[enh] SigningKey: allow to pass a Path

duniterpy/key/signing_key.py

@@ -5,6 +5,7 @@ duniter public and private keys
 """
 import re
 from typing import Optional, Union, TypeVar, Type
+from pathlib import Path
 
 import libnacl.sign
 import pyaes
@@ -64,7 +65,7 @@ class SigningKey(libnacl.sign.Signer):
 
         return cls(seed)
 
-    def save_seedhex_file(self, path: str) -> None:
+    def save_seedhex_file(self, path: Union[Path, str]) -> None:
         """
         Save hexadecimal seed file from seed
 
@@ -75,11 +76,11 @@ class SigningKey(libnacl.sign.Signer):
             fh.write(seedhex)
 
     @staticmethod
-    def from_seedhex_file(path: str) -> SigningKeyType:
+    def from_seedhex_file(path: Union[Path, str]) -> SigningKeyType:
         """
         Return SigningKey instance from Seedhex file
 
-        :param str path: Hexadecimal seed file path
+        :param path: Hexadecimal seed file path
         """
         with open(path, "r") as fh:
             seedhex = fh.read()
@@ -100,7 +101,7 @@ class SigningKey(libnacl.sign.Signer):
         seed = convert_seedhex_to_seed(seedhex)
         return cls(seed)
 
-    def save_private_key(self, path: str) -> None:
+    def save_private_key(self, path: Union[Path, str]) -> None:
         """
         Save authentication file
 
@@ -109,7 +110,7 @@ class SigningKey(libnacl.sign.Signer):
         self.save(path)
 
     @staticmethod
-    def from_private_key(path: str) -> SigningKeyType:
+    def from_private_key(path: Union[Path, str]) -> SigningKeyType:
         """
         Read authentication file
         Add public key attribute
@@ -135,7 +136,9 @@ class SigningKey(libnacl.sign.Signer):
         )
 
     @classmethod
-    def from_pubsec_file(cls: Type[SigningKeyType], path: str) -> SigningKeyType:
+    def from_pubsec_file(
+        cls: Type[SigningKeyType], path: Union[Path, str]
+    ) -> SigningKeyType:
         """
         Return SigningKey instance from Duniter WIF file
 
@@ -166,7 +169,7 @@ class SigningKey(libnacl.sign.Signer):
 
         return cls(seed)
 
-    def save_pubsec_file(self, path: str) -> None:
+    def save_pubsec_file(self, path: Union[Path, str]) -> None:
         """
         Save a Duniter PubSec file (PubSec) v1
 
@@ -194,7 +197,7 @@ sec: {signkey}""".format(
 
     @staticmethod
     def from_wif_or_ewif_file(
-        path: str, password: Optional[str] = None
+        path: Union[Path, str], password: Optional[str] = None
     ) -> SigningKeyType:
         """
         Return SigningKey instance from Duniter WIF or EWIF file
@@ -239,7 +242,7 @@ sec: {signkey}""".format(
         return result
 
     @staticmethod
-    def from_wif_file(path: str) -> SigningKeyType:
+    def from_wif_file(path: Union[Path, str]) -> SigningKeyType:
         """
         Return SigningKey instance from Duniter WIF file
 
@@ -286,7 +289,7 @@ sec: {signkey}""".format(
 
         return cls(seed)
 
-    def save_wif_file(self, path: str) -> None:
+    def save_wif_file(self, path: Union[Path, str]) -> None:
         """
         Save a Wallet Import Format file (WIF) v1
 
@@ -316,7 +319,7 @@ Data: {data}""".format(
             )
 
     @staticmethod
-    def from_ewif_file(path: str, password: str) -> SigningKeyType:
+    def from_ewif_file(path: Union[Path, str], password: str) -> SigningKeyType:
         """
         Return SigningKey instance from Duniter EWIF file
 
@@ -395,7 +398,7 @@ Data: {data}""".format(
 
         return cls(seed)
 
-    def save_ewif_file(self, path: str, password: str) -> None:
+    def save_ewif_file(self, path: Union[Path, str], password: str) -> None:
         """
         Save an Encrypted Wallet Import Format file (WIF v2)