# coding=utf-8
import os
from django.core.management.base import CommandError
from django.core.management.color import color_style
from django.template.loader import get_template
from django_extensions.compat import add_to_builtins_compat
from django_extensions.management.utils import signalcommand
from django_extensions.utils import validatingtemplatetags
from django_extensions.compat import CompatibilityBaseCommand as BaseCommand
#
# TODO: Render the template with fake request object ?
#
class Command(BaseCommand):
args = ''
help = "Validate templates on syntax and compile errors"
def add_arguments(self, parser):
parser.add_argument(
'--break', '-b', action='store_true', dest='break',
default=False, help="Break on first error.")
parser.add_argument(
'--check-urls', '-u', action='store_true', dest='check_urls',
default=False, help="Check url tag view names are quoted "
"appropriately")
parser.add_argument(
'--force-new-urls', '-n', action='store_true',
dest='force_new_urls',
default=False, help="Error on usage of old style url tags "
"(without {% load urls from future %}")
parser.add_argument(
'--include', '-i', action='append', dest='includes',
default=[], help="Append these paths to TEMPLATE_DIRS")
@signalcommand
def handle(self, *args, **options):
from django.conf import settings
style = color_style()
template_dirs = set(settings.TEMPLATE_DIRS)
template_dirs |= set(options.get('includes', []))
template_dirs |= set(getattr(settings, 'VALIDATE_TEMPLATES_EXTRA_TEMPLATE_DIRS', []))
# Load in Templates from 1.8
if hasattr(settings, 'TEMPLATES'):
for template_engine in settings.TEMPLATES:
if 'DIRS' in template_engine:
template_dirs |= set(template_engine['DIRS'])
settings.TEMPLATE_DIRS = list(template_dirs)
settings.TEMPLATE_DEBUG = True
verbosity = int(options.get('verbosity', 1))
errors = 0
# Replace built in template tags with our own validating versions
if options.get('check_urls', False):
add_to_builtins_compat(
'django_extensions.utils.validatingtemplatetags')
for template_dir in template_dirs:
for root, dirs, filenames in os.walk(template_dir):
for filename in filenames:
if filename.endswith(".swp"):
continue
if filename.endswith("~"):
continue
filepath = os.path.join(root, filename)
if verbosity > 1:
print(filepath)
validatingtemplatetags.before_new_template(options.get('force_new_urls', False))
try:
get_template(filename, [root])
except Exception as e:
errors += 1
print("%s: %s" % (filepath, style.ERROR("%s %s" % (e.__class__.__name__, str(e)))))
template_errors = validatingtemplatetags.get_template_errors()
for origin, line, message in template_errors:
errors += 1
print("%s(%s): %s" % (origin, line, style.ERROR(message)))
if errors and options.get('break', False):
raise CommandError("Errors found")
if errors:
raise CommandError("%s errors found" % errors)
print("%s errors found" % errors)