Attachment 5831 Details for Bug 32743

[patch] Update for ucr_update()

32743_devdoc-ucr-update,diff (text/plain), 2.51 KB, created by Philipp Hahn on 2014-03-17 15:54 CET

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Creator: Philipp Hahn

Created: 2014-03-17 15:54 CET

Size: 2.51 KB

patch

obsolete

>diff --git a/branches/ucs-3.2/ucs-3.2-1/doc/developer-reference/developer-reference-3.2.xml b/branches/ucs-3.2/ucs-3.2-1/doc/developer-reference/developer-reference-3.2.xml
>index 6d1fc74..66991d3 100644
>--- a/branches/ucs-3.2/ucs-3.2-1/doc/developer-reference/developer-reference-3.2.xml
>+++ b/branches/ucs-3.2/ucs-3.2-1/doc/developer-reference/developer-reference-3.2.xml
>@@ -33,8 +33,8 @@
> 		</legalnotice>
> 		<revhistory>
> 			<revision>
>-				<revnumber>3.2-0</revnumber>
>-				<date>19th of November 2013</date>
>+				<revnumber>3.2-1</revnumber>
>+				<date>17th of March 2014</date>
> 			</revision>
> 		</revhistory>
> 	</bookinfo>
>diff --git a/branches/ucs-3.2/ucs-3.2-1/doc/developer-reference/ucr/ucr.xml b/branches/ucs-3.2/ucs-3.2-1/doc/developer-reference/ucr/ucr.xml
>index ed2ac93..8718766 100644
>--- a/branches/ucs-3.2/ucs-3.2-1/doc/developer-reference/ucr/ucr.xml
>+++ b/branches/ucs-3.2/ucs-3.2-1/doc/developer-reference/ucr/ucr.xml
>@@ -203,21 +203,26 @@ if ucr.is_false('repository/online/unmaintained', True):
> 			</example>
> 			<para>
> 				Modifying variables requires a different approach.
>-				Two functions <function>handler_set()</function> and <function>handler_unset()</function> can be used to set and unset variables.
>+				The function <function>ucr_update()</function> should be used to set and unset variables.
> 			</para>
> 			<example>
> 				<title>Changing &ucsUCRV;s in Python</title>
> 				<programlisting><![CDATA[
>-from univention.config_registry import handler_set, handler_unset
>-handler_set([
>-	'foo=bar',
>-	'baz=42',
>-	])
>-handler_unset(['foo', 'bar'])
>+from univention.config_registry.handler import ucr_update
>+ucr_update(ucr, {
>+	'foo': 'bar',
>+	'baz': '42',
>+	'bar': None,
>+	})
> 				]]></programlisting>
> 			</example>
> 			<para>
>-				As <function>handler_set()</function> and <function>handler_unset()</function> don't automatically update any instance of <classname>ConfigRegistry</classname>, the <methodname>load()</methodname> method has to be called manually afterwards to reflect the updated values.
>+				The function <function>ucr_update()</function> requires an instance of <classname>ConfigRegistry</classname> as its first argument.
>+				The method is guaranteed to be atomic and uses file locking internally to prevent race conditions.
>+			</para>
>+			<para>
>+				The second argument must be a Python dictionary mapping <acronym>UCR</acronym> variable names to their new value.
>+				The value must be either a string or <constant>None</constant>, which is used to unset the variable.
> 			</para>
> 		</section>
> 	</section>

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Attachments on bug 32743: 5831 | 5832