fix: Initialize bench with Python 3

bench/commands/make.py

@@ -2,7 +2,7 @@ import click
 
 @click.command()
 @click.argument('path')
-@click.option('--python', type = str, default = 'python', help = 'Path to Python Executable.')
+@click.option('--python', type = str, default = 'python3', help = 'Path to Python Executable.')
 @click.option('--ignore-exist', is_flag = True, default = False, help = "Ignore if Bench instance exists.")
 @click.option('--apps_path', default=None, help="path to json files with apps to install after init")
 @click.option('--frappe-path', default=None, help="path to frappe repo")
@@ -17,7 +17,7 @@ import click
 def init(path, apps_path, frappe_path, frappe_branch, no_procfile, no_backups,
 		no_auto_update, clone_from, verbose, skip_redis_config_generation, clone_without_update,
 		ignore_exist = False,
-		python 		 = 'python'): # Let's change we're ready. - <achilles@frappe.io>
+		python 		 = 'python3'):
 	'''
 	Create a New Bench Instance.
 	'''

bench/commands/setup.py

@@ -81,8 +81,8 @@ def setup_backups():
 	setup_backups()
 
 @click.command('env')
-@click.option('--python', type = str, default = 'python', help = 'Path to Python Executable.')
-def setup_env(python='python'):
+@click.option('--python', type = str, default = 'python3', help = 'Path to Python Executable.')
+def setup_env(python='python3'):
 	"Setup virtualenv for bench"
 	from bench.utils import setup_env
 	setup_env(python=python)

bench/utils.py

@@ -38,7 +38,7 @@ def init(path, apps_path=None, no_procfile=False, no_backups=False,
 		verbose=False, clone_from=None, skip_redis_config_generation=False,
 		clone_without_update=False,
 		ignore_exist = False,
-		python		 = 'python'): # Let's change when we're ready. - <achilles@frappe.io>
+		python		 = 'python3'): # Let's change when we're ready. - <achilles@frappe.io>
 	from .app import get_app, install_apps_from_path
 	from .config.common_site_config import make_config
 	from .config import redis
@@ -169,7 +169,7 @@ def which(executable, raise_err = False):
 
 	return exec_
 
-def setup_env(bench_path='.', python = 'python'):
+def setup_env(bench_path='.', python = 'python3'):
 	python = which(python, raise_err = True)
 	pip    = os.path.join('env', 'bin', 'pip')
 

playbooks/install.py

@@ -1,4 +1,4 @@
-# wget setup_frappe.py | python
+# wget setup_frappe.py | python3
 import os, sys, subprocess, getpass, json, multiprocessing, shutil, platform
 from distutils.spawn import find_executable
 
@@ -14,7 +14,7 @@ def install_bench(args):
 	success = run_os_command({
 		'apt-get': [
 			'sudo apt-get update',
-			'sudo apt-get install -y git build-essential python-setuptools python-dev libffi-dev libssl-dev'
+			'sudo apt-get install -y git build-essential python3-setuptools python3-dev libffi-dev libssl-dev'
 		],
 		'yum': [
 			'sudo yum groupinstall -y "Development tools"',
@@ -46,7 +46,7 @@ def install_bench(args):
 			})
 
 		success = run_os_command({
-			'python': 'sudo python get-pip.py --force-reinstall'
+			'python3': 'sudo python3 get-pip.py --force-reinstall'
 		})
 
 		if success:
@@ -85,12 +85,11 @@ def install_bench(args):
 		raise Exception('Please run this script as a non-root user with sudo privileges, but without using sudo or pass --user=USER')
 
 	# Python executable
-	if not args.production:
-		dist_name, dist_version = get_distribution_info()
-		if dist_name=='centos':
-			args.python = 'python3.6'
-		else:
-			args.python = 'python3'
+	dist_name, dist_version = get_distribution_info()
+	if dist_name=='centos':
+		args.python = 'python3.6'
+	else:
+		args.python = 'python3'
 
 	# create user if not exists
 	extra_vars = vars(args)
@@ -157,27 +156,6 @@ def get_distribution_info():
 		current_dist = platform.mac_ver()
 		return "macos", current_dist[0].rsplit('.', 1)[0]
 
-def install_python27():
-	version = (sys.version_info[0], sys.version_info[1])
-
-	if version == (2, 7):
-		return
-
-	print('Installing Python 2.7')
-
-	# install python 2.7
-	success = run_os_command({
-		'apt-get': 'sudo apt-get install -y python-dev',
-		'yum': 'sudo yum install -y python27',
-		'brew': 'brew install python'
-	})
-
-	if not success:
-		could_not_install('Python 2.7')
-
-	# replace current python with python2.7
-	os.execvp('python2.7', ([] if is_sudo_user() else ['sudo']) + ['python2.7', __file__] + sys.argv[1:])
-
 def install_package(package):
 	package_exec = find_executable(package)
 
@@ -407,7 +385,7 @@ def parse_commandline_args():
 	parser.add_argument('--bench-name', dest='bench_name', help='Create bench with specified name. Default name is frappe-bench')
 
 	# Python interpreter to be used
-	parser.add_argument('--python', dest='python', default='python',
+	parser.add_argument('--python', dest='python', default='python3',
 		help=argparse.SUPPRESS
 	)
 
@@ -421,12 +399,6 @@ def parse_commandline_args():
 	return args
 
 if __name__ == '__main__':
-	try:
-		import argparse
-	except ImportError:
-		# install python2.7
-		install_python27()
-
 	args = parse_commandline_args()
 
 	install_bench(args)

playbooks/roles/bench/tasks/main.yml

@@ -34,8 +34,8 @@
       creates: "{{ bench_path }}"
     when: not bench_stat.stat.exists and not production
 
-  - name: python2 bench init for production
-    command: bench init {{ bench_path }} --frappe-path {{ frappe_repo_url }} --frappe-branch {{ frappe_branch }}
+  - name: python3 bench init for production
+    command: bench init {{ bench_path }} --frappe-path {{ frappe_repo_url }} --frappe-branch {{ frappe_branch }} --python {{ python }}
     args:
       creates: "{{ bench_path }}"
     when: not bench_stat.stat.exists and production

playbooks/roles/common/tasks/debian_family.yml

@@ -21,10 +21,9 @@
     - libffi-dev
     - ntp                     # Clock synchronization
     - postfix                 # Mail Server
-    - python-dev              # Installing python developer suite 
-    - python3-dev             # For python3 compatibility
+    - python3-dev             # Installing python developer suite
     - python-tk
-    - screen                  # To aid ssh sessions with connectivity problems 
+    - screen                  # To aid ssh sessions with connectivity problems
     - vim                     # Is that supposed to be a question!?
     - xfonts-75dpi
     - xfonts-base
@@ -34,7 +33,7 @@
     - libldap2-dev
     - libcups2-dev
     - pv                      # Show progress during database restore
-    
+
 - include_tasks: debian.yml
   when: ansible_distribution == 'Debian'
 

playbooks/roles/common/tasks/main.yml

@@ -1,5 +1,5 @@
 ---
-# Install's prerequisites, like fonts, image libraries, vim, screen, python-dev
+# Install's prerequisites, like fonts, image libraries, vim, screen, python3-dev
 
 - include_tasks: debian_family.yml
   when: ansible_os_family == 'Debian'

playbooks/roles/mariadb/tasks/debian.yml

@@ -27,6 +27,5 @@
     - mariadb-client
     - mariadb-common
     - libmariadbclient18
-    - python-mysqldb
     - python3-mysqldb
 ...

playbooks/roles/mariadb/tasks/mysql_secure_installation.yml

@@ -12,7 +12,7 @@
 # FLUSH PRIVILEGES;
 
 - name: Set root Password
-  mysql_user: login_password={{ mysql_root_password }} check_implicit_admin=yes name=root host={{ item }} password={{ mysql_root_password }} state=present 
+  mysql_user: login_password={{ mysql_root_password }} check_implicit_admin=yes name=root host={{ item }} password={{ mysql_root_password }} state=present
   with_items:
     - localhost
     - 127.0.0.1

playbooks/roles/mariadb/tasks/ubuntu-trusty.yml

@@ -23,5 +23,5 @@
     - libmariadbclient18
 
 - name: Install MySQLdb Python package for secure installations.
-  apt: pkg=python-mysqldb state=present
+  apt: pkg=python3-mysqldb state=present
   when: mysql_secure_installation and mysql_root_password is defined

playbooks/roles/mariadb/tasks/ubuntu-xenial_bionic.yml

@@ -23,5 +23,5 @@
     - libmariadbclient18
 
 - name: Install MySQLdb Python package for secure installations.
-  apt: pkg=python-mysqldb state=present
+  apt: pkg=python3-mysqldb state=present
   when: mysql_secure_installation and mysql_root_password is defined