Add return_full_text option to generate

Author: Marcin Kardas

galai/model.py

@@ -223,6 +223,7 @@ def generate(
         penalty_alpha=None,
         num_beams=1,
         num_return_sequences=1,
+        return_full_text=True,
     ) -> Union[str, List[str], List[List[str]]]:
         """
         Generates text using the model
@@ -301,8 +302,11 @@ def generate(
             **options
         )
 
+        out_tokens = out['sequences']
+        if not return_full_text:
+            out_tokens = out_tokens[:, input_v.shape[1]:]
         # we keep special tokens such as [START_REF] or <work>
-        decoded = self.tokenizer.batch_decode(out['sequences'], skip_special_tokens=False)
+        decoded = self.tokenizer.batch_decode(out_tokens, skip_special_tokens=False)
         # so we manually remove </s> and <pad>
         decoded = [
             text.replace(self.tokenizer.eos_token, "").replace(self.tokenizer.pad_token, "")

setup.py

@@ -1,7 +1,7 @@
 from setuptools import setup, find_packages
 
 PACKAGE_NAME = 'galai'
-VERSION = "1.1.4"
+VERSION = "1.1.5"
 DESCRIPTION = "API for the GALACTICA model"
 KEYWORDS = "Scientific Intelligence"
 URL = 'https://github.com/paperswithcode/galai'