GNU bug report logs - #19472
Eww in Emacs 24.4 refuses to open local files

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: "Kelly Dean" <kelly <at> prtime.org>
To: bug-gnu-emacs <at> gnu.org
Subject: Eww in Emacs 24.4 refuses to open local files
Date: Tue, 30 Dec 2014 09:56:02 +0000

M-x eww /home/test/test.html → fail
M-x eww file://home/test/test.html → fail
M-x eww file:///home/test/test.html → fail
(eww-open-file "/home/test/test.html") → fail
(eww-open-file "file://home/test/test.html") → fail
(eww-open-file "file:///home/test/test.html") → fail
(eat-flaming-death) → fail

Message #8 received at 19472 <at> debbugs.gnu.org (full text, mbox):

From: Lars Magne Ingebrigtsen <larsi <at> gnus.org>
To: "Kelly Dean" <kelly <at> prtime.org>
Cc: 19472 <at> debbugs.gnu.org
Subject: Re: bug#19472: Eww in Emacs 24.4 refuses to open local files
Date: Tue, 30 Dec 2014 12:53:00 +0100

"Kelly Dean" <kelly <at> prtime.org> writes:

> M-x eww file:///home/test/test.html → fail

Works for me on the Emacs 24 branch:

`M-x eww RET file:///tmp/cert.html RET'

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

Message #11 received at 19472 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Lars Magne Ingebrigtsen <larsi <at> gnus.org>
Cc: kelly <at> prtime.org, 19472 <at> debbugs.gnu.org
Subject: Re: bug#19472: Eww in Emacs 24.4 refuses to open local files
Date: Tue, 30 Dec 2014 18:10:47 +0200

> From: Lars Magne Ingebrigtsen <larsi <at> gnus.org>
> Date: Tue, 30 Dec 2014 12:53:00 +0100
> Cc: 19472 <at> debbugs.gnu.org
> 
> "Kelly Dean" <kelly <at> prtime.org> writes:
> 
> > M-x eww file:///home/test/test.html → fail
> 
> Works for me on the Emacs 24 branch:

And for me in stock Emacs 24.4.

Message #14 received at 19472 <at> debbugs.gnu.org (full text, mbox):

From: Kelly Dean <kelly <at> prtime.org>
To: Lars Magne Ingebrigtsen <larsi <at> gnus.org>
Cc: Eli Zaretskii <eliz <at> gnu.org>, 19472 <at> debbugs.gnu.org
Subject: Re: bug#19472: Eww in Emacs 24.4 refuses to open local files
Date: Thu, 01 Jan 2015 04:14:15 +0000

Lars Magne Ingebrigtsen wrote:
>Works for me on the Emacs 24 branch:
>
>`M-x eww RET file:///tmp/cert.html RET'

I get the error ⌜This function requires Emacs to be compiled with libxml2⌝.

IOW, I can't read.

In my defense, ⌜/home/test/test.html⌝ produced the error ⌜/80 Name or service not known⌝, and ⌜file://home/test/test.html⌝ produced an FTP buffer with the error ⌜home: No address associated with hostname⌝, so by the time I tried ⌜file:///home/test/test.html⌝ and the debugger popped up yet again, I assumed the error was just another complaint about my syntax.

Sorry for the mistaken bug report.

Message #19 received at 19472-done <at> debbugs.gnu.org (full text, mbox):

From: Ivan Shmakov <ivan <at> siamics.net>
To: 19472-done <at> debbugs.gnu.org
Subject: Re: bug#19472: Eww in Emacs 24.4 refuses to open local files 
Date: Thu, 01 Jan 2015 11:12:20 +0000

Tags: notabug

>>>>> Kelly Dean <kelly <at> prtime.org> writes:
>>>>> Lars Magne Ingebrigtsen wrote:

 >> Works for me on the Emacs 24 branch:

 >> `M-x eww RET file:///tmp/cert.html RET'

 > I get the error ⌜This function requires Emacs to be compiled with
 > libxml2⌝.

 > IOW, I can't read.

 > In my defense, ⌜/home/test/test.html⌝ produced the error ⌜/80 Name or
 > service not known⌝,

	This could probably be improved, – either the error message, or
	the treatment of URIs which look like (absolute?) filenames.

 > and ⌜file://home/test/test.html⌝ produced an FTP buffer with the
 > error ⌜home: No address associated with hostname⌝,

	Indeed, a file://home/ URI means “get files from the host named
	‘home’.”  Cf.: file:/home/, which means “a directory named
	/home/ on the local filesystem.”

 > so by the time I tried ⌜file:///home/test/test.html⌝ and the debugger
 > popped up yet again, I assumed the error was just another complaint
 > about my syntax.

 > Sorry for the mistaken bug report.

	ACK, closing.

-- 
FSF associate member #7257  http://boycottsystemd.org/  … 3013 B6A0 230E 334A

Message #22 received at 19472 <at> debbugs.gnu.org (full text, mbox):

From: Lars Magne Ingebrigtsen <larsi <at> gnus.org>
To: 19472 <at> debbugs.gnu.org
Cc: kelly <at> prtime.org, ivan <at> siamics.net
Subject: Re: bug#19472: Eww in Emacs 24.4 refuses to open local files
Date: Fri, 02 Jan 2015 10:30:35 +0100

Ivan Shmakov <ivan <at> siamics.net> writes:

>  > and ⌜file://home/test/test.html⌝ produced an FTP buffer with the
>  > error ⌜home: No address associated with hostname⌝,
>
> 	Indeed, a file://home/ URI means “get files from the host named
> 	‘home’.”  Cf.: file:/home/, which means “a directory named
> 	/home/ on the local filesystem.”

Nobody can ever remember the syntax of a file: URI, though, so I think
`M-x eww' should DWIM it a bit.

If the URL is "/some/file/that/exists" or starts with "file:" and you
can then make (sort of) sense of it, then `M-x eww' should load that
file.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

Message #25 received at 19472 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Lars Magne Ingebrigtsen <larsi <at> gnus.org>
Cc: kelly <at> prtime.org, ivan <at> siamics.net, 19472 <at> debbugs.gnu.org
Subject: Re: bug#19472: Eww in Emacs 24.4 refuses to open local files
Date: Fri, 02 Jan 2015 12:44:12 +0200

> From: Lars Magne Ingebrigtsen <larsi <at> gnus.org>
> Date: Fri, 02 Jan 2015 10:30:35 +0100
> Cc: kelly <at> prtime.org, ivan <at> siamics.net
> 
> If the URL is "/some/file/that/exists" or starts with "file:" and you
> can then make (sort of) sense of it, then `M-x eww' should load that
> file.

What about "d:/some/file/that/exists" on Windows?

Message #28 received at 19472 <at> debbugs.gnu.org (full text, mbox):

From: Lars Magne Ingebrigtsen <larsi <at> gnus.org>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: kelly <at> prtime.org, ivan <at> siamics.net, 19472 <at> debbugs.gnu.org
Subject: Re: bug#19472: Eww in Emacs 24.4 refuses to open local files
Date: Fri, 02 Jan 2015 11:46:43 +0100

Eli Zaretskii <eliz <at> gnu.org> writes:

>> From: Lars Magne Ingebrigtsen <larsi <at> gnus.org>
>> Date: Fri, 02 Jan 2015 10:30:35 +0100
>> Cc: kelly <at> prtime.org, ivan <at> siamics.net
>> 
>> If the URL is "/some/file/that/exists" or starts with "file:" and you
>> can then make (sort of) sense of it, then `M-x eww' should load that
>> file.
>
> What about "d:/some/file/that/exists" on Windows?

Sure, that too.  The DWIM code should call `file-exists-p' a bit on
strings that look like they could possibly be files.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

Message #31 received at 19472 <at> debbugs.gnu.org (full text, mbox):

From: Ivan Shmakov <ivan <at> siamics.net>
To: 19472 <at> debbugs.gnu.org
Subject: Re: bug#19472: Eww in Emacs 24.4 refuses to open local files 
Date: Fri, 02 Jan 2015 10:59:18 +0000

>>>>> Lars Magne Ingebrigtsen <larsi <at> gnus.org> writes:
>>>>> Eli Zaretskii <eliz <at> gnu.org> writes:
>>>>> From: Lars Magne Ingebrigtsen  Date: Fri, 02 Jan 2015 10:30:35 +0100

 >>> If the URL is "/some/file/that/exists" or starts with "file:" and
 >>> you can then make (sort of) sense of it, then `M-x eww' should load
 >>> that file.

 >> What about "d:/some/file/that/exists" on Windows?

 > Sure, that too.  The DWIM code should call `file-exists-p' a bit on
 > strings that look like they could possibly be files.

	Like, perhaps, the strings matching "^\\([a-z]:\\)?/"?

-- 
FSF associate member #7257  http://boycottsystemd.org/  … 3013 B6A0 230E 334A

Message #34 received at 19472 <at> debbugs.gnu.org (full text, mbox):

From: Lars Magne Ingebrigtsen <larsi <at> gnus.org>
To: 19472 <at> debbugs.gnu.org
Subject: Re: bug#19472: Eww in Emacs 24.4 refuses to open local files
Date: Fri, 02 Jan 2015 12:04:52 +0100

Ivan Shmakov <ivan <at> siamics.net> writes:

>>>>>> Lars Magne Ingebrigtsen <larsi <at> gnus.org> writes:
>>>>>> Eli Zaretskii <eliz <at> gnu.org> writes:
>>>>>> From: Lars Magne Ingebrigtsen  Date: Fri, 02 Jan 2015 10:30:35 +0100
>
>  >>> If the URL is "/some/file/that/exists" or starts with "file:" and
>  >>> you can then make (sort of) sense of it, then `M-x eww' should load
>  >>> that file.
>
>  >> What about "d:/some/file/that/exists" on Windows?
>
>  > Sure, that too.  The DWIM code should call `file-exists-p' a bit on
>  > strings that look like they could possibly be files.
>
> 	Like, perhaps, the strings matching "^\\([a-z]:\\)?/"?

Yeah, perhaps.  Does have a "does this string look like a file name if
you squint at it?" function?

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

Message #37 received at 19472 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Lars Magne Ingebrigtsen <larsi <at> gnus.org>
Cc: kelly <at> prtime.org, ivan <at> siamics.net, 19472 <at> debbugs.gnu.org
Subject: Re: bug#19472: Eww in Emacs 24.4 refuses to open local files
Date: Fri, 02 Jan 2015 13:29:30 +0200

> From: Lars Magne Ingebrigtsen <larsi <at> gnus.org>
> Cc: 19472 <at> debbugs.gnu.org,  kelly <at> prtime.org,  ivan <at> siamics.net
> Date: Fri, 02 Jan 2015 11:46:43 +0100
> 
> > What about "d:/some/file/that/exists" on Windows?
> 
> Sure, that too.  The DWIM code should call `file-exists-p' a bit on
> strings that look like they could possibly be files.

Beware: file-exists-p calls file handlers, and can return non-nil for
remote files.  Not sure you want that here.

Message #40 received at 19472 <at> debbugs.gnu.org (full text, mbox):

From: Lars Magne Ingebrigtsen <larsi <at> gnus.org>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: kelly <at> prtime.org, ivan <at> siamics.net, 19472 <at> debbugs.gnu.org
Subject: Re: bug#19472: Eww in Emacs 24.4 refuses to open local files
Date: Fri, 02 Jan 2015 13:15:46 +0100

Eli Zaretskii <eliz <at> gnu.org> writes:

> Beware: file-exists-p calls file handlers, and can return non-nil for
> remote files.  Not sure you want that here.

Hm...  I think that would usually be fine?  If it's a file accessible
via Tramp (for instance), I think the user would normally want eww to
display it.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

Message #43 received at 19472 <at> debbugs.gnu.org (full text, mbox):

From: Michael Albinus <michael.albinus <at> gmx.de>
To: Lars Magne Ingebrigtsen <larsi <at> gnus.org>
Cc: Eli Zaretskii <eliz <at> gnu.org>, kelly <at> prtime.org, 19472 <at> debbugs.gnu.org
Subject: Re: bug#19472: Eww in Emacs 24.4 refuses to open local files
Date: Sat, 03 Jan 2015 10:18:48 +0100

Lars Magne Ingebrigtsen <larsi <at> gnus.org> writes:

> Eli Zaretskii <eliz <at> gnu.org> writes:
>
>> Beware: file-exists-p calls file handlers, and can return non-nil for
>> remote files.  Not sure you want that here.
>
> Hm...  I think that would usually be fine?  If it's a file accessible
> via Tramp (for instance), I think the user would normally want eww to
> display it.

Usually, it is the other way around: if `url-handler-mode' is enabled,
one shall be able to open a URL like "ssh://user <at> host/path/to/file".

Hmm, doesn't seem to work just now. Need to debug.

Best regards, Michael.

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