Created
August 1, 2019 00:10
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Wikipedia Scraper with networkX graphing, faster setup than neo4j version
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import requests, bs4 as bs, time as t,re,networkx as nx,matplotlib.pyplot as plot | |
graph = nx.Graph() | |
def getBSoupFromLink(link): | |
return bs.BeautifulSoup(requests.get(link).text,"html.parser") | |
for x in range(10): | |
curLink = "/wiki/Special:Random" | |
startingTitle = "Random" | |
for x in range(5): | |
startingLink = curLink | |
bsoup = getBSoupFromLink("https://en.wikipedia.org"+curLink) | |
heading = bsoup.find("h1",attrs={"id":"firstHeading"}).text | |
tables = bsoup.find_all("table") | |
if len(tables) > 0: | |
infotable = tables | |
for table in infotable: | |
table.decompose() | |
thumbs = bsoup.find_all("div",class_=True) | |
if len(thumbs) > 0: | |
thumb = thumbs[0] | |
thumb.decompose() | |
mwpo = bsoup.find("div",attrs={"class":"mw-parser-output"}) | |
if mwpo: | |
links = mwpo.find_all("a",href=re.compile("^/w[^:#]*$"))#,class_=["mw-redirect",False]) | |
else: | |
break | |
for link in links: | |
if not ("anguage" in link["href"] or bool(re.search("[#?]",link["href"]))): | |
if not link.parent.has_attr("role") and not link.parent.has_attr("class") and not link.parent.name == u"i": | |
curLink = link["href"] | |
break | |
print(startingTitle,"->",heading, "\n", curLink, "\n", "-" * 50) | |
if not graph.has_node(heading): | |
graph.add_node(heading) | |
else: | |
if not graph.has_edge(startingTitle,heading): | |
graph.add_edge(startingTitle,heading) | |
print("node " + heading + " already exists") | |
break | |
if not graph.has_node(startingTitle): | |
graph.add_node(startingTitle) | |
if not graph.has_edge(startingTitle,heading): | |
graph.add_edge(startingTitle,heading) | |
else: | |
break | |
startingTitle = heading | |
nx.draw_networkx(graph,font_size = 5,nodesize=50) | |
plot.show() | |
nx.node_link_data() |
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