added app file

app.py

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+from transformers import AutoModelForSequenceClassification, AutoTokenizer
+from languages import LANGUANGE_MAP
+import gradio as gr
+import torch
+
+
+model_ckpt = "ivanlau/language-detection-fine-tuned-on-xlm-roberta-base"
+model = AutoModelForSequenceClassification.from_pretrained(model_ckpt)
+tokenizer = AutoTokenizer.from_pretrained(model_ckpt)
+
+
+
+def detect_language(sentence):
+  tokenized_sentence = tokenizer(sentence, return_tensors='pt')
+  output = model(**tokenized_sentence)
+  predictions = torch.nn.functional.softmax(output.logits, dim=-1)
+  _, preds = torch.max(predictions, dim=-1)
+  return LANGUANGE_MAP[preds.item()]
+
+examples = [
+    "I've been waiting for a HuggingFace course my whole life.",
+    "恭喜发财!",
+    "Jumpa lagi, saya pergi kerja.",
+    "你食咗飯未呀?",
+    "もう食べましたか?",
+    "as-tu mangé"
+]
+
+inputs=gr.inputs.Textbox(placeholder="Enter your text here", label="Text content", lines=5)
+outputs=gr.outputs.Label(num_top_classes=3, label="Language detected:")
+article = """
+Supported languages: 
+    'Arabic', 'Basque', 'Breton', 'Catalan', 'Chinese_China', 'Chinese_Hongkong', 'Chinese_Taiwan', 'Chuvash', 'Czech', 
+    'Dhivehi', 'Dutch', 'English', 'Esperanto', 'Estonian', 'French', 'Frisian', 'Georgian', 'German', 'Greek', 'Hakha_Chin', 
+    'Indonesian', 'Interlingua', 'Italian', 'Japanese', 'Kabyle', 'Kinyarwanda', 'Kyrgyz', 'Latvian', 'Maltese', 
+    'Mangolian', 'Persian', 'Polish', 'Portuguese', 'Romanian', 'Romansh_Sursilvan', 'Russian', 'Sakha', 'Slovenian', 
+    'Spanish', 'Swedish', 'Tamil', 'Tatar', 'Turkish', 'Ukranian', 'Welsh'
+"""
+gr.Interface(
+    fn=detect_language,
+    inputs=inputs,
+    outputs=outputs,
+    verbose=True,
+    examples = examples,
+    title="Language Detector",
+    description="A simple language detector fine-tuned from xlm-roberta-base model which can detect 45 languages.",
+    article=article,
+    theme="huggingface"
+).launch()

languages.py

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+LANGUANGE_MAP = {
+    0: 'Arabic',
+    1: 'Basque',
+    2: 'Breton',
+    3: 'Catalan',
+    4: 'Chinese_China',
+    5: 'Chinese_Hongkong',
+    6: 'Chinese_Taiwan',
+    7: 'Chuvash',
+    8: 'Czech',
+    9: 'Dhivehi',
+    10: 'Dutch',
+    11: 'English',
+    12: 'Esperanto',
+    13: 'Estonian',
+    14: 'French',
+    15: 'Frisian',
+    16: 'Georgian',
+    17: 'German',
+    18: 'Greek',
+    19: 'Hakha_Chin',
+    20: 'Indonesian',
+    21: 'Interlingua',
+    22: 'Italian',
+    23: 'Japanese',
+    24: 'Kabyle',
+    25: 'Kinyarwanda',
+    26: 'Kyrgyz',
+    27: 'Latvian',
+    28: 'Maltese',
+    29: 'Mongolian',
+    30: 'Persian',
+    31: 'Polish',
+    32: 'Portuguese',
+    33: 'Romanian',
+    34: 'Romansh_Sursilvan',
+    35: 'Russian',
+    36: 'Sakha',
+    37: 'Slovenian',
+    38: 'Spanish',
+    39: 'Swedish',
+    40: 'Tamil',
+    41: 'Tatar',
+    42: 'Turkish',
+    43: 'Ukranian',
+    44: 'Welsh'
+ }

requirements.txt

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+gradio
+transformers
+torch