import pydoc
try:
    from urllib.request import urlretrieve
except ImportError:
    from urllib import urlretrieve

url = ("https://raw.githubusercontent.com/satwikkansal/"
       "wtfpython/master/README.md")
file_name = "content.md"


def fetch_updated_doc():
    try:
        print("Fetching the latest version...")
        urlretrieve(url, file_name)
        print("Done!")
    except Exception as e:
        print(e)
        print("Uh oh, failed to check for the latest version, "
              "using the local version for now.")


def render_doc():
    with open(file_name, 'r') as f:
        content = f.read()
        pydoc.pager(content)


def load_and_read():
    fetch_updated_doc()
    render_doc()


if __name__== "__main__":
    load_and_read()