May 2026
Intermediate
418 pages
10h 50m
Italian
Content preview from Python per Excel (Italian Edition), 2nd Edition
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Capitolo 10. Il Python Package Tracker
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In questo capitolo creeremo una tipica applicazione aziendale che scarica dati da Internet e li memorizza in un database prima di visualizzarli in Excel. Questo ti aiuterà a capire quale ruolo svolge xlwings in un'applicazione di questo tipo e ti permetterà di vedere quanto sia facile connettersi a sistemi esterni con Python. Nel tentativo di realizzare un progetto che sia vicino a un'applicazione reale ma relativamente semplice da seguire, ho ideato il Python Package Tracker, uno strumento Excel che mostra il numero di release all'anno per un determinato pacchetto Python. Nonostante si tratti di un caso di studio, potresti trovare lo strumento utile per capire se un certo pacchetto Python è in fase di sviluppo attivo o meno.
Dopo aver preso confidenza con l'applicazione, esamineremo alcuni argomenti che dobbiamo comprendere per poter seguire il suo codice: vedremo come scaricare dati da Internet e come interagire con i database prima di approfondire la gestione delle eccezioni in Python, un concetto importante quando si tratta di sviluppo di applicazioni. Una volta terminati questi preliminari, esamineremo i componenti di Python Package Tracker per vedere come tutto si incastra. Per concludere questo capitolo, vedremo come funziona il debug del codice xlwings. Come negli ultimi due capitoli, questo capitolo ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.