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A semestral project created at FIT CTU for a Python course. The first part is a web scraper that scrapes a reality website and stores the scraped data using the framework Scrapy. These data are then cleaned and polished. Finally, using the Dash framework, a simple visualization app is used to visualize these data with various charts.

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webscraper-and-vizualization's Introduction

Dokumentace semestrální práce

Zadání: Web scraper vybraných realitních stránek, který bude stahovat údaje o prodávané nemovitosti (lokalita, cena, typ nemovitosti, rozloha...) s využitím frameworku Scrapy. Získaná data bude exportovat do souborů .csv formátu. Aplikace poté bude porovnávat ceny nemovitostí v uživatelem zvolené lokalitě, typy nemovistostí - např. porovnání cen za m2, porovnání cen bytů s n počtem místností (vizualizace).

Požadavky na software:

  • Python (2.7 a vyšší)
  • scrapy (verze 2.0 a vyšší)

Spuštění aplikace:

pozn.: spouští se pouze vizualizační část semestrální práce, scrapování se spustí příkazem: python run_spiders.py

Testování:

  • $ pytest (otestuje čištění dat)
  • $ scrapy check (otestuje webscraper)
  • $ scrapy crawl testingbot (bude scrapovat pouze 1.stránku dané url, výsledná data se nachází v webscraper/output_files/test_realities.csv)

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