将flask改成fastapi

rag/app/audio.py

@@ -0,0 +1,61 @@
+#
+#  Copyright 2025 The InfiniFlow Authors. All Rights Reserved.
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+#
+
+import os
+import re
+import tempfile
+
+from api.db import LLMType
+from api.db.services.llm_service import LLMBundle
+from rag.nlp import rag_tokenizer, tokenize
+
+
+def chunk(filename, binary, tenant_id, lang, callback=None, **kwargs):
+    doc = {"docnm_kwd": filename, "title_tks": rag_tokenizer.tokenize(re.sub(r"\.[a-zA-Z]+$", "", filename))}
+    doc["title_sm_tks"] = rag_tokenizer.fine_grained_tokenize(doc["title_tks"])
+
+    # is it English
+    eng = lang.lower() == "english"  # is_english(sections)
+    try:
+        _, ext = os.path.splitext(filename)
+        if not ext:
+            raise RuntimeError("No extension detected.")
+
+        if ext not in [".da", ".wave", ".wav", ".mp3", ".wav", ".aac", ".flac", ".ogg", ".aiff", ".au", ".midi", ".wma", ".realaudio", ".vqf", ".oggvorbis", ".aac", ".ape"]:
+            raise RuntimeError(f"Extension {ext} is not supported yet.")
+
+        tmp_path = ""
+        with tempfile.NamedTemporaryFile(suffix=ext, delete=False) as tmpf:
+            tmpf.write(binary)
+            tmpf.flush()
+            tmp_path = os.path.abspath(tmpf.name)
+
+        callback(0.1, "USE Sequence2Txt LLM to transcription the audio")
+        seq2txt_mdl = LLMBundle(tenant_id, LLMType.SPEECH2TEXT, lang=lang)
+        ans = seq2txt_mdl.transcription(tmp_path)
+        callback(0.8, "Sequence2Txt LLM respond: %s ..." % ans[:32])
+
+        tokenize(doc, ans, eng)
+        return [doc]
+    except Exception as e:
+        callback(prog=-1, msg=str(e))
+    finally:
+        if tmp_path and os.path.exists(tmp_path):
+            try:
+                os.unlink(tmp_path)
+            except Exception:
+                pass
+    return []