feat: Proxy support (#508)

Author: juancarlospaco

postgrest/_async/client.py

@@ -29,6 +29,7 @@ def __init__(
         headers: Dict[str, str] = DEFAULT_POSTGREST_CLIENT_HEADERS,
         timeout: Union[int, float, Timeout] = DEFAULT_POSTGREST_CLIENT_TIMEOUT,
         verify: bool = True,
+        proxy: Optional[str] = None,
     ) -> None:
         BasePostgrestClient.__init__(
             self,
@@ -37,6 +38,7 @@ def __init__(
             headers=headers,
             timeout=timeout,
             verify=verify,
+            proxy=proxy,
         )
         self.session = cast(AsyncClient, self.session)
 
@@ -46,12 +48,14 @@ def create_session(
         headers: Dict[str, str],
         timeout: Union[int, float, Timeout],
         verify: bool = True,
+        proxy: Optional[str] = None,
     ) -> AsyncClient:
         return AsyncClient(
             base_url=base_url,
             headers=headers,
             timeout=timeout,
             verify=verify,
+            proxy=proxy,
             follow_redirects=True,
             http2=True,
         )

postgrest/_sync/client.py

@@ -29,6 +29,7 @@ def __init__(
         headers: Dict[str, str] = DEFAULT_POSTGREST_CLIENT_HEADERS,
         timeout: Union[int, float, Timeout] = DEFAULT_POSTGREST_CLIENT_TIMEOUT,
         verify: bool = True,
+        proxy: Optional[str] = None,
     ) -> None:
         BasePostgrestClient.__init__(
             self,
@@ -37,6 +38,7 @@ def __init__(
             headers=headers,
             timeout=timeout,
             verify=verify,
+            proxy=proxy,
         )
         self.session = cast(SyncClient, self.session)
 
@@ -46,12 +48,14 @@ def create_session(
         headers: Dict[str, str],
         timeout: Union[int, float, Timeout],
         verify: bool = True,
+        proxy: Optional[str] = None,
     ) -> SyncClient:
         return SyncClient(
             base_url=base_url,
             headers=headers,
             timeout=timeout,
             verify=verify,
+            proxy=proxy,
             follow_redirects=True,
             http2=True,
         )

postgrest/base_client.py

@@ -19,13 +19,14 @@ def __init__(
         headers: Dict[str, str],
         timeout: Union[int, float, Timeout],
         verify: bool = True,
+        proxy: Optional[str] = None,
     ) -> None:
         headers = {
             **headers,
             "Accept-Profile": schema,
             "Content-Profile": schema,
         }
-        self.session = self.create_session(base_url, headers, timeout, verify)
+        self.session = self.create_session(base_url, headers, timeout, verify, proxy)
 
     @abstractmethod
     def create_session(
@@ -34,6 +35,7 @@ def create_session(
         headers: Dict[str, str],
         timeout: Union[int, float, Timeout],
         verify: bool = True,
+        proxy: Optional[str] = None,
     ) -> Union[SyncClient, AsyncClient]:
         raise NotImplementedError()