Command line interface to look for arxiv articles from today using fzf. It also saved all opened articles

arxiv-today.py

#!/usr/bin/env python3
import arxiv
import feedparser
import re
import os
from pathlib import Path
from pyfzf.pyfzf import FzfPrompt
import webbrowser
import argparse
import sys

# Change subject according to your preference
Arxiv_Subject="math.PR"


RE_id = re.compile(r"^([0-9v\.]+)") #Regular expression for arxiv ids

def main() :
    Feed = feedparser.parse('https://export.arxiv.org/rss/'+Arxiv_Subject)
    fzf = FzfPrompt()
    re_titles=re.compile(r"\. \(arXiv:([0-9v\.]+) .*\)$")
    re_authors=re.compile(r"\<a href.*\>(.*)<\/a>")
    # TODO Add authors
    titles = [re.search(re_titles, point.title).group(1) + "\t"+ re.sub(re_titles,"",point.title) for point in Feed.entries]
    if len(titles)==0:
        print("No articles found")
        link=r"https://export.arxiv.org/rss/"+Arxiv_Subject
        print("Opening ",link)
        webbrowser.open(link, new = 2)
        exit("Check internet connection, or if it is a public holiday in the US")
    selected = fzf.prompt(titles,r" --with-nth=1.. --tac -m --preview  'arxiv-today.py {}' --preview-window=up" )


    if len(selected) > 0:
        home_dir= Path.home()
        filename = str(home_dir)
        file_object = open(filename+'/.arxiv-history', 'a')
        print("Files selected")
        print("")
        for article in selected:
            id_article= re.search(RE_id,article).group(1)
            title_article= article
            link=r"https://arxiv.org/abs/"+id_article
            print("Opening ",link)
            webbrowser.open(link, new = 2)
            file_object.write(article+"\n")

        print("")
        print("See you tomorrow!")
        file_object.close()
    else:
        print( "No articles selected")


def  preview(article_to_preview) :
    id_article= re.search(RE_id,article_to_preview).group(1)
    search = arxiv.Search(
      id_list = [id_article],
      max_results = 10,
      sort_by = arxiv.SortCriterion.SubmittedDate,
      sort_order = arxiv.SortOrder.Descending
    )
    for result in search.results():
        print(f"Title: {result.title}")
        print()
        Authors_art=[str(author) for author in result.authors]
        print("Authors: ", ", ".join(Authors_art))
        print()
        print("Abstract")
        print(result.summary)

if __name__ == "__main__":
    if len(sys.argv) == 1 :
        main()
    elif len(sys.argv) == 2 :
        preview(sys.argv[1])

Instruction: Just change the value of Arxiv_Subject to your preferred area.
Notice that the script requires arxiv.py and pyfzf.py, both of which can be downloaded via pip.