprefs = []
+        surprefix = ''
         for surn in name.get_surname_list():
             surns.append(surn.get_surname().replace('/', '?'))
             if surn.get_connector():
                 #we store connector with the surname
                 surns[-1] = surns[-1] + ' ' + surn.get_connector()
-            surprefs.append(surn.get_prefix().replace('/', '?'))
         surname = ', '.join(surns)
-        surprefix = ', '.join(surprefs)
+        if name.get_surname_list():
+            # GEDCOM only supports a single surname prefix
+            surn = name.get_surname_list()[0]
+            surprefix = surn.get_prefix().replace('/', '?')
         suffix = name.get_suffix()
         title = name.get_title()
         nick = name.get_nick_name()

gramps/plugins/lib/libgedcom.py

@@ -4318,11 +4318,12 @@ class GedcomParser(UpdateCallback):
         @param state: The current state
         @type state: CurrentState
         """
+        spfx = line.data.strip().split(", ")[0]
         if state.name.get_surname_list():
-            state.name.get_surname_list()[0].set_prefix(line.data.strip())
+            state.name.get_surname_list()[0].set_prefix(spfx)
         else:
             surn = Surname()
-            surn.set_prefix(line.data.strip())
+            surn.set_prefix(spfx)
             surn.set_primary()
             state.name.set_surname_list([surn])
         self.__skip_subordinate_levels(state.level + 1, state)
@@ -4334,13 +4335,17 @@ class GedcomParser(UpdateCallback):
         @param state: The current state
         @type state: CurrentState
         """
-        if state.name.get_surname_list():
-            state.name.get_surname_list()[0].set_surname(line.data.strip())
-        else:
-            surn = Surname()
-            surn.set_surname(line.data.strip())
-            surn.set_primary()
-            state.name.set_surname_list([surn])
+        names = line.data.strip().split(", ")
+        overwrite = bool(state.name.get_surname_list())
+        for name in names:
+            if overwrite:
+                state.name.get_surname_list()[0].set_surname(name)
+                overwrite = False
+            else:
+                surn = Surname()
+                surn.set_surname(name)
+                surn.set_primary(primary=not state.name.get_surname_list())
+                state.name.get_surname_list().append(surn)
         self.__skip_subordinate_levels(state.level + 1, state)
 
     def __name_marnm(self, line, state):