Can formencode raise invalid for some valid value:

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Hi all,

The subject of this email may not seems obvious to some people but I could
resist myself from being asked this question. Please accept my apologies:

My Question is:

Is there any any support to raise Invalid exception for some values when
validation them ?


For e.g.
Suppose I have to validate email using email validatior.
Then want to raise Invalid exception to some emails like:
[email protected] some emails like these.


example:
*    from formencode import validators*
*    from formencode.api import Invalid*
*    invalid_emails = ['[email protected] <[email protected]>',
'[email protected] <[email protected]>']*
*    email = '[email protected] <[email protected]>'*
*    try:*
*        email_validator = validators.Email(invalidate=invalid_emails)*
*        email_validator.to_python(email)*
*    except Invalid, e:*
*        logger.log("An Invalid Exception Occurred", e)*
*        raise e*

In the above code, this should raise Invalid exception the we try to
validate invalid_emails.
Do we have support for this in future release.

In order to achieve this I have to do something like this:
*    from formencode import validators*
*    from formencode.api import Invalid*
*    invalid_emails = ['[email protected] <[email protected]>',
'[email protected] <[email protected]>']*
*    email = '[email protected] <[email protected]>'*
*    try:*
*        if email in invalid_emails:*
*             raise Invalid*
*        email_validator = validators.Email(invalidate=invalid_emails)*
*        email_validator.to_python(email)*
*    except Invalid, e:*
*        logger.log("An Invalid Exception Occurred", e)*
*        raise e*

But I have to do this for all validators.

-- 


Thanks & Regards

Deepak Verma

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<div dir=3D"ltr"><br clear=3D"all"><div>Hi all,</div><div><br></div><div>Th=
e subject of this email may not seems obvious to some people but I could re=
sist myself from being asked this question. Please accept my apologies:</di=
v>
<div><br></div><div>My Question is:</div><div><br></div><div>Is there any a=
ny support to raise Invalid exception for some values when validation them =
?</div><div><br></div><div><br></div><div>For e.g.</div><div>Suppose I have=
 to validate email using email validatior.</div>
<div>Then want to raise Invalid exception to some emails like: <a href=3D"m=
ailto:[email protected]">[email protected]</a> or some emails like these.=
</div><div><br></div><div><br></div><div>example:</div><div><div><i><font c=
olor=3D"#6fa8dc">=C2=A0 =C2=A0 from formencode import validators</font></i>=
</div>
<div><i><font color=3D"#6fa8dc">=C2=A0 =C2=A0 from formencode.api import In=
valid</font></i></div><div><i><font color=3D"#6fa8dc">=C2=A0 =C2=A0 invalid=
_emails =3D [&#39;<a href=3D"mailto:[email protected]">[email protected]<=
/a>&#39;, &#39;<a href=3D"mailto:[email protected]">[email protected]</a>&#=
39;]</font></i></div>
<div><i><font color=3D"#6fa8dc">=C2=A0 =C2=A0 email =3D &#39;<a href=3D"mai=
lto:[email protected]">[email protected]</a>&#39;</font></i></div><div><i=
><font color=3D"#6fa8dc">=C2=A0 =C2=A0 try:</font></i></div><div><i><font c=
olor=3D"#6fa8dc">=C2=A0 =C2=A0 =C2=A0 =C2=A0 email_validator =3D validators=
.Email(invalidate=3Dinvalid_emails)</font></i></div>
<div><i><font color=3D"#6fa8dc">=C2=A0 =C2=A0 =C2=A0 =C2=A0 email_validator=
.to_python(email)</font></i></div><div><i><font color=3D"#6fa8dc">=C2=A0 =
=C2=A0 except Invalid, e:</font></i></div><div><i><font color=3D"#6fa8dc">=
=C2=A0 =C2=A0 =C2=A0 =C2=A0 logger.log(&quot;An Invalid Exception Occurred&=
quot;, e)</font></i></div>
<div><i><font color=3D"#6fa8dc">=C2=A0 =C2=A0 =C2=A0 =C2=A0 raise e</font><=
/i></div></div><div><br></div><div>In the above code, this should raise Inv=
alid exception the we try to validate invalid_emails.</div><div>Do we have =
support for this in future release.</div>
<div><br></div><div>In order to achieve this I have to do something like th=
is:</div><div><div><i><font face=3D"courier new, monospace">=C2=A0 =C2=A0 <=
font color=3D"#3d85c6">from formencode import validators</font></font></i><=
/div><div>
<i><font face=3D"courier new, monospace" color=3D"#3d85c6">=C2=A0 =C2=A0 fr=
om formencode.api import Invalid</font></i></div><div><i><font face=3D"cour=
ier new, monospace" color=3D"#3d85c6">=C2=A0 =C2=A0 invalid_emails =3D [&#3=
9;<a href=3D"mailto:[email protected]">[email protected]</a>&#39;, &#39;<=
a href=3D"mailto:[email protected]">[email protected]</a>&#39;]</font></i><=
/div>
<div><i><font face=3D"courier new, monospace" color=3D"#3d85c6">=C2=A0 =C2=
=A0 email =3D &#39;<a href=3D"mailto:[email protected]">[email protected]=
</a>&#39;</font></i></div><div><i><font face=3D"courier new, monospace" col=
or=3D"#3d85c6">=C2=A0 =C2=A0 try:</font></i></div>
<div><i><font face=3D"courier new, monospace" color=3D"#3d85c6">=C2=A0 =C2=
=A0 =C2=A0 =C2=A0 if email in invalid_emails:</font></i></div><div><i><font=
 face=3D"courier new, monospace" color=3D"#3d85c6">=C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0raise Invalid</font></i></div><div><i><font face=3D=
"courier new, monospace" color=3D"#3d85c6">=C2=A0 =C2=A0 =C2=A0 =C2=A0 emai=
l_validator =3D validators.Email(invalidate=3Dinvalid_emails)</font></i></d=
iv>
<div><i><font face=3D"courier new, monospace" color=3D"#3d85c6">=C2=A0 =C2=
=A0 =C2=A0 =C2=A0 email_validator.to_python(email)</font></i></div><div><i>=
<font face=3D"courier new, monospace" color=3D"#3d85c6">=C2=A0 =C2=A0 excep=
t Invalid, e:</font></i></div><div>
<i><font face=3D"courier new, monospace" color=3D"#3d85c6">=C2=A0 =C2=A0 =
=C2=A0 =C2=A0 logger.log(&quot;An Invalid Exception Occurred&quot;, e)</fon=
t></i></div><div><i><font face=3D"courier new, monospace" color=3D"#3d85c6"=
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 raise e</font></i></div>
</div><div><br></div><div>But I have to do this for all validators.</div><d=
iv><br></div>-- <br><div dir=3D"ltr"><div><font face=3D"arial, helvetica, s=
ans-serif"><br></font></div><font face=3D"arial, helvetica, sans-serif"><di=
v>
<font face=3D"arial, helvetica, sans-serif"><br></font></div>Thanks &amp; R=
egards</font><div><font face=3D"arial, helvetica, sans-serif"><br></font></=
div><div><font face=3D"arial, helvetica, sans-serif">Deepak Verma</font></d=
iv>
<div><font face=3D"arial, helvetica, sans-serif"><br></font></div></div>
</div>

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