5c8be4428b
Previously, empty bang searches would redirect to the Whoogle instance home page. This now redirects to the specific site for the bang search instead (i.e. "!yt" without a query redirects to "youtube.com", "!gh" to "github.com", etc) Fixes #719
77 lines
2.2 KiB
Python
77 lines
2.2 KiB
Python
import json
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import requests
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import urllib.parse as urlparse
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DDG_BANGS = 'https://duckduckgo.com/bang.v255.js'
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def gen_bangs_json(bangs_file: str) -> None:
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"""Generates a json file from the DDG bangs list
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Args:
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bangs_file: The str path to the new DDG bangs json file
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Returns:
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None
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"""
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try:
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# Request full list from DDG
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r = requests.get(DDG_BANGS)
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r.raise_for_status()
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except requests.exceptions.HTTPError as err:
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raise SystemExit(err)
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# Convert to json
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data = json.loads(r.text)
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# Set up a json object (with better formatting) for all available bangs
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bangs_data = {}
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for row in data:
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bang_command = '!' + row['t']
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bangs_data[bang_command] = {
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'url': row['u'].replace('{{{s}}}', '{}'),
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'suggestion': bang_command + ' (' + row['s'] + ')'
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}
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json.dump(bangs_data, open(bangs_file, 'w'))
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print('* Finished creating ddg bangs json')
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def resolve_bang(query: str, bangs_dict: dict) -> str:
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"""Transform's a user's query to a bang search, if an operator is found
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Args:
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query: The search query
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bangs_dict: The dict of available bang operators, with corresponding
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format string search URLs
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(i.e. "!w": "https://en.wikipedia.org...?search={}")
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Returns:
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str: A formatted redirect for a bang search, or an empty str if there
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wasn't a match or didn't contain a bang operator
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"""
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# Ensure bang search is case insensitive
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query = query.lower()
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split_query = query.split(' ')
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for operator in bangs_dict.keys():
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if operator not in split_query \
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and operator[1:] + operator[0] not in split_query:
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continue
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bang_query = query.replace(
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operator if operator in split_query else operator[1:] +
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operator[0], ''
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).strip()
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bang_url = bangs_dict[operator]['url']
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if bang_query:
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return bang_url.replace('{}', bang_query, 1)
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else:
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parsed_url = urlparse.urlparse(bang_url)
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return f'{parsed_url.scheme}://{parsed_url.netloc}'
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return ''
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