Fix python lint

tests/ragger/setup.cfg

@@ -7,11 +7,16 @@ disable = C0114,  # missing-module-docstring
           C0116,  # missing-function-docstring
           C0103,  # invalid-name
           R0801,  # duplicate-code
-          R0913   # too-many-arguments
+          R0903,  # too-few-public-methods
+          R0913,  # too-many-arguments
+          R0914,  # too-many-locals
+          W0603,  # global-statement
+          E0401   # import-error
 extension-pkg-whitelist=hid
+max-line-length = 130
 
 [pycodestyle]
-max-line-length = 90
+max-line-length = 130
 
 [mypy-hid.*]
 ignore_missing_imports = True

tests/ragger/staking_deposit/key_handling/key_derivation/path.py

@@ -3,7 +3,7 @@ from typing import List
 from bip_utils import Bip39SeedGenerator
 from bip_utils.utils.mnemonic import Mnemonic
 
-from .tree import (
+from staking_deposit.key_handling.key_derivation.tree import (
     derive_master_SK,
     derive_child_SK,
 )

tests/ragger/staking_deposit/key_handling/key_derivation/tree.py

@@ -1,16 +1,17 @@
+from typing import List
+
 from staking_deposit.utils.crypto import (
     HKDF,
     SHA256,
 )
 from py_ecc.optimized_bls12_381 import curve_order as bls_curve_order
-from typing import List
 
 
-def _flip_bits_256(input: int) -> int:
+def _flip_bits_256(value: int) -> int:
     """
-    Flips 256 bits worth of `input`.
+    Flips 256 bits worth of `value`.
     """
-    return input ^ (2**256 - 1)
+    return value ^ (2**256 - 1)
 
 
 def _IKM_to_lamport_SK(*, IKM: bytes, salt: bytes) -> List[bytes]:

tests/ragger/staking_deposit/utils/crypto.py

@@ -32,12 +32,9 @@ def PBKDF2(*, password: bytes, salt: bytes, dklen: int, c: int, prf: str) -> byt
     if 'sha' not in prf:
         raise ValueError(f"String 'sha' is not in `prf`({prf})")
     if 'sha256' in prf and c < 2**18:
-        '''
-        Verify the number of rounds of SHA256-PBKDF2. SHA512 not checked as use in BIP39
-        does not require, and therefore doesn't use, safe parameters (c=2048).
-
-        Ref: https://github.com/bitcoin/bips/blob/master/bip-0039.mediawiki#from-mnemonic-to-seed
-        '''
+        # Verify the number of rounds of SHA256-PBKDF2. SHA512 not checked as use in BIP39
+        # does not require, and therefore doesn't use, safe parameters (c=2048).
+        # Ref: https://github.com/bitcoin/bips/blob/master/bip-0039.mediawiki#from-mnemonic-to-seed
         raise ValueError("The PBKDF2 parameters chosen are not secure.")
     _hash = _sha256 if 'sha256' in prf else _sha512
     res = _PBKDF2(password=password, salt=salt, dkLen=dklen, count=c, hmac_hash_module=_hash)  # type: ignore

tests/ragger/test_configuration_cmd.py

@@ -1,6 +1,7 @@
 from pathlib import Path
 from typing import List
 import re
+
 from ragger.backend import BackendInterface
 from ragger.utils.misc import get_current_app_name_and_version
 

tests/ragger/test_erc20information.py

@@ -1,10 +1,10 @@
 import pytest
 
-from client.client import EthAppClient, StatusWord
-
 from ragger.error import ExceptionRAPDU
 from ragger.backend import BackendInterface
 
+from client.client import EthAppClient, StatusWord
+
 
 def test_provide_erc20_token(backend: BackendInterface):
 

tests/ragger/usage.md

@@ -61,12 +61,13 @@ Or you can refer to the section `Available pytest options` to configure the opti
 With Ethereum App, it is also possible to load an app (like a _plugin_), and use the `app-ethereum` like a _library_.
 Such case is tested with application clone, using `ThunderCore`.
 
-This special configuration needs an additional command line parameter `--with_lib_mode`, where only the dedicated tests are selected.
+This special configuration needs an additional command line parameter `--with_lib_mode`,
+where only the dedicated tests are selected.
 
 ## Adding a test
 
-When adding new Module for tests, just be carrefull to declare it correctly in order to be handled following the parameter `--with_lib_mode`.
-please refer to `conftest.py`.
+When adding new Module for tests, just be carrefull to declare it correctly in order to be handled
+following the parameter `--with_lib_mode`. please refer to `conftest.py`.
 
 ## Available pytest options