def print_sysinfo():
    """Print information about relevant dependencies"""
    #get version information
    for line in open('glue/version.py'):
        if (line.startswith('__version__')):
            exec(line.strip())

    #Print external package information
    print_line()
    print_raw("BUILDING GLUE")
    print_status('glue', __version__)
    print_status('python', sys.version)
    print_status('platform', sys.platform)
    if sys.platform == 'win32':
        print_status('Windows version', sys.getwindowsversion())

    print_raw("")
    print_raw("REQUIRED DEPENDENCIES")
    if not check_for_numpy('1.4'):
        sys.exit(1)


    print_raw("")
    print_raw("RECOMMENDED DEPENDENCIES")
    check_for_matplotlib()
    check_for_qt4()
    check_for_scipy()

    print_raw("")
    print_raw("OPTIONAL DEPENDENCIES : GENERAL")
    check_for_ipython()
    check_for_pil()

    print_raw("")
    print_raw("OPTIONAL DEPENDENCIES : ASTRONOMY")
    check_for_astropy()
    check_for_atpy()
    check_for_aplpy()

    print_raw("")
    print_raw("OPTIONAL DEPENDENCIES : TESTING")
    check_for_pytest()
    check_for_mock()
    print_line()

    # going to build/install.
    print_line()
    print_raw("Edit setup.cfg to change the build options")

    required_failed = []
    good_packages = []
    for package in mpl_packages:
        if isinstance(package, str):
            print_raw('')
            print_raw(package.upper())
        else:
            try:
                result = package.check()
                if result is not None:
                    message = 'yes [%s]' % result
                    print_status(package.name, message)
            except setupext.CheckFailed as e:
                msg = str(e).strip()
                if len(msg):
                    print_status(package.name, 'no  [%s]' % msg)
                else:
                    print_status(package.name, 'no')
                if not package.optional:
                    required_failed.append(package)
            else:
                good_packages.append(package)
                if isinstance(package, setupext.OptionalBackendPackage):
                    if default_backend is None:
                        default_backend = package.name
    print_raw('')

    'matplotlib.sphinxext',
    'matplotlib.tri',

    ]

py_modules = ['pylab']

ext_modules = []

for line in open('lib/matplotlib/__init__.py').readlines():
    if (line.startswith('__version__')):
        exec(line.strip())

print_line()
print_raw("BUILDING MATPLOTLIB")
print_status('matplotlib', __version__)
print_status('python', sys.version)
print_status('platform', sys.platform)
if sys.platform == 'win32':
    print_status('Windows version', sys.getwindowsversion())
print_raw("")
print_raw("REQUIRED DEPENDENCIES")

# Specify all the required mpl data
package_data = {'matplotlib':['mpl-data/fonts/afm/*.afm',
                              'mpl-data/fonts/pdfcorefonts/*.afm',
                              'mpl-data/fonts/pdfcorefonts/*.txt',
                              'mpl-data/fonts/ttf/*.ttf',
                              'mpl-data/fonts/ttf/LICENSE_STIX',
                              'mpl-data/fonts/ttf/COPYRIGHT.TXT',
                              'mpl-data/fonts/ttf/README.TXT',

    # going to build/install.
    print_line()
    print_raw("Edit setup.cfg to change the build options")

    required_failed = []
    good_packages = []
    for package in mpl_packages:
        if isinstance(package, str):
            print_raw("")
            print_raw(package.upper())
        else:
            try:
                result = package.check()
                if result is not None:
                    message = "yes [%s]" % result
                    print_status(package.name, message)
            except setupext.CheckFailed as e:
                msg = str(e).strip()
                if len(msg):
                    print_status(package.name, "no  [%s]" % msg)
                else:
                    print_status(package.name, "no")
                if not package.optional:
                    required_failed.append(package)
            else:
                good_packages.append(package)
                if isinstance(package, setupext.OptionalBackendPackage):
                    if default_backend is None:
                        default_backend = package.name
    print_raw("")

    # going to build/install.
    print_line()
    print_raw("Edit setup.cfg to change the build options")

    required_failed = []
    good_packages = []
    for package in mpl_packages:
        if isinstance(package, str):
            print_raw('')
            print_raw(package.upper())
        else:
            try:
                result = package.check()
                if result is not None:
                    message = 'yes [%s]' % result
                    print_status(package.name, message)
            except setupext.CheckFailed as e:
                print_status(package.name, 'no  [%s]' % str(e))
                if not package.optional:
                    required_failed.append(package)
            else:
                good_packages.append(package)
                if isinstance(package, setupext.OptionalBackendPackage):
                    if default_backend is None:
                        default_backend = package.name
    print_raw('')


    # Abort if any of the required packages can not be built.
    if required_failed:
        print_line()