Need help in writing up a Python Syntax checker

[Kinokunya]

Hi guys,

My group and I will be working on our final year project, the scope to
do a program/web-based application similar areas of functionalities
like the PyLint and PyChecker; a Python syntax checker. We have no
Python background, equipped only with some knowledge of Java and Dot
net.

We did some research on PyLint and found out that there are 2 common
modules that PyLint & PyChecker are using, namely logilab-astng and
logilab-common. I'm not really sure what these 2 modules are for.



Quoted from the offical site,

The aim of this module (logilab-astng) is to provide a common base
representation of python source code




We're not really sure what they meant by common base representation of
source codes. Does that mean logilab-astng is somewhat like a
repository/library of Python syntax API so that we can easily 'call'
these module to aid in syntax checking? My group and I were
considering of using Java as a basis for this project, but if these 2
modules were really the repositories for Python syntax codes then we
are restricted to using Python to make full use of the above mentioned
dependencies.

Our current stand was to use Jython as it is able to support Java as
well as the .PY files inside logilab-astng and logilab-common, but
having no knowledge in Python, we're unable to make out whatever was
in the 2 above modules, was was unable to find user support forums/
communities for Logilab related stuff.

You insights are greatly appreciated.


Windows platform (XP & vista)
Python (If need be, we will install the latest official version of it)
Jython 2.2.1 (Latest version)
Server: Apache Tomcat 2.2 (Should we require one for the project)
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Re: Need help in writing up a Python Syntax checker

[Kinokunya]

On Jul 14, 6:48 pm, Kay Schluehr <[EMAIL PROTECTED]> wrote:
> On 14 Jul., 08:22, Kinokunya <[EMAIL PROTECTED]> wrote:
>
> > Hi guys,
>
> > My group and I will be working on our final year project, the scope to
> > do a program/web-based application similar areas of functionalities
> > like the PyLint and PyChecker; a Python syntax checker. We have no
> > Python background, equipped only with some knowledge of Java and Dot
> > net.
>
> Python doesn't need a syntax checker. Syntax is checked by the parser
> and the parser is exposed to the user by means of the parser module.
> What you probably mean are *semantical* checks which are typical for
> compilers: e.g. whether names are used with prior assignments of
> values that cause runtime exceptions. These issues are in fact covered
> by PyLint and PyChecker.
>
> > We did some research on PyLint and found out that there are 2 common
> > modules that PyLint & PyChecker are using, namely logilab-astng and
> > logilab-common. I'm not really sure what these 2 modules are for.
>
> > Quoted from the offical site,
>
> > The aim of this module (logilab-astng) is to provide a common base
> > representation of python source code
>
> > We're not really sure what they meant by common base representation of
> > source codes.
>
> Just switch to \Scripts\  in your Vista installation
>
> and type `easy_install pylint`. This shall install PyLint in the
> directory
>
>\lib\site-packages
>
> Additionally a pylint.bat file is placed in the \Scripts
> \ directory.
>
> Type `pylint --help` and you get more information about the
> functionality of PyLint.





Thanks for replying Kay Schluehr,

The topic of our project was to do a program/software similar to
PyLint and PyChecker, and the project scope does not require us to
compile the codes. I guess by that it means 'semantic' checks in this
case. Does that means we can make use of the parser module as
mentioned above for semantic syntax checking?

Our situation now is that we are torn between the programming
languages to go, Java, Jython or Python, with no definite direction to
start off our development. Any pointers would be appreciated.

Thank you.
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