Add .env.template. Allow empty auth headers for Judge0 Cloud. Use Judge0 Cloud as preview client.

Author: hermanzdosilovic

.env.template

@@ -0,0 +1,26 @@
+# Sulu API Key. Get yours at https://platform.sulu.sh/portal/consumer/dashboard
+# Subscribe here: https://platform.sulu.sh/apis/judge0
+JUDGE0_SULU_API_KEY=
+
+# Rapid API Key. Get yours at https://rapidapi.com/developer/apps
+# Subscribe here: https://rapidapi.com/organization/judge0
+JUDGE0_RAPID_API_KEY=
+
+# ATD API Key. Get yours at https://www.allthingsdev.co/account/apps
+# Subscribe here: https://www.allthingsdev.co/publisher/profile/Herman%20Zvonimir%20Došilović
+JUDGE0_ATD_API_KEY=
+
+# Auth headers for Judge0 Cloud.
+# Contact us to get your credentials.
+JUDGE0_CLOUD_CE_AUTH_HEADERS=
+JUDGE0_CLOUD_EXTRA_CE_AUTH_HEADERS=
+
+# Endpoint and auth headers for custom Judge0 CE instance.
+# Use to connect to your own Judge0 CE server.
+JUDGE0_CE_ENDPOINT=
+JUDGE0_CE_AUTH_HEADERS= # Use "{}" for no auth headers.
+
+# Endpoint and auth headers for custom Judge0 Extra CE instance.
+# Use to connect to your own Judge0 Extra CE server.
+JUDGE0_EXTRA_CE_ENDPOINT=
+JUDGE0_EXTRA_CE_AUTH_HEADERS= # Use "{}" for no auth headers.

src/judge0/__init__.py

@@ -94,13 +94,12 @@ def _get_implicit_client(flavor: Flavor) -> Client:
     # Let's check if we can find a self-hosted client.
     client = _get_custom_client(flavor)
 
-    # Try to find one of the API keys JUDGE0_{SULU,RAPID,ATD}_API_KEY
-    # for hub clients.
+    # Try to find one of the API keys for hub clients.
     if client is None:
         client = _get_hub_client(flavor)
 
     # If we didn't find any of the possible keys, initialize
-    # the preview Sulu client based on the flavor.
+    # the preview client based on the flavor.
     if client is None:
         client = _get_preview_client(flavor)
 
@@ -120,9 +119,9 @@ def _get_preview_client(flavor: Flavor) -> Union[SuluJudge0CE, SuluJudge0ExtraCE
     )
 
     if flavor == Flavor.CE:
-        return SuluJudge0CE(retry_strategy=RegularPeriodRetry(0.5))
+        return Judge0CloudCE()
     else:
-        return SuluJudge0ExtraCE(retry_strategy=RegularPeriodRetry(0.5))
+        return Judge0CloudExtraCE()
 
 
 def _get_custom_client(flavor: Flavor) -> Union[Client, None]:

src/judge0/clients.py

@@ -728,7 +728,7 @@ class Judge0Cloud(Client):
         Additional keyword arguments for the base Client.
     """
 
-    def __init__(self, endpoint, auth_headers, **kwargs):
+    def __init__(self, endpoint, auth_headers=None, **kwargs):
         if isinstance(auth_headers, str):
             from json import loads
 
@@ -758,7 +758,7 @@ class Judge0CloudCE(Judge0Cloud):
     HOME_URL: ClassVar[str] = "https://ce.judge0.com"
     API_KEY_ENV: ClassVar[str] = "JUDGE0_CLOUD_CE_AUTH_HEADERS"
 
-    def __init__(self, auth_headers, **kwargs):
+    def __init__(self, auth_headers=None, **kwargs):
         super().__init__(
             self.DEFAULT_ENDPOINT,
             auth_headers,
@@ -783,7 +783,7 @@ class Judge0CloudExtraCE(Judge0Cloud):
     HOME_URL: ClassVar[str] = "https://extra-ce.judge0.com"
     API_KEY_ENV: ClassVar[str] = "JUDGE0_CLOUD_EXTRA_CE_AUTH_HEADERS"
 
-    def __init__(self, auth_headers, **kwargs):
+    def __init__(self, auth_headers=None, **kwargs):
         super().__init__(self.DEFAULT_ENDPOINT, auth_headers, **kwargs)