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Package web2py ::
<a href="web2py.gluon-module.html">Package gluon</a> ::
<a href="web2py.gluon.validators-module.html">Module validators</a> ::
Class IS_GENERIC_URL
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<!-- ==================== CLASS DESCRIPTION ==================== -->
<h1 class="epydoc">Class IS_GENERIC_URL</h1><span class="codelink"><a href="web2py.gluon.validators-pysrc.html#IS_GENERIC_URL">source code</a></span><br /><br />
<pre class="base-tree">
object --+
|
<a href="web2py.gluon.validators.Validator-class.html">Validator</a> --+
|
<strong class="uidshort">IS_GENERIC_URL</strong>
</pre>
<hr />
<pre class="literalblock">
Rejects a URL string if any of the following is true:
* The string is empty or None
* The string uses characters that are not allowed in a URL
* The URL scheme specified (if one is specified) is not valid
Based on RFC 2396: http://www.faqs.org/rfcs/rfc2396.html
This function only checks the URL's syntax. It does not check that the URL
points to a real document, for example, or that it otherwise makes sense
semantically. This function does automatically prepend 'http://' in front
of a URL if and only if that's necessary to successfully parse the URL.
Please note that a scheme will be prepended only for rare cases
(e.g. 'google.ca:80')
The list of allowed schemes is customizable with the allowed_schemes
parameter. If you exclude None from the list, then abbreviated URLs
(lacking a scheme such as 'http') will be rejected.
The default prepended scheme is customizable with the prepend_scheme
parameter. If you set prepend_scheme to None then prepending will be
disabled. URLs that require prepending to parse will still be accepted,
but the return value will not be modified.
@author: Jonathan Benn
>>> IS_GENERIC_URL()('http://user@abc.com')
('http://user@abc.com', None)
</pre><br /><br />
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<span class="summary-type"> </span>
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<td><span class="summary-sig"><a href="web2py.gluon.validators.IS_GENERIC_URL-class.html#__init__" class="summary-sig-name">__init__</a>(<span class="summary-sig-arg">self</span>,
<span class="summary-sig-arg">error_message</span>=<span class="summary-sig-default"><code class="variable-quote">'</code><code class="variable-string">enter a valid URL</code><code class="variable-quote">'</code></span>,
<span class="summary-sig-arg">allowed_schemes</span>=<span class="summary-sig-default">1</span>,
<span class="summary-sig-arg">prepend_scheme</span>=<span class="summary-sig-default">1</span>)</span><br />
:param error_message: a string, the error message to give the end user
if the URL does not validate
:param allowed_schemes: a list containing strings or None.</td>
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<span class="codelink"><a href="web2py.gluon.validators-pysrc.html#IS_GENERIC_URL.__init__">source code</a></span>
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<td><span class="summary-sig"><a href="web2py.gluon.validators.IS_GENERIC_URL-class.html#__call__" class="summary-sig-name">__call__</a>(<span class="summary-sig-arg">self</span>,
<span class="summary-sig-arg">value</span>)</span><br />
:param value: a string, the URL to validate...</td>
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<span class="codelink"><a href="web2py.gluon.validators-pysrc.html#IS_GENERIC_URL.__call__">source code</a></span>
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<p class="indent-wrapped-lines"><b>Inherited from <code><a href="web2py.gluon.validators.Validator-class.html">Validator</a></code></b>:
<code><a href="web2py.gluon.validators.Validator-class.html#formatter">formatter</a></code>
</p>
<p class="indent-wrapped-lines"><b>Inherited from <code>object</code></b>:
<code>__delattr__</code>,
<code>__getattribute__</code>,
<code>__hash__</code>,
<code>__new__</code>,
<code>__reduce__</code>,
<code>__reduce_ex__</code>,
<code>__repr__</code>,
<code>__setattr__</code>,
<code>__str__</code>
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<p class="indent-wrapped-lines"><b>Inherited from <code>object</code></b>:
<code>__class__</code>
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<a name="__init__"></a>
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<h3 class="epydoc"><span class="sig"><span class="sig-name">__init__</span>(<span class="sig-arg">self</span>,
<span class="sig-arg">error_message</span>=<span class="sig-default"><code class="variable-quote">'</code><code class="variable-string">enter a valid URL</code><code class="variable-quote">'</code></span>,
<span class="sig-arg">allowed_schemes</span>=<span class="sig-default">1</span>,
<span class="sig-arg">prepend_scheme</span>=<span class="sig-default">1</span>)</span>
<br /><em class="fname">(Constructor)</em>
</h3>
</td><td align="right" valign="top"
><span class="codelink"><a href="web2py.gluon.validators-pysrc.html#IS_GENERIC_URL.__init__">source code</a></span>
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<pre class="literalblock">
:param error_message: a string, the error message to give the end user
if the URL does not validate
:param allowed_schemes: a list containing strings or None. Each element
is a scheme the inputed URL is allowed to use
:param prepend_scheme: a string, this scheme is prepended if it's
necessary to make the URL valid
</pre>
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<dt>Overrides:
object.__init__
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<h3 class="epydoc"><span class="sig"><span class="sig-name">__call__</span>(<span class="sig-arg">self</span>,
<span class="sig-arg">value</span>)</span>
<br /><em class="fname">(Call operator)</em>
</h3>
</td><td align="right" valign="top"
><span class="codelink"><a href="web2py.gluon.validators-pysrc.html#IS_GENERIC_URL.__call__">source code</a></span>
</td>
</table>
<pre class="literalblock">
:param value: a string, the URL to validate
:returns: a tuple, where tuple[0] is the inputed value (possible
prepended with prepend_scheme), and tuple[1] is either
None (success!) or the string error_message
</pre>
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