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# Developing on Ubuntu
## Git
To download the latest version of Plaso you'll need to install the git tools:
```
sudo apt-get install git
```
Checkout the Plaso source from the git repo:
```
git clone https://github.com/log2timeline/plaso.git
```
## Dependencies
Install the dependencies, using either:
* A [virtualenv](Developing-Virtualenv.html#Ubuntu)
* The [prepackaged dependencies](Development-Dependencies.html#Ubuntu).
Check if you have all the dependencies installed and have the right minimum
versions:
```
python utils/check_dependencies.py
```
**Note that some dependencies are actively under development and can be
frequently updated, therefore we recommend checking the status of the
dependencies regularly.**
## Updating your environment.
If you are using a github fork your origin is pointing to your fork and not
the main Plaso git repository. When you run `git remote -v` you might see
something like:
```
origin https://github.com/Onager/plaso (fetch)
origin https://github.com/Onager/plaso (push)
```
Add a git remote called 'upstream' that you can use to sync your fork:
```
git remote add upstream https://github.com/log2timeline/plaso.git
git pull --rebase upstream master
```
We provide packaged versions of the dependencies via the [l2tbinaries project](https://github.com/log2timeline/l2tbinaries/blob/master/README.md).
However it is possible that the dependencies are not fully up to date therefore
we also provide a build script as part of [l2tdevtools project](https://github.com/log2timeline/l2tdevtools)
to do unattended bulk builds.
## Development tools
If you intend to do development on Plaso you'll also need to install some
development tools:
* PyLint
* Python Mock
### PyLint
Currently plaso development uses PyLint version 1.9.x.
Remove any older version of PyLint.
```bash
sudo apt-get remove pylint
```
For pylint 1.9.x the following additional dependencies are required:
* [astroid](https://pypi.python.org/pypi/astroid)
* [lazy-object-proxy](https://pypi.python.org/pypi/lazy-object-proxy)
* [logilab-common](https://pypi.python.org/pypi/logilab-common)
* [wrapt](https://pypi.python.org/pypi/wrapt)
Download and build the python-wrapt Debian package:
**TODO describe**
Download and build the python-lazy-object-proxy Debian package:
**TODO describe**
Download and build the python-logilab-common Debian package:
```bash
hg clone http://hg.logilab.org/logilab/common
cd common
dpkg-buildpackage -rfakeroot
cd ..
```
Since you're building from development branch it can be possible that you need
to disable any failing tests.
Either report these as bugs to the PyLint project or fix them yourself.
Download and build the python-astroid Debian package:
```bash
hg clone https://bitbucket.org/logilab/astroid
cd astroid
dpkg-buildpackage -rfakeroot
cd ..
```
Download and build the pylint Debian package:
```bash
hg clone https://bitbucket.org/logilab/pylint
cd pylint
dpkg-buildpackage -rfakeroot
cd ..
```
Install the python-wrapt, python-lazy-object-proxy, python-logilab-common,
python-astroid and pylint Debian packages:
```bash
sudo dpkg -i python-wrapt python-lazy-object-proxy python-logilab-common_0.60.0-1_all.deb python-astroid_1.0.1-1_all.deb pylint_1.6.5-1_all.deb
```
### Python Mock
To install Python Mock run:
```bash
sudo apt-get install python-mock
```
|
