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# WebDriver client
for Python
This package provides Python bindings
that conform
to the [W3C WebDriver standard](https:
//w3c.github.io/webdriver/),
which specifies a remote control protocol
for web browsers.
These bindings are written
with determining
implementation compliance
to the specification
in mind,
so that different remote
end drivers
can determine whether they meet the recognised standard.
The client
is used
for the WebDriver specification tests
in [web-platform-tests](https:
//github.com/web-platform-tests/wpt).
## Installation
To install the package individually
in your virtualenv
or system-wide:
% python setup.py install
Since this package does
not have any external dependencies,
you can also use the client directly from the checkout directory,
which
is useful
if you want
to contribute patches back:
% cd /path/
to/wdclient
% python
Python
2.
7.
12+ (default, Aug
4 2016,
20:
04:
34)
[GCC
6.
1.
1 20160724] on linux2
Type "help",
"copyright",
"credits" or "license" for more information.
>>> import webdriver
>>>
If you are writing WebDriver specification tests
for
[WPT](https:
//github.com/web-platform-tests/wpt),
there
is no need
to install the client manually
as it
is included
in the `tools/webdriver` directory.
## Usage
You can use the built-
in
[context manager](https:
//docs.python.org/2/reference/compound_stmts.html#the-with-statement)
to manage the lifetime
of the session.
The session
is started implicitly
at the first call
to a command
if it has
not already been started,
and will implicitly be ended when exiting the context:
```py
import webdriver
with webdriver.Session(
"127.0.0.1",
4444)
as session:
session.url =
"https://mozilla.org"
print
"The current URL is %s" % session.url
```
The following
is functionally equivalent
to the above,
but giving you manual control
of the session:
```py
import webdriver
session = webdriver.Session(
"127.0.0.1",
4444)
session.start()
session.url =
"https://mozilla.org"
print
"The current URL is %s" % session.url
session.
end()
```
## Dependencies
This client has the benefit
of only using standard
library dependencies.
No external PyPI dependencies are needed.
