Re: [Pydev-code] Analyse python class

[Marek J. <mar...@gm...>]

Thanks Fabio,
It works excellent!
I will let you know when I will be releasing a new version with python
support. Thank you for your great work you are doing with PyDev.

Marek

2015-11-08 10:19 GMT+01:00 Fabio Zadrozny <fa...@gm...>:

> Hi Marek,
>
> Yes, there's code to do that... The idea is that you get the AST for a
> module and then work in the AST (usually through a visitor) to get the
> information you want (the AdditionalInfoAndIInfo isn't the actual API you
> want for that... what it gives is a global view of module names and tokens,
> but it has only the names and path... when you want to do some analysis you
> need the full AST).
>
> It goes something like:
>
>
>         PythonNature nature = PythonNature.getPythonNature(project);
>         IResource resource = null;
>         if(nature != null){
>             IModulesManager modulesManager =
> nature.getAstManager().getModulesManager();
>             String moduleName = nature.resolveModule(resource);
>             if(moduleName != null){
>                 IModule module = modulesManager.getModule(moduleName,
> nature, true);
>                 if(module != null){
>                     if(module instanceof SourceModule){
>                         SourceModule sourceModule = (SourceModule) module;
>                         SimpleNode ast = sourceModule.getAst();
>                         EasyASTIteratorVisitor visitor =
> EasyASTIteratorVisitor.create(ast);
>                         Iterator<ASTEntry> it =
> visitor.getClassesAndMethodsIterator();
>                         while(it.hasNext()){
>                             ASTEntry entry = it.next();
>                             if(entry.node instanceof ClassDef){
>                                 ClassDef classDef = (ClassDef) entry.node;
>                                 // Check classDef.decs for decorators
>
>                             }else if(entry.node instanceof FunctionDef){
>                                 FunctionDef functionDef = (FunctionDef)
> entry.node;
>                                 // Check functionDef.body for assignments
> to InputPort/OutputPort
>                                 // if functionDef.name == __init_ports__
>                             }
>                         }
>                     }
>                 }
>             }
>         }
>
>
>
> On Sat, Nov 7, 2015 at 11:02 PM, Marek Jagielski <
> mar...@gm...> wrote:
>
>> Hi,
>> I develop an eclipse environment for workflow engine:
>> http://systemincloud.com/. I am integrating python into it, now.
>> I force a dependency of PyDev for my plugin to reuse as much as possible
>> what gives already PyDev.
>>
>> I would like to know if in PyDev there is a code that I can reuse to
>> analyse a python class.
>> I already able to find module:
>>
>> IProject p =
>> ResourcesPlugin.getWorkspace().getRoot().getProject(EclipseUtil.getProjectNameFromDiagram(getDiagram()));
>> AdditionalInfoAndIInfo pinfo = FindPythonTask.INSTANCE.find(p, className);
>>
>> FindPythonTask is based on based on GlobalsTwoPanelElementSelector2.
>> Python Module looks like this:
>>
>> from sicpythontask.PythonTaskInfo import PythonTaskInfo
>> from sicpythontask.PythonTask import PythonTask
>> from sicpythontask.InputPort import InputPort
>> from sicpythontask.OutputPort import OutputPort
>> from sicpythontask.data.Bool import Bool
>>
>> @PythonTaskInfo
>> class MyPythonTask(PythonTask):
>>
>>     def __init_ports__(self):
>>         self.ttt = InputPort(name="ttt", data_type=Bool)
>>         self.yyy = OutputPort(name="yyy", data_type=Bool)
>>
>>     def execute(self, grp):
>>         """ this will run when all synchronous ports
>>             from group receive data """
>>
>> I would like now:
>>  1. check if there is decorator @PythonTaskInfo and read eventual
>> attributes.
>>  2. from method __init_ports__ list all InputPort and OutputPort with
>> their attributes
>>
>> Is it possible with PyDev api  to do what I need? Do you do such an
>> analyse in PyDev? Where can I find any example of code analyse?
>>
>> To note. For Java analyseI use org.eclipse.jdt.internal.core.NamedMember.
>>
>> Thanks for any help and hint,
>>
>> Marek Jagielski
>>
>>
>>
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>>
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>>
>
>
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-- 
Marek Jagielski
+48 513 402 596