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convert_hf : fix Gemma v1 conversion #8597

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merged 2 commits into from
Jul 21, 2024
Merged

convert_hf : fix Gemma v1 conversion #8597

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5a9cb57
convert_hf : fix Gemma v1 conversion
compilade Jul 19, 2024
50d1a03
convert_hf : fix Gemma v1 not setting BOS and EOS tokens
compilade Jul 20, 2024
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17 changes: 12 additions & 5 deletions convert_hf_to_gguf.py
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Original file line number Diff line number Diff line change
Expand Up @@ -750,7 +750,8 @@ def _create_vocab_sentencepiece(self):
token_id = int(token_id)
token: str = token_data["content"]
if toktypes[token_id] != SentencePieceTokenTypes.UNUSED:
assert tokens[token_id] == token.encode("utf-8")
if tokens[token_id] != token.encode("utf-8"):
logger.warning(f'replacing token {token_id}: {tokens[token_id].decode("utf-8")!r} -> {token!r}')
if token_data.get("special") or self.does_token_look_special(token):
toktypes[token_id] = SentencePieceTokenTypes.CONTROL
else:
Expand Down Expand Up @@ -1309,6 +1310,7 @@ def set_vocab(self):
special_vocab._set_special_token("prefix", 1)
special_vocab._set_special_token("suffix", 3)
special_vocab._set_special_token("middle", 2)
special_vocab.chat_template = None # do not add it twice
special_vocab.add_to_gguf(self.gguf_writer)

def set_gguf_parameters(self):
Expand Down Expand Up @@ -2011,7 +2013,8 @@ def set_vocab(self):
token_id = int(token_id)
token = foken_data["content"].encode("utf-8")
if toktypes[token_id] != SentencePieceTokenTypes.UNUSED:
assert tokens[token_id] == token
if tokens[token_id] != token:
logger.warning(f'replacing token {token_id}: {tokens[token_id].decode("utf-8")!r} -> {token.decode("utf-8")!r}')
tokens[token_id] = token
scores[token_id] = -1000.0
toktypes[token_id] = SentencePieceTokenTypes.USER_DEFINED
Expand All @@ -2027,7 +2030,8 @@ def set_vocab(self):
token_id = int(foken_data["id"])
token = foken_data["content"].encode("utf-8")
if toktypes[token_id] != SentencePieceTokenTypes.UNUSED:
assert tokens[token_id] == token
if tokens[token_id] != token:
logger.warning(f'replacing token {token_id}: {tokens[token_id].decode("utf-8")!r} -> {token.decode("utf-8")!r}')
tokens[token_id] = token
scores[token_id] = -1000.0
toktypes[token_id] = SentencePieceTokenTypes.USER_DEFINED
Expand Down Expand Up @@ -2266,7 +2270,8 @@ def set_vocab(self):
chat_eos_token_id = token_id
token = token.encode("utf-8")
if toktypes[token_id] != SentencePieceTokenTypes.UNUSED:
assert(tokens[token_id] == token)
if tokens[token_id] != token:
logger.warning(f'replacing token {token_id}: {tokens[token_id].decode("utf-8")!r} -> {token.decode("utf-8")!r}')
tokens[token_id] = token
scores[token_id] = -1000.0
toktypes[token_id] = SentencePieceTokenTypes.USER_DEFINED
Expand All @@ -2285,7 +2290,8 @@ def set_vocab(self):
chat_eos_token_id = token_id
token = token.encode("utf-8")
if toktypes[token_id] != SentencePieceTokenTypes.UNUSED:
assert(tokens[token_id] == token)
if tokens[token_id] != token:
logger.warning(f'replacing token {token_id}: {tokens[token_id].decode("utf-8")!r} -> {token.decode("utf-8")!r}')
tokens[token_id] = token
scores[token_id] = -1000.0
toktypes[token_id] = SentencePieceTokenTypes.USER_DEFINED
Expand Down Expand Up @@ -2471,6 +2477,7 @@ def set_vocab(self):
special_vocab._set_special_token("middle", 68)
special_vocab._set_special_token("fsep", 70)
special_vocab._set_special_token("eot", 107)
special_vocab.chat_template = None # do not add it twice
special_vocab.add_to_gguf(self.gguf_writer)

self.gguf_writer.add_add_space_prefix(False)
Expand Down
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