(#52) feat: add credentials

.gitignore

@@ -130,3 +130,6 @@ dmypy.json
 
 # vscode settings
 .vscode/
+
+# jetbrains settings
+.idea

README.md

@@ -75,6 +75,26 @@ git clone https://github.com/uJhin/upbit-client.git
 
 
 ### Quick Start
+#### Credentials
+```shell
+mkdir -p ~/.upbit
+```
+```
+# vi ~/.upbit/credentials
+
+[default]
+access_key = a
+secret_key = b
+
+[a]
+access_key = c
+secret_key = d
+```
+```python
+client = Upbit() # default
+client = Upbit(profile="a")
+```
+
 #### REST Client
 - Check Your API Keys
 ```python

client/python/upbit/client.py

@@ -1,5 +1,6 @@
 
 from . import models
+from .credentials import Credentials
 
 
 class Upbit:
@@ -22,8 +23,13 @@ def __init__(
         self,
         access_key: str = None,
         secret_key: str = None,
+        profile: str = None,
         **kwargs
     ):
+        if access_key is None and secret_key is None:
+            credentials = Credentials.get(profile)
+            access_key = credentials["access_key"]
+            secret_key = credentials["secret_key"]
 
         self.__client = models.ClientModel(
             access_key=access_key,

client/python/upbit/credentials.py

@@ -0,0 +1,27 @@
+import os
+from configparser import ConfigParser
+
+PATH = ".upbit/credentials"
+
+
+class Credentials:
+    """
+    Credentials
+    """
+
+    @staticmethod
+    def home():
+        return os.path.expanduser("~")
+
+    @staticmethod
+    def get(profile: str = None) -> dict:
+        profile = profile or "default"
+
+        config = ConfigParser()
+        config.read(f"{Credentials.home()}/{PATH}")
+
+        return config._sections[profile]
+
+
+if __name__ == '__main__':
+    print(Credentials.get())