{"id":91031,"date":"2025-01-03T04:17:42","date_gmt":"2025-01-03T00:47:42","guid":{"rendered":"https:\/\/nabfollower.com\/blog\/%db%8c%da%a9-%da%98%d9%86%d8%b1%d8%a7%d8%aa%d9%88%d8%b1-%d9%86%d8%a7%d9%87%d9%85%d8%b2%d9%85%d8%a7%d9%86-%d9%85%d8%aa%d9%86%d8%a7%d9%88%d8%a8-%d8%af%d8%b1-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86\/"},"modified":"2025-01-03T04:17:42","modified_gmt":"2025-01-03T00:47:42","slug":"%db%8c%da%a9-%da%98%d9%86%d8%b1%d8%a7%d8%aa%d9%88%d8%b1-%d9%86%d8%a7%d9%87%d9%85%d8%b2%d9%85%d8%a7%d9%86-%d9%85%d8%aa%d9%86%d8%a7%d9%88%d8%a8-%d8%af%d8%b1-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86","status":"publish","type":"post","link":"https:\/\/nabfollower.com\/blog\/%db%8c%da%a9-%da%98%d9%86%d8%b1%d8%a7%d8%aa%d9%88%d8%b1-%d9%86%d8%a7%d9%87%d9%85%d8%b2%d9%85%d8%a7%d9%86-%d9%85%d8%aa%d9%86%d8%a7%d9%88%d8%a8-%d8%af%d8%b1-%d9%be%d8%a7%db%8c%d8%aa%d9%88%d9%86\/","title":{"rendered":"\u06cc\u06a9 \u0698\u0646\u0631\u0627\u062a\u0648\u0631 \u0646\u0627\u0647\u0645\u0632\u0645\u0627\u0646 \u0645\u062a\u0646\u0627\u0648\u0628 \u062f\u0631 \u067e\u0627\u06cc\u062a\u0648\u0646"},"content":{"rendered":"
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from<\/span> asyncio<\/span> import<\/span> run<\/span>,<\/span> sleep<\/span>\n\nclass<\/span> AlternatingGenerator<\/span>:<\/span>\n    def<\/span> __init__<\/span>(<\/span>self<\/span>,<\/span> gen1<\/span>,<\/span> gen2<\/span>):<\/span>\n        self<\/span>.<\/span>gen1<\/span> =<\/span> gen1<\/span>\n        self<\/span>.<\/span>gen2<\/span> =<\/span> gen2<\/span>\n        self<\/span>.<\/span>next<\/span> =<\/span> gen1<\/span>\n\n    def<\/span> __aiter__<\/span>(<\/span>self<\/span>):<\/span>\n        return<\/span> self<\/span>\n\n    async<\/span> def<\/span> __anext__<\/span>(<\/span>self<\/span>):<\/span>\n\n        # if we are done we both generators\n<\/span>        if<\/span> not<\/span> self<\/span>.<\/span>gen1<\/span> and<\/span> not<\/span> self<\/span>.<\/span>gen2<\/span>:<\/span>\n            raise<\/span> StopAsyncIteration<\/span>\n\n        try<\/span>:<\/span>\n            # saving the current generator into a variable for later\n<\/span>            current<\/span> =<\/span> self<\/span>.<\/span>next<\/span>\n\n            # if the other genrerator is not null, alternating to it for the next iteration\n<\/span>            if<\/span> self<\/span>.<\/span>next<\/span> is<\/span> self<\/span>.<\/span>gen1<\/span> and<\/span> self<\/span>.<\/span>gen2<\/span>:<\/span>\n                self<\/span>.<\/span>next<\/span> =<\/span> self<\/span>.<\/span>gen2<\/span>\n            elif<\/span> self<\/span>.<\/span>next<\/span> is<\/span> self<\/span>.<\/span>gen2<\/span> and<\/span> self<\/span>.<\/span>gen1<\/span>:<\/span>\n                self<\/span>.<\/span>next<\/span> =<\/span> self<\/span>.<\/span>gen1<\/span>\n\n            # calling the generator of the current iteration and returning the next result\n<\/span>            return<\/span> await<\/span> anext<\/span>(<\/span>current<\/span>)<\/span>\n\n        except<\/span> StopAsyncIteration<\/span>:<\/span>\n\n            # unsetting the generator that just finished\n<\/span>            if<\/span> current<\/span> is<\/span> self<\/span>.<\/span>gen1<\/span>:<\/span>\n                self<\/span>.<\/span>gen1<\/span> =<\/span> None<\/span>\n            else<\/span>:<\/span>\n                self<\/span>.<\/span>gen2<\/span> =<\/span> None<\/span>\n\n            # recursive call, trying again with the other generator\n<\/span>            return<\/span> await<\/span> self<\/span>.<\/span>__anext__<\/span>()<\/span>\n\n\n\nasync<\/span> def<\/span> three<\/span>():<\/span>\n    for<\/span> i<\/span> in<\/span> range<\/span>(<\/span>3<\/span>,<\/span> 31<\/span>,<\/span> 10<\/span>):<\/span>\n        await<\/span> sleep<\/span>(<\/span>0.25<\/span>)<\/span>\n        yield<\/span> i<\/span>\n\n\nasync<\/span> def<\/span> five<\/span>():<\/span>\n    for<\/span> i<\/span> in<\/span> range<\/span>(<\/span>5<\/span>,<\/span> 101<\/span>,<\/span> 10<\/span>):<\/span>\n        await<\/span> sleep<\/span>(<\/span>0.25<\/span>)<\/span>\n        yield<\/span> i<\/span>\n\nasync<\/span> def<\/span> main<\/span>():<\/span>\n    gen<\/span> =<\/span> AlternatingGenerator<\/span>(<\/span>three<\/span>(),<\/span> five<\/span>())<\/span>\n\n    try<\/span>:<\/span>  # or just use \"async for item in gen:\"\n<\/span>        while<\/span> True<\/span>:<\/span>\n            print<\/span>(<\/span>await<\/span> anext<\/span>(<\/span>gen<\/span>))<\/span>\n    except<\/span> StopAsyncIteration<\/span>:<\/span>\n        pass<\/span>\n\nif<\/span> __name__<\/span> ==<\/span> '<\/span>__main__<\/span>'<\/span>:<\/span>\n    run<\/span>(<\/span>main<\/span>())<\/span>\n<\/code><\/pre>\n
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\n    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    \n<\/svg><\/p>\n
    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    \n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n
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$ python alternating_generator.py \n3\n5\n13\n15\n23\n25\n35\n45\n55\n65\n75\n85\n95\n<\/code><\/pre>\n
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\n    \u0648\u0627\u0631\u062f \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0634\u0648\u06cc\u062f<\/title>\n    \n<\/svg><\/p>\n
    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    \n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"
from asyncio import run, sleep class AlternatingGenerator: def __init__(self, gen1, gen2): self.gen1 = gen1 self.gen2 = gen2 self.next = gen1 def __aiter__(self): return self async def __anext__(self): # if we are done we both generators if not self.gen1 and not self.gen2: raise StopAsyncIteration try: # saving the current generator into a variable for later current …<\/p>\n","protected":false},"author":2,"featured_media":91032,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"https:\/\/media2.dev.to\/dynamic\/image\/width=1000,height=500,fit=cover,gravity=auto,format=auto\/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Flmi553nmbrzna99odz18.png","fifu_image_alt":"","footnotes":""},"categories":[339],"tags":[],"class_list":["post-91031","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dev"],"_links":{"self":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts\/91031","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/comments?post=91031"}],"version-history":[{"count":0,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/posts\/91031\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/media\/91032"}],"wp:attachment":[{"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/media?parent=91031"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/categories?post=91031"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nabfollower.com\/blog\/wp-json\/wp\/v2\/tags?post=91031"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}