i mean numba instead of number ☺ On Wed, 22 Jan 2020, 1:34 am AAKASH JANA <aakashjana2...@gmail.com wrote:
> i have been fairly confused as to what would be the best option for an all > in all python compiler (i am talking the cpython , number type compiler) to > use for basic projects. Like sorting and searching algorithms to be > replicated without use of any builtins. Please help > > On Tue, 21 Jan 2020, 9:52 pm Maxime S <maxischm...@gmail.com wrote: > >> Hi, >> >> Le ven. 17 janv. 2020 à 20:11, Frank Millman <fr...@chagford.com> a >> écrit : >> >> >> > It works perfectly. However, some pdf's can be large, and there could be >> > concurrent requests, so I wanted to minimise the memory footprint. So I >> > tried passing the client_writer directly to the handler - >> > >> > await pdf_handler(client_writer) >> > client_writer.write(b'\r\n') >> > >> > It works! ReportLab accepts client_writer as a file-like object, and >> > writes to it directly. I cannot use chunking, so I just let it do its >> > thing. >> > >> > Can anyone see any problem with this? >> > >> > >> If the socket is slower than the PDF generation (which is probably always >> the case, unless you have a very fast network), it will still have to be >> buffered in memory (in this case in the writer buffer). Since writer.write >> is non-blocking but is not a coroutine, it has to buffer. There is an >> interesting blog post about that here that I recommend reading: >> https://lucumr.pocoo.org/2020/1/1/async-pressure/ >> >> Unfortunately, there is no way to avoid buffering the entire pdf in memory >> without modifying reportlab to make it async-aware. >> >> This version is still better than the one with BytesIO though because in >> that version the pdf was buffered twice, once in BytesIO and once in the >> writer, although you can fix that by using await writer.drain() after each >> write and then the two versions are essentially equivalent. >> >> Regards, >> >> Maxime. >> -- >> https://mail.python.org/mailman/listinfo/python-list >> > -- https://mail.python.org/mailman/listinfo/python-list
