Hi Dave,
My week-end is excellent.
I agree with both proposals.For item 1, I really don't know. I'm a newbie
in django! For item 2, I don't see any better options for the while.(
Before contacting you, I started correcting duplicate class names by adding
some incremental postfix. ).
I wish you a good week-end.
Rémy
Le samedi 3 juin 2017, Dave Kuhlman <dkuhl...@davekuhlman.org> a écrit :
> Rémy,
>
> I've made some changes in an attempt to handle these issues. I'll
> send you a patch in a couple of days, after I've worked on it and
> thought on it a bit more. In the meantime, any guidance is welcome.
>
> Here are a few notes.
>
> Item 1
> -------
>
> > 1. models.py contains several lines like these ones:
> >
> > remoteSchema = models.CharField(max_length=1000, blank=True,
> null=True)
> > * = models.CharField(max_length=1000, )*
>
> Thanks for catching this. While working on this one, I found that
> there is a related problem in generateDS.py, itself. I've fixed
> that one and also made a change in the django support. Our problem
> is that this error was produced by a element member defined with
> xs:any, for example:
>
> <xs:complexType name="GenericMetaDataType" mixed="true">
> <xs:annotation>
> <xs:appinfo>deprecated</xs:appinfo>
> </xs:annotation>
> <xs:complexContent mixed="true">
> <xs:extension base="gml:AbstractMetaDataType">
> <xs:sequence>
> <xs:any processContents="lax" minOccurs="0"
> maxOccurs="unbounded"/>
> </xs:sequence>
> </xs:extension>
> </xs:complexContent>
> </xs:complexType>
>
> The occurance of xs:any in this complexType definition means that
> any content can appear in this element type, that is, any element
> type can be inside a GenericMetaDataType element, in this case.
> That nested element does not even have a name that we can use.
>
> So, I have no idea how to handle that for django. Perhaps you have
> a suggestion.
>
> What I've done, as a partial solution is to generate something like
> the following:
>
> class GenericMetaDataType_model(models.Model):
> __ANY__ = models.CharField(max_length=1000, blank=True,
> null=True)
>
> def __unicode__(self):
> return "id: %s" % (self.id, )
>
> That really does not handle the intent of xs:any. But, I don't know
> what would. A models.ForeignKey(), perhaps?
>
>
> Item 2 -- Duplicate names
> ---------------------------
>
> I looked at wmdr.xsd. I pulled in all the parts that it
> (recursively) includes (using xs:include and xs:import) I did this
> by using process_includes.py in the generateDS distribution to
> accumulate them all. There are indeed (complexType) element
> definitions whose names are duplicates when we ignore case.
>
> But, XML element names are case sensitive. And, in Python, the
> names of the classes that generateDS.py generates to represent them
> are case sensitive also.
>
> So, for the django work, we need to do something to "unique-ify"
> these names.
>
> I could implement a mechanism that would add something to the end of
> any duplicate name to make it unique. That would not take a lot of
> code. It could be something like this:
>
> previous_names = set()
>
> ...
>
> if name in previous_names:
> name = uniquify_name(name, previous_names)
> previous_names.add(name)
>
> ...
>
> def uniquify_name(name, previous_names):
> count = 0
> while True:
> count += 1
> new_name = '%s_%03d' % (name, count)
> if new_name not in previous_names:
> break
> return new_name
>
> With this method, we'd end up with names like: "original_name_001",
> "original_name_002", etc.
>
> Would that be a reasonable solution? One down-side is that it would
> make some model type names *not* equal to their names in the schema,
> although those names would be somewhat predictable. What do you
> think? Any other ideas?
>
> I'll start looking into that.
>
> Hope your weekend is (or has been) a good one.
>
> Dave
>
> On Thu, Jun 01, 2017 at 06:44:35PM +0200, Rémy Gibault wrote:
> > Sorry Dave,
> >
> > That's me again.
> >
> > As I said earlier, both models and forms have been generated
> > using gends_run_gen_django.py.
> > You'll find the models.py file as attachment.
> >
> > Now I'm trying to migrate the database.
> >
> > python manage.py makemigrations metadata
> >
> > So far I'm facing 2 different kinds of error:
> >
> > 1. models.py contains several lines like these ones:
> >
> > remoteSchema = models.CharField(max_length=1000, blank=True,
> null=True)
> > * = models.CharField(max_length=1000, )*
> >
> >
> > Migration fails with "IndentationError: unexpected indent"
> > Some variable is missing at the begining.
> > I am not proud of me but I have commented these lines...
> >
> > 2. Many classes are generated twice with approximatively same name (just
> > one character differs as upper case or lowercase) but different content:
> >
> >
> > RuntimeError: Conflicting 'equipmenttype_model' models in application
> > 'metadata': <class 'metadata.models.*E*quipmentType_model'> and <class
> > 'metadata.models.*e*quipmentType_model'>.
> >
> > RuntimeError: Conflicting 'facilitysettype_model' models in application
> > 'metadata': <class 'metadata.models.*F*acilitySetType_model'> and <class
> > 'metadata.models.*f*acilitySetType_model'>.
> >
> > I'm a little bit puzzled.
> > Is that due to errors in the original xsd?
> >
> > *Rémy *
> >
> > 2017-05-31 10:37 GMT+02:00 Rémy Gibault <gibau...@mfi.fr <javascript:;>
> >:
> >
> > > Thank you so much for being so reactive !
> > >
> > > Both models and forms have been generated.
> > >
> > > Now it is up to me to make good use of them...
> > >
> > >
> > >
> > >
> > >
> > > *Rémy *
> > >
> > >
> > > 2017-05-30 22:10 GMT+02:00 Dave Kuhlman <dkuhl...@davekuhlman.org
> <javascript:;>>:
>
>
> --
>
> Dave Kuhlman
> http://www.davekuhlman.org
>
--
*Rémy GIBAULT*
Responsable de Pôle Data Center
Head of Data Management Systems
------------------------------
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