[add] added get index method

MANIFEST.in

@@ -1,2 +0,0 @@
-include stock-symbols/data/*.csv
-include stock-symbols/data/*.json

stock-symbols/get_symbol.py

@@ -1,2 +0,0 @@
-from importlib import resources
-import io

stock_symbols/__init__.py

@@ -0,0 +1,3 @@
+from .stock_symbols import StockSymbols
+
+__all__ = [StockSymbols]

stock_symbols/stock_symbols.py

@@ -0,0 +1,62 @@
+import requests
+
+_BASE_URL_ = 'http://localhost:3001/api/'
+
+_UNAUTHORIZED_ = 401
+_NOT_FOUND_ = 404
+_INVALID_KEY_ = 'Invalid API Key'
+_SERVER_ERROR_ = 'Something is wrong. Please contact the creator'
+
+class StockSymbols():
+  def __init__(self, api_key: str):
+      self._base_url = _BASE_URL_
+      self.api_key = api_key
+
+  def get_symbol_list(self, market=None, index=None, symbols_only=False):
+    headers = {'x-api-key': self.api_key}
+    try:
+      if index != None:
+        params = {'market': market, 'index': index}
+        r = requests.get(self._base_url + 'indexes', params=params, headers=headers)
+      else:
+        params = {'market': market}
+        r = requests.get(self._base_url + 'symbols', params=params, headers=headers)
+      if r.status_code == _UNAUTHORIZED_:
+        raise ValueError(_INVALID_KEY_)
+      if r.status_code == _NOT_FOUND_:
+        raise ValueError(r.json()['error'])
+      data = r.json()['data']
+      if symbols_only:
+        return [q['symbol'] for q in data[0]['quotes']]
+      else:
+        return data[0]['quotes']
+    except ValueError:
+      raise
+    except:
+      raise Exception(_SERVER_ERROR_)
+
+  def get_market_list(self):
+    headers = {'x-api-key': self.api_key}
+    try:
+      r = requests.get(self._base_url + 'market/all', headers=headers)
+      if r.status_code == _UNAUTHORIZED_:
+        raise ValueError(_INVALID_KEY_)
+      data = r.json()['data']
+      return data
+    except ValueError:
+      raise
+    except:
+      raise Exception(_SERVER_ERROR_)
+
+  def get_index_list(self):
+      headers = {'x-api-key': self.api_key}
+      try:
+        r = requests.get(self._base_url + 'indexes/all', headers=headers)
+        if r.status_code == _UNAUTHORIZED_:
+          raise ValueError(_INVALID_KEY_)
+        data = r.json()['data']
+        return data
+      except ValueError:
+        raise
+      except:
+        raise Exception(_SERVER_ERROR_)