tle module¶

A script that downloads TLE files.

This file exists as a standalone script that is run separate from the rest of the kpno project. The script downloads every TLE from http://www.celestrak.com/NORAD/elements/. Upon download the TLE files are joined into one large TLE that is then compressed using gzip.

class tle.TLEHTMLParser[source]¶

Bases: html.parser.HTMLParser

Parser for finding TLE files.

data¶

Extracted data from the TLE website HTML.

Type:	list

clear_data()[source]¶: Clear the data list of this parser instance.

handle_starttag(tag, attrs)[source]¶

Extract TLE links from the HTML start tag.

Parameters:	tag (str) – The start tag attrs (list) – The attributes attached to the corresponding tag.

tle.download()[source]¶

Download a day’s TLE files.

Notes

On the website TLE files are separated by category. When downloaded, this method will combine them into one TLE file that is named with the date on which the TLE was downloaded. The TLE txt file is then compressed with gzip. The final file will be named date.txt.gz

The TLE files are located at http://www.celestrak.com/NORAD/elements/.

tle.download_url(link)[source]¶

Read the data at a url.

Parameters:	link (str) – The link to access and download data from.
Returns:	A requests.Response object containing data on success, or None on failure.
Return type:	requests.Response or None

tle.run_and_download()[source]¶

Runs the script and downloads the images.