Merge pull request #606 from frappe/clear-redis-cache

clear-redis-cache

bench/commands/__init__.py

@@ -9,7 +9,7 @@ from datetime import datetime
 from bench.utils import which, exec_cmd
 
 log = logging.getLogger(__name__)
-log.setLevel(logging.ERROR)
+log.setLevel(logging.DEBUG)
 
 def print_bench_version(ctx, param, value):
 	"""Prints current bench version"""
@@ -82,6 +82,12 @@ bench_command.add_command(remote_urls)
 from bench.commands.install import install
 bench_command.add_command(install)
 
+from bench.config.common_site_config import get_config
+try:
+	from urlparse 	  import urlparse
+except ImportError:
+	from urllib.parse import urlparse
+
 @click.command('migrate-env')
 @click.argument('python', type = str)
 @click.option('--no-backup', default = False, help = 'Do not backup the existing Virtual Environment')
@@ -89,6 +95,20 @@ def migrate_env(python, no_backup = False):
 	"""
 	Migrate Virtual Environment to desired Python Version.
 	"""
+	# Clear Cache before Bench Dies.
+	config = get_config(bench_path = os.getcwd())
+	rredis = urlparse(config['redis_cache'])
+
+	redis  = '{redis} -p {port}'.format(
+		redis = which('redis-cli'),
+		port  = rredis.port
+	)
+
+	log.debug('Clearing Redis Cache...')
+	exec_cmd('{redis} FLUSHALL'.format(redis = redis))
+	log.debug('Clearing Redis DataBase...')
+	exec_cmd('{redis} FLUSHDB'.format(redis = redis))
+
 	try:
 		# This is with the assumption that a bench is set-up within path.
 		path       = os.getcwd()
@@ -111,6 +131,7 @@ def migrate_env(python, no_backup = False):
 
 			# WARNING: This is an archive, you might have to use virtualenv --relocate
 			# That's because virtualenv creates symlinks with shebangs pointing to executables.
+			# shebangs, shebangs - ricky martin.
 
 			# ...and shutil.copytree is a f*cking mess.
 			os.rename(source, dest)