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rendermap: scale option

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Laura Klünder 2017-12-08 14:49:53 +01:00
parent 20543ce8a0
commit 65917be3e0
1 changed files with 15 additions and 1 deletions
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16
src/c3nav/mapdata/management/commands/rendermap.py
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@ -49,6 +49,18 @@ class Command(BaseCommand):
return permissions return permissions
@staticmethod
def scale_value(value):
try:
value = float(value)
except (ValueError, TypeError):
raise argparse.ArgumentTypeError(_('Invalid zoom'))
if not (1 <= value <= 32):
raise argparse.ArgumentTypeError(_('Zoom has to be between 1 and 32'))
return value
def add_arguments(self, parser): def add_arguments(self, parser):
parser.add_argument('filetype', type=str, choices=get_engine_filetypes(), parser.add_argument('filetype', type=str, choices=get_engine_filetypes(),
help=_('filetype to render')) help=_('filetype to render'))
@ -60,12 +72,14 @@ class Command(BaseCommand):
help=_('render all levels completely')) help=_('render all levels completely'))
parser.add_argument('--no-center', action='store_const', const=True, default=False, parser.add_argument('--no-center', action='store_const', const=True, default=False,
help=_('do not center the output')) help=_('do not center the output'))
parser.add_argument('--scale', default=1, type=self.scale_value,
help=_('scale (from 1 to 32), only relevant for image renderers'))
def handle(self, *args, **options): def handle(self, *args, **options):
(minx, miny), (maxx, maxy) = Source.max_bounds() (minx, miny), (maxx, maxy) = Source.max_bounds()
for level in options['levels']: for level in options['levels']:
renderer = MapRenderer(level.pk, minx, miny, maxx, maxy, access_permissions=options['permissions'], renderer = MapRenderer(level.pk, minx, miny, maxx, maxy, access_permissions=options['permissions'],
full_levels=options['full_levels']) scale=options['scale'], full_levels=options['full_levels'])
filename = os.path.join(settings.RENDER_ROOT, filename = os.path.join(settings.RENDER_ROOT,
'level_%s.%s' % (level.short_label, options['filetype'])) 'level_%s.%s' % (level.short_label, options['filetype']))