pep8

java-app-updater.py

@@ -1,19 +1,19 @@
 #!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
+# Copyright (C) 2017, Maxim Lihachev, <envrm@yandex.ru>
 #
-# Script for upgrading java/play application from git
+# This program is free software: you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by the Free
+# Software Foundation, version 3.
 #
-# (c) envrm
+# This program is distributed in the hope that it will be useful, but WITHOUT
-#
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-
+# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
-#Requirements
+# more details.
-#
-# CentOS: yum -y  install python-pip
-# Debian: apt-get install python-pip
-#
-# pip install configparser
 #
+# You should have received a copy of the GNU General Public License along with
+# this program. If not, see <https://www.gnu.org/licenses/>.
 
 import re
 import os
@@ -28,6 +28,7 @@ import configparser
 from string import Template
 from contextlib import contextmanager
 
+
 @contextmanager
 def if_needed():
     '''Execute with error ignoring'''
@@ -36,6 +37,7 @@ def if_needed():
     except:
         pass
 
+
 class Dir:
     '''Execute procedures in directory'''
     def __init__(self, directory):
@@ -48,7 +50,8 @@ class Dir:
     def __exit__(self, type, value, traceback):
         os.chdir(self.previous_dir)
 
-#-----------------------------------------------------------------------
+
+# ----------------------------------------------------------------------
 
 def readConfig(config_file):
     '''Loading configuration file'''
@@ -58,6 +61,7 @@ def readConfig(config_file):
     settings.read(config_file)
     return settings
 
+
 def opt(parameter):
     '''Getting parameters from file'''
     setting = parameter.split(":")
@@ -69,13 +73,15 @@ def opt(parameter):
 
     return Template(value).safe_substitute(**substr)
 
+
 def saveTimestamp(outfile, mode="a"):
     '''Saving timestamt to file'''
     with open(outfile, mode) as log:
         now = datetime.datetime.now()
         log.write(now.strftime("%Y-%m-%d %H:%M:%S\n"))
 
-#-----------------------------------------------------------------------
+
+# ----------------------------------------------------------------------
 
 def git(command, stand="develop"):
     '''Executing git command'''
@@ -84,6 +90,7 @@ def git(command, stand="develop"):
 
     return git_output
 
+
 def stop(stand="develop"):
     '''Stop service'''
     if os.path.isfile(opt(stand + ':pid')):
@@ -98,6 +105,7 @@ def stop(stand="develop"):
         os.remove(pid)
         print "#### Application stopped"
 
+
 def start(stand):
     '''Start service'''
     service_dir = opt(stand + ':path')
@@ -118,16 +126,19 @@ def start(stand):
             print return_code
             exit(1)
 
+
 def restart(stand="develop"):
     '''Restart service'''
     stop(stand)
     start(stand)
     saveTimestamp(opt(stand + ':restarts_log'))
 
+
 def clean_all():
     '''Remove artefacts'''
     os.system("rm -rfv " + opt('develop:targets'))
 
+
 def build(target="stand", modules=None):
     '''Build service. [stand|modules|all]'''
     play_cmd = opt(SERVICE + ':play') + " " + opt(SERVICE + ':sbt_config')
@@ -136,7 +147,7 @@ def build(target="stand", modules=None):
 
     if target == "modules" or target == "all":
         with Dir(opt('develop:modules_dir')):
-            if modules == None:
+            if modules is None:
                 modules = os.walk(".").next()[1]
 
             modules = filter(None, set(modules))
@@ -164,6 +175,7 @@ def build(target="stand", modules=None):
             if return_code != 0:
                 exit(1)
 
+
 def update_from_git():
     '''Update app with modules'''
     git('checkout ' + opt('build:git_branch'))
@@ -180,20 +192,23 @@ def update_from_git():
 
     build("all", modules)
 
+
 def copy_libs():
     '''Copy libraries'''
     with if_needed():
         shutil.rmtree(opt(SERVICE + ':class_path'))
     shutil.copytree(opt('develop:class_path'), opt(SERVICE + ':class_path'))
 
+
 def update():
     '''Update current service from repository'''
     saveTimestamp(opt('develop:restarts_log'))
     stop()
     update_from_git()
-    start()
+    start(SERVICE)
     saveTimestamp(opt('develop:update_log'), 'w')
 
+
 def upgrade():
     '''Update developing service from repository'''
     update_from_git()
@@ -204,7 +219,8 @@ def upgrade():
     start(SERVICE)
     saveTimestamp(opt(SERVICE + ':update_log'), 'w')
 
-#-----------------------------------------------------------------------
+
+# ----------------------------------------------------------------------
 
 def show_help():
     exe = os.path.basename(sys.argv[0])
@@ -220,6 +236,7 @@ def show_help():
     print "\n[service] can be one of «" + "», «".join(ast.literal_eval(opt('service:projects')).keys()) + "»."
     print "\nDefault value of [service] is", opt('service:default'), "\n"
 
+
 settings = []
 
 readConfig('config.ini')
@@ -262,4 +279,3 @@ if task:
     else:
         print "CMD:   " + sys.argv[arg_index]
         task()
-