converted Web3 instance variables to 'w3'. (ethereum#1186)

* converted Web3 instance variables to 'w3'.

* changed web3 instances to w3

* changed web3 instance variables to w3

Author: aherzfeld

docs/internals.rst

@@ -87,7 +87,7 @@ a list when instantiating your ``Web3`` object.
 
 .. code-block:: python
 
-    >>> web3 = Web3([provider_a, provider_b])
+    >>> w3 = Web3([provider_a, provider_b])
 
 
 
@@ -145,7 +145,7 @@ business logic for web3 requests.  Writing middleware is simple.
 
 .. code-block:: python
 
-    def simple_middleware(make_request, web3):
+    def simple_middleware(make_request, w3):
         # do one-time setup operations here
 
         def middleware(method, params):
@@ -167,8 +167,8 @@ It is also possible to implement middlewares as a class.
 .. code-block:: python
 
     class SimpleMiddleware:
-        def __init__(self, make_request, web3):
-            self.web3 = web3
+        def __init__(self, make_request, w3):
+            self.w3 = w3
             self.make_request = make_request
 
         def __call__(self, method, params):

docs/overview.rst

@@ -36,13 +36,13 @@ local development this would be something like ``ws://127.0.0.1:8546``.
     # Note that you should create only one RPCProvider per
     # process, as it recycles underlying TCP/IP network connections between
     # your process and Ethereum node
-    >>> web3 = Web3(HTTPProvider('http://localhost:8545'))
+    >>> w3 = Web3(HTTPProvider('http://localhost:8545'))
 
     # or for an IPC based connection
-    >>> web3 = Web3(IPCProvider())
+    >>> w3 = Web3(IPCProvider())
 
     # or for Websocket based connection
-    >>> web3 = Web3(WebsocketProvider('ws://127.0.0.1:8546'))
+    >>> w3 = Web3(WebsocketProvider('ws://127.0.0.1:8546'))
 
 
 Base API
@@ -207,7 +207,7 @@ Addresses
 
     .. code-block:: python
 
-        >>> web3.isAddress('0xd3CdA913deB6f67967B99D67aCDFa1712C293601')
+        >>> wch3.isAddress('0xd3CdA913deB6f67967B99D67aCDFa1712C293601')
         True
 
 
@@ -218,9 +218,9 @@ Addresses
 
     .. code-block:: python
 
-        >>> web3.isChecksumAddress('0xd3CdA913deB6f67967B99D67aCDFa1712C293601')
+        >>> wch3.isChecksumAddress('0xd3CdA913deB6f67967B99D67aCDFa1712C293601')
         True
-        >>> web3.isChecksumAddress('0xd3cda913deb6f67967b99d67acdfa1712c293601')
+        >>> wch3.isChecksumAddress('0xd3cda913deb6f67967b99d67acdfa1712c293601')
         False
 
 

docs/providers.rst

@@ -210,7 +210,7 @@ HTTPProvider
     .. code-block:: python
 
         >>> from web3 import Web3
-        >>> web3 = Web3(Web3.HTTPProvider("http://127.0.0.1:8545"))
+        >>> w3 = Web3(Web3.HTTPProvider("http://127.0.0.1:8545"))
 
     Note that you should create only one HTTPProvider per python
     process, as the HTTPProvider recycles underlying TCP/IP network connections,
@@ -225,7 +225,7 @@ HTTPProvider
     .. code-block:: python
 
         >>> from web3 import Web3
-        >>> web3 = Web3(Web3.HTTPProvider("http://127.0.0.1:8545", request_kwargs={'timeout': 60}))
+        >>> w3 = Web3(Web3.HTTPProvider("http://127.0.0.1:8545", request_kwargs={'timeout': 60}))
 
 
 IPCProvider
@@ -241,7 +241,7 @@ IPCProvider
     .. code-block:: python
 
         >>> from web3 import Web3
-        >>> web3 = Web3(Web3.IPCProvider("~/Library/Ethereum/geth.ipc"))
+        >>> w3 = Web3(Web3.IPCProvider("~/Library/Ethereum/geth.ipc"))
 
     If no ``ipc_path`` is specified, it will use the first IPC file
     it can find from this list:
@@ -275,7 +275,7 @@ WebsocketProvider
     .. code-block:: python
 
         >>> from web3 import Web3
-        >>> web3 = Web3(Web3.WebsocketProvider("ws://127.0.0.1:8546"))
+        >>> w3 = Web3(Web3.WebsocketProvider("ws://127.0.0.1:8546"))
 
     Under the hood, the ``WebsocketProvider`` uses the python websockets library for
     making requests.  If you would like to modify how requests are made, you can
@@ -286,7 +286,7 @@ WebsocketProvider
     .. code-block:: python
 
         >>> from web3 import Web3
-        >>> web3 = Web3(Web3.WebsocketProvider("http://127.0.0.1:8546", websocket_kwargs={'timeout': 60}))
+        >>> w3 = Web3(Web3.WebsocketProvider("http://127.0.0.1:8546", websocket_kwargs={'timeout': 60}))
 
 .. py:currentmodule:: web3.providers.eth_tester
 
@@ -366,7 +366,7 @@ simply instantiate your web3 instance with an iterable of provider instances.
     >>> from . import MySpecialProvider
     >>> special_provider = MySpecialProvider()
     >>> infura_provider = HTTPProvider('https://ropsten.infura.io')
-    >>> web3 = Web3([special_provider, infura_provider])
+    >>> w3 = Web3([special_provider, infura_provider])
 
 
 When web3 has multiple providers it will iterate over them in order, trying the