chore: import upstream snapshot with attribution

fastchat/data/optional_clean.py

@@ -0,0 +1,90 @@
+"""
+Do optional cleaning (e.g., remove some languages).
+
+Usage:
+python3 -m fastchat.data.optional_clean --in input.json --out output.json --keep-lang en
+python3 -m fastchat.data.optional_clean --in input.json --out output.json --skip-lang en
+
+Requirement:
+pip3 install polyglot pyicu pycld2
+"""
+import argparse
+import json
+import re
+
+import polyglot
+from polyglot.detect import Detector
+import pycld2
+from tqdm import tqdm
+
+
+def skip(conv, args):
+    # Remove certain languages
+    if args.keep_lang != "all" or args.skip_lang is not None:
+        text = "\n".join([x["value"] for x in conv["conversations"]])
+        try:
+            lang_code = Detector(text).language.code
+        except (pycld2.error, polyglot.detect.base.UnknownLanguage):
+            lang_code = "unknown"
+
+        if args.keep_lang != "all" and lang_code != args.keep_lang:
+            return True
+
+        if lang_code == args.skip_lang:
+            return True
+
+    # Remove repetitive numbers
+    if args.reduce_rep:
+        for sentence in conv["conversations"]:
+            val = sentence["value"]
+            sub = re.search(r"(\d)\1{8}", val)
+            if sub is not None:
+                return True
+
+    return False
+
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser()
+    parser.add_argument("--in-file", type=str, required=True)
+    parser.add_argument("--out-file", type=str)
+    parser.add_argument(
+        "--keep-lang",
+        type=str,
+        default="all",
+        choices=["all", "en"],
+        help="Only keep certain langauges.",
+    )
+    parser.add_argument("--skip-lang", type=str, help="Skip a specific language.")
+    # NOTE: Be careful about reduce_rep which may remove some good data.
+    # For example, addresses could have long consecutive 0's
+    parser.add_argument("--reduce-rep", action="store_true")
+    args = parser.parse_args()
+
+    in_file = args.in_file
+    out_file = args.out_file
+    keep_lang = args.keep_lang
+    skip_lang = args.skip_lang
+    reduce_rep = args.reduce_rep
+    assert keep_lang == "all" or skip_lang is None
+
+    if out_file is None:
+        out_file = "sharegpt_clean"
+        if keep_lang != "all":
+            out_file += "_" + keep_lang
+        if skip_lang is not None:
+            out_file += "_skip_" + skip_lang
+        if reduce_rep:
+            out_file += "_reduce_rep"
+        out_file += ".json"
+
+    content = json.load(open(in_file, "r"))
+    num_conv = len(content)
+
+    new_content = []
+    for conv in tqdm(content):
+        if not skip(conv, args):
+            new_content.append(conv)
+
+    print(f"#in: {len(content)}, #out: {len(new_content)}")
+    json.dump(new_content, open(out_file, "w"), indent=2, ensure_ascii=False)