HaikuTeam#1077: Added support of Python3 on top of Python 2.7

README.md

@@ -40,7 +40,7 @@ It's important to use precise minor version numbers where specified.  `nodegit`/
 
     $ curl -o- -L https://yarnpkg.com/install.sh | bash -s -- --version 1.13.0
 
-4.) python 2.7.16 (if you need multiple Python environments on your machine, we recommend [pyenv](https://github.com/pyenv/pyenv))
+4.) python 2.7 or 3.x (if you need multiple Python environments on your machine, we recommend [pyenv](https://github.com/pyenv/pyenv))
 
 5.) libgcrypt (required for nodegit native bindings)
     $ brew install libgcrypt
@@ -54,7 +54,7 @@ Assuming a clean Windows 10, open a PowerShell with admin rights:
 Set-ExecutionPolicy Bypass -Scope Process -Force; iex ((New-Object System.Net.WebClient).DownloadString('https://chocolatey.org/install.ps1'))
 
 # Install git
-choco install git python2 -y 
+choco install git python -y 
 
 # Install nodejs 
 choco install nodejs-lts -y --version 8.15.1
@@ -81,7 +81,7 @@ yarn electron-rebuild
 ### Linux OS dependencies
 
 * Install a desktop environment like Gnome, XFCE, or KDE if machine does not already have one
-* Install dependences from system repositories: `apt install git curl python2 build-essential libgcrypt20 libcurl4-openssl-dev libssl-dev libgtk-3-0 libgconf-2-4 libnss3`
+* Install dependences from system repositories: `apt install git curl python3 build-essential libgcrypt20 libcurl4-openssl-dev libssl-dev libgtk-3-0 libgconf-2-4 libnss3`
 * Install nvm: `curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.33.6/install.sh | bash`
 * Install node 8.15.1: `nvm install 8.15.1 && nvm alias default 8.15.1 && nvm use 8.15.1`
 * Install yarn 1.13.0: `curl -o- -L https://yarnpkg.com/install.sh | bash -s -- --version 1.13.0`

hooks/post-checkout

@@ -1,24 +1,26 @@
-#!/usr/bin/env python2.7
+#!/usr/bin/env python
+import os
 import sys
-from os import environ
-from os import path
 import json
 import subprocess
 
 is_branch_checkout = sys.argv[3]
-if is_branch_checkout == '0' or environ.get('SKIP_HAIKU_HOOKS', '0') == '1':
-  # This is a file checkout or we have been expliticly asked to do nothing.
-  sys.exit(0)
+if is_branch_checkout == '0' or os.environ.get('SKIP_HAIKU_HOOKS', '0') == '1':
+    # This is a file checkout or we have been expliticly asked to do nothing.
+    sys.exit(0)
 
-current_branch = subprocess.check_output(['git', 'rev-parse', '--abbrev-ref', 'HEAD']).strip()
-with open(path.join('packages', 'haiku-common', 'config', 'experiments.json')) as experiments_file:
-  experiments = json.load(experiments_file)
+current_branch = subprocess.check_output(
+    ['git', 'rev-parse', '--abbrev-ref', 'HEAD']).strip()
+with open(os.path.join('packages', 'haiku-common', 'config', 'experiments.json')) as experiments_file:
+    experiments = json.load(experiments_file)
 
 if sys.argv[1] != sys.argv[2]:
-  print 'Syncing dependencies....'
-  subprocess.call(['yarn', 'install'])
+    print('Syncing dependencies....')
+    subprocess.call(['yarn', 'install'])
 
-print 'The following experiments are enabled:'
-print '\n'.join([
-  ' - {}'.format(experiment) for experiment in experiments if experiments.get(experiment, False)
-])
+print('The following experiments are enabled:')
+print(
+    '\n'.join([
+        ' - {}'.format(experiment) for experiment in experiments if experiments.get(experiment, False)
+    ])
+)

hooks/post-merge

@@ -1,11 +1,11 @@
-#!/usr/bin/env python2.7
-from os import environ
+#!/usr/bin/env python
+import os
 import subprocess
 import sys
 
-if environ.get('SKIP_HAIKU_HOOKS', '0') == '1':
-  # We have been expliticly asked to do nothing.
-  sys.exit(0)
+if os.environ.get('SKIP_HAIKU_HOOKS', '0') == '1':
+    # We have been expliticly asked to do nothing.
+    sys.exit(0)
 
-print 'Syncing dependencies....'
+print('Syncing dependencies....')
 subprocess.call(['yarn', 'install'])