Update app.py

app.py

@@ -0,0 +1,45 @@
+import definitions
+import pandas as pdb
+from typing import NamedTuple, Dict
+
+_ROOT_DIR = definitions.get_project_root()
+
+
+class ZipCodeEntry(NamedTuple):
+    zip: str
+    city: str
+    state: str
+    lat: str
+    long: str
+    time_zone: str
+    dst_flags: bool
+
+
+def _load_zip_codes() -> Dict[str, ZipCodeEntry]:
+    df = pdb.read_csv(f'{_ROOT_DIR}/utils/us-zip-code-latitude-and-longitude.txt', dtype=str,
+                      sep=';')
+    zip_code_list = {}
+    # Zip;City;State;Latitude;Longitude;Timezone;Daylight savings time flag;geopoint
+    for _, row in df.iterrows():
+        zip_code = row.get('Zip')
+        if zip_code:
+            zip_code_entry = ZipCodeEntry(
+                zip=zip_code,
+                city=row.get('City'),
+                state=row.get('State'),
+                lat=row.get('Latitude'),
+                long=row.get('Longitude'),
+                time_zone=row.get('Timezone'),
+                dst_flags=row.get('Daylight savings time flag')
+            )
+            zip_code_list[zip_code] = zip_code_entry
+
+    return zip_code_list
+
+
+ZIP_CODE_LIST = _load_zip_codes()
+
+
+if __name__ == '__main__':
+    print(ZIP_CODE_LIST)
+    print(ZIP_CODE_LIST.get('62833'))