A python script to compare repositories by the amount of stars while removing people who stared on of the other repos before. See an example with IRC clients here: https://gist.github.com/Phoenix616/4a9a75d425b7913c6580c01265e465b6

github-compare-stars-date.py

# Copyright (c) 2018 Phoenix616 (Max Lee)
# 
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
# 
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
# 
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.

import sys
import os
import time
from github import Github

if len(sys.argv) < 3:
    print "Invalid syntax, you have to at least specify two repositories with " + sys.argv[0] + " <user/repo>...\n"
    quit()
    
g = Github("API-KEY", per_page=100)
    
useMarkdown = False

titleName = "Repository"
titleLatest = "latest"
titleTotal = "total"
titleDifference = "difference"
titleInfo = "stared latest"

repos = dict()
stargazer = dict()
longestRepo = 0;
for i in range(1, len(sys.argv)):
    if i == 1 and sys.argv[i] == "markdown=true":
       if len(sys.argv) < 4:
          print "Invalid syntax, you have to at least specify two repositories with " + sys.argv[0] + " markdown=true <user/repo>...\n"
          quit()
       useMarkdown = True
       print "Using markdown for table!\n"
       continue

    repoPath = sys.argv[i]
    
    if "/" not in repoPath:
        repoPath = repoPath + "/" + repoPath
    
    tablename = "[" + repoPath.split("/")[1] + "](https://github.com/" + repoPath + ")" if useMarkdown else repoPath
    if len(tablename) > longestRepo:
       longestRepo = len(tablename)
       
    repos[repoPath] = dict()
    repos[repoPath]["gazers"] = []
    repos[repoPath]["latestgazers"] = []
    repos[repoPath]["latest"] = dict()
    repos[repoPath]["tablename"] = tablename
    repo = g.get_repo(repoPath)
    
    path = "/tmp/star-date-" + repoPath.replace("/", "-", 1) + ".tmp"
    if os.path.isfile(path) and os.path.getmtime(path) + 60 * 60 * 1000 > time.time() and os.path.getsize(path) > 0:
        print "\nLoading", repoPath, "data from tmp file:"
        f = open(path,"r")
        l = 0
        for line in f.readlines():
            l += 1
            sys.stdout.write(unichr(9734))
            if l % 10 == 0:
                sys.stdout.flush()
            if l % 100 == 0:
                print " " if l < 1000 else "",l                
            parts = line.split(" ")
            if parts[0] not in stargazer:
                stargazer[parts[0]] = dict()
            stargazer[parts[0]][repoPath] = parts[1]
            repos[repoPath]["gazers"].append(parts[0])
                
        sys.stdout.flush()
        print " " if l < 1000 else "",l
    else:
        print "\nQuerying", repoPath, "data from GitHub API:"
        f = open(path,"w+")
        l = 0
        for user in repo.get_stargazers_with_dates():
            l += 1
            sys.stdout.write(unichr(9734))
            if l % 10 == 0:
                sys.stdout.flush()
            if l % 100 == 0:
                print " " if l < 1000 else "",l
            print >>f, user.user.login + " " + user.starred_at.strftime("%s")
            if user.user.login not in stargazer:
                stargazer[user.user.login] = dict()
            stargazer[user.user.login][repoPath] = user.starred_at.strftime("%s")
            repos[repoPath]["gazers"].append(user.user.login)
        f.close()
        sys.stdout.flush()
        print " " if l < 1000 else "",l

for user, repoDict in stargazer.iteritems():
    latestRepo = max(repoDict, key=repoDict.get)
    repos[latestRepo]["latestgazers"].append(user)
    
    for repo in repoDict:
        if repo != latestRepo:
            if latestRepo not in repos[repo]["latest"]:
                repos[repo]["latest"][latestRepo] = 1
            else:
                repos[repo]["latest"][latestRepo] = repos[repo]["latest"][latestRepo] + 1

print "\ntable:\n"
nameLength = longestRepo if longestRepo > len(titleName) else len(titleName)

print titleName.ljust(nameLength),"|",titleLatest,"|",titleTotal,"|",titleDifference,"|",titleInfo
print "-" * nameLength + "-|-" + "-" * len(titleLatest) + "-|-" + "-" * len(titleTotal) + "-|-" + "-" * len(titleDifference) + "-|-" + "-" * len(titleInfo)
for repo, info in sorted(repos.iteritems(), key=lambda x: len(x[1]["latestgazers"]), reverse=True):
    latestStaredRepos = []
    latestStaredReposOthers = []
    for repoName, stars in sorted(info["latest"].iteritems(), key=lambda x: x[1], reverse=True):
        if len(latestStaredRepos) < 4 or stars > (len(info["gazers"])-len(info["latestgazers"])) / 10:
            latestStaredRepos.append(("[" + repoName.split("/")[1] + "](https://github.com/" + repoName + ")" if useMarkdown else repoName) + "(" + str(stars) + ")")
        else:
            latestStaredReposOthers.append(("[" + repoName.split("/")[1] + "](https://github.com/" + repoName + ")" if useMarkdown else repoName) + "(" + str(stars) + ")")
    
    if len(latestStaredReposOthers) > 1:
        latestStaredRepos.append(str(len(latestStaredReposOthers)) + " others")
    elif len(latestStaredReposOthers) == 1:
        latestStaredRepos.append(latestStaredReposOthers[0])
    
    print info["tablename"].ljust(nameLength), "|", str(len(info["latestgazers"])).ljust(len(titleLatest)), "|", str(len(info["gazers"])).ljust(len(titleTotal)), "|", str((len(info["gazers"])-len(info["latestgazers"]))).ljust(len(titleDifference)), "|", ", ".join(latestStaredRepos)