Fix docs examples to work with Python 3

Signed-off-by: Joffrey F <joffrey@docker.com>

docker/api/daemon.py

@@ -42,8 +42,8 @@ class DaemonApiMixin(object):
 
         Example:
 
-            >>> for event in client.events()
-            ...   print event
+            >>> for event in client.events(decode=True)
+            ...   print(event)
             {u'from': u'image/with:tag',
              u'id': u'container-id',
              u'status': u'start',
@@ -54,7 +54,7 @@ class DaemonApiMixin(object):
 
             >>> events = client.events()
             >>> for event in events:
-            ...   print event
+            ...   print(event)
             >>> # and cancel from another thread
             >>> events.close()
         """

docker/api/image.py

@@ -352,8 +352,8 @@ class ImageApiMixin(object):
 
         Example:
 
-            >>> for line in cli.pull('busybox', stream=True):
-            ...     print(json.dumps(json.loads(line), indent=4))
+            >>> for line in cli.pull('busybox', stream=True, decode=True):
+            ...     print(json.dumps(line, indent=4))
             {
                 "status": "Pulling image (latest) from busybox",
                 "progressDetail": {},
@@ -428,12 +428,12 @@ class ImageApiMixin(object):
                 If the server returns an error.
 
         Example:
-            >>> for line in cli.push('yourname/app', stream=True):
-            ...   print line
-            {"status":"Pushing repository yourname/app (1 tags)"}
-            {"status":"Pushing","progressDetail":{},"id":"511136ea3c5a"}
-            {"status":"Image already pushed, skipping","progressDetail":{},
-             "id":"511136ea3c5a"}
+            >>> for line in cli.push('yourname/app', stream=True, decode=True):
+            ...   print(line)
+            {'status': 'Pushing repository yourname/app (1 tags)'}
+            {'status': 'Pushing','progressDetail': {}, 'id': '511136ea3c5a'}
+            {'status': 'Image already pushed, skipping', 'progressDetail':{},
+             'id': '511136ea3c5a'}
             ...
 
         """

docker/api/mixin.py

+from typing import Any, Dict, Iterable, List, Optional, Union
+
+import requests
+
+from ..constants import DEFAULT_DOCKER_API_VERSION, DEFAULT_TIMEOUT_SECONDS
+
+class BaseMixin(object):
+    base_url: str = ''
+    credstore_env: Optional[Dict[str, str]] = None
+    timeout: int = DEFAULT_TIMEOUT_SECONDS
+    _auth_configs: Dict[str, Dict]
+    _general_configs: Dict[str, Dict]
+    _version: str = DEFAULT_DOCKER_API_VERSION
+
+    def _url(self, pathfmt: str, *args, **kwargs) -> str:
+        raise NotImplemented
+
+    def _post(self, url: str, **kwargs) -> requests.Response:
+        raise NotImplemented
+
+    def _get(self, url: str, **kwargs) -> requests.Response:
+        raise NotImplemented
+
+    def _put(self, url: str, **kwargs) -> requests.Response:
+        raise NotImplemented
+
+    def _delete(self, url: str, **kwargs) -> requests.Response:
+        raise NotImplemented
+
+    def _post_json(self, url: str, data: Optional[Union[Dict[str, Any], List[Any]]], **kwargs) -> requests.Response:
+        raise NotImplemented
+
+    def _raise_for_status(self, response: requests.Response) -> None:
+        raise NotImplemented
+
+    def _result(self, response: requests.Response, json: bool=False, binary: bool=False) -> Any:
+        raise NotImplemented
+
+    def _stream_helper(self, response: requests.Response, decode: bool = False) -> Iterable:
+        raise NotImplemented
+
+    def _get_raw_response_socket(self, response: requests.Response) -> Iterable:
+        raise NotImplemented
+
+    def _read_from_socket(
+            self,
+            response: requests.Response,
+            stream: bool,
+            tty: bool = False) -> Union[Iterable[bytes], bytes]:
+        raise NotImplemented
+
+    def _stream_raw_result(
+            self,
+            response: requests.Response,
+            chunk_size: int = 1,
+            decode: bool = True) -> Iterable[bytes]:
+        raise NotImplemented

docker/types/daemon.py

@@ -15,7 +15,7 @@ class CancellableStream(object):
     Example:
         >>> events = client.events()
         >>> for event in events:
-        ...   print event
+        ...   print(event)
         >>> # and cancel from another thread
         >>> events.close()
     """