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CVS commit: wip/py-generateDS



Module name:	wip
Committed by:	lexort
Date:		Wed Jan 28 19:10:23 UTC 2015

Modified Files:
	wip/py-generateDS: Makefile PLIST distinfo

Log Message:
Update to 2.14a.

To preserve my ability to complain about updates with a summary of
changes, I present to you upstream's vast changelist from their
README:

Version 2.14a (11/26/2014)
- Fixed export of simpleType lists (added "' '.join(data)".  Thanks
  to Per Rosengren for catching this.
- Added new style validation of simpleType data.  Validation
  requirements are captured from the XML schema definition of the
  simpleType, e.g. 'restriction base="..."' etc.  Thanks to
  azer gh for implementing much of this extended capability.
- Added unit test for simpleType validation, including test for
  proper detection of bad (invalid) data.
- Did some code cleanup with the help of the flake8 code checker.
- Added a fix so that attribute declarations that use ref= rather
  than type= will also be generated with the specific type.  Thanks
  to Florian Wilmshoever for catching and reporting this and for
  providing an XML schema as a test case.
- Added unit test for reference to simpleType.
- Fix to generation of names of substitutionGroup.  The namespace
  prefix was not being stripped in some cases.

Version 2.13a (09/09/2014)
- Minor fix to function generateToEtreeChildren.  Must generate
  call to get_valueOf only when defined (i.e. when element is
  simpleContent or isMixed).
- Fix to generation of class name prefixes added with the "-p"
  command line option.  This fix was added by Christian Ascheberg.
  Thank you Christian.
- Added unit test for class name prefixes command line option.

Version 2.12f (08/12/2014)
- Fix for substitutionGroup conflict with keyword name mapping.
  Thanks to Leonid Minchin for finding and helping with this
  problem.
- An exception occured when an element had a documentation string
  that was short (possibly 1 character).  Fixed.  Thanks to Matthias
  Zaake for finding this and for providing a patch.

Version 2.12e (06/16/2014)
- Fix for formatting error.  Thanks to Nikolay Lavrov for catching
  this and for providing a fix.
- Fix to gds_parse_datetime().  The Python datetime module's
  datetime object uses microseconds, but xs:dateTime uses fractions
  of a second (e.g. 0.123).  Converted from decimal fraction to
  microseconds.  Thanks to Mikki Weesenaar for catching this.
- Modified behavior and names for generated method insert_xxx(which
  are generated when, e.g., maxOccurs="unbounded"), so that now we
  generate insert_xxx_at and replace_xxx_at.  Thanks to Bart
  Wagenaar for pointing out this deviation from Pythonic style.
- Function transitiveClosure in generateDS.py was susceptible to
  infinite looping.  This seemed to occur when a substitutionGroup
  contains a member with the same name as the head of the
  substitutionGroup (but in a different namespace?).  Added a test
  to stop the recursion when this occurs.  Thanks to Stuart Chalk
  for finding and reporting this.
- Added explanation to the documentation explaining how the source                  
  distribution (generateDS-x.xxy.tar.gz or Bitbucket) is needed for                 
  use of the Django model generation capability.                                    

Version 2.12d (04/02/2014)
- Fix for an infinite loop caused by inconsistent use of
  mapped/clean names with list AlreadyGenerated.  Thanks to Jerome
  Allasia for catching this and for suggesting a fix.
- Added a unit test for the use of mapped/clean names, in particular
  when one xs:complexType is an xs:extension of another.
- Changed several lists to sets for faster look-up, for example
  AlreadyGenerated, AlreadyGenerated_subclass, DelayedElements, etc.
- Cleaned up the use of functions mapName() and cleanupName() to
  avoid duplicate transformations.

Version 2.12c (03/28/2014)
- Fix for "one module per XSD file" to handle an include or import
  element that refers to a *remote* schema on the Net (i.e. the
  location is "http:..." or "ftp:...") rather than a file on the
  local file system.  Added ability to access include/import file
  across the Net.  Thanks to Jinquan Liu for reporting this.
- Added schema to unit test for "one module per XSD file" that is
  read from remote site (http://www.davekuhlman.org).
- Fix to process_includes.py -- When run directly from the command
  line (as opposed to imported and called from another python
  module), the fixtypenames option was not being intialized.
- Fix for error in order of generation of classes that have
  superclasses.  When an anonymous simpleType occured, the name of
  the enclosing complexType was used, which caused generateDS.py to
  believe that the superclass had already been generated.  Thanks
  again to Jinquan Liu for reporting this issue.
- Fix for handling of xs:substitutionGroup -- Namespace prefix was
  causing gDS to fail to match on substitutionGroup name.
- Added code so that an instance of a generated class can remember
  the tag from which it was built.  This is needed for instances of
  a class that represents an element type that is a member of a
  xs:substitutionGroup.  But, in fact, generated code now uses this
  feature to remember and export the tag name of all complex
  elements.
- Enhanced command line option --root-element so that both the root
  tag and the root class can be specified (separated by a vertical
  bar).
- Added support for the ability of an element definition to inherit
  minOccurs and maxOccurs from the xs:sequence that contains it.
- The command line options and command line arguments used to
  generate modules are now included as comments near the top of the
  generated modules.  Also included in these generated comments is
  the command line used to generate the module.  This will help
  users later to determine which XML schema and what options were
  used to generate each module, and to re-generate the module, if
  needed.  Thanks to Mikki Weesenaar for suggesting this
  enhancement.

Version 2.12b (02/10/2014)
- Fix to the aliasing capability.  You should now be able to alias
  one element to another, and by doing so, only generate the
  targeted alias.  See notes on generateds_config.py in the
  documentation for more on this.  Thanks to Mikki Weesenaar for
  bring up the use case that needed this.
- Additional fixes for the "one module per XSD file".  Also,
  creation of a unit test for this capability.  See section "One
  Per -- generating separate files from imported/included schemas"
  in the documentation for more information.  Thanks again to
  George David for all his work on this.
- Fixes to process_includes.py -- Some uses of namespace prefix xs:
  were hard-coded, whereas some XML schemas use xsd: instead of xs:.
- Various fixes to unit tests so that all unit tests pass when using
  either the cloned Mercurial repository at Bitbucket
  (https://bitbucket.org/dkuhlman/generateds) or the tar achive.

Version 2.12a (10/29/2013)
- A name conflict issue caused by naming anonymous types.  An
  anonymous type is a complexType that does not have a name
  attribute and that is nested inside an element that does not have
  a type attribute.  Strengthened the code that generates new,
  unique names.  And, also fixed a problem or two in the surrounding
  code.  Thanks to Shahaf Abileah for reporting this and for
  providing test files to reproduce the problem behavior.
- Created unit test for anonymous types.
- Added command line option --fix-type-names.  This may be useful if
  there are name conflicts in your XML schema, for example, because
  the schema refers to two types with the same name but in different
  namespaces.
- Ability added to generate one Python module for each XML Schema
  (.xsd file) imported/included.  Added command line options
  --one-file-per-xsd, --output-directory=, and --module--suffix= in
  support of this.  Thanks much to George David for implementing
  this new feature.
- This change provided by Logan Owen. -- Return self from build
  function of generated classes, to allow easy chaining.  The main
  use case for this change is if you have a list of xml documents,
  and you want to change them into generateDS class instances.
  Thank you Logan.

Version 2.11a (08/16/2013)
- Added ability to use XML catalog to find included/imported
  schemas.  The -c command line option has been added to support
  this.  Thanks to George David for implementing this enhancement.
- Added unit test for the catalog capability.
- Added ability to pick up the target namespace and its prefix, then
  use them in calling the export functions from the parse functions.
  Thanks to George David for suggesting this.
- Several fixes to formatting date and floats during export.  Thanks
  to Domenico Mangieri for catching and fixing these.
- Added generation of an extra, optional "silence" argument to the
  parse functions so that export can be turned on or off at runtime.
  Domenico is the motivator on this one, too.
- The information about minOccurs and maxOccurs in the generateDS
  document (generateDS.txt) was misleading or wrong.  Edited it.
  Thanks to Rinat Yangurazov for catching this.

Version 2.10b (07/22/2013)
- Changed flag for generating getters and setters.  Removed flag
  --use-old-getter-setter.  Replaced it with new flag
  --use-getter-setter, which can have the following values:
     "old" - Name getters/setters getVar()/setVar().
     "new" - Name getters/setters get_var()/set_var().
     "none" - Do not generate getter/setter methods.
  The default is "new".  See the help (use --help option) or see the
  doc (generateDS.txt/generateDS.html) for more on this.  Thanks to
  Mike Vella for suggesting this.
- Changed suffix used to prevent name conflicts with Python keywords
  from "xx" to "_".

Version 2.10a (05/29/2013)
- Added ability to produce mapping (a dict) during call to
  to_etree() that maps gDS instances to their associated etree
  elements.  Also added convenience method gds_reverse_node_mapping
  to reverse the order of keys and values in a mapping/dict.  See
  function parseEtree in the generated code for hints about how to
  produce these mappings.  There is also a note on generating the
  Lxml Element tree in the docs (generateDS.txt/generateDS.html).
- Python datetime.date objects don't have tzinfo, so trying to
  access it in gds_format_date was throwing an error. According to
  http://stackoverflow.com/a/610923, the best way to avoid that type
  of error is to use a try/catch for AttributeError.  Thanks to
  Logan Owen for this fix.
- Fixed bug so that gDS will now handle a simpleType nested inside a
  restriction nested inside a simpleType.  Thanks to Christian
  Kaiser for finding this, for focusing my attention on it, and for
  providing the sample files to test it with.
- Fixed bug where gDS was failing to resolve defined a simpleType
  correctly.  It was failing to add the XSchema namespace (usually
  xs:).  Thanks again to Christian Kaiser for focusing me on this
  one.
- Fixes to handling of xs:dateTime when the XML schema specifies a
  default value and the XML instance document omits the value.
  Also, fixed formatting because datetime.strftime does not handle
  dates outside of range (e.g. earlier then 19000).  Attempts to use
  a consistent internal representation across xs:dateTime, xs:date,
  and xs:time, specifically instances of datetime.datetime,
  datetime.date, and datetime.time from the Python standard library.
  Thanks to Shahaf Abileah for reporting this and for providing an
  example of the schema.  *Caution*: Because this changes the
  internal representation of dates and times used by the generated
  code, this fix may break some existing applications.
- Various fixes to generation of method exportLiteral in generated
  classes.
- More code clean-up in generateDS.py to eliminate coding style
  warnings and errors reported by flake8.  Ditto for
  process_includes.py.  Also, made a few changes to reduce the
  warnings and errors reported by flake8 when run on code generated
  by gDS.

Version 2.9a (02/21/2013)
- Added support for exporting to an Lxml element tree.  The element
  tree can then be serialized to XML, e.g. using Lxml
  etree.tostring().  This innovation is by Logan Owen, who also did
  most of the work on it (but I helped some, too).  Note that this
  work is not yet complete; it's still "work in progress"; but it
  looks very promising.
- Added --export command line option.  This enables the user to
  selectively generate export methods for any or all of normal
  export, export to etree (lxml element tree), or export to literal
  python code.  This will enable users to reduce bulk in their
  generated files when any or all of these are not needed.  The
  default is "write literal", i.e. the normal export methods that we
  are used to.  Use the --help command line option or read the doc
  for a description of this option.
- Fixed a bug that occurs when a schema has an attributeGroup
  referenced with a name that includes a namespace prefix but the
  attributeGroup is defined with a name that does *not* have the
  namespace prefix.  Thanks to Mike Detecca for reporting this and
  for nudging me in the right direction when I, initially, made the
  wrong fix.
- Added unit test for export to etree.
- Various fixes to the to_etree (export to Lxml element tree)
  capability: (1) fix to preserve names that contain special
  characters (e.g. "-" and "."); (2) fix to preserve the type
  attribute (xsi:type) for abstract types that whose type is set
  explicitly.  Round turn (XML --> gDS object tree --> lxml element
  tree --> gDS --> lxml ...) now seems to work reasonably well,
  although I'm guessing that there are still bits missing (in
  particular, support for xs:anyAttribute).

Version 2.8c (provisional) (01/30/2013)
- Changed generated check for attributes that are already_processed
  to use a set object rather than a list.  Since sets are hashed, I
  believe that lookup is faster.

Version 2.8b (01/30/2013)
- Fixed missing underscore in reference to member names in
  generateExportLiteralFn_2.  Thanks to Sergii Chernysh for
  reporting this.
- Fixed use of NameTable for mapping names when an element has an
  attribute and a child with the same name.  Needed to use correct
  name (original name or mapped name) when doing (1)
  fix_dup_names, (2) exportAttributes, and (3) buildAttributes.
  Thanks to Mike Vella for reporting this.
- Fixed gds_parse_datetime so that it will handle fractional
  seconds.  Thanks to Matt Hughes for providing this fix.  Now,
  xs:dateTime values that include microseconds are successfully
  parsed and exported.
- Created a Mercurial repository for generateDS at Bitbucket:
  https://bitbucket.org/dkuhlman/generateds

Version 2.8a (01/10/2013)
  * Fix to process_includes.py so as to remove the limitation on the
    number of unique names it can generate when raising anonymous
    types to the top level.  Thanks to Daniel Browne for help with
    this.
  * Added support for multiple level attributeGroup, i.e. for
    attribute groups that themselves contain references to other
    attribute groups.  Thanks to Harley Green for pointing out the
    need for this.  Also added a unit test for attribute groups.
  * Added support for more date and time simple types, specifically
    gYear, gYearMonth, gMonth, gMonthDay, and gDay.  Thanks to
    Nicholas Krasney for catching this.  Added tests in the unit
    tests for these types.
  * Quite a bit of code clean-up with the help of the flake8 Python
    code checker.  This is predominantly code cleanup that does not
    affect behavior, most commonly splitting lines that are longer
    than 80 characters across multiple lines for readability.  (See:
    http://pypi.python.org/pypi/flake8 for info about the flake8
    Python code checker.  I use it with the Syntastic plugin for the
    Vim text editor.)
  * Added generation of a dictionary that maps element definition
    names to generated class names.  Thanks to Elena Dolinin for the
    original work on this one.
  * Added support for xs:date and xs:dateTime.  These are now
    captured as instances of class datetime.datetime from the Python
    standard library.  They are parsed and exported with the help of
    that class and using methods gds_format_date,
    gds_format_datetime, gds_parse_date, and gds_parse_datetime in
    class GeneratedsSuper (which is part of the generated module).
    Logan Owen did the work on this.  Thanks much to Logan for
    implementing this and contributing this patch.
  * Turned logging off.  I did not realize that generateDS.py had
    been creating a log file (generateDS.log).  Logging can be
    turned back on by modifying the logging calls near the top of
    generateDS.py.
  * Fixed exception that is thrown when the XML schema file (.xsd)
    only contains a simple type.  Now, the output is generated, but
    it contains no data representation classes.  Thanks to Daniel
    Browne for catching this.

Version 2.7c (08/06/2012)
  * Added xs:hexBinary to the list of string types in generateDS.py
    and django/generatedssuper.py.  Effectively, we are generating
    the same code for types xs:base64Binary and xs:hexBinary.  That
    leaves it up to the user to add code that converts into and out
    of these formats.  Thanks to Peter Kreinhöfer for finding this.
  * Added support for compressed export, that is, export without
    ignorable white space (indentation and new lines).  Normally the
    generated export methods produce pretty-printed (indented) XML
    output.  With this change, we generate modules which enable you
    to export in a way that omits ignorable whitespace.  It is
    anticipated that this feature will be useful to those who need
    to export XML documents that are machine readable but not human
    readable.  Thanks much to Logan Owen for doing the work on this
    one.  Compressed (non-pretty-print) output is produced by
    passing the keyword argument pretty_print=False to the export
    method.  There is a note in the document (generateDS.html) about
    it; see section titled "Exporting compact XML documents".

Version 2.7b (12/10/2011)
  * Fix for xs:any in buildChildren in an element defined with no
    other children so that we do not generate "else:" clause without
    an "if ...:".  Thanks to Keith Robertson for help with this.
  * Change for xs:any in buildChildren (when maxOccurs > 1) so that
    the gds_build_any() method always, consistently takes a single
    *child* node as input and returns a single built object.  Thanks
    Marcin Tustin for guidance with this.
  * Fix for element definition containing an anonymous
    xs:simpleType.
  * Added xs:time to list of handled simple (date, time) types.

Version 2.7a (11/04/2011)
  * Fix for case where a child is defined with a reference (ref="")
    to a complexType (rather than a simpleType) and the complexType
    is abstract.
  * Added minimal support for xs:any.  See section "Support for
    xs:any" in the documentation.
  * Added unit test for xs:any.

Version 2.6b (10/13/2011)
  * Fix for case where a child element is declared with a type that
    is a simpleType whose restriction base is another simpleType
    that is referred to with a namespace prefix.  With this fix we
    ignore the prefix, so that at least it will work when there are
    *not* two different simpleTypes whose qualified names have the
    same local name (qualified name minus the namespace prefix).
    Thanks to Thomas Nichols for finding and reporting this one.
  * Added a unit test for the above restriction base with namespace
    prefix.
  * Added a blank character when needed at the beginning and end of
    of doc strings inserted in generated classes to protect against
    the case where the doc string begins or ends with a double quote
    character.
  * Fixes to various files in the tutorial/Code/ directory and to
    the text files in the tutorial/ directory in order to make them
    more consistent and less confusing.  Added the individual sample
    code files to the distribution so that users will not have to
    find and unzip a zipped archive.
  * Fixes to files in tests/ and to the distribution config
    (MANIFEST.in) so that the distributed version would pass unit
    tests.  (Please let me know if it does not.)
  * Removed file generatedssuper.py from the distribution.  Added
    notes to the documentation on how to create this module by
    copying from a generated module for those who want to customize
    those methods in the common superclass.
  * Fix to django/generatedssuper.py -- Regularized and fixed the
    names generated in models and forms files.
  * Fix to the code that generates the member_data_item_/MemberSpec_
    list/dict.  If the type of a child element is defined by a
    reference (ref="") to an element rather than, e.g.  a
    complexType, it was using the child's name not it's type.
  * Added xs:base64Binary and xs:language to the list of string
    types in generateDS.py and django/generatedssuper.py.  Also,
    xs:anyURI and xs:duration.

Version 2.6a (07/28/2011)
  * Fix to capture xs:/xsd:/etc namespace prefix from schema.  Was
    not setting global variable XsdNameSpace.  Thanks to Frank Liauw
    for focusing my attention on this one.
  * Fix for substitutionGroup -- Was not setting the correct
    instance variable during generation of build method when child
    is a member of substitutionGroup.  Thanks to Serge Dikic for
    finding this one and bringing it to my attention.
  * One more attempt to fix whether to call the exportChildren
    method when the complexType is an extension and not a
    restriction and not defined with simple content that extends a
    simpleType.  Thanks to Jaime Cepas for alerting me to this.
  * process_includes.py has a fix to the problem where there are
    more than one anonymous complexType that define elements with
    the same name.  The issue is that generateDS.py must generate a
    Python class for each complexType and cannot do so in this case.
    One solution, which is now implemented in process_includes.py,
    is to raise each complexType to top level in the schema DOM tree
    and to give it a name.  process_includes.py does this by
    appending "Type" to the name, and when there are duplicate
    names, appending "1" or "2" or ... to that.
    So far this change passes my tests, but it does not work for
    you, then comment out the call to raise_anon_complextypes().
    Thanks to Amal Khailtash for finding a schema that exhibits this
    problem and bringing it to my attention.
  * Fix for generation of export method that exports xs:anyAttribute
    when there is an xsi:type attribute.
  * Fix for use of valueOf_ -- Should only be used when element is
    defined either with (1) mixed content or (2) simpleContent.
  * Question: The xsi:type attribute is being exported for any
    derived type.  Perhaps it's harmless, but it seems excessive.
    When should the export method have that code to export the
    xsi:type attribute?  Only for types derived from (an extension
    of) an *abstract* base type?  Only for the abstract base type
    itself?  Only when a derived type is substituted for a base type
    using the base type's tag and the xsi:type attribute to specify
    the derived type?  Need to investigate.
  * I've reworked the xsi:type attribute stuff.  It now operates on
    the following assumptions: (1) an instance of any complexType
    that has been extended can have an xsi:type attribute (which
    specifies one of the extending types) and (2) the generated code
    should export the xsi:type attribute only and always when (if
    and only if) the element in the input instance document has that
    attribute.
  * A patch to convert floats and ints etc to str during export.
    Thanks Jaime Cepas.
  * Fixes to ctor/initializers when there is a default value for a
    an child element defined as a complexType containing
    simpleContent.
  * librarytemplate -- (1) Renamed documentation files to
    librarytemplate_howto.html and librarytemplate_howto.txt for
    consistency with the name of the librarytemplate distribution
    file (currently librarytemplate-1.0a.zip).  (2) Added the
    documentation and distribution files for librarytemplate to the
    main generateDS distribution file.
  * Added xs:byte to the list of integer types.

Version 2.5a (06/06/2011)
  * Fix for generation of default value in parameters for the
    constructors.
  * Fix for lookup of attribute value in generated buildAttributes
    methods -- Formerly, attribute names having a namespace prefix
    were not being found.
  * Added some support for xs:group -- Named model groups (model
    group definitions) are now treated as definitions of blocks of
    elements to be copied/inserted where referred to.  This
    replacement has been added to the preprocessing done in
    process_includes.py.  So, this <xs:group ref="some_def"/> is
    replaced by the contents of <xs:group name="some_def"> ...
  * Fix to generation of calls to validator methods for child
    elements.  Before the fix, the validators were called in
    buildAttributes methods but not in buildChildren.  Also,
    generation of the validator method (stubs) was also missing in
    some cases.  Thanks to Béres Botond for alerting me to this.
  * Fixes to generateds_gui.py -- Now it can load a session again.
    Also a fix to the check for and warnings about the changes to
    current session on exit.
  * process_includes.py -- Fix for yet another problem with
    including the same file multiple times when included from
    different directories.

Version 2.4c (03/21/2011)
  * Added minimal support for unsignedLong, unsignedInt, and
    unsignedByte.
  * Made the retrieval of the parent (superclass) name and parent
    object for an element more consistent.  Fixed some cases where
    this was not handled correctly, in particular, the generation of
    arguments and paramenters for ctors (__init__) was inconsistent
    and caused errors.
  * Regularized the handling of fromsubclass_ and added this
    handling to the exportChildren methods.  This is used to tell a
    superclass, during build and export, that the subclass has
    already performed certain operations.
  * Fix to process_includes.py so as to prevent it from loading
    schemas multiple times.  The check for already_processed was
    formerly incorrect.
  * Fix related to restrictions on complexType -- Do not generate
    call buildChildren in the superclass for restrictions (as
    opposed to extensions) of a complexType.  Ditto for
    exportChildren.  Note that restrictions must repeat (and
    restrict the value of) each sub-element that is to be included
    in the content of the restriction.  See:
    http://www.w3.org/TR/2004/REC-xmlschema-0-20041028/#DerivByRestrict

Version 2.4b (02/21/2011)
  * Fix to generation the superclass in the class statement header
    line.  Formerly we did not correctly pick-up the superclass
    name (from extension base="").  Thanks to Timo Sugliani for
    finding this bug.

Version 2.4a (02/16/2011)
  * A few fixes to format of some error messages.
  * Clean-up names in the exportableClassList (__all__).
  * Modify reading session object/doc to use lxml instead of
    minidom.
  * Fix to process_includes.py to protect against crash when an
    import element is missing a schemaLocation attribute.
  * Fix to parsing and exporting simpleTypes declared as lists
    (<xs:list>).
  * Added new methods to class GeneratedsSuper to validate (during
    build) and format (during export) for simpleTypes declared as lists
    (<xs:list>).
  * Fix for incorrect detection of type during generation of build
    method.
  * Added first cut at generating Django models and forms.
    Thanks to Derek Corbett for this suggestion.
  * Added "meta-app" that generates Django database models and
    Django forms.  See doc and files in subdirectory django/.
  * Fix to generation of __all__ list: converted non-word
    characters to "_" etc
  * Fix to process_includes.py so that it uses the entire path to a
    file when trying to determine whether it duplicates a previous
    import.  Perhaps this will avoid skipping an import when
    attempting to import two files with the same name from
    different directories.  Thanks to Mihai Ibanescu for pointing
    out this fix.

Version 2.3b (12/28/2010)
  * Fix for simpleTypes defined as a restriction whose (ultimate)
    base type is a pre-defined simple type which were not generating
    correct (type-specific) code in build method.  Thanks to
    Noel Merket for finding this problem.
  * Fix for simpleTypes defined as a xs:list with "itemType"
    attribute where the type was not being recognized.
  * Fix so that we recognize some other simple types as xs:string
    type (e.g. xs:NMTOKEN, xs:ID, xs:Name).
  * To do:
    - If a simpleType is a restriction on another simpleType and
      the base simpleType definition is declared as a list, we are
      not recognizing that it is a list.

Version 2.3a (12/02/2010)
  * Added generatation of code to handle attributes inherited by a
    restriction from its base type and the types that the base
    extends (i.e.  from a restriction base class and its
    superclasses).  Thanks for help from Jaime Cepas.
  * Fix to code that generate the references to the superclass from
    a type that is an extension: special characters (e.g. dash)
    were not being cleaned/mapped.  Reported by Koen Smets; thanks.
  * To do:
    - In a restriction, inherited attributes can be "prohibited". 
      It would be nice if gDS would do something to block their
      use.
    - When:
          AbstractElement mixed=false and
          Element1 mixed=true base=AbstractElement and
          Element2 mixed=FALSE base=AbstractElement 
      Incorrect parse code is generated for Element2.
      Reported by Jaime Cepas.
    - It might be desirable if the getter functions could be asked
      to return values encoded to utf-8 for xs:string types.
    - Code that is generated to export to python code needs
      updating, in particular we need to update encoding of
      exported strings.  Thanks to Kristoffer Kobosko for
      reporting this.
    - Update to the code that generates code that exports Python
      literals (exportLiteral ...).  In particular: (1) fix
      excoding of Python code and of string literals (unicode, utf-8).

Version 2.2b (11/10/2010)
  * Added generation of __all__ global variable containing a list
    of generated class names.  This enables you to do a reasonably
    safe "from mymodule import *.  It's sorted, so it also gives
    you something in the way of an alphabetical table of contents
    of the generated classes.  Thanks to Jaime Cepas for this.
  * Added another fix so that the generated code for mixed content
    elements will not generate empty blank lines on export.  Thanks
    again to Jaime for this fix.
  * Added patch to sort mixed content in their class containers.
    Jaime contributed this one too.  Thanks again.
  * Added check for endless recursion while collection list of
    parent type element names.  When detected, raises exception
    that identifies the elements.  Thanks to Maximilian Holtzberg
    for finding this one.  One case that can cause this problem is
    when an element type definition extends a type definition of
    the same name in a different namespace.  Since generateDS.py
    ignores the namespace, this looks like a type that is extending
    itself.
  * Modified code generated to process token lists in order to
    prevent breakage processing some strings.
  * Updated the tutorial so that the examples use the new parsers
    (ElementTree or lxml).
  * The "Clear" buttons in generateds_gui.py is broken when run with
    GTK2.  generateds_gui.py is still usable, but, if you need to
    erase the contents of a text field, you will have to do so
    manually until I can figure out a fix.

Version 2.2a (9/14/2010)
  * Changes for coding consistency -- Used wrt() pervasively
    instead of outfile.write().
  * Re-write of process_includes.py -- It now handles
    xs:include/xs:import elements that include a file from another
    directory that incude a file relative to that directory that
    include a file across HTTP, and so on.
  * The command line option --search-path is no longer supported.  I
    don't think that behavior was standard for XML schema anyway.
    Removed support for search_path from generateDS.py,
    process_includes.py, and generateds_gui.py.
  * Added support for specifying additional name mappings in a config
    file: generateds_config.py.  That file, if it exists, must be
    located where it can be imported by generateDS.py and should
    contain a dictionary named NameTable.  For example, the following
    maps the name "range" to "rangeType" so that if the schema defines
    a complexType "range", generateDS.py will generate a class named
    "rangeType":
        NameTable = {
            'range': 'rangeType',
            }
    See the doc for more on this.
  * Instead of using the lower() function from the string module,
    added a function to the GeneratedsSuper class and used the string
    method.  Prepares for Python 3.0
  * Added "gds_" prefix to all methods in class GeneratedsSuper to
    make possible name clashes less likely.
  * Fixes to exporting elements with mixed="true" -- Reduced extra
    whitespace.
  * Fixes to building (capturing) attribute values for elements with
    anyAttribute="..." -- Eliminated capture of duplicate attribute
    values.
        
Version 2.1d (8/23/2010)
  * Fix to indentation of generated code in the build method for
    type checking of NonNegativeIntegerType.
  * Fix to generation parameters in call to superclass constructor. 
    Count of children was incorrect, triggering generation of
    valueOf_.
  * Known issue -- If type B extends type A, and type A declares
    anyAttribute, then duplicate attributes with the same name may
    be produced during export.
  * Known issue -- Some namespaces ("{URI}") are not converted to
    namespace prefix during export.  The needed information is not
    available during export.

Version 2.1c (8/8/2010)
  * Fix to functions parse, parseString, and parseLiteral so that
    they start the build with the correct root class.  I believe
    that there yet is another case that this does not handle,
    specifically when element name is different from class/type
    name and the element definition is not the first definition in
    the schema.
  * Fix to generation of build method for derived elements (i.e.
    elements with "extension base=".  These were being treated as
    if they were abstract, i.e. 'abstract="true"'.
  * Fix to generation of the call to the superclass constructor in
    the generated subclass module.  Prevented the generation of
    duplicate arguments.
  * Added a comment to the generated superclass module at the top
    that specifies the utf-8 source code encoding:
        # -*- coding: utf-8 -*- 

Version 2.1b (8/2/2010)
  * Fix to generation of export functions.  If no children, must
    generate "pass" statement.
  * Changed generated get_all_text function so that it uses an "if"
    statement instead of a conditional (if) expression.  The
    conditional expression does not work with older versions of
    Python.

Version 2.1a (7/8/2010)
  * Added ability to capture annotation/documentation element text
    as doc-strings in the generated classes.  Thanks to
    Roy Williams for suggesting this and for guidance.

Version 2.0b (6/24/2010)
  * Fix to generation of export method so that valueOf_ is exported
    when childCount == 0 and not isMixed.

Version 2.0a (6/21/2010)
  * Switched to use of lxml/ElementTree in generated files. 
    Thanks to Biswanath Patel and Jaime Huerta Cepas for
    encouraging me to implement the switch to lxml/ElementTree.
  * Modified the generation of functions parse(), parseString(),
    and parseLiteral() so that they automatically recognize the
    root element of an instance XML document and call the build
    method of the appropriate class.
  * Fix to hasContent_ method so that so that in elements defined
    with extension-base, the superclass is checked also.
  * For classes that must call an overridden method m in the
    superclass, switched to use "super(superclassname, self).m(...)"
    instead of "m.(self, ...)".
  * Known issues -- (1) generateDS.py loops and crashes with
    "RuntimeError: maximum recursion depth exceeded" on some
    schemas (for example collada_schema_1_4.xsd).  (2) Failure in
    process_includes.py with import of remote file and nested
    imports (for example collada_schema_1_5.xsd).

Version 1.20g (5/21/2010)
  * Update to documentation -- Added a section on suggested ways to
    handle/recognize different top level (root) elements.

Version 1.20f (5/3/2010)
  * Fix to generation of export so that anyAttribute does not cause
    duplicate attributes to be exported.
  * Fix so that we do a better job of determining whether a
    reference to a type is a simple, builtin type in generation of
    constructor.
  * Fix to generation of constructors so that (1) valueOf_ is
    intialized in subclass modules and (2) valueOf_ is initialized
    to None (rather than '').
  To do: Extend the --root-element flag so that we can specify both
    the tag name and the element/type name.  Sometimes they are
    different.

Version 1.20e (2/8/2010)
  * Fixed error that caused incorrect tag name to be exported
    when the tag name contains special characters and the tag name is
    different from the type name.
  * Fixed links so that latest versions are included in the install
    distribution file.

Version 1.20d (2/3/2010)
  * Updated version number/info in genereateds_gui.py.
  * Fix to process_includes.py -- Handle include elements and
    import elements in the same way.  In particular, allow both to
    reference schema files on either the local file system or
    remotely across the Net (via ftp or http).
  * Fix to generation of properties -- When the name of a member is
    mapped (e.g. a Python language keyword), wrong name for getter
    and setter was used.
  * Fix to generation of export methods: missing encoding.
  * Fix to selection of type for exportLiteral.
  * Added missing files in the tests/ directory to the distribution.

Version 1.20c (1/1/2010)
  * Replaced symbolic links in the distribution with hard links. 
    Symbolic links do not work on MS Windows.
  * Fix to the use of the subprocess module in generateds_gui.py,
    which had caused a problem on MS Windows.
  * Cosmetic fix in generateds_gui.py: labeled "Save" (session) button.
  * Fix so that File/Open action in generateds_gui.py will check
    for and warn user if the session data has been modified.
  * Fix to generation of code for simpleContent with restriction:
    now treats the restriction element as a superclass.  Thanks
    to Franis Sirkovic for catching this and for providing the
    patch.  Also added a unit test for this case.

Version 1.20b (12/14/2009)
  * Fix to process_includes.py so that it handles relative paths
    in include/import elements in the schema.
  * Various fixes and additions to the GUI front-end, e.g. added
    "Clear" buttons to erase some fields.
  * Fixed bug -- self.inRestrictionType was not initialized.
  * Added --session command line option to generateDS.py -- It
    can now use session files generated by the GUI front-end.
  * Fixes to the generation of the exportLiteral methods.  We can
    now export Python literal representation of an instance doc
    that can be read/imported by Python.
  * Added unit test for generation of Python literal representation.
  * With the help of Erica Tolbert, generateDS.py can now generate
    bindings for gcdml (Genomic Contextual Data Markup Language. 
    See http://gensc.org).  Thank you, Erica.
  * generateDS.py can now generate bindings for the following
    (rather large) schemas:
    - gcdml -- Genomic Contextual Data Markup Language --
      See http://gensc.org
    - Collada -- 3D Asset Exchange Schema 1.5 -- See
      http://www.khronos.org/collada/
    - Vcloud --Cloud computing -- See
      http://www.vmware.com/solutions/cloud-computing/vcloud.html
    - FpML -- Financial products Markup Language -- See
      http://www.fpml.org/

Version 1.20a (12/01/2009)
  * Added first version of the GUI front-end.  See the generateDS
    doc (generateDS.html).

Version 1.19a (10/21/2009)
  * Enhancement to the table of information generated in each class
    when the --member-specs=list|dict command line option is used. 
    For a complexType defined as a simpleType, we now generate a
    list of the simpleType and the simpleTypes it is based on using
    name "valueOf_".  Thanks to Ryan Leslie for much help and
    guidance with these changes.
    Example:
        'valueOf_': MemberSpec_('valueOf_', [u'RelationType', 
            u'RelationType2', u'xs:string'], 0),
    Note the following incompatible changes:
      - _MemberSpec changed to MemberSpec_ -- We want avoid posible
        name conflicts, not make it "weakly hidden".  See the Python
        style guide for more on this
      - _member_data_items changed to member_data_items_ -- Same
        reason.
      - Method MemberSpec_.get_data_type() now returns the last item
        if the types is a list and the single type if not a list.
      - Method MemberSpec_.get_data_type_chain() is a new method that
        returns the entire list of data types.
    The new tutorial (see tutorial/tutorial.html in the
    distribution) has an example of the use of the MemberSpec
    feature.
  * Fix to DecimalType -- In some cases treated as an integer. 
    Should be a float.  Thanks Ryan Leslie for catching this.
  * Removed last bits of the generation of a SAX parser.  It no
    longer worked and is not needed.
  * Several fixes to determination and handling of types.
  * Added unit test for extensions to simple types and for MemberSpec.
  * There is now a preliminary version of a tutorial.

Version 1.18f (9/14/2009)
  * Fixes to process_includes.py from Mihai Ibanescu.  These fixes
    address namespace and namespace prefix problems for XML tree
    that is copied into a document.  Thanks Mihai.
  * Added xs:anySimpleType to the list of OtherSimpleTypes.  This
    prevents anySimpleType from being used as a base type.
  * Change so that sub-classes are generated for types that do not
    have children or attributes.
  * Fixed crash that occurred when a simple type is nested in a simple
    type and use of memberTypes attribute.
  * Fix to GeneratedsSuper -- Inherit from "object".
  * Added command line option --no-versions,
    which, when used, tells generateDS.py not to insert the
    version in generated files.  This is useful when you want to
    be able to compare generated files and not detect version
    differences.
  * Patch to eliminate extra space after element tag.  Thank you
    Ryan Leslie.

Version 1.18e (9/1/2009)
  * Added patch from Mihai Ibanescu which handles and expands
    groups.  Also added Mihai's unit test for groups.  Thank you,
    Mihai.
  * Added patch, also from Mihai, that passes the node's text to
    the super-class constructor.  
  * Added patch that implements a --no-dates command line flag
    which, when used, tells generateDS.py not to insert the
    time-stamp in generated files.  This is useful when you want to
    be able to compare generated files and not detect date/time
    differences.  Thanks again to Mihai.

Version 1.18d (8/26/2009)
  * Automatic detection of the namespace prefix used in the schema
    document.  Thanks to Mihai Ibanescu for this enhancement.
  * Fix to deal conflicts with generateDS's internal function
    names, for example "build".  Thanks again to Mihai.
  * Upgrade to the unit test harness.  Replace popen (which is
    deprecated) with use of the subprocess module.  Thank you Mahai.
  * Fix in the class constructors (__init__) to cast XML primitive
    types (xs:integer, xs:float, etc) to Python built-in types
    (int, float, etc).  Thanks once more to Mahai.
  * Fix to add enumeration value resolution when the possible
    values are not declared in an explicit definition but in a "top
    level" type.  Also fix a bug with enumeration value population
    for elements where the unwound element stack contains more than
    one element.  Thanks to Chris Allan for this fix.

Version 1.18c (8/11/2009)
  * Small changes related to check for mixed content.
  * Enhancement to generation of hasContent_() method to check for items
    with maxOccurs > 1.
  * Fix for generation of test for valueOf_ in hasContent() method.
  * Fix for generation of initializers in ctor -- children were being
    skipped when the element is mixed.

Version 1.18b (7/29/2009)
  * Fix for exception with simpleType that is an extension of 
    another simpleType.
  * Change to mixed extension chain -- Will now generate class.
  * Fix to generation of constructors -- Will now initialize to
    default value for simpleTypes.
  * Fixed generations of validator methods, validator bodies, 
    and call to validator bodies for attributes.
  * Command line option "--validator-bodies" now triggers check for
    option value is an existing directory.
  * Various cleanup, deleting commented-out debug code, etc.
  * Now writing help messages, error messages to stderr instead of
    to stdout.

Version 1.18a (7/14/2009)
  * Added command line flag --member-specs to generate the member
    specifications as described in "User Methods" section of the doc.
    The member specs can be a list or a dictionary.
  * Fix to export indentation.  Thanks Tim Marchelli.
  * Added a utility script: generate_coverage.py which generates a
    dictionary of class names and classes from a (superclass) module
    generated by generateDS.py.

Version 1.17d (7/2/2009)
  * Fix for generation of recursively defined simpleTypes, e.g.
    a simpleType defined as a restriction of another simpleType.
    (see fix_simpletype comment in generateDS.py)
  * Added version number to generated class files.
  * Fixes to/for process_includes.py -- DirPath/DIRPATH now initialized
    correctly and fixed failure to initialize a local variable.

Version 1.17c (6/24/2009)
  * Fix for error generating code for exporting related to
    simpleType.
  * Fix for syntax error in export of boolean types.
  * Fix for export of elements with type of attribute defined
    in-line.
  * Fix to generation of export function when the --silence
    command line option is used.

Version 1.17b (6/10/2009)
  * Fix so that generateDS.py will still work with Python 2.4. 
    Thanks to Dave Sugar for that.

Version 1.17a (5/20/2009)
  * Modified export of children of type xs:string so that
    (1) if None, not exported and (2) if not None but an
    empty string, exported (example "<aa></aa>").
  * Generated calls to format_string(), format_integer(), etc
    in the generated export methods.  Enables the user to
    override these methods to customize format of exported
    values.  See the "Overridable methods" section in the
    doc (generateDS.html) for more info and for an
    explanation of how to override these methods.
    Currently used to give the user control over formatting
    of values during export.
  * Fixes to generated build and export methods so that
    elements defined as xs:simpleType as handled as
    the specificsimpleType xs:restriction base, for example
    xs:string, xs:integer, etc.

Version 1.16e (4/28/2009)
  * Eliminated generation of SAX parser.  I'm sure it no longer
    worked, anyway.
  * Fix to export of CDATA characters, provided by Kerim Mansour.
    Thanks.
  * Added support for command line option --external-encoding.
    Exported character data is now encoded to sys.getdefaultencoding()
    or to the encoding specified by command line option
    --external-encoding.
  * Added attributes (in addition to children) to the list of
    data type specifications in _MemberSpec/_member_data_items.
    This fix was provided by Ryan.
  * Several fixes suggested by Kerim Mansour including one related
    to export of CDATA.  Thank you Kerim.
  * Removed generation of SAX parser.  It did not work
    any more anyway.

Version 1.16d (3/25/2009)
  * Fixes to generation of the exportLiteral functions.  We
    can now do exportLiteral, then import the resulting file 
    in Python.  See generated parseLiteral() for an example.
  * Added an additional parameter to the export() methods.
    Now, you can call export() as follows:
        rootObj.export(outfile, 0,
            namespacedef_='xmlns:abc="http://www.abc.com/namespacelo";')
    which will insert the namespace prefix definition in the
    exported root element.
  * Added new command line option --namespacedef= to specify
    the namespacedef_ to be passed in by the generated
    parse() and parseString() functions.  Example use:
        generateDS.py --namespacedef='xmlns:abc="http://www.abc.com/";'
            -o out.py myschema.xsd

Version 1.16c (3/13/2009)
  * One more fix for abstract types -- When the implementation
    element/class for an abstract class exports itself, it adds
    the xsi:type="class_name" attribute.
  * A minor fix to handling namespace prefix and the -a command
    line option.
  * Additional fixes so that in constructors (__init__), all
    instance variables are initialized to None.
  * Some fixes to quoting and escaping quotes when exporting
    attribute values.  Thanks to Kerim Mansour for help with this.

Version 1.16b (3/9/2009)
  * Added support for restriction/list, i.e. a list of words
    separated by whitespace.

Version 1.16a (2/16/2009)
  * Generated export methods now check for empty content and 
    write out <xx ... /> rather than <xx ...></xx> if empty.
  * All generated constructors (__init__()) now initialize
    instance variables to None.
  * Generated export methods now check for None before attempting
    to write out attributes and children.
  * More consistent use of direct access to instance variables
    rather than calling getter methods with a class, that is
    use of self.xxx rather than self.get_xxx().

Version 1.15d (1/22/2009)
  * Fix to setup.py so that it also installs process_includes.py.
  * Enhancements to process_includes.py so that it can also
    retrieve included files via ftp and http.
  * Fixes for default values for attributes.
  * The above changes are all from Arne Grimstrup.  Thank you Arne.

Version 1.15c (11/26/2008)
  * Added switch (--silence) to cause generateDS.py to generate
    parsing functions that do not write output to stdout.  This fix
    contributed by Al Niessner.

Version 1.15b (11/24/2008)
  * Added Amnon Janiv's fixes for attribute groups and for logging.

Version 1.15a (11/20/2008)
  * Added support for abstract elements/types.  See:
    http://www.w3.org/TR/xmlschema-0/#abstract
    Thanks to Luigi Paioro for help with this.

Version 1.14g (10/17/2008)
  * Fix in generation of exportChildren (omitted "_" in "namespace".

Version 1.14f (10/06/2008)
  * Minor fix related to simple types in generateBuildStandard_1().

Version 1.14e (09/25/2008)
  * Minor fix for generation of syntax error (missing parenthesis).
  * Eliminated generation of specification of superclass
    (superclass =) for undefined types.
  * Fixed error setting value in SimpleElementDict.
  * Fixed error when getting type for building attributes.
  * Fixed and regularized exception reporting when building float
    and integer values.
  * Fixed error referring to simple types in build function.

Version 1.14d (08/28/2008)
  * Several fixes related to simple types.

Version 1.14c (08/16/2008)
  * One more namespace patch from Andre Adrian.
  * A fix to generated export methods for valueOf from Oscar (Oeg
    Bizz).
  * First attempt to fix the name_type problem, specifically an
    incorrect generation of the element name where it should
    generate the type name and vice versa.

Version 1.14b (06/17/2008):
  * More namespace patches from Andre Adrian.
  * Changed "lower()" to "str_lower()" in generated code so that
    we have a less common name in generated code.

Version 1.14a (06/03/2008):
  * In generateBuildFn, the generated code formerly would skip the
    children of a base class in an extension class if the
    extension class has children of its own.  This patch fixes
    that problem.  (The buildChildren call for the base class is
    inside a "if hasChildren == 0" block.)
  * The export functions formerly would output the attributes and
    children of the derived classes before those of the base
    class, where the XSL spec specifies that the base class
    elements are earlier than derived elements in a sequence.  This
    patch corrects the generation order.
  * This patch adds proper xs:boolean reading and writing to
    generateDS. "true" and "false" values in the XML will become
    True and False in Python, and will be written back out as
    "true" and "false", respectively.

Version 1.13a (05/26/2008):
  * Added support for generating namespace prefix during export
    if the XML Schema specifies the targetNamespace.  Thanks to
    Andre Adrian for implementing this feature. 

Version 1.12b (05/20/2008):
  * Patches to escape special XML characters (entities) in valueOf
    and attributes.  Thanks to Darius Powell for this fix.

Version 1.12a (05/06/2008):
  * Fix to name used to generate validation method.
  * Embedded process_includes.py functionality into generateDS.py.

Version 1.11d (04/28/2008)
  * Added support for specifying default values in attributes
    and elements that are primitive types.

Version 1.11c (03/31/2008)
  * A fix in enumeration building code.

Version 1.11b (11/19/2007)
  * Fixed bug that caused an infinite loop when a class has a
    simple type as a base/super class.
  * Added additional simple types to the list of recognized simple
    types.  For a list of simple types, see:
    http://www.w3.org/TR/xmlschema-0/#SimpleTypeFacets
  * Added additional Python keywords to list of transformed names.
    See global variable NameTable.

Version 1.11a (10/11/2007)
  * Various added features contributed by Chris Allan.  For more
    information see:
    http://www.rexx.com/~dkuhlman/generateDS.html#additional-features

Version 1.10a (08/21/2007, again)
  * Added xs:int basic type.  Handle same as xs:integer.
  * Generate tests so that for elements declared with
    minOccurs="0" and maxOccurs="1" and empty value, then
    export does not generate output.

Version 1.10a (05/11/2007)
  * Added support for user methods.  See section "User Methods" in
    the documentation.

Version 1.9a (03/21/2007, again)
  * Added process_includes.py which can be used as a pre-processor
    to process include elements and create an XML Schema document
    containing all included content.
  * Modified generateDS.py so that it will read its input from a
    pipe when given the command line argument "-" (dash).

Version 1.9a (02/13/2007, again)
  * Changed naming of getter and setter methods.  Default is to
    use get_var() and set_var() instead of getVar() and setVar().
    The old behavior is available using the flag
    --use-old-getter-setter.

Version 1.9a (01/30/2007, again)
  * Fix so that validator methods for simpleType are also
    generated when the <xs:simpleType> occurs within an
    <xs:element>.

Version 1.9a (12/04/2006, again)
  * Fixed errors (occuring on import of superclass module) when 
    an element is defined as an extension of an element that is
    defined as a simpleType restriction on an xs:string.

Version 1.9a (11/27/2006, again)
  * Fix for elements that have attributes and no nested children.
    Eliminated writing out new line chars in export methods.

Version 1.9a (10/22/2006, again)
  * Fix to capture text content of nodes defined with attributes
    but with no nested elements into member varialbe valueOf_.

Version 1.9a (10/10/2006)
  * Added minimal support for simpleType.
  * Generate stubs for and calls to validator methods for
    simpleType.
  * Retrieve bodies for validator methods for simpleTypes from
    files in a directory specified with the --validator-bodies
    command line flag.

Version 1.8d (10/4/2006, again)
  * Fixed several errors related to anyAttribute.  It was
    generating bad code if an element was defined with
    anyAttribute but had no other attributes.  And, in the same
    situation, it was not generating export code properly.

Version 1.8d (7/26/2006, again)
  * Allowed dot/period as special character in element tags/names.
  * Fixed several errors in generation of export and exportLiteral
    functions.  Special names (e.g. 'type', 'class') were not
    being mapped to special spellings (e.g. 'ttype', 'klass', ).
  * Fixed error in determining ExplicitDefine, which was
    preventing export of some objects.

Version 1.8d (7/19/2006, again)
  * Added support for empty elements, i.e. elements that have no
    children and no attributes.  Formerly, they were ignored due
    to a quirk in logic.

Version 1.8d (4/13/2006) 
  * Added support for the following simple types: duration, anyURI
    and unsignedShort.  They are coerced to (and treated the same
    as) xs:string, xs:string, and xs:integer, respectively

Version 1.8c (12/22/2005, again)
  * Fixed use of mapped names in generateExportLiteralFn().

Version 1.8c (12/20/2005, again)
  * Fix to generation of getters and setters for attributes.
    Formerly generating accessors that handled *lists* of attribute
    values.

Version 1.8c (12/15/2005, again)
  * Fix generated code so that it uses documentElement instead of
    childNodes[0] to get the root element.

Version 1.8c (5/10/2005, again)
  * Patch for <xs:attribute ref="xxxx"/> -- Use the value of ref
    as the name of the attribute.  I'm not sure whether this is
    correct in all situations.
  * Fix for generation of ctor for mixed type elements.  Before
    this fix, generateDS.py was failing to generate the
    initializers in the __init__ method signature.
  * Fix for generation of "class" declaration for extension
    classes whose base class name is qualified with a namespace
    (e.g., <xs:extension base="iodef:TextAbstractType">).  Removed
    the namespace.  This fix also corrected the order of
    generation of classes so that the base class is now correctly
    generated *before* the subclass.

Version 1.8c (4/26/2005)
  * Added support for several simple types: xs:token, xs:short,
    xs:long, xs:positiveInteger, xs:negativeInteger,
    xs:long, xs:nonPositiveInteger, xs:nonNegativeInteger,
    xs:date.
  * Fixed error produced when an element definition inherits from
    a simple type.

Version 1.8b (2/25/2005)
  * Added support for anyAttribute.

Version 1.8a (2/23/05, again)
  * Fixed incorrect generation of name and type for export
    functions for root element.
  * Fixed reference to root element type when root element name
    and type are different.

Version 1.8a (1/13/05, again)
  * Fixed incorrect handling of extension of in-line element
    definition.
  * Code cleanup in support of the above.

Version 1.8a (12/22/04)
  * Added support for attributeGroup.  Enables an XML Schema to
    define attribute groups and then include them in
    element/complexType definition.
  * Added support for substitutionGroup.  Enables use any of a set
    of element types as alternatives to another element type.
    Limitation: Does not work with simple element types.

Version 1.7b (11/15/04)
  * From an XML Schema, it is not possible to determine the
    outer-most element in instance documents.  generateDS.py now
    generates a parser (parseSelect) that first uses a small SAX
    parser to determine the outer-most element in the input
    document, then invokes the normal parser with that element as
    the root.

Version 1.7a (10/28/04)
  Thanks very much to Lloyd Kvam for help with these fixes and
  improvements.  His ideas, suggestions, and work have been
  extremely valuable.
  * Implementd partial support for <xsd:extension base="">.
    Limitation: extension elements cannot override members
    defined in a base.
  * Refactored generated methods export and build, so that they
    can be called by subclasses.
  * The generated method exportLiteral has been left behind during
    recent work.  Brought it up-to-date.
  * For Python, a super-class must be defined before the
    sub-classes that reference it.  Implemented a delaying
    mechanism that enforces this ordering of generation of classes.
  * Fixed a bug that occurred when an element is defined with
    maxOccurs given a value other than "1" or "unbounded".

Version 1.6d (10/1/04)
  * Several bug fixes.
  * Added command-line flag --subclass-suffix="X".  Changes the
    suffix appended to the class name in subclass files.  Default
    if omitted is "Sub".
  * Added an underscore to certain local variables to avoid name
    conflicts.
  * Thanks to Lloyd Kvam for help with this release.  Lloyd found
    and fixed a number of these problems.
  * Added command-line flag "--subclass-suffix", which specifies
    the suffix to be added to class names in subclass files.
    Default is "Sub".
  * Added command-line flag "--root-element", which makes a
    specified element name the assumed root of instance documents
  * In some schemas, attributes on a nested <complexType> pertain
    to the containing <element>.  Added code to copy the
    attributes from the <complexType> to the <element>, if it is
    nested.

Version 1.6c (9/15/04)
  * generateDS.py was not walking lower levels of the tree data
    structure collected by the SAX parser that describes the
    classes to be generated.  Now, function generate() calls
    function generateFromTree() to recursively walk lower levels
    of this tree structure.
  * Fixed various errors that were introduced or uncovered by the
    above change.
  * Strengthen handling of mixed content.  When an element
    definition (<element> or <complexType>) contains the attribute
    "mixed=" with a true value, then we generate the code for text
    content, e.g. getValue(), setValue(), capture value in
    build(), etc.

Version 1.6b (9/10/04, yet again)
  * Still fixing bug related to generating all the sub-class
    stubs.  All sub-classes were not being generated when no
    superclasses were generated (-o flag omitted), because there
    are data structures that are created when superclasses are
    generated and which are needed during sub-class generation.
    Now we *always* write out super-classes, but write them to a
    temp file if they are not requested.

Version 1.6b (8/26/04, again)
  * Fixed bug -- complexTypes defined in-line were omitted from the
    sub-class file.  Now these sub-classes are being generated.

Version 1.6b (8/18/04)
  * Added ability to access the text content of elements that are
    defined but have *no* nested elements.  The member variable is
    "valueOf_" (note underscore which will hopefully avoid name
    conflicts) and the getter and setter methods are "getValueOf_"
    and "setValueOf_".
  * Fixes to generation of exportLiteral methods.  Formerly,
    export of attributes was omitted.
  * Removed un-used function that contained "yield" statement,
    which caused problems with older versions of Python.



To generate a diff of this commit:
cvs -z3 rdiff -u -r1.20 -r1.21 wip/py-generateDS/Makefile
cvs -z3 rdiff -u -r1.4 -r1.5 wip/py-generateDS/PLIST
cvs -z3 rdiff -u -r1.5 -r1.6 wip/py-generateDS/distinfo

To view a diff of this commit:
http://pkgsrc-wip.cvs.sourceforge.net/pkgsrc-wip/wip/py-generateDS/Makefile?r1=1.20&r2=1.21
http://pkgsrc-wip.cvs.sourceforge.net/pkgsrc-wip/wip/py-generateDS/PLIST?r1=1.4&r2=1.5
http://pkgsrc-wip.cvs.sourceforge.net/pkgsrc-wip/wip/py-generateDS/distinfo?r1=1.5&r2=1.6

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