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app.py

@@ -89,6 +89,26 @@ def generate_raster(iso: str, rp: int):
 
     return output_path, f"✅ Raster generated for {iso} (RP {rp}). Click to download below."
 
+
+def download_hotosm_populated_places(iso3: str, save_dir: str = "./"):
+    iso3_upper = iso3.upper()
+    iso3_lower = iso3.lower()
+
+    url = f"https://s3.dualstack.us-east-1.amazonaws.com/production-raw-data-api/ISO3/{iso3_upper}/populated_places/points/hotosm_{iso3_lower}_populated_places_points_shp.zip"
+    local_filename = os.path.join(save_dir, f"hotosm_{iso3_lower}_populated_places_points_shp.zip")
+
+    response = requests.get(url, stream=True)
+    if response.status_code != 200:
+        print(f"Failed to download HOTOSM data for {iso3}. HTTP status: {response.status_code}")
+        return None
+
+    with open(local_filename, 'wb') as f:
+        for chunk in response.iter_content(chunk_size=8192):
+            f.write(chunk)
+
+    return local_filename
+
+
 # Selection options
 iso_options = [('Abyei', 'XAB'), ('Afghanistan', 'AFG'), ('Aksai Chin (Sovereignty unsettled)', 'XAC'), ('Aland Islands (FIN)', 'ALA'), ('Albania', 'ALB'), ('Algeria', 'DZA'), ('American Samoa', 'ASM'), ('Andorra', 'AND'), ('Angola', 'AGO'), ('Anguilla (GBR)', 'AIA'), ('Antarctica', 'ATA'), ('Antigua and Barbuda', 'ATG'), ('Argentina', 'ARG'), ('Armenia', 'ARM'), ('Aruba (K. of the Netherlands)', 'ABW'), ('Arunachal Pradesh (IND)', 'XAP'), ('Australia', 'AUS'), ('Austria', 'AUT'), ('Azerbaijan', 'AZE'), ('Bahamas', 'BHS'), ('Bahrain', 'BHR'), ('Bangladesh', 'BGD'), ('Barbados', 'BRB'), ('Belarus', 'BLR'), ('Belgium', 'BEL'), ('Belize', 'BLZ'), ('Benin', 'BEN'), ('Bermuda', 'BMU'), ('Bhutan', 'BTN'), ('Bolivarian Republic of Venezuela', 'VEN'), ('Bonaire Sint Eustatius and Saba', 'BES'), ('Bosnia and Herzegovina', 'BIH'), ('Botswana', 'BWA'), ('Bouvet Island', 'BVT'), ('Brazil', 'BRA'), ('British Indian Ocean Territory', 'IOT'), ('British Virgin Islands (GBR)', 'VGB'), ('Brunei Darussalam', 'BRN'), ('Bulgaria', 'BGR'), ('Burkina Faso', 'BFA'), ('Burundi', 'BDI'), ('Cambodia', 'KHM'), ('Cameroon', 'CMR'), ('Canada', 'CAN'), ('Cape Verde', 'CPV'), ('Cayman Islands (GBR)', 'CYM'), ('Central African Republic', 'CAF'), ('Chile', 'CHL'), ('China', 'CHN'), ('China/India (Sovereignty unsettled)', 'XCI'), ('Christmas Island (AUS)', 'CXR'), ('Cocos (Keeling) Islands', 'CCK'), ('Colombia', 'COL'), ('Comoros', 'COM'), ('Cook Islands', 'COK'), ('Costa Rica', 'CRI'), ('Croatia', 'HRV'), ('Cuba', 'CUB'), ('Curacao (K. of Netherlands)', 'CUW'), ('Cyprus', 'CYP'), ('Czech Republic', 'CZE'), ("Côte d'Ivoire", 'CIV'), ("Democratic Poeple's Rep. of Korea", 'PRK'), ('Democratic Republic of the Congo', 'COD'), ('Denmark', 'DNK'), ('Djibouti', 'DJI'), ('Dominica', 'DMA'), ('Dominican Republic', 'DOM'), ('Ecuador', 'ECU'), ('Egypt', 'EGY'), ('El Salvador', 'SLV'), ('Equatorial Guinea', 'GNQ'), ('Eritrea', 'ERI'), ('Estonia', 'EST'), ('Eswatini', 'SWZ'), ('Ethiopia', 'ETH'), ('Falkland Islands (Malvinas)', 'FLK'), ('Faroe Islands (DNK)', 'FRO'), ('Federated States of Micronesia', 'FSM'), ('Fiji', 'FJI'), ('Finland', 'FIN'), ('France', 'FRA'), ('French Guiana (FRA)', 'GUF'), ('French New Caledonia (FRA)', 'NCL'), ('French Polynesia', 'PYF'), ('French Southern and Antarctic Territories', 'ATF'), ('Gabon', 'GAB'), ('Gambia', 'GMB'), ('Georgia', 'GEO'), ('Germany', 'DEU'), ('Ghana', 'GHA'), ('Gibraltar', 'GIB'), ('Greece', 'GRC'), ('Greenland (DNK)', 'GRL'), ('Grenada', 'GRD'), ('Guadeloupe (FRA)', 'GLP'), ('Guam', 'GUM'), ('Guatemala', 'GTM'), ('Guernsey (GBR)', 'GGY'), ('Guinea', 'GIN'), ('Guinea-Bissau', 'GNB'), ('Guyana', 'GUY'), ('Haiti', 'HTI'), ("Hala'ib triangle (SDN)", 'XHT'), ('Heard Island and McDonald Islands (AUS)', 'HMD'), ('Holy See', 'VAT'), ('Honduras', 'HND'), ('Hong Kong', 'HKG'), ('Hungary', 'HUN'), ('Iceland', 'ISL'), ('Ilemi Triangle (SSD)', 'XIT'), ('India', 'IND'), ('Indonesia', 'IDN'), ('Iraq', 'IRQ'), ('Ireland', 'IRL'), ('Islamic Republic of Iran', 'IRN'), ('Isle of Man', 'IMN'), ('Israel', 'ISR'), ('Italy', 'ITA'), ('Jamaica', 'JAM'), ('Jammu and Kashmir', 'XJK'), ('Jan Mayen Island (NOR)', 'SJM'), ('Japan', 'JPN'), ('Jersey (GBR)', 'JEY'), ('Johnston Atoll', 'JTN'), ('Jordan', 'JOR'), ('Kazakhstan', 'KAZ'), ('Kenya', 'KEN'), ('Kiribati', 'KIR'), ('Kosovo (SRB)', 'KOS'), ('Kuril Islands (RUS)', 'XKI'), ('Kuwait', 'KWT'), ('Kyrgyzstan', 'KGZ'), ("Lao People's Democratic Republic", 'LAO'), ('Latvia', 'LVA'), ('Lebanon', 'LBN'), ('Lesotho', 'LSO'), ('Liberia', 'LBR'), ('Libya', 'LBY'), ('Liechtenstein', 'LIE'), ('Lithuania', 'LTU'), ('Luxembourg', 'LUX'), ("Ma'tan al-Sarra (EGY)", 'XMS'), ('Macao (CHN)', 'MAC'), ('Madagascar', 'MDG'), ('Malawi', 'MWI'), ('Malaysia', 'MYS'), ('Maldives', 'MDV'), ('Mali', 'MLI'), ('Malta', 'MLT'), ('Marshall Islands', 'MHL'), ('Martinique (FRA)', 'MTQ'), ('Mauritania', 'MRT'), ('Mauritius', 'MUS'), ('Mayotte (FRA)', 'MYT'), ('Mexico', 'MEX'), ('Midway Islands', 'MID'), ('Monaco', 'MCO'), ('Mongolia', 'MNG'), ('Montenegro', 'MNE'), ('Montserrat', 'MSR'), ('Morocco', 'MAR'), ('Mozambique', 'MOZ'), ('Myanmar', 'MMR'), ('Namibia', 'NAM'), ('Nauru', 'NRU'), ('Nepal', 'NPL'), ('Netherlands (Kingdom of the)', 'NLD'), ('New Zealand', 'NZL'), ('Nicaragua', 'NIC'), ('Niger', 'NER'), ('Nigeria', 'NGA'), ('Niue', 'NIU'), ('No code (ISO user specified)', 'AAA'), ('Norfolk Island (AUS)', 'NFK'), ('North Macedonia', 'MKD'), ('Northern Mariana Islands (USA)', 'MNP'), ('Norway', 'NOR'), ('Oman', 'OMN'), ('Pakistan', 'PAK'), ('Palau', 'PLW'), ('Panama', 'PAN'), ('Papua New Guinea', 'PNG'), ('Paracel Islands (Sovereignty unsettled)', 'XPI'), ('Paraguay', 'PRY'), ('Peru', 'PER'), ('Philippines', 'PHL'), ('Pitcairn Islands', 'PCN'), ('Plurinational State of Bolivia', 'BOL'), ('Poland', 'POL'), ('Portugal', 'PRT'), ('Puerto Rico', 'PRI'), ('Qatar', 'QAT'), ('Rep. of Chad', 'TCD'), ('Republic of Korea', 'KOR'), ('Republic of Moldova', 'MDA'), ('Republic of the Congo', 'COG'), ('Reunion (FRA)', 'REU'), ('Romania', 'ROU'), ('Russian Federation', 'RUS'), ('Rwanda', 'RWA'), ('Saint Barthelemy (FRA)', 'BLM'), ('Saint Helena', 'SHN'), ('Saint Kitts and Nevis', 'KNA'), ('Saint Lucia', 'LCA'), ('Saint Martin (FRA)', 'MAF'), ('Saint Pierre et Miquelon (FRA)', 'SPM'), ('Saint Vincent and the Grenadines', 'VCT'), ('Samoa', 'WSM'), ('San Marino', 'SMR'), ('Sao Tome and Principe', 'STP'), ('Sark (GBR)', 'XSA'), ('Saudi Arabia', 'SAU'), ('Scarborough Reef (Sovereignty unsettled)', 'XSR'), ('Senegal', 'SEN'), ('Senkaku Islands (Sovereignty unsettled)', 'XSI'), ('Serbia', 'SRB'), ('Seychelles', 'SYC'), ('Sierra Leone', 'SLE'), ('Singapore', 'SGP'), ('Sint Maarten (K. of Netherlands)', 'SXM'), ('Slovakia', 'SVK'), ('Slovenia', 'SVN'), ('Solomon Islands', 'SLB'), ('Somalia', 'SOM'), ('South Africa', 'ZAF'), ('South Georgia and the South Sandwich Islands (GBR)', 'SGS'), ('South Sudan', 'SSD'), ('Spain', 'ESP'), ('Spratly Islands (Sovereignty unsettled)', 'XSP'), ('Sri Lanka', 'LKA'), ('State of Palestine', 'PSE'), ('Sudan', 'SDN'), ('Suriname', 'SUR'), ('Sweden', 'SWE'), ('Switzerland', 'CHE'), ('Syrian Arab Republic', 'SYR'), ('Taiwan (CHN)', 'TWN'), ('Tajikistan', 'TJK'), ('Thailand', 'THA'), ('Timor-Leste', 'TLS'), ('Togo', 'TGO'), ('Tokelau', 'TKL'), ('Tonga', 'TON'), ('Trinidad and Tobago', 'TTO'), ('Tunisia', 'TUN'), ('Turkey', 'TUR'), ('Turkmenistan', 'TKM'), ('Turks and Caicos Islands (GBR)', 'TCA'), ('Tuvalu', 'TUV'), ('Uganda', 'UGA'), ('Ukraine', 'UKR'), ('United Arab Emirates', 'ARE'), ('United Kingdom of Great Britain and Northern Ireland', 'GBR'), ('United Republic of Tanzania', 'TZA'), ('United States Minor Outlying Islands', 'UMI'), ('United States Virgin Islands (USA)', 'VIR'), ('United States of America', 'USA'), ('Uruguay', 'URY'), ('Uzbekistan', 'UZB'), ('Vanuatu', 'VUT'), ('Viet Nam', 'VNM'), ('Wake Island', 'WAK'), ('Wallis and Futuna', 'WLF'), ('Western Sahara', 'ESH'), ('Yemen', 'YEM'), ('Zambia', 'ZMB'), ('Zimbabwe', 'ZWE')]
 rp_options = [10, 20, 50, 75, 100, 200, 500]
@@ -102,11 +122,22 @@ with gr.Blocks(title="Flood Raster Downloader") as demo:
 
     generate_btn = gr.Button("Generate Raster")
     status_text = gr.Markdown("")
-    file_output = gr.File(label="Download Raster", interactive=False)
+    file_output = gr.Files(label="Downloads", interactive=False)
 
     def wrapper(iso, rp):
-        path, msg = generate_raster(iso, rp)
-        return path, msg
+        raster_path, msg = generate_raster(iso, rp)
+        hotosm_path = download_hotosm_populated_places(iso)
+        
+        if not hotosm_path:
+            msg += " ⚠️ No HOTOSM populated places data found."
+
+        files = []
+        if raster_path:
+            files.append(raster_path)
+        if hotosm_path:
+            files.append(hotosm_path)
+
+        return files, msg
 
     generate_btn.click(fn=wrapper, inputs=[iso_input, rp_input], outputs=[file_output, status_text])
 

requirements.txt

@@ -2,8 +2,8 @@
 beautifulsoup4
 geopandas
 gradio
+matplotlib
+numpy
 rasterio
 requests
-shapely
-matplotlib
-numpy
+shapely