Modify installer script and cleanup;

- Add __init__.py
- Add templates dir to MANIFEST
- Add persistent store for project details
- Modify initial_data.json
- Fix imports

Conflicts:
	testapp/templates/demo_settings.py

3 files changed, 129 insertions, 0 deletions

diff --git a/testapp/scripts/__init__.py b/testapp/scripts/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/testapp/scripts/__init__.py
diff --git a/testapp/scripts/project_detail.py b/testapp/scripts/project_detail.py
new file mode 100644
index 0000000..583e9f4
--- /dev/null
+++ b/testapp/scripts/project_detail.py
@@ -0,0 +1,2 @@
+NAME = None
+PATH = None
diff --git a/testapp/scripts/vimarsh.py b/testapp/scripts/vimarsh.py
new file mode 100644
index 0000000..863193a
--- /dev/null
+++ b/testapp/scripts/vimarsh.py
@@ -0,0 +1,127 @@
+import subprocess
+import contextlib
+import os
+from os import path
+import argparse
+from django.conf import settings
+from django.core import management
+from django.template import Template, Context, loader
+
+from project_detail import NAME, PATH 
+
+CUR_DIR = os.getcwd()
+SCRIPT_DIR = os.path.abspath(os.path.dirname(__file__))
+PARENT_DIR = os.path.abspath(os.path.join(SCRIPT_DIR, os.pardir))
+TEMPLATE_DIR = path.join(PARENT_DIR, 'templates')
+
+def main():
+    #Parse command-line to obtain the arguments and/or options
+    help_msg = ("Enter the subcommand to be executed.\n"
+    "Available subcommands:\n"
+    " - create_demo <projectname> [destination-path]\n"
+    " - run_demo")
+
+    parser = argparse.ArgumentParser(prog="vimarsh", 
+                                        usage="vimarsh.py subcommand [args]",
+                                        formatter_class=argparse.RawTextHelpFormatter)
+    parser.add_argument("subcommand", type=str, nargs='+', help=help_msg)
+    args = parser.parse_args()
+
+    if args.subcommand[0] == "create_demo":
+        if len(args.subcommand) > 3 or len(args.subcommand) <= 1:
+            parser.print_help()
+        elif len(args.subcommand) == 3:
+            project_name = args.subcommand[1]
+            project_dir = args.subcommand[2]
+            create_demo(args.subcommand[1], args.subcommand[2])
+        else:
+            project_name = args.subcommand[1]
+            create_demo(args.subcommand[1])
+
+    elif args.subcommand[0] == "run_demo":
+        if len(args.subcommand) != 1:
+            parser.print_help()
+        else:
+            try:
+                run_demo(NAME, PATH)
+            except Exception, e:
+                if not NAME or not PATH:
+                    print "Error: Unable to find Project Name and Path variables\n"
+                else:
+                    print "Error: ", e, "\n"
+                parser.print_help()
+
+    else:
+        parser.print_help()
+
+
+def create_demo(project_name='vimarsh_demo', project_dir=None):
+    try:
+        management.call_command('startproject', project_name, project_dir)
+        print "Demo Django project '{0}' created at '{1}'"
+    except Exception, e:
+        print "Error: ", e, "\nExiting Vimarsh Installer"
+
+    if project_dir is None:
+        top_dir = path.join(os.getcwd(), project_name)
+    else:
+        top_dir = project_dir
+
+    project_path = path.join(top_dir, project_name)
+    # Store project details
+    _set_project_details(project_name, top_dir)
+
+    with _chdir(project_path):
+        root_urlconf = "{0}.{1}".format(project_name, 'demo_urls')
+        settings_template_path = path.join(TEMPLATE_DIR, 'demo_settings.py')
+        settings_target_path = path.join(project_path, 'demo_settings.py')
+        settings_context = Context({'project_name': project_name, # 'custom_apps': custom_apps, 
+                        'root_urlconf': root_urlconf})
+        urls_template_path = path.join(TEMPLATE_DIR, 'demo_urls.py')
+        urls_target_path = path.join(project_path, 'demo_urls.py')
+        command = ("python ../manage.py syncdb "
+                        "--noinput --settings={0}.demo_settings").format(project_name)
+
+        # Create demo_settings file
+        _render_demo_files(settings_template_path, settings_target_path, settings_context)
+        # Create demo_urls file 
+        _render_demo_files(urls_template_path, urls_target_path)
+        # Run syncdb
+        subprocess.call(command, shell=True)
+
+def run_demo(project_name, top_dir):
+    with _chdir(top_dir):
+        project_path = path.join(top_dir, 'manage.py')
+        command = ("python manage.py runserver "
+                        "--settings={0}.demo_settings").format(project_name)
+        subprocess.call(command, shell=True)
+
+def _set_project_details(project_name, top_dir):
+    file_path = path.join(SCRIPT_DIR, 'project_detail.py')
+    detail = "NAME ='{0}'\nPATH ='{1}'".format(project_name, top_dir)
+    with open(file_path, 'w') as data_store:
+        data_store.write(detail)
+
+def _render_demo_files(template_path, output_path, context=None):
+    with open(template_path, 'r') as template_file:
+        content = template_file.read()
+        if context:
+            content = content.decode('utf-8')
+            template = Template(content)
+            content = template.render(context)
+            content = content.encode('utf-8')
+
+    with open(output_path, 'w') as new_file:
+        new_file.write(content)
+
+@contextlib.contextmanager
+def _chdir(path):
+    starting_directory = os.getcwd()
+    try:
+        os.chdir(path)
+        yield
+    finally:
+        os.chdir(starting_directory)
+
+if __name__ == '__main__':
+    main()