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app.py

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+import streamlit as st
+from PIL import Image
+import io
+import base64
+
+def main():
+    st.title('Image Resizer')
+
+    uploaded_file = st.file_uploader("Upload an image", type=["jpg", "jpeg", "png"])
+
+    if uploaded_file is not None:
+        try:
+            img = Image.open(uploaded_file)
+
+            width = st.number_input('Enter the width:', min_value=1)
+            height = st.number_input('Enter the height:', min_value=1)
+
+            if st.button('Resize'):
+                resized_img = img.resize((int(width), int(height)))
+
+                output = io.BytesIO()
+                resized_img.save(output, format='JPEG')  # Change format if desired (JPEG, PNG, etc.)
+                st.markdown(get_binary_file_downloader_html(output, 'resized_image.jpg', 'Download Resized Image'), unsafe_allow_html=True)
+
+        except Exception as e:
+            st.error(f"An error occurred: {str(e)}")
+
+def get_binary_file_downloader_html(bin_file, file_label='File', button_text='Download'):
+    # Helper function to create download link
+    bin_str = bin_file.getvalue()
+    bin_file.close()
+    href = f'data:application/octet-stream;base64,{base64.b64encode(bin_str).decode()}'
+    return f'<a href="{href}" download="{file_label}">{button_text}</a>'
+
+if __name__ == '__main__':
+    main()

requirements.txt

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+altair==5.2.0
+attrs==23.1.0
+blinker==1.7.0
+cachetools==5.3.2
+certifi==2023.11.17
+charset-normalizer==3.3.2
+click==8.1.7
+gitdb==4.0.11
+GitPython==3.1.40
+idna==3.6
+importlib-metadata==6.11.0
+Jinja2==3.1.2
+jsonschema==4.20.0
+jsonschema-specifications==2023.11.2
+markdown-it-py==3.0.0
+MarkupSafe==2.1.3
+mdurl==0.1.2
+numpy==1.26.2
+packaging==23.2
+pandas==2.1.4
+Pillow==10.1.0
+protobuf==4.25.1
+pyarrow==14.0.1
+pydeck==0.8.1b0
+Pygments==2.17.2
+python-dateutil==2.8.2
+pytz==2023.3.post1
+referencing==0.32.0
+requests==2.31.0
+rich==13.7.0
+rpds-py==0.15.2
+six==1.16.0
+smmap==5.0.1
+streamlit==1.29.0
+tenacity==8.2.3
+toml==0.10.2
+toolz==0.12.0
+tornado==6.4
+typing_extensions==4.9.0
+tzdata==2023.3
+tzlocal==5.2
+urllib3==2.1.0
+validators==0.22.0
+watchdog==3.0.0
+zipp==3.17.0