50 lines
1.4 KiB
Python
50 lines
1.4 KiB
Python
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import logging
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from url import construct_url
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from proxy import get_data_with_proxy
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logger = logging.getLogger(__name__)
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def _receive_links(title, connection):
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url = construct_url(title)
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result = get_data_with_proxy(url, connection)
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# This is basically because we don't know the page ID.
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for k, page_data in result["query"]["pages"].items():
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cursor = connection.cursor()
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if(not "links" in page_data):
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destination_title = page_data["title"].replace(" ", "_")
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# avoid 1-loops
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if(destination_title == title):
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pass
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cursor.execute("INSERT INTO links(source, destination) VALUES(?, ?)", (title, destination_title))
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yield destination_title
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else:
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for destination in page_data["links"]:
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destination_title = destination["title"].replace(" ", "_")
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cursor.execute("INSERT INTO links(source, destination) VALUES(?, ?)", (title, destination_title))
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yield destination_title
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connection.commit()
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def receive_links(title, connection):
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return list(_receive_links(title, connection))
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def receive_link_graph(title, connection, depth):
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if(depth < 0):
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# end of recursion
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return
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cursor = connection.cursor()
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cursor.execute("SELECT COUNT(source) FROM links WHERE source=?", (title,))
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if(cursor.fetchone()[0] != 0):
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# we fetched that title already
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return
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logger.info("fetching links for {}".format(title))
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for link in _receive_links(title, connection):
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receive_link_graph(link, connection, depth - 1)
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