dependencies.py

from sverchok.dependencies import SvDependency

ex_dependencies = dict()

try:
    import sverchok

    from sverchok.dependencies import (
            SvDependency,
            ensurepip,
            pip, scipy, geomdl, skimage,
            mcubes, circlify,
            FreeCAD
        )

    sverchok_d = ex_dependencies["sverchok"] = SvDependency('Sverchok', "https://github.com/nortikin/sverchok")
    sverchok_d.module = sverchok
except ImportError:
    message =  "Sverchok addon is not available. Sverchok-Extra will not work."
    print(message)
    sverchok = None

pygalmesh_d = ex_dependencies["pygalmesh"] = SvDependency("pygalmesh", "https://github.com/nschloe/pygalmesh")
try:
    import pygalmesh
    pygalmesh_d.module = pygalmesh
except ImportError:
    pygalmesh = None

sdf_d = ex_dependencies["sdf"] = SvDependency("sdf", "https://github.com/fogleman/sdf")
try:
    import sdf
    sdf_d.module = sdf
except ImportError:
    sdf = None

scipy_d = ex_dependencies["scipy"] = SvDependency("scipy", "https://www.scipy.org/")
scipy_d.pip_installable = True
try:
    import scipy
    scipy_d.module = scipy
except ImportError:
    scipy = None

pyexcel_d = ex_dependencies["pyexcel"] = SvDependency("pyexcel", "https://github.com/pyexcel/pyexcel")
pyexcel_d.pip_installable = True
try:
    import pyexcel
    pyexcel_d.module = pyexcel
except ImportError:
    pyexcel = None

pyexcel_xls_d = ex_dependencies["pyexcel_xls"] = SvDependency("pyexcel_xls", "https://github.com/pyexcel/pyexcel-xls")
pyexcel_xls_d.pip_installable = True
try:
    import pyexcel_xls
    pyexcel_xls_d.module = pyexcel_xls
except ImportError:
    pyexcel_xls = None

pyexcel_xlsx_d = ex_dependencies["pyexcel_xlsx"] = SvDependency("pyexcel_xlsx", "https://github.com/pyexcel/pyexcel-xlsx")
pyexcel_xlsx_d.pip_installable = True
try:
    import pyexcel_xlsx
    pyexcel_xlsx_d.module = pyexcel_xlsx
except ImportError:
    pyexcel_xlsx = None

pyexcel_ods_d = ex_dependencies["pyexcel_ods"] = SvDependency("pyexcel_ods", "https://github.com/pyexcel/pyexcel-ods")
pyexcel_ods_d.pip_installable = True
try:
    import pyexcel_ods
    pyexcel_ods_d.module = pyexcel_ods
except ImportError:
    pyexcel_ods = None

pyexcel_io_d = ex_dependencies["pyexcel_io"] = SvDependency("pyexcel_io", "https://github.com/pyexcel/pyexcel-io")
pyexcel_io_d.pip_installable = True
try:
    import pyexcel_io
    pyexcel_io_d.module = pyexcel_io
except ImportError:
    pyexcel_io = None

awkward_d = ex_dependencies["awkward"] = SvDependency("awkward", "https://github.com/scikit-hep/awkward")
awkward_d.pip_installable = True
try:
    import awkward
    awkward_d.module = awkward
except ImportError:
    awkward = None

shapely_d = ex_dependencies["shapely"] = SvDependency("shapely", "https://github.com/shapely/shapely")
shapely_d.pip_installable = True
try:
    import shapely
    shapely_d.module = shapely
except ImportError:
    shapely = None