"""
This module generates .rst file for each python file under sans.guiframe.
Please run this file to autogenerate .rst files and build sphinx doc.

"""




from __future__ import with_statement
import os.path

MODULE_TEMPLATE=""".. Autogenerated by genmods.py

******************************************************************************
%(name)s
******************************************************************************

:mod:`%(package)s.%(module)s`
==============================================================================

.. automodule:: %(package)s.%(module)s
   :members:
   :undoc-members:
   :inherited-members:
   :show-inheritance:
   :special-members:
   :private-members:

"""

INDEX_TEMPLATE=""".. Autogenerated by genmods.py

.. _api-index:

##############################################################################
   %(package_name)s
##############################################################################

.. only:: html

   :Release: |version|
   :Date: |today|

.. toctree::

   %(rsts)s
"""


def genfiles(package, package_name, modules, dir='api'):
    """
    Generates .rst file for each python module under sans.guiframe
    """

    if not os.path.exists(dir):
        os.makedirs(dir)

    for module,name in modules:
        with open(os.path.join(dir,module+'.rst'), 'w') as f:
            f.write(MODULE_TEMPLATE%locals())

    rsts = "\n   ".join(module+'.rst' for module,name in modules)
    with open(os.path.join(dir,'index.rst'),'w') as f:
        f.write(INDEX_TEMPLATE%locals())


def create_module_tuple(path):
    """
    Create tuples of module  and module name
    :param path: path of the a package directory
    """
    modules = []
    list = os.listdir(path)
    for item in list:
        toks = os.path.splitext(os.path.basename(item))
        if toks[1] == '.py' and toks[0] not in ["__init__"]:
            exec "module = ('%s', '%s')"%(toks[0], toks[0])
            modules.append(module)
    return modules

if __name__ == "__main__":
   
    path = os.path.join('..', '..', 'src', 'sans', 'guiframe')
    modules = create_module_tuple(path)
    package = 'sans.guiframe'
    package_name = 'Reference'
    genfiles(package, package_name, modules, dir='api')
    # build local plugin
    for f in os.listdir(path):
        if os.path.isdir(os.path.join(path, f)) and not f.startswith('.') \
            and f not in ['images', 'media']:
            if f  == "local_perspectives":
                temp = os.path.join(path, f)
                if os.path.isdir(temp):
                    for tf in os.listdir(temp):
                        if os.path.isdir(os.path.join(path, f, tf)) \
                            and not tf.startswith('.') :
                            package = "sans.guiframe"
                            package += ".local_perspectives.%s" % str(tf)
                            p = os.path.join(path, f, tf)
                            package_name = 'Local Perspective: %s' % str(tf)
                            modules = create_module_tuple(p)
                            dir = os.path.join("api", "local_perspectives", tf)
                            genfiles(package, package_name, modules, dir=dir)
          
    print "Sphinx: generate .rst files complete..."