IDA Pro 9.x Plugin to comment where an API is imported from

show_imported_module.py

import idaapi
import idc

class import_lib_commenter(idaapi.plugin_t):
    flags = 0
    comment = "comment the import module for the __imp_ entries"
    help = ""
    wanted_name = "import_lib_commenter"
    wanted_hotkey = "Shift+L"

    def init(self):
        return idaapi.PLUGIN_OK

    def run(self, arg):
        count = 0
        for i in range(idaapi.get_import_module_qty()):
            mod = 'IMPORTED FROM: ' + idaapi.get_import_module_name(i)
            mod = ''.join(mod) + '.dll'
            def cb(ea, name, ordinal, mod=mod):
                idc.set_cmt(ea, mod, 1)
                return True
            idaapi.enum_import_names(i, cb)
            count += 1
        idaapi.refresh_idaview_anyway()

    def term(self):
        pass

def PLUGIN_ENTRY():
    return import_lib_commenter()