This is a XUpdate Generator for ERP5.

See <http://xmldb-org.sourceforge.net/xupdate/> for information on
XUpdate.

See <http://erp5.org/> for information on ERP5.

For the installation, do "python setup.py install".

Once you have installed erp5diff, you can use "erp5diff" in a shell:
$ erp5diff old.xml new.xml
See the manpage erp5diff(1) or "erp5diff --help" for more information.

Also, you can use the module ERP5Diff from your Python script.
Do "pydoc ERP5Diff" for more information.


ERP5Diff Usage and its output example
=====================================

1. update the texts of the three elements

  >>> from ERP5Diff import ERP5Diff
  >>> erp5diff = ERP5Diff()

  >>> old_xml = """
  ... <erp5>
  ...   <object portal_type="Person" id="313730">
  ...     <description type="text">description1 --- $sdfr&#231;_sdfs&#231;df_oisfsopf</description>
  ...     <first_name type="string">Kamada</first_name>
  ...     <last_name type="string">Kamada</last_name>
  ...     <workflow_action id="edit_workflow">
  ...       <time type="date">2009/08/28 19:12:24.700 GMT+9</time>
  ...     </workflow_action>
  ...     </object>
  ... </erp5>
  ... """
  >>> new_xml = """
  ... <erp5>
  ...   <object portal_type="Person" id="313730">
  ...     <description type="text">description3 &#231;sdf__sdf&#231;&#231;&#231;_df___&amp;amp;&amp;amp;&#233;]]]&#176;&#176;&#176;&#176;&#176;&#176;</description>
  ...     <first_name type="string">Tatuya</first_name>
  ...     <last_name type="string">Kamada</last_name>
  ...     <workflow_action id="edit_workflow">
  ...       <time type="date">2009/08/28 19:12:24.703 GMT+9</time>
  ...     </workflow_action>
  ...     </object>
  ... </erp5>
  ... """

  >>> erp5diff.compare(old_xml, new_xml)
  >>> erp5diff.output()
  <xupdate:modifications xmlns:xupdate="http://www.xmldb.org/xupdate" version="1.0">
    <xupdate:update select="/erp5/object[@id='313730']/description">description3 çsdf__sdfççç_df___&amp;amp;&amp;amp;é]]]°°°°°°</xupdate:update>
    <xupdate:update select="/erp5/object[@id='313730']/first_name">Tatuya</xupdate:update>
    <xupdate:update select="/erp5/object[@id='313730']/workflow_action[@id='edit_workflow']/time">2009/08/28 19:12:24.703 GMT+9</xupdate:update>
  </xupdate:modifications>

2. update one element

  >>> old_xml = """
  ... <erp5>
  ...   <object portal_type="Person" id="313730">
  ...      <description type="text">description2&#233;&#224;@  $*&amp;lt; &amp;lt; -----</description>
  ...   </object>
  ... </erp5>
  ... """
  >>> new_xml = """
  ... <erp5>
  ...   <object portal_type="Person" id="313730">
  ...      <description type="text">description3&#233;&#224;@  $*&amp;lt; &amp;lt; -----</description>
  ...   </object>
  ... </erp5>
  ... """
  >>> erp5diff.compare(old_xml, new_xml)
  >>> erp5diff.output()
  <xupdate:modifications xmlns:xupdate="http://www.xmldb.org/xupdate" version="1.0">
    <xupdate:update select="/erp5/object[@id='313730']/description">description3éà@  $*&amp;lt; &amp;lt; -----</xupdate:update>
  </xupdate:modifications>

3. same

  >>> old_xml = """
  ... <erp5>
  ...   <object portal_type="Person" id="313730">
  ...     <title type="string">Tatuya Kamada</title>
  ...     <subject_list type="lines">&lt;?xml version="1.0"?&gt;&lt;marshal&gt;&lt;list id="i2"&gt;&lt;/list&gt;&lt;/marshal&gt;</subject_list>
  ...     <first_name type="string">Kamada</first_name>
  ...     <last_name type="string">Tatuya</last_name>
  ...     <workflow_action id="edit_workflow">
  ...       <actor type="string">tatuya</actor>
  ...       <time type="date">2009/08/28 19:12:26.631 GMT+9</time>
  ...     </workflow_action>
  ...   </object>
  ... </erp5>
  ... """
  >>> new_xml = """
  ... <erp5>
  ...   <object portal_type="Person" id="313730">
  ...     <title type="string">Tatuya Kamada</title>
  ...     <subject_list type="lines">&lt;?xml version="1.0"?&gt;&lt;marshal&gt;&lt;list id="i2"&gt;&lt;/list&gt;&lt;/marshal&gt;</subject_list>
  ...     <first_name type="string">Kamada</first_name>
  ...     <last_name type="string">Tatuya</last_name>
  ...     <workflow_action id="edit_workflow">
  ...       <actor type="string">tatuya</actor>
  ...       <time type="date">2009/08/28 19:12:26.631 GMT+9</time>
  ...     </workflow_action>
  ...   </object>
  ... </erp5>
  ... """
  >>> erp5diff.compare(old_xml, new_xml)
  >>> erp5diff.output()
  <xupdate:modifications xmlns:xupdate="http://www.xmldb.org/xupdate" version="1.0"/>

4. update the texts of the elements and remove an element

  >>> old_xml = """
  ... <erp5>
  ...   <object portal_type="Person" id="313730">
  ...     <description type="text">description2&#233;&#224;@  $*&amp;lt; &amp;lt;&amp;lt;&amp;lt;  -----</description>
  ...     <language type="string">en</language>
  ...     <workflow_action id="edit_workflow">
  ...       <time type="date">2009/08/28 19:12:34.424 GMT+9</time>
  ...     </workflow_action>
  ...     <workflow_action id="edit_workflow">
  ...       <time type="date">2009/08/28 19:12:34.432 GMT+9</time>
  ...     </workflow_action>
  ...   </object>
  ... </erp5>
  ... """
  >>> new_xml = """
  ... <erp5>
  ...   <object portal_type="Person" id="313730">
  ...     <description type="text">description1 --- $sdfr&#231;_sdfs&#231;df_oisfsopf</description>
  ...     <language type="None"/>
  ...     <workflow_action id="edit_workflow">
  ...       <time type="date">2009/08/28 19:12:34.424 GMT+9</time>
  ...     </workflow_action>
  ...   </object>
  ... </erp5>
  ... """
  >>> erp5diff.compare(old_xml, new_xml)
  >>> erp5diff.output()
  <xupdate:modifications xmlns:xupdate="http://www.xmldb.org/xupdate" version="1.0">
    <xupdate:update select="/erp5/object[@id='313730']/description">description1 --- $sdfrç_sdfsçdf_oisfsopf</xupdate:update>
    <xupdate:update select="/erp5/object[@id='313730']/language/attribute::type">None</xupdate:update>
    <xupdate:update select="/erp5/object[@id='313730']/language"/>
    <xupdate:remove select="/erp5/object[@id='313730']/workflow_action[@id='edit_workflow'][2]"/>
  </xupdate:modifications>

5. update two elements includes some symbols

  >>> old_xml = """
  ... <erp5>
  ...   <object portal_type="Person" id="313730">
  ...     <description type="text">description2&#233;&#224;@  $*&amp;lt;&amp;lt;-----&amp;gt;&amp;gt;</description>
  ...     <language type="string">jp</language>
  ...   </object>
  ... </erp5>
  ... """
  >>> new_xml = """
  ... <erp5>
  ...   <object portal_type="Person" id="313730">
  ...     <description type="text">description4 sdflkmooo^^^^]]]]]{{{{{{{</description>
  ...     <language type="string">ca</language>
  ...   </object>
  ... </erp5>
  ... """
  >>> erp5diff.compare(old_xml, new_xml)
  >>> erp5diff.output()
  <xupdate:modifications xmlns:xupdate="http://www.xmldb.org/xupdate" version="1.0">
    <xupdate:update select="/erp5/object[@id='313730']/description">description4 sdflkmooo^^^^]]]]]{{{{{{{</xupdate:update>
    <xupdate:update select="/erp5/object[@id='313730']/language">ca</xupdate:update>
  </xupdate:modifications>

6. update two date element which have same id

  >>> old_xml = """
  ... <erp5>
  ...   <object portal_type="Person" id="313730">
  ...     <workflow_action id="edit_workflow">
  ...       <time type="date">2009/08/28 19:12:40.550 GMT+9</time>
  ...     </workflow_action>
  ...     <workflow_action id="edit_workflow">
  ...       <time type="date">2009/08/28 19:12:40.903 GMT+9</time>
  ...     </workflow_action>
  ...     <workflow_action id="edit_workflow">
  ...       <time type="date">2009/08/28 19:12:40.907 GMT+9</time>
  ...     </workflow_action>
  ...   </object>
  ... </erp5>
  ... """
  >>> new_xml = """
  ... <erp5>
  ...   <object portal_type="Person" id="313730">
  ...     <workflow_action id="edit_workflow">
  ...       <time type="date">2009/08/28 19:12:40.550 GMT+9</time>
  ...     </workflow_action>
  ...     <workflow_action id="edit_workflow">
  ...       <time type="date">2009/08/28 19:12:40.905 GMT+9</time>
  ...     </workflow_action>
  ...     <workflow_action id="edit_workflow">
  ...       <time type="date">2009/08/28 19:12:40.910 GMT+9</time>
  ...     </workflow_action>
  ...    </object>
  ... </erp5>
  ... """
  >>> erp5diff.compare(old_xml, new_xml)
  >>> erp5diff.output()
  <xupdate:modifications xmlns:xupdate="http://www.xmldb.org/xupdate" version="1.0">
    <xupdate:update select="/erp5/object[@id='313730']/workflow_action[@id='edit_workflow'][2]/time">2009/08/28 19:12:40.905 GMT+9</xupdate:update>
    <xupdate:update select="/erp5/object[@id='313730']/workflow_action[@id='edit_workflow'][3]/time">2009/08/28 19:12:40.910 GMT+9</xupdate:update>
  </xupdate:modifications>

7. insert and remove elements

  >>> old_xml = """
  ... <erp5>
  ...   <object portal_type="Person" id="313731">
  ...     <local_role type="tokens" id="tk">&lt;?xml version="1.0"?&gt;&lt;marshal&gt;&lt;tuple&gt;&lt;string&gt;Manager&lt;/string&gt;&lt;string&gt;Owner&lt;/string&gt;&lt;/tuple&gt;&lt;/marshal&gt;</local_role>
  ...     <local_permission type="tokens" id="Access contents information">&lt;?xml version="1.0"?&gt;</local_permission>
  ...     <local_permission type="tokens" id="Add portal content">&lt;?xml version="1.0"?&gt;</local_permission>
  ...     <local_permission type="tokens" id="View">&lt;?xml version="1.0"?&gt;</local_permission>
  ...   </object>
  ... </erp5>
  ... """
  >>> new_xml = """
  ... <erp5>
  ...   <object portal_type="Person" id="313731">
  ...     <local_role type="tokens" id="tatuya">&lt;?xml version="1.0"?&gt;&lt;marshal&gt;&lt;tuple&gt;&lt;string&gt;Owner&lt;/string&gt;&lt;/tuple&gt;&lt;/marshal&gt;</local_role>
  ...     <JohnDoe>Go to the beach</JohnDoe>
  ...     <local_permission type="tokens" id="Access contents information">&lt;?xml version="1.0"?&gt;</local_permission>
  ...     <local_permission type="tokens" id="Add portal content">&lt;?xml version="1.0"?&gt;</local_permission>
  ...     <local_permission type="tokens" id="Manage portal content">&lt;?xml version="1.0"?&gt;</local_permission>
  ...     <local_permission type="tokens" id="View">&lt;?xml version="1.0"?&gt;</local_permission>
  ...   </object>
  ... </erp5>
  ... """
  >>> erp5diff.compare(old_xml, new_xml)
  >>> erp5diff.output()
  <xupdate:modifications xmlns:xupdate="http://www.xmldb.org/xupdate" version="1.0">
    <xupdate:remove select="/erp5/object[@id='313731']/local_role[@id='tk']"/>
    <xupdate:append select="/erp5/object[@id='313731']" child="first()">
        <xupdate:element name="local_role"><xupdate:attribute name="type">tokens</xupdate:attribute><xupdate:attribute name="id">tatuya</xupdate:attribute>&lt;?xml version="1.0"?&gt;&lt;marshal&gt;&lt;tuple&gt;&lt;string&gt;Owner&lt;/string&gt;&lt;/tuple&gt;&lt;/marshal&gt;</xupdate:element>
        <xupdate:element name="JohnDoe">Go to the beach</xupdate:element>
    </xupdate:append>
    <xupdate:insert-before select="/erp5/object[@id='313731']/local_permission[@id='View']">
      <xupdate:element name="local_permission"><xupdate:attribute name="type">tokens</xupdate:attribute><xupdate:attribute name="id">Manage portal content</xupdate:attribute>&lt;?xml version="1.0"?&gt;</xupdate:element>
    </xupdate:insert-before>
  </xupdate:modifications>

8. update xml in xml

  >>> old_xml = """
  ... <erp5>
  ...   <object portal_type="Person" id="313731">
  ...     <local_permission type="tokens" id="View">&lt;?xml version="1.0"?&gt;&lt;marshal&gt;&lt;tuple&gt;&lt;string&gt;Manager&lt;/string&gt;&lt;string&gt;Owner&lt;/string&gt;&lt;/tuple&gt;&lt;/marshal&gt;</local_permission>
  ...   </object>
  ... </erp5>
  ... """
  >>> new_xml = """
  ... <erp5>
  ...   <object portal_type="Person" id="313731">
  ...     <local_permission type="tokens" id="View">&lt;?xml version="1.0"?&gt;&lt;marshal&gt;&lt;tuple&gt;&lt;string&gt;Assignee&lt;/string&gt;&lt;string&gt;Assignor&lt;/string&gt;&lt;string&gt;Associate&lt;/string&gt;&lt;string&gt;Auditor&lt;/string&gt;&lt;string&gt;Author&lt;/string&gt;&lt;string&gt;Manager&lt;/string&gt;&lt;string&gt;Owner&lt;/string&gt;&lt;/tuple&gt;&lt;/marshal&gt;</local_permission>
  ...   </object>
  ... </erp5>
  ... """
  >>> erp5diff.compare(old_xml, new_xml)
  >>> erp5diff.output()
  <xupdate:modifications xmlns:xupdate="http://www.xmldb.org/xupdate" version="1.0">
    <xupdate:update select="/erp5/object[@id='313731']/local_permission[@id='View']">&lt;?xml version="1.0"?&gt;&lt;marshal&gt;&lt;tuple&gt;&lt;string&gt;Assignee&lt;/string&gt;&lt;string&gt;Assignor&lt;/string&gt;&lt;string&gt;Associate&lt;/string&gt;&lt;string&gt;Auditor&lt;/string&gt;&lt;string&gt;Author&lt;/string&gt;&lt;string&gt;Manager&lt;/string&gt;&lt;string&gt;Owner&lt;/string&gt;&lt;/tuple&gt;&lt;/marshal&gt;</xupdate:update>
  </xupdate:modifications>

9. rename element

  >>> old_xml = """
  ... <erp5>
  ...   <object portal_type="Person" id="313730">
  ...     <first_name type="string">Tatuya</first_name>
  ...     <last_name type="string">Kamada</last_name>
  ...   </object>
  ... </erp5>
  ... """
  >>> new_xml = """
  ... <erp5>
  ...   <object portal_type="Person" id="313730">
  ...     <given_name type="string">Tatuya</given_name>
  ...     <family_name type="string">Kamada</family_name>
  ...   </object>
  ... </erp5>
  ... """
  >>> erp5diff.compare(old_xml, new_xml)
  >>> erp5diff.output()
  <xupdate:modifications xmlns:xupdate="http://www.xmldb.org/xupdate" version="1.0">
    <xupdate:remove select="/erp5/object[@id='313730']/first_name"/>
    <xupdate:remove select="/erp5/object[@id='313730']/last_name"/>
    <xupdate:append select="/erp5/object[@id='313730']" child="first()">
      <xupdate:element name="given_name"><xupdate:attribute name="type">string</xupdate:attribute>Tatuya</xupdate:element>
      <xupdate:element name="family_name"><xupdate:attribute name="type">string</xupdate:attribute>Kamada</xupdate:element>
    </xupdate:append>
  </xupdate:modifications>

10. rename root element

>>> old_xml = """
... <erp5>
...   <object portal_type="Person" id="313730">
...     <id type="string">313730</id>
...     <title type="string">Tatuya Kamada</title>
...   </object>
... </erp5>
... """
>>> new_xml = """
... <erp6>
...   <object portal_type="Person" id="313730">
...     <id type="string">313730</id>
...     <title type="string">Tatuya Kamada</title>
...   </object>
... </erp6>
... """
>>> erp5diff.compare(old_xml, new_xml)
>>> erp5diff.output()
<xupdate:modifications xmlns:xupdate="http://www.xmldb.org/xupdate" version="1.0">
  <xupdate:rename select="/erp5">erp6</xupdate:rename>
</xupdate:modifications>


11. Update one attribute

>>> old_xml = """
... <erp5>
...   <object portal_type="Person" id="313730">
...     <local_role type="tokens" id="fab">&lt;?xml version="1.0"?&gt;&lt;marshal&gt;&lt;tuple&gt;&lt;string&gt;Owner&lt;/string&gt;&lt;/tuple&gt;&lt;/marshal&gt;</local_role>
...   </object>
... </erp5>
... """
>>> new_xml = """
... <erp5>
...   <object portal_type="Person" id="313730">
...     <local_role type="ccc" id="fab">&lt;?xml version="1.0"?&gt;&lt;marshal&gt;&lt;tuple&gt;&lt;string&gt;Owner&lt;/string&gt;&lt;/tuple&gt;&lt;/marshal&gt;</local_role>
...   </object>
... </erp5>
... """
>>> erp5diff.compare(old_xml, new_xml)
>>> erp5diff.output()
<xupdate:modifications xmlns:xupdate="http://www.xmldb.org/xupdate" version="1.0">
  <xupdate:update select="/erp5/object[@id='313730']/local_role[@id='fab']/attribute::type">ccc</xupdate:update>
</xupdate:modifications>

12. Update two attribute

  >>> old_xml = """
  ... <erp5>
  ...   <object portal_type="Person" id="313730">
  ...     <local_permission attr_a='aaa' type="tokens" id="View">&lt;?xml version="1.0"?&gt;&lt;marshal&gt;&lt;tuple&gt;&lt;string&gt;Assignee&lt;/string&gt;&lt;string&gt;Assignor&lt;/string&gt;&lt;string&gt;Associate&lt;/string&gt;&lt;string&gt;Auditor&lt;/string&gt;&lt;string&gt;Author&lt;/string&gt;&lt;string&gt;Manager&lt;/string&gt;&lt;string&gt;Owner&lt;/string&gt;&lt;/tuple&gt;&lt;/marshal&gt;</local_permission>
  ...   </object>
  ... </erp5>
  ... """
  >>> new_xml = """
  ... <erp5>
  ...   <object portal_type="Person" id="313730">
  ...     <local_permission attr_a='ccc' type="ccc" id="View">&lt;?xml version="1.0"?&gt;&lt;marshal&gt;&lt;tuple&gt;&lt;string&gt;Assignee&lt;/string&gt;&lt;string&gt;Assignor&lt;/string&gt;&lt;string&gt;Associate&lt;/string&gt;&lt;string&gt;Auditor&lt;/string&gt;&lt;string&gt;Author&lt;/string&gt;&lt;string&gt;Manager&lt;/string&gt;&lt;string&gt;Owner&lt;/string&gt;&lt;/tuple&gt;&lt;/marshal&gt;</local_permission>
  ...   </object>
  ... </erp5>
  ... """
  >>> erp5diff.compare(old_xml, new_xml)
  >>> erp5diff.output()
  <xupdate:modifications xmlns:xupdate="http://www.xmldb.org/xupdate" version="1.0">
    <xupdate:update select="/erp5/object[@id='313730']/local_permission[@id='View']/attribute::attr_a">ccc</xupdate:update>
    <xupdate:update select="/erp5/object[@id='313730']/local_permission[@id='View']/attribute::type">ccc</xupdate:update>
  </xupdate:modifications>

13. Update three attribute

  >>> old_xml = """
  ... <erp5>
  ...   <object portal_type="Person" id="313730">
  ...     <title attribute_a="aaa" attribute_b="bbb" attribute_c="ccc" type="string">Tatuya Kamada</title>
  ...   </object>
  ... </erp5>
  ... """
  >>> new_xml = """
  ... <erp5>
  ...   <object portal_type="Person" id="313730">
  ...     <title attribute_a="nnn" attribute_b="nnn" attribute_c="nnn" type="string">Tatuya Kamada</title>
  ...   </object>
  ... </erp5>
  ... """
  >>> erp5diff.compare(old_xml, new_xml)
  >>> erp5diff.output()
  <xupdate:modifications xmlns:xupdate="http://www.xmldb.org/xupdate" version="1.0">
    <xupdate:update select="/erp5/object[@id='313730']/title/attribute::attribute_a">nnn</xupdate:update>
    <xupdate:update select="/erp5/object[@id='313730']/title/attribute::attribute_b">nnn</xupdate:update>
    <xupdate:update select="/erp5/object[@id='313730']/title/attribute::attribute_c">nnn</xupdate:update>
  </xupdate:modifications>

14. Remove one attribute

  >>> old_xml = """
  ... <erp5>
  ...   <object portal_type="Person" id="313730">
  ...     <first_name attribute_a="aaa" attribute_b="bbb" attribute_c="ccc" type="string">Tatuya</first_name>
  ...   </object>
  ... </erp5>
  ... """
  >>> new_xml = """
  ... <erp5>
  ...   <object portal_type="Person" id="313730">
  ...     <first_name attribute_a="aaa" attribute_b="bbb" type="string">Tatuya</first_name>
  ...   </object>
  ... </erp5>
  ... """
  >>> erp5diff.compare(old_xml, new_xml)
  >>> erp5diff.output()
  <xupdate:modifications xmlns:xupdate="http://www.xmldb.org/xupdate" version="1.0">
    <xupdate:remove select="/erp5/object[@id='313730']/first_name/attribute::attribute_c"/>
  </xupdate:modifications>

15. Remove two attribute

  >>> old_xml = """
  ... <erp5>
  ...   <object portal_type="Person" id="313730">
  ...     <first_name attribute_a="aaa" attribute_b="bbb" attribute_c="ccc" type="string">Tatuya</first_name>
  ...   </object>
  ... </erp5>
  ... """
  >>> new_xml = """
  ... <erp5>
  ...   <object portal_type="Person" id="313730">
  ...     <first_name attribute_a="aaa" type="string">Tatuya</first_name>
  ...   </object>
  ... </erp5>
  ... """
  >>> erp5diff.compare(old_xml, new_xml)
  >>> erp5diff.output()
  <xupdate:modifications xmlns:xupdate="http://www.xmldb.org/xupdate" version="1.0">
    <xupdate:remove select="/erp5/object[@id='313730']/first_name/attribute::attribute_b"/>
    <xupdate:remove select="/erp5/object[@id='313730']/first_name/attribute::attribute_c"/>
  </xupdate:modifications>


16. Remove three attribute

  >>> old_xml = """
  ... <erp5>
  ...   <object portal_type="Person" id="313730">
  ...     <first_name attribute_a="aaa" attribute_b="bbb" attribute_c="ccc" type="string">Tatuya</first_name>
  ...   </object>
  ... </erp5>
  ... """
  >>> new_xml = """
  ... <erp5>
  ...   <object portal_type="Person" id="313730">
  ...     <first_name type="string">Tatuya</first_name>
  ...   </object>
  ... </erp5>
  ... """
  >>> erp5diff.compare(old_xml, new_xml)
  >>> erp5diff.output()
  <xupdate:modifications xmlns:xupdate="http://www.xmldb.org/xupdate" version="1.0">
    <xupdate:remove select="/erp5/object[@id='313730']/first_name/attribute::attribute_a"/>
    <xupdate:remove select="/erp5/object[@id='313730']/first_name/attribute::attribute_b"/>
    <xupdate:remove select="/erp5/object[@id='313730']/first_name/attribute::attribute_c"/>
  </xupdate:modifications>

17. Append one attribute

  >>> old_xml = """
  ... <erp5>
  ...   <object portal_type="Person" id="313730">
  ...     <last_name type="string">Kamada</last_name>
  ...   </object>
  ... </erp5>
  ... """
  >>> new_xml = """
  ... <erp5>
  ...   <object portal_type="Person" id="313730">
  ...     <last_name attribute_a="aaa" type="string">Kamada</last_name>
  ...   </object>
  ... </erp5>
  ... """
  >>> erp5diff.compare(old_xml, new_xml)
  >>> erp5diff.output()
  <xupdate:modifications xmlns:xupdate="http://www.xmldb.org/xupdate" version="1.0">
    <xupdate:append select="/erp5/object[@id='313730']/last_name">
      <xupdate:attribute name="attribute_a">aaa</xupdate:attribute>
    </xupdate:append>
  </xupdate:modifications>


18. Append two attribute

  >>> old_xml = """
  ... <erp5>
  ...   <object portal_type="Person" id="313730">
  ...     <last_name type="string">Kamada</last_name>
  ...   </object>
  ... </erp5>
  ... """
  >>> new_xml = """
  ... <erp5>
  ...   <object portal_type="Person" id="313730">
  ...     <last_name attribute_a="aaa" attribute_b="bbb" type="string">Kamada</last_name>
  ...   </object>
  ... </erp5>
  ... """
  >>> erp5diff.compare(old_xml, new_xml)
  >>> erp5diff.output()
  <xupdate:modifications xmlns:xupdate="http://www.xmldb.org/xupdate" version="1.0">
    <xupdate:append select="/erp5/object[@id='313730']/last_name">
      <xupdate:attribute name="attribute_a">aaa</xupdate:attribute>
      <xupdate:attribute name="attribute_b">bbb</xupdate:attribute>
    </xupdate:append>
  </xupdate:modifications>

19. Append three attribute

  >>> old_xml = """
  ... <erp5>
  ...   <object portal_type="Person" id="313730">
  ...     <last_name type="string">Kamada</last_name>
  ...   </object>
  ... </erp5>
  ... """
  >>> new_xml = """
  ... <erp5>
  ...   <object portal_type="Person" id="313730">
  ...     <last_name attribute_a="aaa" attribute_b="bbb" attribute_c="ccc" type="string">Kamada</last_name>
  ...   </object>
  ... </erp5>
  ... """
  >>> erp5diff.compare(old_xml, new_xml)
  >>> erp5diff.output()
  <xupdate:modifications xmlns:xupdate="http://www.xmldb.org/xupdate" version="1.0">
    <xupdate:append select="/erp5/object[@id='313730']/last_name">
      <xupdate:attribute name="attribute_a">aaa</xupdate:attribute>
      <xupdate:attribute name="attribute_b">bbb</xupdate:attribute>
      <xupdate:attribute name="attribute_c">ccc</xupdate:attribute>
    </xupdate:append>
  </xupdate:modifications>


20. Remove some elements that have same id

This is an unexpected case for current ERP5Diff alogrithm. So current ERP5Diff
does not work as bellow example. This is a known bug.

  >>> old_xml = """
  ... <erp5>
  ...   <object portal_type="Person" id="313730">
  ...     <workflow_action id="edit_workflow">
  ...       <time type="date">2009/08/28 19:12:34.424 GMT+9</time>
  ...     </workflow_action>
  ...     <workflow_action id="edit_workflow">
  ...       <time type="date">2009/08/28 19:12:34.432 GMT+9</time>
  ...     </workflow_action>
  ...     <workflow_action id="edit_workflow">
  ...       <time type="date">2009/08/28 19:12:34.434 GMT+9</time>
  ...     </workflow_action>
  ...     <workflow_action id="edit_workflow">
  ...       <time type="date">2009/08/28 19:12:34.432 GMT+9</time>
  ...     </workflow_action>
  ...     <workflow_action id="edit_workflow">
  ...       <time type="date">2009/08/28 19:12:34.430 GMT+9</time>
  ...     </workflow_action>
  ...     <workflow_action id="edit_workflow">
  ...       <time type="date">2009/08/28 19:12:34.428 GMT+9</time>
  ...     </workflow_action>
  ...     <workflow_action id="edit_workflow">
  ...       <time type="date">2009/08/28 19:12:34.426 GMT+9</time>
  ...     </workflow_action>
  ...   </object>
  ... </erp5>
  ... """
  >>> new_xml = """
  ... <erp5>
  ...   <object portal_type="Person" id="313730">
  ...     <workflow_action id="edit_workflow">
  ...       <time type="date">2009/08/28 19:12:34.424 GMT+9</time>
  ...     </workflow_action>
  ...     <workflow_action id="edit_workflow">
  ...       <time type="date">2009/08/28 19:12:34.430 GMT+9</time>
  ...     </workflow_action>
  ...     <workflow_action id="edit_workflow">
  ...       <time type="date">2009/08/28 19:12:34.428 GMT+9</time>
  ...     </workflow_action>
  ...     <workflow_action id="edit_workflow">
  ...       <time type="date">2009/08/28 19:12:34.426 GMT+9</time>
  ...     </workflow_action>
  ...   </object>
  ... </erp5>
  ... """
  >>> erp5diff.compare(old_xml, new_xml)
  >>> erp5diff.output()
  <xupdate:modifications xmlns:xupdate="http://www.xmldb.org/xupdate" version="1.0">
    <xupdate:remove select="/erp5/object[@id='313730']/workflow_action[@id='edit_workflow'][2]"/>
    <xupdate:remove select="/erp5/object[@id='313730']/workflow_action[@id='edit_workflow'][3]"/>
    <xupdate:remove select="/erp5/object[@id='313730']/workflow_action[@id='edit_workflow'][4]"/>
  </xupdate:modifications>

21. Modify two elements that have same id

 As well as No.20. This a known bug, too.

  >>> old_xml = """
  ... <erp5>
  ...   <object portal_type="Person" id="313730">
  ...     <workflow_action id="edit_workflow">
  ...       <time type="date">2009/08/28 19:12:34.424 GMT+9</time>
  ...     </workflow_action>
  ...     <workflow_action id="edit_workflow">
  ...       <time type="date">2009/08/28 19:12:34.432 GMT+9</time>
  ...     </workflow_action>
  ...     <workflow_action id="edit_workflow">
  ...       <time type="date">2009/08/28 19:12:34.434 GMT+9</time>
  ...     </workflow_action>
  ...     <workflow_action id="edit_workflow">
  ...       <time type="date">2009/08/28 19:12:34.436 GMT+9</time>
  ...     </workflow_action>
  ...   </object>
  ... </erp5>
  ... """
  >>> new_xml = """
  ... <erp5>
  ...   <object portal_type="Person" id="313730">
  ...     <workflow_action id="edit_workflow">
  ...       <time type="date">2009/08/28 19:12:34.424 GMT+9</time>
  ...     </workflow_action>
  ...     <workflow_action id="edit_workflow">
  ...       <time type="date">2009/08/29 19:12:34.432 GMT+9</time>
  ...     </workflow_action>
  ...     <workflow_action id="edit_workflow">
  ...       <time type="date">2009/08/30 19:12:34.434 GMT+9</time>
  ...     </workflow_action>
  ...     <workflow_action id="edit_workflow">
  ...       <time type="date">2009/08/31 19:12:34.436 GMT+9</time>
  ...     </workflow_action>
  ...   </object>
  ... </erp5>
  ... """
  >>> erp5diff.compare(old_xml, new_xml)
  >>> erp5diff.output()
  <xupdate:modifications xmlns:xupdate="http://www.xmldb.org/xupdate" version="1.0">
    <xupdate:update select="/erp5/object[@id='313730']/workflow_action[@id='edit_workflow'][2]/time">2009/08/29 19:12:34.432 GMT+9</xupdate:update>
    <xupdate:update select="/erp5/object[@id='313730']/workflow_action[@id='edit_workflow'][3]/time">2009/08/30 19:12:34.434 GMT+9</xupdate:update>
    <xupdate:update select="/erp5/object[@id='313730']/workflow_action[@id='edit_workflow'][4]/time">2009/08/31 19:12:34.436 GMT+9</xupdate:update>
  </xupdate:modifications>

22. Modify attributes of sequencial objects

 ERP5Diff creates target index from 0 as a XPath string, but according to the
 definition of the XPath specification <http://www.w3.org/TR/xpath>, it is wrong.
 It should be start from 1. This is a known problem.

  >>> old_xml = """
  ... <erp5>
  ...   <object portal_type="Test">
  ...     <title>A</title>
  ...   </object>
  ...   <object portal_type="Test">
  ...     <title>A</title>
  ...   </object>
  ...   <object portal_type="Test">
  ...     <title>A</title>
  ...   </object>
  ... </erp5>
  ... """
  >>> new_xml = """
  ... <erp5>
  ...   <object portal_type="Test">
  ...     <title>A</title>
  ...   </object>
  ...   <object portal_type="Test">
  ...     <title>B</title>
  ...   </object>
  ...   <object portal_type="Test">
  ...     <title>C</title>
  ...   </object>
  ... </erp5>
  ... """
  >>> erp5diff.compare(old_xml, new_xml)
  >>> erp5diff.output()
  <xupdate:modifications xmlns:xupdate="http://www.xmldb.org/xupdate" version="1.0">
    <xupdate:update select="/erp5/object[2]/title">B</xupdate:update>
    <xupdate:update select="/erp5/object[3]/title">C</xupdate:update>
  </xupdate:modifications>

23. Modify nodes with Qualified Names
  ERP5Diff should create xpath valid expression with correct prefix
  >>> old_xml = """
  ... <erp5>
  ...   <object portal_type="Test">
  ...     <prefix:title xmlns:prefix="http://any_uri">A</prefix:title>
  ...   </object>
  ...   <object portal_type="Test">
  ...     <prefixbis:title xmlns:prefixbis="http://any_uri_bis">A</prefixbis:title>
  ...   </object>
  ...   <object portal_type="Test">
  ...     <againanotherprefix:title xmlns:againanotherprefix="http://any_uri">A</againanotherprefix:title>
  ...   </object>
  ... </erp5>
  ... """
  >>> new_xml = """
  ... <erp5>
  ...   <object portal_type="Test">
  ...     <anotherprefix:title xmlns:anotherprefix="http://any_uri">A</anotherprefix:title>
  ...   </object>
  ...   <object portal_type="Test">
  ...     <prefix:title xmlns:prefix="http://any_uri" prefix:myattr="anyvalue">B</prefix:title>
  ...   </object>
  ...   <object portal_type="Test">
  ...     <title>A</title>
  ...   </object>
  ...   <erp5:object portal_type="Test" xmlns:erp5="http://www.erp5.org/namespaces/erp5_object">
  ...     <title>B</title>
  ...   </erp5:object>
  ...   <object portal_type="Test">
  ...     <prefix:title xmlns:prefix="http://any_uri">C</prefix:title>
  ...   </object>
  ... </erp5>
  ... """
  >>> erp5diff.compare(old_xml, new_xml)
  >>> erp5diff.output()
  <xupdate:modifications xmlns:xupdate="http://www.xmldb.org/xupdate" version="1.0">
    <xupdate:remove xmlns:prefixbis="http://any_uri_bis" select="/erp5/object[2]/prefixbis:title"/>
    <xupdate:append xmlns:prefix="http://any_uri" select="/erp5/object[2]" child="first()">
      <xupdate:element name="prefix:title" namespace="http://any_uri"><xupdate:attribute name="prefix:myattr" namespace="http://any_uri">anyvalue</xupdate:attribute>B</xupdate:element>
    </xupdate:append>
    <xupdate:remove xmlns:againanotherprefix="http://any_uri" select="/erp5/object[3]/againanotherprefix:title"/>
    <xupdate:append select="/erp5/object[3]" child="first()">
      <xupdate:element name="title">A</xupdate:element>
    </xupdate:append>
    <xupdate:insert-after xmlns:erp5="http://www.erp5.org/namespaces/erp5_object" select="/erp5/object[3]">
      <xupdate:element name="erp5:object" namespace="http://www.erp5.org/namespaces/erp5_object">
        <xupdate:attribute name="portal_type">Test</xupdate:attribute>
        <title>B</title>
      </xupdate:element>
      <xupdate:element name="object">
        <xupdate:attribute name="portal_type">Test</xupdate:attribute>
        <prefix:title xmlns:prefix="http://any_uri">C</prefix:title>
      </xupdate:element>
    </xupdate:insert-after>
  </xupdate:modifications>

24. Modify nodes with Qualified Names
  Work on Attributes specially
  >>> old_xml = """
  ... <erp5>
  ...   <object portal_type="Test">
  ...     <title xmlns:prefix="http://any_uri" prefix:attr="A">A</title>
  ...   </object>
  ... </erp5>
  ... """
  >>> new_xml = """
  ... <erp5>
  ...   <object portal_type="Test">
  ...     <title xmlns:prefix="http://any_uri" prefix:attr="B">A</title>
  ...   </object>
  ... </erp5>
  ... """
  >>> erp5diff.compare(old_xml, new_xml)
  >>> erp5diff.output()
  <xupdate:modifications xmlns:xupdate="http://www.xmldb.org/xupdate" version="1.0">
    <xupdate:update xmlns:prefix="http://any_uri" select="/erp5/object/title/attribute::prefix:attr">B</xupdate:update>
  </xupdate:modifications>

25. Modify nodes with Qualified Names at root level
  Work on Attributes specially
  >>> old_xml = """
  ... <erp5:erp5 xmlns:erp5="http://www.erp5.org/namspaces/erp5_object" a="aaa" b="bbb">
  ...   <object portal_type="Test">
  ...     <title xmlns:prefix="http://any_uri" prefix:attr="A">A</title>
  ...   </object>
  ... </erp5:erp5>
  ... """
  >>> new_xml = """
  ... <aaa:erp5 xmlns:aaa="http://www.erp5.org/namspaces/aaa" b="bbb" >
  ...   <object portal_type="Test">
  ...     <title xmlns:prefix="http://any_uri" prefix:attr="B">A</title>
  ...   </object>
  ... </aaa:erp5>
  ... """
  >>> erp5diff.compare(old_xml, new_xml)
  >>> erp5diff.output()
  <xupdate:modifications xmlns:xupdate="http://www.xmldb.org/xupdate" version="1.0">
    <xupdate:rename xmlns:aaa="http://www.erp5.org/namspaces/aaa" xmlns:erp5="http://www.erp5.org/namspaces/erp5_object" select="/erp5:erp5">aaa:erp5</xupdate:rename>
    <xupdate:remove xmlns:aaa="http://www.erp5.org/namspaces/aaa" select="/aaa:erp5/attribute::a"/>
    <xupdate:update xmlns:prefix="http://any_uri" xmlns:aaa="http://www.erp5.org/namspaces/aaa" select="/aaa:erp5/object/title/attribute::prefix:attr">B</xupdate:update>
  </xupdate:modifications>

26. Reorder some nodes to the end of list
  >>> old_xml = """
  ... <ul>
  ...   <li>1</li>
  ...   <li>2</li>
  ...   <li>3</li>
  ...   <li>4</li>
  ...   <li>5</li>
  ...   <li>6</li>
  ...   <li>7</li>
  ...   <li>8</li>
  ...   <li>9</li>
  ... </ul>
  ... """
  >>> new_xml = """
  ... <ul>
  ...   <li>1</li>
  ...   <li>2</li>
  ...   <li>5</li>
  ...   <li>6</li>
  ...   <li>7</li>
  ...   <li>3</li>
  ...   <li>4</li>
  ...   <li>8</li>
  ...   <li>9</li>
  ... </ul>
  ... """
  >>> erp5diff.compare(old_xml, new_xml)
  >>> erp5diff.output()
  <xupdate:modifications xmlns:xupdate="http://www.xmldb.org/xupdate" version="1.0">
    <xupdate:remove select="/ul/li[3]"/>
    <xupdate:remove select="/ul/li[4]"/>
    <xupdate:insert-after select="/ul/li[7]">
      <xupdate:element name="li">3</xupdate:element>
      <xupdate:element name="li">4</xupdate:element>
    </xupdate:insert-after>
  </xupdate:modifications>

26. Reorder some nodes from the end of list
  >>> old_xml = """
  ... <ul>
  ...   <li>1</li>
  ...   <li>2</li>
  ...   <li>3</li>
  ...   <li>4</li>
  ...   <li>5</li>
  ...   <li>6</li>
  ...   <li>7</li>
  ...   <li>8</li>
  ...   <li>9</li>
  ... </ul>
  ... """
  >>> new_xml = """
  ... <ul>
  ...   <li>1</li>
  ...   <li>2</li>
  ...   <li>7</li>
  ...   <li>8</li>
  ...   <li>3</li>
  ...   <li>4</li>
  ...   <li>5</li>
  ...   <li>6</li>
  ...   <li>9</li>
  ... </ul>
  ... """
  >>> erp5diff.compare(old_xml, new_xml)
  >>> erp5diff.output()
  <xupdate:modifications xmlns:xupdate="http://www.xmldb.org/xupdate" version="1.0">
    <xupdate:remove select="/ul/li[7]"/>
    <xupdate:remove select="/ul/li[8]"/>
    <xupdate:insert-after select="/ul/li[2]">
      <xupdate:element name="li">7</xupdate:element>
      <xupdate:element name="li">8</xupdate:element>
    </xupdate:insert-after>
  </xupdate:modifications>

27. Reorder some nodes at start
  >>> old_xml = """
  ... <ul>
  ...   <li>1</li>
  ...   <li>2</li>
  ...   <li>3</li>
  ...   <li>4</li>
  ...   <li>5</li>
  ...   <li>6</li>
  ...   <li>7</li>
  ...   <li>8</li>
  ...   <li>9</li>
  ... </ul>
  ... """
  >>> new_xml = """
  ... <ul>
  ...   <li>5</li>
  ...   <li>6</li>
  ...   <li>1</li>
  ...   <li>2</li>
  ...   <li>3</li>
  ...   <li>4</li>
  ...   <li>7</li>
  ...   <li>8</li>
  ...   <li>9</li>
  ... </ul>
  ... """
  >>> erp5diff.compare(old_xml, new_xml)
  >>> erp5diff.output()
  <xupdate:modifications xmlns:xupdate="http://www.xmldb.org/xupdate" version="1.0">
    <xupdate:remove select="/ul/li[5]"/>
    <xupdate:remove select="/ul/li[6]"/>
    <xupdate:append child="first()">
      <xupdate:element name="li">5</xupdate:element>
      <xupdate:element name="li">6</xupdate:element>
    </xupdate:append>
  </xupdate:modifications>

28. Reorder some nodes at the end
  >>> old_xml = """
  ... <ul>
  ...   <li>1</li>
  ...   <li>2</li>
  ...   <li>3</li>
  ...   <li>4</li>
  ...   <li>5</li>
  ...   <li>6</li>
  ...   <li>7</li>
  ...   <li>8</li>
  ...   <li>9</li>
  ... </ul>
  ... """
  >>> new_xml = """
  ... <ul>
  ...   <li>1</li>
  ...   <li>4</li>
  ...   <li>5</li>
  ...   <li>6</li>
  ...   <li>7</li>
  ...   <li>8</li>
  ...   <li>9</li>
  ...   <li>2</li>
  ...   <li>3</li>
  ... </ul>
  ... """
  >>> erp5diff.compare(old_xml, new_xml)
  >>> erp5diff.output()
  <xupdate:modifications xmlns:xupdate="http://www.xmldb.org/xupdate" version="1.0">
    <xupdate:remove select="/ul/li[2]"/>
    <xupdate:remove select="/ul/li[3]"/>
    <xupdate:insert-after select="/ul/li[9]">
      <xupdate:element name="li">2</xupdate:element>
      <xupdate:element name="li">3</xupdate:element>
    </xupdate:insert-after>
  </xupdate:modifications>

29. Delete children with white-space as text nodes
  >>> old_xml = """
  ... <object>
  ...   <local_permission type="tokens" id="View">
  ...      <marshal:marshal xmlns:marshal="http://www.erp5.org/namespaces/marshaller">
  ...        <marshal:tuple>
  ...          <marshal:string>Assignee</marshal:string>
  ...          <marshal:string>Assignor</marshal:string>
  ...        </marshal:tuple>
  ...      </marshal:marshal>
  ...    </local_permission>
  ...  </object>
  ... """
  >>> new_xml = """
  ... <object>
  ...   <local_permission type="tokens" id="View">
  ...      <marshal:marshal xmlns:marshal="http://www.erp5.org/namespaces/marshaller">
  ...        <marshal:tuple>
  ...        </marshal:tuple>
  ...      </marshal:marshal>
  ...    </local_permission>
  ...  </object>
  ... """
  >>> erp5diff.compare(old_xml, new_xml)
  >>> erp5diff.output()
  <xupdate:modifications xmlns:xupdate="http://www.xmldb.org/xupdate" version="1.0">
    <xupdate:remove xmlns:marshal="http://www.erp5.org/namespaces/marshaller" select="/object/local_permission[@id='View']/marshal:marshal/marshal:tuple/marshal:string[1]"/>
    <xupdate:remove xmlns:marshal="http://www.erp5.org/namespaces/marshaller" select="/object/local_permission[@id='View']/marshal:marshal/marshal:tuple/marshal:string[2]"/>
  </xupdate:modifications>

29Bis. Delete childrens with auto-closing nodes
  >>> old_xml = """
  ... <object>
  ...   <local_permission type="tokens" id="View">
  ...      <marshal:marshal xmlns:marshal="http://www.erp5.org/namespaces/marshaller">
  ...        <marshal:tuple>
  ...          <marshal:string>Assignee</marshal:string>
  ...          <marshal:string>Assignor</marshal:string>
  ...        </marshal:tuple>
  ...      </marshal:marshal>
  ...    </local_permission>
  ...  </object>
  ... """
  >>> new_xml = """
  ... <object>
  ...   <local_permission type="tokens" id="View">
  ...      <marshal:marshal xmlns:marshal="http://www.erp5.org/namespaces/marshaller">
  ...        <marshal:tuple/>
  ...      </marshal:marshal>
  ...    </local_permission>
  ...  </object>
  ... """
  >>> erp5diff.compare(old_xml, new_xml)
  >>> erp5diff.output()
  <xupdate:modifications xmlns:xupdate="http://www.xmldb.org/xupdate" version="1.0">
    <xupdate:remove xmlns:marshal="http://www.erp5.org/namespaces/marshaller" select="/object/local_permission[@id='View']/marshal:marshal/marshal:tuple/marshal:string[1]"/>
    <xupdate:remove xmlns:marshal="http://www.erp5.org/namespaces/marshaller" select="/object/local_permission[@id='View']/marshal:marshal/marshal:tuple/marshal:string[2]"/>
  </xupdate:modifications>

30. Replace a node by another one following by a modification
  >>> old_xml = """
  ... <resource reference="Product Ballon de Plage a5962z">
  ...   <title>Ballon de Plage</title>
  ...   <reference>a5962z</reference>
  ...   <sale_price>200.250000</sale_price>
  ...   <purchase_price>100.250000</purchase_price>
  ...   <category>ball_size/s4</category>
  ...   <category>ball_size/s5</category>
  ...   <category>colour/black</category>
  ...   <category>colour/white</category>
  ...   <category>type/product</category>
  ... </resource>
  ... """
  >>> new_xml = """
  ... <resource reference="Product Ballon de Plage a5962z">
  ...   <title>Ballon de Plage</title>
  ...   <reference>a5962z</reference>
  ...   <sale_price>120.000000</sale_price>
  ...   <ean13>1357913579130</ean13><!--replace purchase_price -->
  ...   <category>ball_size/s4</category>
  ...   <category>ball_size/s6</category><!--first modification to trig the bug -->
  ...   <category>colour/red</category>
  ...   <category>colour/white</category>
  ...   <category>type/product</category>
  ... </resource>
  ... """
  >>> erp5diff.compare(old_xml, new_xml)
  >>> erp5diff.output()
  <xupdate:modifications xmlns:xupdate="http://www.xmldb.org/xupdate" version="1.0">
    <xupdate:update select="/resource/sale_price">120.000000</xupdate:update>
    <xupdate:remove select="/resource/purchase_price"/>
    <xupdate:update select="/resource/category[2]">ball_size/s6</xupdate:update>
    <xupdate:update select="/resource/category[3]">colour/red</xupdate:update>
    <xupdate:insert-before select="/resource/category[0]">
      <xupdate:element name="ean13">1357913579130</xupdate:element>
    </xupdate:insert-before>
  </xupdate:modifications>

- 2003-12-04, Yoshinori OKUJI <yo@nexedi.com>
- 2009-09-15, Tatuya Kamada <tatuya@nexedi.com>