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+Date: Tue, 16 Feb 2016 09:56:42 -0800\r
+From: "W. Trevor King" <wking@tremily.us>\r
+To: David Bremner <david@tethera.net>\r
+Cc: notmuch@notmuchmail.org\r
+Subject: Re: [PATCH] nmbug: Allow Unicode tags and IDs in Python 2\r
+Message-ID: <20160216175641.GN4265@odin.tremily.us>\r
+References:\r
+ <e287050a10ce1d2120db996d2d200f610370a44e.1455513965.git.wking@tremily.us>\r
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+--b1CVx77D595wdcW8\r
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+\r
+On Tue, Feb 16, 2016 at 09:04:07AM -0400, David Bremner wrote:\r
+> W. Trevor King writes:\r
+> > Coercing to UTF-8 (regardless of locale) gives us consistent tag\r
+> > IDs for sharing between users.\r
+>=20\r
+> I'm not sure what "tag IDs" are. Do you mean message-ids here? or "tags\r
+> and IDs"?\r
+\r
+Yeah. I'll fix that in v2.\r
+\r
+> At first I thought there might be problems with non-utf8 message-ids,\r
+> but that turns out not to be the case [1]. It seems like it would take\r
+> a fairly heroic effort to get non-UTF8 tags into the database (perhaps\r
+> by calling the library interface with bad strings?) so we can probably\r
+> ignore this case. It might be good to document the limitation though,\r
+> since AFAIK, dump and restore can roundtrip any old crap.\r
+\r
+How about in a NEWS entry in v2 of this series, and then echoing that\r
+NEWS entry in the notmuch-dtags (or whatever) man page once I work up\r
+that series?\r
+\r
+> > The 'isnumeric' check identifies Unicode instances in both Python\r
+> > 2 [9] and Python 3 [10].\r
+>=20\r
+> I still haven't really tried to understand this part, but probably\r
+> it deserves inline documentation.\r
+\r
+It's just =E2=80=9Cif you have a Unicode instance (str in Python 3, unicode=\r
+ in\r
+Python 2), convert it to bytes (bytes in Python 3, str in Python 2).\r
+Only Unicode instances will have an =E2=80=98isnumeric=E2=80=99 method, so =\r
+it's a\r
+convenient marker for switching that logic. I'll add a =E2=80=9Cconvert fr=\r
+om\r
+Unicode if necessary=E2=80=9D comment to v2.\r
+\r
+> > I haven't checked the other commands for issues with Unicode IDs\r
+> > or tags. It's possible that in addition to this explicit encoding\r
+> > to UTF-8, we'll also want explicit decoding from UTF-8 when\r
+> > reading from Git trees (for 'nmbug checkout' and 'nmbug status').\r
+>=20\r
+> Yes, this seems to be a problem, with the patch applied I can\r
+> commit, but the same utf-8 message-id causes problems.\r
+\r
+Ugh. Thanks for checking. I'll try to fix all the places where this\r
+would have an impact in v2 of this series.\r
+\r
+Cheers,\r
+Trevor\r
+\r
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projects / notmuch-archives.git / commitdiff