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"""Matplotlib package for VisTrails.

This package wrap Matplotlib to provide a plotting tool for
VisTrails. We are going to use the 'Qt4Agg' backend of the library.

"""

identifier = 'edu.utah.sci.vistrails.matplotlib'
name = 'matplotlib'
version = '0.9.0'

def package_dependencies():
    import core.packagemanager
    manager = core.packagemanager.get_package_manager()
    if manager.has_package('edu.utah.sci.vistrails.spreadsheet'):
        return ['edu.utah.sci.vistrails.spreadsheet']
    else:
        return []

def package_requirements():
    import core.requirements
    if not core.requirements.python_module_exists('matplotlib'):
        raise core.requirements.MissingRequirement('matplotlib')
    if not core.requirements.python_module_exists('pylab'):
        raise core.requirements.MissingRequirement('pylab')
