Update PO and LMO tools

Replace prefix "msgkey" to "msgid".
Replace field "val_id" to "plural" (support new version LMO translator).

lmo2po.py

@@ -10,9 +10,9 @@ def die(msg):
 
 
 class LmoEntry:
-  def __init__(self, key_id = 0, val_id = 0, offset = 0, length = 0, val = None):
+  def __init__(self, key_id = 0, plural = 0, offset = 0, length = 0, val = None):
     self.key_id = key_id
-    self.val_id = val_id
+    self.plural = plural
     self.offset = offset
     self.length = length
     self.val = val
@@ -26,10 +26,10 @@ class Lmo:
   def __init__(self):
     self.options = ""
     self.entries = []
-    self.use_plural_num = None   # value of entry.val_id
 
   def load_from_bin(self, filename):
     self.entries = []
+    use_plural_num = False
     with open(filename, "rb") as file:
       data = file.read()
     table_offset = int.from_bytes(data[-4:], byteorder='big')
@@ -40,18 +40,21 @@ class Lmo:
         break
       entry = LmoEntry()
       entry.key_id = int.from_bytes(data[off   :off+4] , byteorder='big')
-      entry.val_id = int.from_bytes(data[off+4 :off+8] , byteorder='big')
+      entry.plural = int.from_bytes(data[off+4 :off+8] , byteorder='big') - 1
       entry.offset = int.from_bytes(data[off+8 :off+12], byteorder='big')
       entry.length = int.from_bytes(data[off+12:off+16], byteorder='big')
       entry.val = data[entry.offset:entry.offset+entry.length]
-      #print("%08X %d %08X %d" % (entry.key_id, entry.val_id, entry.offset, entry.length))
+      #print("%08X %d %08X %d" % (entry.key_id, entry.plural, entry.offset, entry.length))
+      if off == table_offset:
+        if entry.key_id == 0 and entry.plural == -1:
+          use_plural_num = True
+      if use_plural_num:
+        if entry.plural >= 10 or (off != table_offset and entry.plural < 0):
+          die("Too many plural forms")
+      else:
+        entry.plural = 0  # older version LMO-files contain hash of value
       self.entries.append(entry)
       off += 16
-    if self.use_plural_num is None:
-      self.use_plural_num = True
-      ent = next((ent for ent in self.entries if ent.val_id > 10), None)
-      if ent:
-        self.use_plural_num = False
     self.entries = sorted(self.entries, key=lambda x: x.offset)
     #self.dup_search()
 
@@ -76,7 +79,7 @@ class Lmo:
       val = ent.val.decode('utf-8')
       val = val.replace('\\', '\\\\')
       val = val.replace('"', r'\"')      
-      if ent.key_id == 0 and ent.val_id == 0 and ent.offset == 0:
+      if ent.key_id == 0 and ent.plural == -1:
         val = val.replace('\n', r'\n')
         txt += 'msgid ""' + '\n'
         txt += 'msgstr ""' + '\n'
@@ -90,11 +93,11 @@ class Lmo:
         txt += '\n'
         continue
       prefix = ''
-      if self.use_plural_num and ent.val_id != 1:
-        prefix = '[%d]' % (ent.val_id - 1)
+      #if ent.plural != 0:
+      #  prefix = '[%d]' % ent.plural
       if ent.dup:
         txt += '# DUP' + '\n'
-      txt += 'msgkey 0x{}'.format("%08X" % ent.key_id) + '\n' 
+      txt += 'msgid 0x{}'.format("%08X" % ent.key_id) + '\n' 
       line_limit = 77
       val = val.replace('\r', '')
       if val.find('\n') >= 0:
@@ -143,7 +146,7 @@ if __name__ == "__main__":
   if not ('m' in lmo.options):
     lmo.save_to_text(fn_out)
     print('\nPO-file saved to "{}"'.format(fn_out))
-    sys.exit(1)
+    sys.exit(0)
 
   # Merge 2 lmo-files
   fn_inp2 = sys.argv[4]
@@ -158,8 +161,6 @@ if __name__ == "__main__":
     if not dup:
       lmo.entries.append(ent)
   lmo.options = 'k'
-  if not lmo2.use_plural_num:
-    lmo.use_plural_num = False
   lmo.save_to_text(fn_out)
   print('\nMerged PO-file saved to "{}"'.format(fn_out))
   

po2lmo.py

@@ -36,9 +36,9 @@ def sfh_hash(data):
   if isinstance(data, str):
     data = data.encode("utf-8")
   size = len(data)
-  hash = u32_t(size)
   if size <= 0:
     return 0
+  hash = u32_t(size)
   rem = size & 3
   length = size // 4
   for i in range(length):
@@ -80,20 +80,20 @@ class Msg:
   def __init__(self):
     self.init()
     
-  def init(self):
-    self.plural_num = -1
+  def init(self, plural_num = 0):
+    self.plural_num = plural_num
     self.ctxt = None
     self.id = None
     self.id_plural = None
-    self.val = [ None ]  # list of string
+    self.val = [ None ] * 10  # list of string
     self.cur = MSG_UNSPEC
     self.key = None
 
 
 class LmoEntry:
-  def __init__(self, key_id = 0, val_id = 0, offset = 0, length = 0, val = None):
+  def __init__(self, key_id = 0, plural = 0, offset = 0, length = 0, val = None):
     self.key_id = key_id
-    self.val_id = val_id
+    self.plural = plural
     self.offset = offset
     self.length = length
     self.val = val
@@ -109,10 +109,10 @@ class Lmo:
     self.entries = []
     self.msg = Msg()
 
-  def add_entry(self, key_id, val_id, val):
+  def add_entry(self, key_id, plural, val):
     entry = LmoEntry()
     entry.key_id = key_id
-    entry.val_id = val_id
+    entry.plural = plural
     entry.offset = len(self.entries)
     entry.length = len(val)
     entry.val = val
@@ -129,14 +129,14 @@ class Lmo:
     msg = self.msg
     if not msg.id and not msg.val[0]:
       return
+    if not msg.val[0]:
+      self.msg.init()
+      return
     if msg.key is not None:
-      val = msg.val[msg.plural_num]
-      self.add_entry(msg.key, msg.plural_num + 1, val)
-    elif msg.id and msg.val[0]:
-      for i in range(msg.plural_num + 1):
-        if i >= len(msg.val):
-          continue
-        val = msg.val[i]
+      val = msg.val[0]
+      self.add_entry(msg.key, 0, val)
+    elif msg.id and msg.plural_num >= 0:
+      for i, val in enumerate(msg.val):
         if val is None:
           continue
         if (msg.ctxt and msg.id_plural):
@@ -150,8 +150,8 @@ class Lmo:
         key_id = sfh_hash(key)
         val_id = sfh_hash(val)
         if key_id != val_id:
-          self.add_entry(key_id, msg.plural_num + 1, val)
-    elif msg.val[0]:
+          self.add_entry(key_id, msg.plural_num, val)
+    else:
       val = msg.val[0]
       prefix = b'\\nPlural-Forms: '
       x = val.find(prefix)
@@ -159,7 +159,7 @@ class Lmo:
         x += len(prefix)
         x2 = val.find(b'\\n', x)
         if x2 > 0:
-          self.add_entry(0, 0, val[x:x2])
+          self.add_entry(0, -1, val[x:x2])
     # reinit object msg
     self.msg.init()
 
@@ -207,10 +207,6 @@ class Lmo:
         msg.plural_num = int(line[x1+1:x2])
       if msg.plural_num >= 10:
         die("Too many plural forms")
-      if len(msg.val) <= msg.plural_num:
-        x = msg.plural_num - len(msg.val) + 1
-        for i in range(x):
-          msg.val.append(None)
       msg.val[msg.plural_num] = b''
       msg.cur = MSG_STR
     # read text data
@@ -228,7 +224,7 @@ class Lmo:
 
   def load_from_text(self, filename):
     self.entries = []
-    self.msg.init()
+    self.msg.init(-1)
     with open(filename, "r", encoding='UTF-8') as file:
       for line in file:
         self.process_line(line.rstrip())
@@ -248,8 +244,7 @@ class Lmo:
         val = val.encode('utf-8')
       length = len(val)
       buf[offset:offset+length] = val
-      val_id = ent.val_id
-      ek = LmoEntry(ent.key_id, val_id, offset, length, val)
+      ek = LmoEntry(ent.key_id, ent.plural, offset, length, val)
       ek.dup = ent.dup
       elst.append(ek)
       offset += length
@@ -261,7 +256,7 @@ class Lmo:
     table_offset = offset
     for i, ent in enumerate(elst):
       buf[offset   :offset+4]  = ent.key_id.to_bytes(4, byteorder='big')
-      buf[offset+4 :offset+8]  = ent.val_id.to_bytes(4, byteorder='big')
+      buf[offset+4 :offset+8]  = (ent.plural + 1).to_bytes(4, byteorder='big')
       buf[offset+8 :offset+12] = ent.offset.to_bytes(4, byteorder='big')
       buf[offset+12:offset+16] = ent.length.to_bytes(4, byteorder='big')
       if self.verbose and ent.dup: