Issue #122: support perforce - first part

Vagrantfile

@@ -0,0 +1,79 @@
+# -*- mode: ruby -*-
+# vi: set ft=ruby :
+
+# All Vagrant configuration is done below. The "2" in Vagrant.configure
+# configures the configuration version (we support older styles for
+# backwards compatibility). Please don't change it unless you know what
+# you're doing.
+Vagrant.configure(2) do |config|
+  # The most common configuration options are documented and commented below.
+  # For a complete reference, please see the online documentation at
+  # https://docs.vagrantup.com.
+
+  # Every Vagrant development environment requires a box. You can search for
+  # boxes at https://atlas.hashicorp.com/search.
+  config.vm.box = "dharmab/centos6"
+
+  # Disable automatic box update checking. If you disable this, then
+  # boxes will only be checked for updates when the user runs
+  # `vagrant box outdated`. This is not recommended.
+  # config.vm.box_check_update = false
+
+  # Create a forwarded port mapping which allows access to a specific port
+  # within the machine from a port on the host machine. In the example below,
+  # accessing "localhost:8080" will access port 80 on the guest machine.
+  # config.vm.network "forwarded_port", guest: 80, host: 8080
+
+  # Create a private network, which allows host-only access to the machine
+  # using a specific IP.
+  # config.vm.network "private_network", ip: "192.168.33.10"
+
+  # Create a public network, which generally matched to bridged network.
+  # Bridged networks make the machine appear as another physical device on
+  # your network.
+  # config.vm.network "public_network"
+
+  # Share an additional folder to the guest VM. The first argument is
+  # the path on the host to the actual folder. The second argument is
+  # the path on the guest to mount the folder. And the optional third
+  # argument is a set of non-required options.
+  # config.vm.synced_folder "../data", "/vagrant_data"
+
+  # Provider-specific configuration so you can fine-tune various
+  # backing providers for Vagrant. These expose provider-specific options.
+  # Example for VirtualBox:
+  #
+  # config.vm.provider "virtualbox" do |vb|
+  #   # Display the VirtualBox GUI when booting the machine
+  #   vb.gui = true
+  #
+  #   # Customize the amount of memory on the VM:
+  #   vb.memory = "1024"
+  # end
+  #
+  # View the documentation for the provider you are using for more
+  # information on available options.
+
+  # Define a Vagrant Push strategy for pushing to Atlas. Other push strategies
+  # such as FTP and Heroku are also available. See the documentation at
+  # https://docs.vagrantup.com/v2/push/atlas.html for more information.
+  # config.push.define "atlas" do |push|
+  #   push.app = "YOUR_ATLAS_USERNAME/YOUR_APPLICATION_NAME"
+  # end
+
+  # Enable provisioning with a shell script. Additional provisioners such as
+  # Puppet, Chef, Ansible, Salt, and Docker are also available. Please see the
+  # documentation for more information about their specific syntax and use.
+   config.vm.provision "shell", inline: <<-SHELL
+     # create venv
+     sudo yum -y install python-virtualenv python-pip
+     sudo yum -y install python-virtualenvwrapper
+     mkvirtualenv --no-site-packages vcs   # doesn't work
+
+     # install perforce
+     sudo rpm --import https://package.perforce.com/perforce.pubkey
+     sudo yum install yum-utils
+     sudo yum-config-manager --add-repo=http://package.perforce.com/yum/rhel/6/x86_64
+     sudo yum install helix-cli
+   SHELL
+end

docs/api/backends/p4.rst

@@ -0,0 +1,21 @@
+.. _api-backends-p4:
+
+vcs.backends.p4
+===============
+
+.. automodule:: vcs.backends.p4
+
+P4Repository
+-------------------
+
+.. autoclass:: vcs.backends.p4.P4Repository
+   :members:
+
+P4Changeset
+------------------
+
+.. autoclass:: vcs.backends.p4.P4Changeset
+   :members:
+   :inherited-members:
+   :undoc-members:
+   :show-inheritance:

setup.py

@@ -13,7 +13,7 @@
         "long_description (%s)\n" % readme_file)
     sys.exit(1)
 
-install_requires = ['Pygments']
+install_requires = ['Pygments', 'pytz']
 
 if sys.version_info < (2, 7):
     install_requires.append('unittest2')

vcs/backends/p4/__init__.py

@@ -0,0 +1,16 @@
+"""
+Implements perforce backend. Uses command p4 -G to get all the info.
+
+Perforce streams not supported yet. Helix dvcs not supported yet.
+
+Used with server and client 2015.1. Older or newer versions may not work.
+"""
+
+from .repository import P4Repository
+from .changeset import P4Changeset
+
+
+
+__all__ = [
+    'P4Repository', 'P4Changeset'
+]