Re: PEP 638: Syntactic macros
Jelle Zijlstra <[email protected]> Fri, 3 Feb 2023 08:52:41 -0800
| Newsgroups | gmane.comp.python.devel |
|---|---|
| Message-ID | <CAFp3-p-MBUi7ZW7fPsbEFv3EuzTrM3qHzX0Mg5K=KLW0Nh96Bw@mail.gmail.com> |
--===============8553807973185196686== Content-Type: multipart/alternative; boundary="000000000000222d4905f3ce83c3" --000000000000222d4905f3ce83c3 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable El vie, 3 feb 2023 a las 8:01, St=C3=A9fane Fermigier (<[email protected]>) escribi=C3=B3: > " > > > On Fri, Feb 3, 2023 at 12:28 PM Stephen J. Turnbull < > [email protected]> wrote: > >> St=C3=A9fane Fermigier writes: >> >> > NB: on a very basic level, I remember trying, a few years ago, to use >> the >> > Unicode "empty set" symbol as a synonym for set(), and it didn't end >> well, >> > for several reasons, including the fact that Python didn't like it as= a >> > variable name. >> >> I know about the issue that '=E2=88=85' is not valid in identifiers, but= I'm >> curious about these other "several reasons". >> > > IIRC (this was a few years back): '=E2=88=85' (aka EMPTY SET) was not ac= cepted by > Python, so I used instead ''=C3=98" (aka "LATIN CAPITAL LETTER O WITH STR= OKE"). > > Python was OK with it, but some of the tools I use (one of flake8, isort, > black... or maybe one of my IDE) barfed on it. > Black is fine with it; we've had the empty set symbol in our own source code since the beginning ( https://github.com/psf/black/blob/b0d1fba7ac3be53c71fb0d3211d911e629f8aecb/= src/black/linegen.py#L455 now). I believe we've had someone ask that we remove it because it was breaking some tool that was processing the Black source code, but =C5=81uka= sz wasn't having it. > > S. > > -- > Stefane Fermigier - http://fermigier.com/ - http://twitter.com/sfermigier > - http://linkedin.com/in/sfermigier > Founder & CEO, Abilian - Enterprise Social Software - > http://www.abilian.com/ > Co-Founder & Co-Chairman, National Council for Free & Open Source Softwar= e > (CNLL) - http://cnll.fr/ > Co-Founder & Chairman, Association Professionnelle Europ=C3=A9enne du Log= iciel > Libre (APELL) - https://www.apell.info/ > Co-Founder & Spokesperson, European Cloud Industrial Alliance (EUCLIDIA) = - > https://www.euclidia.eu/ > > "I wish you were as accurate, & as much to be relied on, as I am myself" > - Lady Ada Lovelace > _______________________________________________ > Python-Dev mailing list -- [email protected] > To unsubscribe send an email to [email protected] > https://mail.python.org/mailman3/lists/python-dev.python.org/ > Message archived at > https://mail.python.org/archives/list/[email protected]/message/H2UAL= G4YAA6IBMZQMWEL2QIOPDPK4RTG/ > Code of Conduct: http://python.org/psf/codeofconduct/ > --000000000000222d4905f3ce83c3 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable <div dir=3D"ltr"><div dir=3D"ltr"><br></div><br><div class=3D"gmail_quote">= <div dir=3D"ltr" class=3D"gmail_attr">El vie, 3 feb 2023 a las 8:01, St=C3= =A9fane Fermigier (<<a href=3D"mailto:[email protected]">[email protected]= </a>>) escribi=C3=B3:<br></div><blockquote class=3D"gmail_quote" style= =3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding= -left:1ex"><div dir=3D"ltr">"<div dir=3D"ltr"><br></div><br><div class= =3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Fri, Feb 3, 2023 = at 12:28 PM Stephen J. Turnbull <<a href=3D"mailto:stephenjturnbull@gmai= l.com" target=3D"_blank">[email protected]</a>> wrote:<br></div= ><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border= -left:1px solid rgb(204,204,204);padding-left:1ex">St=C3=A9fane Fermigier w= rites:<br> <br> =C2=A0> NB: on a very basic level, I remember trying, a few years ago, t= o use the<br> =C2=A0> Unicode "empty set" symbol as a synonym for set(), and= it didn't end well,<br> =C2=A0> for several reasons, including the fact that Python didn't l= ike it as a<br> =C2=A0> variable name.<br> <br> I know about the issue that '=E2=88=85' is not valid in identifiers= , but I'm<br> curious about these other "several reasons".<br></blockquote><div= ><br></div><div>IIRC (this was a few years back):=C2=A0 '=E2=88=85'= (aka EMPTY SET) was not accepted by Python, so I used instead ''= =C3=98" (aka "LATIN CAPITAL LETTER O WITH STROKE"). <br></di= v><div><br></div><div>Python was OK with it, but some of the tools I use (o= ne of flake8, isort, black... or maybe one of my IDE) barfed on it.<br></di= v></div></div></blockquote><div><br></div><div>Black is fine with it; we= 9;ve had the empty set symbol in our own source code since the beginning (<= a href=3D"https://github.com/psf/black/blob/b0d1fba7ac3be53c71fb0d3211d911e= 629f8aecb/src/black/linegen.py#L455">https://github.com/psf/black/blob/b0d1= fba7ac3be53c71fb0d3211d911e629f8aecb/src/black/linegen.py#L455</a> now). I = believe we've had someone ask that we remove it because it was breaking= some tool that was processing the Black source code, but=C2=A0=C5=81ukasz = wasn't having it.</div><div>=C2=A0</div><blockquote class=3D"gmail_quot= e" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204)= ;padding-left:1ex"><div dir=3D"ltr"><div class=3D"gmail_quote"><div></div><= div><br></div><div>=C2=A0 S.</div><div><br></div></div>-- <br><div dir=3D"l= tr"><div dir=3D"ltr"><div><div dir=3D"ltr"><div><div dir=3D"ltr"><div><div = dir=3D"ltr"><div><div dir=3D"ltr"><div dir=3D"ltr"><div dir=3D"ltr"><div di= r=3D"ltr">Stefane Fermigier - <a href=3D"http://fermigier.com/" target=3D"_= blank">http://fermigier.com/</a> - <a href=3D"http://twitter.com/sfermigier= " target=3D"_blank">http://twitter.com/sfermigier</a> - <a href=3D"http://l= inkedin.com/in/sfermigier" target=3D"_blank">http://linkedin.com/in/sfermig= ier</a><br>Founder & CEO, Abilian - Enterprise Social Software - <a hre= f=3D"http://www.abilian.com/" target=3D"_blank">http://www.abilian.com/</a>= </div><div dir=3D"ltr">Co-Founder & Co-Chairman, National Council for F= ree & Open Source Software (CNLL) - <a href=3D"http://cnll.fr/" target= =3D"_blank">http://cnll.fr/</a></div><div dir=3D"ltr">Co-Founder & Chai= rman, Association Professionnelle Europ=C3=A9enne du Logiciel Libre (APELL)= -=C2=A0<a href=3D"https://www.apell.info/" target=3D"_blank">https://www.a= pell.info/</a></div><div dir=3D"ltr">Co-Founder & Spokesperson, Europea= n Cloud Industrial Alliance (EUCLIDIA) -=C2=A0<a href=3D"https://www.euclid= ia.eu/" target=3D"_blank">https://www.euclidia.eu/</a> <br></div><div dir= =3D"ltr"><br></div><div dir=3D"ltr">"<span>I wish you were as accurate= , & as much to be relied on, as I am myself" - Lady Ada Lovelace<= br></span></div></div></div></div></div></div></div></div></div></div></div= ></div></div></div> _______________________________________________<br> Python-Dev mailing list -- <a href=3D"mailto:[email protected]" target= =3D"_blank">[email protected]</a><br> To unsubscribe send an email to <a href=3D"mailto:[email protected]= rg" target=3D"_blank">[email protected]</a><br> <a href=3D"https://mail.python.org/mailman3/lists/python-dev.python.org/" r= el=3D"noreferrer" target=3D"_blank">https://mail.python.org/mailman3/lists/= python-dev.python.org/</a><br> Message archived at <a href=3D"https://mail.python.org/archives/list/python= [email protected]/message/H2UALG4YAA6IBMZQMWEL2QIOPDPK4RTG/" rel=3D"noreferre= r" target=3D"_blank">https://mail.python.org/archives/list/python-dev@pytho= n.org/message/H2UALG4YAA6IBMZQMWEL2QIOPDPK4RTG/</a><br> Code of Conduct: <a href=3D"http://python.org/psf/codeofconduct/" rel=3D"no= referrer" target=3D"_blank">http://python.org/psf/codeofconduct/</a><br> </blockquote></div></div> --000000000000222d4905f3ce83c3-- --===============8553807973185196686== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline