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Python: Give goto_url_hook only one argument, like follow_url_hook.

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On Dec 31, 2006, at 11:30am, Kalle Olavi Niemitalo writes:
>src/scripting/python/hooks.c (script_hook_url) calls hooks as
>goto_url_hook(new-url, current-url) and follow_url_hook(new-url).
>It has a comment saying that the current-url parameter exists
>only for compatibility and that the script can instead use
>elinks.current_url().  However, the current-url parameter was
>added in commit 87e27b9b3e and is
>not in ELinks 0.11.2, so any compatibility problems would only
>hit people who have been using 0.12.GIT snapshots.  Can we remove
>the second parameter now before releasing ELinks 0.12pre1?

The decision isn't up to me, but I think this is a good idea. Here's a
patch that would update the documentation and hooks.py, as well as hooks.c.

FYI, if this patch is applied then anyone who's still trying to use a
goto_url_hook that expects a second argument will get a "Browser scripting
error" dialog box that says:

	An error occurred while running a Python script:

	TypeError: goto_url_hook() takes exactly 2 arguments (1 given)
This commit is contained in:
M. Levinson 2006-12-31 10:00:34 -05:00 committed by Kalle Olavi Niemitalo
parent e45f5a8915
commit 26473f72f5
3 changed files with 4 additions and 31 deletions
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7
contrib/python/hooks.py
View File

@ -46,7 +46,7 @@ dumbprefixes = {
"sd" : "http://www.slashdot.org/"
}
def goto_url_hook(url, current_url):
def goto_url_hook(url):
"""Rewrite a URL that was entered in a "Go to URL" dialog box.
This function should return a URL for ELinks to follow, or None if
@ -55,8 +55,6 @@ def goto_url_hook(url, current_url):
Arguments:
url -- The URL provided by the user.
current_url -- The URL of the document being viewed, or None if no
document is being viewed.
"""
if url in dumbprefixes:
@ -136,13 +134,12 @@ class goto_url_in_new_tab:
"""Prompter that opens a given URL in a new tab."""
def __init__(self):
"""Prompt for a URL."""
self.current_location = elinks.current_url()
elinks.input_box("Enter URL", self._callback, title="Go to URL")
def _callback(self, url):
"""Open the given URL in a new tab."""
if 'goto_url_hook' in globals():
# Mimic the standard "Go to URL" dialog by calling goto_url_hook().
url = goto_url_hook(url, self.current_location) or url
url = goto_url_hook(url) or url
if url:
elinks.open(url, new_tab=True)
# The elinks.bind_key() function can be used to create a keystroke binding

4
doc/python.txt
View File

@ -44,7 +44,7 @@ FUNCTIONS
url -- The URL of the link.
goto_url_hook(url, current_url)
goto_url_hook(url)
Rewrite a URL that was entered in a "Go to URL" dialog box.
This function should return a URL for ELinks to follow, or None if
@ -53,8 +53,6 @@ FUNCTIONS
Arguments:
url -- The URL provided by the user.
current_url -- The URL of the document being viewed, or None if no
document is being viewed.
pre_format_html_hook(url, html)
Rewrite the body of a document before it's formatted.

24
src/scripting/python/hooks.c
View File

@ -15,7 +15,6 @@
#include "main/event.h"
#include "protocol/uri.h"
#include "scripting/python/core.h"
#include "session/location.h"
#include "session/session.h"
#include "util/memory.h"
#include "util/string.h"
@ -64,28 +63,7 @@ script_hook_url(va_list ap, void *data)
python_ses = ses;
/*
* Historical note: The only reason the goto and follow hooks are
* treated differently is to maintain backwards compatibility for
* people who already have a goto_url_hook() function in hooks.py
* that expects a second argument. If we were starting over from
* scratch, we could treat the goto and follow hooks identically and
* simply pass @url as the sole argument in both cases; the Python
* code for the goto hook no longer needs its @current_url argument
* since it could instead determine the current URL by calling the
* Python interpreter's elinks.current_url() function.
*/
if (!strcmp(method, "goto_url_hook")) {
unsigned char *current_url = NULL;
if (python_ses && have_location(python_ses))
current_url = struri(cur_loc(ses)->vs.uri);
result = PyObject_CallMethod(python_hooks, method, "ss", *url,
current_url);
} else {
result = PyObject_CallMethod(python_hooks, method, "s", *url);
}
result = PyObject_CallMethod(python_hooks, method, "s", *url);
if (!result || !replace_with_python_string(url, result))
alert_python_error();