get data from API automatically (with cache logic), table generation/display with API data

cli.py

@@ -5,50 +5,75 @@ A simple CLI implementation using the application's API.
 """
 
 import curses
-import random
-import shutil
-import string
+from datetime import datetime
+from typing import List
 
+import pytz
+import requests
 from terminaltables import SingleTable
 
-def generateTable() -> SingleTable:
-    tableData = [team() for _ in range(5)]
-    tableData.insert(0, ['Rank', 'ID', 'Team Name'] + list(map(str, range(1, 18))))
-    return SingleTable(tableData)
+scores: List[dict] = []
+lastAttempt: float = -1
+lastUpdate: datetime = None
 
 
-def team():
-    return [random.randint(1, 15), random.randint(1, 30), ''.join(random.choices(string.ascii_letters, k=18))] + [random.randint(0, 9) for _ in range(20)]
+def refreshScores() -> None:
+    global lastUpdate, lastAttempt, scores
+
+    # Send with If-Modified-Since header if this is not the first time
+    headers = {'If-Modified-Since': lastUpdate.strftime('%a, %d %b %Y %I:%M:%S %Z')} if lastUpdate else {}
+    # Send request with headers
+    resp = requests.get('http://localhost:5000/api/scores/', headers=headers)
+
+    if resp.ok:
+        if resp.status_code == 304 and len(scores) != 0:
+            pass
+        else:
+            # Changes found, update!
+            lastUpdate = datetime.now(pytz.utc)
+            print(f'"{resp.text}"')
+            scores = resp.json()
 
 
-def main(stdscr):
+def main(screen):
     while True:
-        y, x = stdscr.getmaxyx()
-        stdscr.clear()
+        # Get current terminal size and clear
+        y, x = screen.getmaxyx()
+        screen.clear()
 
+        global scores
         # Print Table to screen
-        table = generateTable()
-        for i, stringRow in enumerate(table.table.split('\n')):
-            stdscr.addstr(i, 0, stringRow[:x])
-        stdscr.addstr(y - 1, 0, str((x, y)))
+        table = [[-1, team['id'], team['name'], team['total'], *team['scores']] for team in scores[:y - 4]]
+        table.insert(0, ['Rank', 'ID', 'Team Name', 'Total'])
+
+        table = SingleTable(table)
+
+        for i, stringRow in enumerate(table.table.split('\n')[:y]):
+            screen.addstr(i, 0, stringRow[:x])
+        screen.addstr(y - 1, 1, str((x, y)))
+
         # Check for quit key
-        key = stdscr.getch()
+        key = screen.getch()
         if key == ord('q'):
             break
 
-        stdscr.refresh()
+        screen.refresh()
 
 
 if __name__ == "__main__":
-    screen = curses.initscr()
+    stdscr = curses.initscr()
+    # Setup curses friendly terminal flags, run app
     try:
+        refreshScores()
         curses.cbreak()
-        screen.nodelay(1)
+        stdscr.nodelay(1)
         curses.noecho()
-        screen.keypad(True)
-        main(screen)
+        curses.curs_set(False)
+        stdscr.keypad(True)
+        main(stdscr)
+    # Undo curses terminal options
     finally:
-        screen.clear()
+        stdscr.clear()
         curses.nocbreak()
         curses.echo()
         curses.endwin()

requirements.txt

@@ -1,2 +1,3 @@
 Flask~=1.1.2
 APScheduler~=3.6.3
+windows-curses