Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 3f5cbf87 authored by Nivesh Krishna's avatar Nivesh Krishna
Browse files

Merge branch 'add-calculator' into 'master' 

add calculator plugin

Closes backlog#683

See merge request !112
parents 4ae8725f cb8ab5c1

requirements-dev.txt

+1 −0
Original line number Diff line number Diff line
@@ -18,4 +18,5 @@ sphinxcontrib-programoutput==0.17 
sphinx-autobuild==2021.3.14

linuxdoc==20211220

aiounittest==1.4.1

numexpr==2.8.1

werkzeug==2.0.3

requirements.txt

+1 −1
Original line number Diff line number Diff line
@@ -16,5 +16,5 @@ langdetect==1.0.9 
setproctitle==1.2.2

redis==3.4.1

ring==0.7.3

numexpr==2.8.1

werkzeug==2.0.3

searx/plugins/__init__.py

+2 −0
Original line number Diff line number Diff line
@@ -29,6 +29,7 @@ logger = logger.getChild('plugins') 
from searx.plugins import (oa_doi_rewrite,

                           ahmia_filter,

                           hash_plugin,

                           calculator,

                           https_rewrite,

                           infinite_scroll,

                           self_info,
@@ -175,6 +176,7 @@ plugins.register(search_on_category_select) 
plugins.register(tracker_url_remover)

plugins.register(vim_hotkeys)

plugins.register(rest_api)

plugins.register(calculator)

# load external plugins

if 'plugins' in settings:

    plugins.register(*settings['plugins'], external=True)

searx/plugins/calculator.py

0 → 100644
+64 −0
Original line number Diff line number Diff line 
from searx import logger

from numexpr import evaluate

from flask_babel import gettext





name = gettext('Calculator')

description = gettext('This plugin extends results when the query is a mathematical expression')

default_on = True

logger = logger.getChild("calculator")





def check_if_loaded():

    logger.debug("initializing calculator plugin")





def is_really_big(query):

    # For cases like 2**99999**9999

    if len(query.split("**")) >= 3:

        return True

    # Add more cases if needed

    return False





def post_search(request, search):

    if search.search_query.pageno > 1:

        return

    try:

        query = search.search_query.query.lower()

        query = query.replace("x", "*")



        # Not going to compute if only one number is present

        try:

            x = int(query) or float(query)

            return

        except ValueError:

            pass



        # Not going to compute if no numbers are present

        if not any(i.isdigit() for i in query):

            return



        # Not going to compute the result if the query is too big

        if len(query) > 30:

            return



        # Not going to compute the result if the query is not within permissible range

        if is_really_big(query):

            raise OverflowError



        value = evaluate(query).item()

        if type(value) in (int, float):

            search.result_container.answers.clear()

            answer = "{} = {}".format(query, value)

            search.result_container.answers[answer] = {'answer': answer, 'calculator': True}

    except (ZeroDivisionError, ValueError, FloatingPointError, MemoryError, OverflowError) as e:

        answer = gettext('Error')

        search.result_container.answers[answer] = {'answer': answer, 'calculator': True}

    except Exception as e:

        logger.debug(e)



    return





check_if_loaded()

searx/settings.yml

+2 −2
Original line number Diff line number Diff line
@@ -108,8 +108,8 @@ outgoing: # communication with search engines 


# uncomment below section if you want to configure which plugin is enabled by default

#

# enabled_plugins:

#   - "HTTPS rewrite"

enabled_plugins:

  - "Calculator"

#   - ...



# Example to rewrite hostnames in external links