Update app.py

app.py

@@ -19,7 +19,66 @@ import tempfile
 client = genai.Client(api_key=os.environ.get("GEMINI_API_KEY"))
 
 # --------- File Extractors ---------
-# (Same as before for document extraction functions)
+def extract_text_from_docx(docx_file):
+    document = Document(docx_file)
+    return "\n".join([para.text for para in document.paragraphs])
+
+def extract_text_from_csv(csv_file):
+    df = pd.read_csv(csv_file)
+    return df.to_string(index=False)
+
+def extract_text_from_xlsx(xlsx_file):
+    df = pd.read_excel(xlsx_file)
+    return df.to_string(index=False)
+
+def extract_text_from_pptx(pptx_file):
+    prs = Presentation(pptx_file)
+    text_runs = []
+    for slide in prs.slides:
+        for shape in slide.shapes:
+            if hasattr(shape, "text"):
+                text_runs.append(shape.text)
+    return "\n".join(text_runs)
+
+def extract_text_from_pdf(pdf_file):
+    doc = fitz.open(stream=pdf_file.read(), filetype="pdf")
+    text = ""
+    for page in doc:
+        text += page.get_text()
+    return text
+
+def extract_text_from_html(html_file):
+    soup = BeautifulSoup(html_file.read(), "html.parser")
+    return soup.get_text()
+
+def extract_text_from_tex(tex_file):
+    content = tex_file.read().decode("utf-8")
+    content = re.sub(r'\\[a-zA-Z]+\{[^}]*\}', '', content)
+    content = re.sub(r'\\[a-zA-Z]+', '', content)
+    return content
+
+# --------- Process Video Function ---------
+def process_video(video_file):
+    video_bytes = video_file.read()
+    filetype = video_file.name.split(".")[-1].lower()
+    mime_map = {
+        "avi": "video/x-msvideo",
+        "mkv": "video/x-matroska",
+        "flv": "video/x-flv",
+        "wmv": "video/x-ms-wmv",
+        "mpeg": "video/mpeg",
+        "mp4": "video/mp4",
+        "webm": "video/webm",
+        "mov": "video/quicktime"
+    }
+    mime_type = mime_map.get(filetype, video_file.type)
+    encoded_video = base64.b64encode(video_bytes).decode("utf-8")
+    return {
+        "inline_data": {
+            "mime_type": mime_type,
+            "data": encoded_video
+        }
+    }
 
 # --------- Text to Speech Function ---------
 def speak_auto(text):