Rosetta Code/Find unimplemented tasks: Difference between revisions

===mwclient===

<lang python>"""

Given the name of a language on Rosetta Code,

finds all tasks which are not implemented in that language.

"""

from operator import attrgetter

from typing import Iterator

import mwclient

URL = 'www.rosettacode.org'

API_PATH = '/mw/'

def unimplemented_tasks(language: str,

*,

url: str,

api_path: str) -> Iterator[str]:

"""Yields all unimplemented tasks for a specified language"""

site = mwclient.Site(url, path=api_path)

all_tasks = site.categories['Programming Tasks']

language_tasks = site.categories[language]

name = attrgetter('name')

all_tasks_names = map(name, all_tasks)

language_tasks_names = set(map(name, language_tasks))

for task in all_tasks_names:

if task not in language_tasks_names:

yield task

if __name__ == '__main__':

tasks = unimplemented_tasks('Python', url=URL, api_path=API_PATH)

print(*tasks, sep='\n')

</lang>

===Requests===

<lang python>"""

Given the name of a language on Rosetta Code,

finds all tasks which are not implemented in that language.

"""

from functools import partial

from operator import itemgetter

from typing import (Dict,

Iterator,

Union)

import requests

URL = 'http://www.rosettacode.org/mw/api.php'

REQUEST_PARAMETERS = dict(action='query',

list='categorymembers',

cmlimit=500,

rawcontinue=True,

format='json')

def unimplemented_tasks(language: str,

*,

url: str,

request_params: Dict[str, Union[str, int, bool]]

) -> Iterator[str]:

"""Yields all unimplemented tasks for a specified language"""

with requests.Session() as session:

tasks = partial(tasks_titles,

session=session,

url=url,

**request_params)

all_tasks = tasks(cmtitle='Category:Programming_Tasks')

language_tasks = set(tasks(cmtitle=f'Category:{language}'))

for task in all_tasks:

if task not in language_tasks:

yield task

def tasks_titles(*,

session: requests.Session,

url: str,

**params: Union[str, int, bool]) -> Iterator[str]:

"""Yields tasks names for a specified category"""

while True:

request = session.get(url, params=params)

data = request.json()

yield from map(itemgetter('title'), data['query']['categorymembers'])

query_continue = data.get('query-continue')

if query_continue is None:

return

params.update(query_continue['categorymembers'])

if __name__ == '__main__':

tasks = unimplemented_tasks('Python',

url=URL,

request_params=REQUEST_PARAMETERS)

print(*tasks, sep='\n')

</lang>

===urllib===