[BouffaloLab]Add generate factory qr code scripts

scripts/setup/requirements.bouffalolab.txt

@@ -1 +1,7 @@
 bflb-iot-tool>=1.8.0
+jsonschema>=4.4.0
+cbor2>=5.4.3
+ecdsa>=0.18.0
+qrcode==7.4.2
+bitarray==2.6.0
+python_stdnum==1.18

scripts/tools/bouffalolab/factory_qrcode.py

@@ -0,0 +1,84 @@
+#!/usr/bin/env python3
+#
+#    Copyright (c) 2022 Project CHIP Authors
+#
+#    Licensed under the Apache License, Version 2.0 (the "License");
+#    you may not use this file except in compliance with the License.
+#    You may obtain a copy of the License at
+#
+#        http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS,
+#    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#    See the License for the specific language governing permissions and
+#    limitations under the License.
+
+import argparse
+import os
+import sys
+
+try:
+    import qrcode
+    from generate_setup_payload import CommissioningFlow, SetupPayload
+except ImportError:
+    SDK_ROOT = os.path.dirname(os.path.dirname(os.path.dirname(os.path.dirname(os.path.realpath(__file__)))))
+    sys.path.append(os.path.join(SDK_ROOT, "src/setup_payload/python"))
+    try:
+        import qrcode
+        from generate_setup_payload import CommissioningFlow, SetupPayload
+    except ModuleNotFoundError or ImportError:
+        no_onboarding_modules = True
+    else:
+        no_onboarding_modules = False
+else:
+    no_onboarding_modules = False
+
+
+def allow_any_int(i): return int(i, 0)
+
+
+def get_args():
+    parser = argparse.ArgumentParser(description="BouffaloLab QR Code generator tool")
+    mandatory_arguments = parser.add_argument_group(
+        "Mandatory keys", "These arguments must be provided to generate QR Code JSON file")
+    mandatory_arguments.add_argument("--vendor_id", type=allow_any_int, required=True,
+                                     help="[int | hex int] Provide Vendor Identification Number")
+    mandatory_arguments.add_argument("--product_id", type=allow_any_int, required=True,
+                                     help="[int | hex int] Provide Product Identification Number")
+    mandatory_arguments.add_argument("--discriminator", type=allow_any_int, required=True,
+                                     help="[int] Provide BLE pairing discriminator. \
+                                     A 12-bit value matching the field of the same name in \
+                                     the setup code. Discriminator is used during a discovery process.")
+    mandatory_arguments.add_argument("--pincode", type=allow_any_int, required=True,
+                                     help=("[int | hex] Default PASE session passcode. "
+                                           "(This is mandatory to generate QR Code)."))
+    mandatory_arguments.add_argument("-o", "--output", type=str, required=True,
+                                     help="Output path to store .json file, e.g. my_dir/output.json")
+    return parser.parse_args()
+
+
+def generate_qrcode_data(args):
+    if no_onboarding_modules is False:
+        setup_payload = SetupPayload(discriminator=args.discriminator,
+                                     pincode=args.pincode,
+                                     rendezvous=2,  # fixed pairing BLE
+                                     flow=CommissioningFlow.Standard,
+                                     vid=args.vendor_id,
+                                     pid=args.product_id)
+        with open(args.output[:-len(".json")] + ".txt", "w") as manual_code_file:
+            manual_code_file.write("Manualcode : " + setup_payload.generate_manualcode() + "\n")
+            manual_code_file.write("QRCode : " + setup_payload.generate_qrcode())
+        qr = qrcode.make(setup_payload.generate_qrcode())
+        qr.save(args.output[:-len(".json")] + ".png")
+    else:
+        print("Please install it with all dependencies: pip3 install -r ./scripts/setup/requirements.bouffalolab.txt from the Matter root directory")
+
+
+def main():
+    args = get_args()
+    generate_qrcode_data(args)
+
+
+if __name__ == "__main__":
+    main()