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| """About tab rendering functionality""" | |
| from config import app_config | |
| import data | |
| import requests | |
| import streamlit as st | |
| ### | |
| ### INTERNAL FUNCTIONS | |
| ### | |
| def __paraphrase(text): | |
| ### Invoke the lambda function via REST api call to paraphrase the text | |
| url = st.secrets["API_ENDPOINT"] | |
| headers = {"Content-Type": "application/json"} | |
| payload = {"text": text} | |
| response = requests.request(method="POST", url=url, headers=headers, json=payload) | |
| response = response.json() | |
| paraphrased_text = response["paraphrased_text"] | |
| return paraphrased_text | |
| def __refresh_access_cnt_stats(curr_count, access_stats): | |
| access_cnt_stats = f""" | |
| |Maximum allowed requests|Requests made so far|Requests available| | |
| |:---: |:---: |:---:| | |
| |{app_config.max_access_count}|{curr_count}|{app_config.max_access_count - curr_count} | |
| """ | |
| access_stats.empty() | |
| access_stats.container().markdown(access_cnt_stats) | |
| ### | |
| ### MAIN FLOW, entry point | |
| ### | |
| def render(): | |
| ### show the current and available number of requests | |
| st.success( | |
| "Due to cost constraints the total number of paraphrasing requests are " | |
| + "restricted, as shown below..." | |
| ) | |
| access_stats = st.empty() | |
| access_counter = data.get_access_counter() | |
| curr_count = access_counter["current-count"] | |
| __refresh_access_cnt_stats(curr_count, access_stats) | |
| st.divider() | |
| ### if maximum number of requests are exhausted then throw and error and abort | |
| if curr_count >= app_config.max_access_count: | |
| st.error( | |
| "SORRY! the maximum number of allowed requests are exhausted, please ping me via " | |
| + "`Contact Me` section in `About` tab if you see this message." | |
| ) | |
| else: | |
| ### render the UI | |
| output_text = "Paraphrased text will appear here" | |
| input_text = st.text_area( | |
| "Input Text:", | |
| placeholder="Enter the text you want to paraphrase", | |
| help="Maximum of 100 words are allowed", | |
| height=250, | |
| ) | |
| with st.expander("Important Note...", expanded=True): | |
| st.warning( | |
| "***Please note that when you try first time, app may return an " | |
| + "`Internal Error`, this is expected and is due to the AWS hosted hardware" | |
| + " taking some time to warm-up first time. After couple of trials you " | |
| + "should be able to see the results.***", | |
| icon=app_config.icon_important, | |
| ) | |
| if st.button("Paraphrase ✒️"): | |
| ## if max word length breached throw and error | |
| if len(input_text.split(" ")) > 100: | |
| st.error( | |
| "In this demo app, a maximum of 100 words are allowed in input text, " | |
| + "please reduce the text length and try again", | |
| icon=app_config.icon_stop, | |
| ) | |
| ## all good, proceed to process now | |
| else: | |
| with st.spinner("Processing..."): | |
| output_text = __paraphrase(input_text) | |
| # update the access-count in DB and refresh the stats display | |
| curr_count = data.update_access_count() | |
| __refresh_access_cnt_stats(curr_count, access_stats) | |
| # show the original and paraphrased text | |
| st.divider() | |
| st.subheader("Original Text") | |
| st.write(input_text) | |
| st.subheader("Paraphrased Text") | |
| st.write(output_text) | |
| st.divider() | |