django-dbtemplates/dbtemplates/management/commands/sync_templates.py

113 lines
5.4 KiB
Python

import os
import codecs
from optparse import make_option
from django.contrib.sites.models import Site
from django.core.management.base import CommandError, NoArgsCommand
from django.template.loaders.app_directories import app_template_dirs
from dbtemplates.conf import settings
from dbtemplates.models import Template
ALWAYS_ASK, FILES_TO_DATABASE, DATABASE_TO_FILES = ('0', '1', '2')
class Command(NoArgsCommand):
help = "Syncs file system templates with the database bidirectionally."
option_list = NoArgsCommand.option_list + (
make_option("-e", "--ext", dest="ext", action="store", default="html",
help="extension of the files you want to sync with the database "
"[default: %default]"),
make_option("-f", "--force", action="store_true", dest="force",
default=False, help="overwrite existing database templates"),
make_option("-o", "--overwrite", action="store", dest="overwrite",
default='0', help="'0' - ask always, '1' - overwrite database "
"templates from template files, '2' - overwrite template "
"files from database templates"),
make_option("-a", "--app-first", action="store_true", dest="app_first",
default=False, help="look for templates in applications "
"directories before project templates"),
make_option("-d", "--delete", action="store_true", dest="delete",
default=False, help="Delete templates after syncing"))
def handle_noargs(self, **options):
extension = options.get('ext')
force = options.get('force')
overwrite = options.get('overwrite')
app_first = options.get('app_first')
delete = options.get('delete')
if not extension.startswith("."):
extension = ".%s" % extension
try:
site = Site.objects.get_current()
except:
raise CommandError("Please make sure to have the sites contrib "
"app installed and setup with a site object")
if not type(settings.TEMPLATE_DIRS) in (tuple, list):
raise CommandError("Please make sure settings.TEMPLATE_DIRS is a "
"list or tuple.")
if app_first:
tpl_dirs = app_template_dirs + settings.TEMPLATE_DIRS
else:
tpl_dirs = settings.TEMPLATE_DIRS + app_template_dirs
templatedirs = [d for d in tpl_dirs if os.path.isdir(d)]
for templatedir in templatedirs:
for dirpath, subdirs, filenames in os.walk(templatedir):
for f in [f for f in filenames
if f.endswith(extension) and not f.startswith(".")]:
path = os.path.join(dirpath, f)
name = path.split(templatedir)[1]
if name.startswith('/'):
name = name[1:]
try:
t = Template.on_site.get(name__exact=name)
except Template.DoesNotExist:
if not force:
confirm = raw_input(
"\nA '%s' template doesn't exist in the "
"database.\nCreate it with '%s'?"
" (y/[n]): """ % (name, path))
if force or confirm.lower().startswith('y'):
t = Template(name=name,
content=codecs.open(path, "r").read())
t.save()
t.sites.add(site)
else:
while 1:
if overwrite == ALWAYS_ASK:
confirm = raw_input(
"\n%s exists in the database.\n"
"(1) Overwrite %s with '%s'\n"
"(2) Overwrite '%s' with %s\n"
"Type 1 or 2 or press <Enter> to skip: "
% (t.__repr__(),
t.__repr__(), path,
path, t.__repr__()))
else:
confirm = overwrite
if confirm in ('', FILES_TO_DATABASE,
DATABASE_TO_FILES):
if confirm == FILES_TO_DATABASE:
t.content = codecs.open(path, 'r').read()
t.save()
t.sites.add(site)
if delete:
try:
os.remove(path)
except OSError:
raise CommandError(
u"Couldn't delete %s" % path)
elif confirm == DATABASE_TO_FILES:
f = codecs.open(path, 'w', 'utf-8')
try:
f.write(t.content)
finally:
f.close()
if delete:
t.delete()
break