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From: Marc Aymerich <glicerinu@gmail.com>
Date: Tue, 29 Jul 2014 20:35:55 +0200
Subject: Re: lxml and namespaces
To: "comp.lang.python" <python-list@python.org>
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On Tue, Jul 29, 2014 at 8:19 PM, Marc Aymerich <glicerinu@gmail.com> wrote:

> Hi, I'm desperately trying to construct an XML with the following documen=
t
> declaration:
>
> <Document xmlns=3D=E2=80=9Durn:iso:std:iso:20022:tech:xsd:pain.008.001.02=
=E2=80=9D
>         xmlns:xsi=3D=E2=80=9Dhttp://www.w3.org/2001/XMLSchema-instance=E2=
=80=9D>
>
> I'm using LXML, and what I'm doing is this
>
> >>> from lxml import etree
> >>> from lxml.builder import E
> >>> doc =3D E.Document(
> ...     {
> ...         'xmlns': "urn:iso:std:iso:20022:tech:xsd:pain.008.001.02",
> ...         '{xmlns}xsi': "http://www.w3.org/2001/XMLSchema-instance",
> ...     }
> ... )
> >>> print etree.tostring(doc)
> <Document xmlns:ns0=3D"xmlns" ns0:xsi=3D"
> http://www.w3.org/2001/XMLSchema-instance"
>         xmlns=3D"urn:iso:std:iso:20022:tech:xsd:pain.008.001.02"/>
>
>
> I've tried everything I can imagine and this is the best I can do :(
>
> Any idea on how to get the xmlns and xmlns:xsi attributes correctly?
>


Got it!
xml =3D lxml.builder.ElementMaker(
     nsmap =3D {
         None: "urn:iso:std:iso:20022:tech:xsd:pain.008.001.02",
         'xsi': "http://www.w3.org/2001/XMLSchema-instance",
     }
)
doc =3D xml.Document()


--=20
Marc

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<div dir=3D"ltr"><div><br></div><div class=3D"gmail_extra"><br><br><div cla=
ss=3D"gmail_quote">On Tue, Jul 29, 2014 at 8:19 PM, Marc Aymerich <span dir=
=3D"ltr">&lt;<a href=3D"mailto:glicerinu@gmail.com" target=3D"_blank">glice=
rinu@gmail.com</a>&gt;</span> wrote:<br>

<blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-=
left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;p=
adding-left:1ex"><div dir=3D"ltr">Hi, I&#39;m desperately trying to constru=
ct an XML with the following document declaration:<div>

<br></div><div><div>&lt;Document xmlns=3D=E2=80=9Durn:iso:std:iso:20022:tec=
h:xsd:pain.008.001.02=E2=80=9D</div><div>=C2=A0 =C2=A0 =C2=A0 =C2=A0 xmlns:=
xsi=3D=E2=80=9D<a href=3D"http://www.w3.org/2001/XMLSchema-instance" target=
=3D"_blank">http://www.w3.org/2001/XMLSchema-instance</a>=E2=80=9D&gt;</div=
>


<div><br></div><div>I&#39;m using LXML, and what I&#39;m doing is this</div=
><div><br></div><div><div>&gt;&gt;&gt; from lxml import etree</div><div>&gt=
;&gt;&gt; from lxml.builder import E</div><div>&gt;&gt;&gt; doc =3D E.Docum=
ent(</div>


<div>... =C2=A0 =C2=A0 {</div><div>... =C2=A0 =C2=A0 =C2=A0 =C2=A0 &#39;xml=
ns&#39;: &quot;urn:iso:std:iso:20022:tech:xsd:pain.008.001.02&quot;,</div><=
div>... =C2=A0 =C2=A0 =C2=A0 =C2=A0 &#39;{xmlns}xsi&#39;: &quot;<a href=3D"=
http://www.w3.org/2001/XMLSchema-instance" target=3D"_blank">http://www.w3.=
org/2001/XMLSchema-instance</a>&quot;,</div>


<div>... =C2=A0 =C2=A0 }</div><div>... )</div><div>&gt;&gt;&gt; print etree=
.tostring(doc)</div><div>&lt;Document xmlns:ns0=3D&quot;xmlns&quot; ns0:xsi=
=3D&quot;<a href=3D"http://www.w3.org/2001/XMLSchema-instance" target=3D"_b=
lank">http://www.w3.org/2001/XMLSchema-instance</a>&quot;</div>


<div>=C2=A0 =C2=A0 =C2=A0 =C2=A0 xmlns=3D&quot;urn:iso:std:iso:20022:tech:x=
sd:pain.008.001.02&quot;/&gt;</div></div><div><br></div><div><br></div><div=
>I&#39;ve tried everything I can imagine and this is the best I can do :(</=
div><div><br></div>


<div>Any idea on how to get the xmlns and xmlns:xsi attributes correctly?</=
div></div></div></blockquote><div><br></div><div><br></div><div>Got it!</di=
v><div>xml =3D lxml.builder.ElementMaker(</div><div>=C2=A0 =C2=A0 =C2=A0nsm=
ap =3D {</div>

<div>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0None: &quot;urn:iso:std:iso:20022:te=
ch:xsd:pain.008.001.02&quot;,</div><div>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0&=
#39;xsi&#39;: &quot;<a href=3D"http://www.w3.org/2001/XMLSchema-instance">h=
ttp://www.w3.org/2001/XMLSchema-instance</a>&quot;,</div>

<div>=C2=A0 =C2=A0 =C2=A0}</div><div>)</div><div>doc =3D xml.Document()=C2=
=A0</div></div><br clear=3D"all"><div><br></div>-- <br>Marc
</div></div>

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