def dfs_spider(url, word, max_pages):
pages_to_visit = [url]
pages_visited = {url}
number_of_pages_visited = 0
# pages_visited.add(url)
found_word = False
table_name = 'PageDetails'
create_table(table_name)
while number_of_pages_visited < max_pages and pages_to_visit != []:
number_of_pages_visited += 1
url = pages_to_visit.pop(0)
try:
print("---------------------------")
print(" ")
print(number_of_pages_visited, "Visiting:", url)
# print(number_of_pages_visited, "Visiting:", url)
crawler = WebCrawler()
data, links = crawler.get_links(url)
if data.find(word) > -1:
num_of_occurrences = len(list(find_all_occurrences(data, word)))
found_word = True
words = get_words(url)
page_details = get_page_details(url, word, num_of_occurrences, links)
add_item(page_details, table_name)
print(" ")
print("Found the keyword!")
print(" ")
print("The most relevant keywords in the page are: ")
print(words[:5])
for link in links:
if link not in pages_visited:
pages_visited.add(link)
pages_to_visit.insert(0, link)
except Exception as e:
print(str(e))
print("---------------------------")
print(" ")
if not found_word:
print("Keyword not found...")
G.add_node(word)
#urls = response(['Items'])
# print(response)
for url in response['Items']:
G.add_node(url['url'])
G.add_edge(word,url['url'],weight = url['word_count'])
nx.draw(G,with_labels=True)
plt.savefig("chart.png")
plt.show()
if __name__ == '__main__':
table_name = 'PageDetails'
db.create_table(table_name)
item = {}
item['url'] = 'url1'
item['word'] = 'word1'
item['word_count'] = 15
item['hyperlinks'] = ['hard', 'to', 'combine']
db.add_item(item, table_name)
item2 = {}
item2['url'] = 'hard'
item2['word'] = 'word1'
item2['word_count'] = 16
item2['hyperlinks'] = ['blabla', 'to', 'combine']
db.add_item(item2, table_name)
draw_chart("word1",2)
