def export_library(library, library_rules):
dir_path = tempfile.mkdtemp(suffix='', prefix='tmp-library-')
resource_path = dir_path + "/resources/"
os.makedirs(resource_path)
i = 0
for library_rule in library_rules:
try:
file = open(
dir_path + "/symbol-" + library_rule.rule.name + "-" + str(i) +
".sld", 'w+')
file.write(sld_builder.build_library_symbol(library_rule.rule))
file.close()
sld_utils.copy_resources(library_rule.rule, resource_path)
except Exception as e:
raise e
i = i + 1
buffer = StringIO.StringIO()
z = zipfile.ZipFile(buffer, "w")
relroot = dir_path
for root, dirs, files in os.walk(dir_path):
rel_path = os.path.relpath(root, relroot)
if rel_path != ".":
z.write(root, os.path.relpath(root, relroot))
for file in files:
filename = os.path.join(root, file)
if os.path.isfile(filename):
arcname = os.path.join(os.path.relpath(root, relroot), file)
z.write(filename, arcname)
z.close()
buffer.seek(0)
response = HttpResponse(content_type='application/zip; charset=utf-8')
response[
'Content-Disposition'] = 'attachment; filename=' + library.name + '.zip'
response.write(buffer.read())
utils.__delete_temporaries(dir_path)
return response
def clone_style(mapservice, layer, original_style_name, cloned_style_name):
exists_cloned_style = False
try:
original_style = Style.objects.filter(
name__exact=original_style_name)[0]
except Exception as e:
print str(e)
return False
try:
style = Style.objects.filter(name__exact=cloned_style_name)[0]
exists_cloned_style = True
except Exception as e:
print "DEBUG: Problem getting style .." + cloned_style_name
print str(e)
if exists_cloned_style:
print "DEBUG: Exists cloned style .." + cloned_style_name
rule = Rule.objects.filter(style=style)[0]
symbolizers_to_delete = Symbolizer.objects.filter(rule=rule)
for i in symbolizers_to_delete:
i.delete()
else:
print "DEBUG: Not existe cloned style .." + cloned_style_name
style = Style(name=cloned_style_name,
title=original_style_name,
is_default=True,
type='US')
style.save()
style_layer = StyleLayer(style=style, layer=layer)
style_layer.save()
rule = Rule(style=style,
name='Default symbol',
title=original_style_name,
abstract='',
filter=str(""),
minscale=-1,
maxscale=-1,
order=0)
rule.save()
original_rules = Rule.objects.filter(
style=original_style).order_by('order')
for original_rule in original_rules:
original_symbolizers = Symbolizer.objects.filter(rule=original_rule)
for original_symbolizer in original_symbolizers:
if hasattr(original_symbolizer, 'externalgraphicsymbolizer'):
symbolizer = ExternalGraphicSymbolizer(
rule=rule,
order=original_symbolizer.externalgraphicsymbolizer.order,
opacity=original_symbolizer.externalgraphicsymbolizer.
opacity,
size=original_symbolizer.externalgraphicsymbolizer.size,
rotation=original_symbolizer.externalgraphicsymbolizer.
rotation,
online_resource=original_symbolizer.
externalgraphicsymbolizer.online_resource,
format=original_symbolizer.externalgraphicsymbolizer.
format,
)
symbolizer.save()
elif hasattr(original_symbolizer, 'polygonsymbolizer'):
symbolizer = PolygonSymbolizer(
rule=rule,
order=original_symbolizer.polygonsymbolizer.order,
fill=original_symbolizer.polygonsymbolizer.fill,
fill_opacity=original_symbolizer.polygonsymbolizer.
fill_opacity,
stroke=original_symbolizer.polygonsymbolizer.stroke,
stroke_width=original_symbolizer.polygonsymbolizer.
stroke_width,
stroke_opacity=original_symbolizer.polygonsymbolizer.
stroke_opacity,
stroke_dash_array=original_symbolizer.polygonsymbolizer.
stroke_dash_array)
symbolizer.save()
elif hasattr(original_symbolizer, 'linesymbolizer'):
symbolizer = LineSymbolizer(
rule=rule,
order=original_symbolizer.linesymbolizer.order,
stroke=original_symbolizer.linesymbolizer.stroke,
stroke_width=original_symbolizer.linesymbolizer.
stroke_width,
stroke_opacity=original_symbolizer.linesymbolizer.
stroke_opacity,
stroke_dash_array=original_symbolizer.linesymbolizer.
stroke_dash_array)
symbolizer.save()
elif hasattr(original_symbolizer, 'marksymbolizer'):
symbolizer = MarkSymbolizer(
rule=rule,
order=original_symbolizer.marksymbolizer.order,
opacity=original_symbolizer.marksymbolizer.opacity,
size=original_symbolizer.marksymbolizer.size,
rotation=original_symbolizer.marksymbolizer.rotation,
well_known_name=original_symbolizer.marksymbolizer.
well_known_name,
fill=original_symbolizer.marksymbolizer.fill,
fill_opacity=original_symbolizer.marksymbolizer.
fill_opacity,
stroke=original_symbolizer.marksymbolizer.stroke,
stroke_width=original_symbolizer.marksymbolizer.
stroke_width,
stroke_opacity=original_symbolizer.marksymbolizer.
stroke_opacity,
stroke_dash_array=original_symbolizer.marksymbolizer.
stroke_dash_array)
symbolizer.save()
sld_body = sld_builder.build_library_symbol(rule)
s = mapservice.getStyle(style.name)
if s is None:
print "DEBUG: style not exists in Geoserver .. " + style.name
if mapservice.createStyle(style.name, sld_body):
mapservice.setLayerStyle(layer, cloned_style_name,
style.is_default)
else:
"DEBUG: problem creating style !!!!!" + style.name
else:
print "DEBUG: Style exists in Geoserver .. " + style.name
if not mapservice.createStyle(cloned_style_name, sld_body):
mapservice.updateStyle(layer, cloned_style_name, sld_body)
mapservice.setLayerStyle(layer, cloned_style_name, style.is_default)
return True
def add_symbol(request, json_rule, library_id, symbol_type):
gs = geographic_servers.get_instance().get_default_server()
name = json_rule.get('name')
title = json_rule.get('title')
if _valid_name_regex.search(name) == None:
raise InvalidValue(
-1,
_("Invalid name: '{value}'. Name should not contain any special characters"
).format(value=name))
#if _valid_title_regex.search(title) == None:
# raise InvalidValue(-1, _("Invalid title: '{value}'. Title should not contain any special characters").format(value=title))
style = Style(name=name, title=title, is_default=False, type="US")
style.save()
rule = Rule(style=style,
name=name,
title=title,
abstract="",
filter=str(""),
minscale=json_rule.get('minscale'),
maxscale=json_rule.get('maxscale'),
order=json_rule.get('order'))
rule.save()
library = Library.objects.get(id=int(library_id))
library_rule = LibraryRule(library=library, rule=rule)
library_rule.save()
symbs = json_rule.get('symbolizers')
for sym in symbs:
json_sym = json.loads(sym.get('json'))
if symbol_type == 'ExternalGraphicSymbolizer':
library_path = utils.check_library_path(library)
file_name = name + '.png'
if utils.save_external_graphic(library_path,
request.FILES['eg-file'],
file_name):
online_resource = utils.get_online_resource(library, file_name)
json_sym['online_resource'] = json_sym[
'online_resource'].replace("online_resource_replace",
online_resource)
symbolizer = ExternalGraphicSymbolizer(
rule=rule,
order=json_rule.get('order'),
opacity=json_sym.get('opacity'),
size=json_sym.get('size'),
rotation=json_sym.get('rotation'),
online_resource=json_sym.get('online_resource'),
format=json_sym.get('format'))
symbolizer.save()
if symbol_type == 'PolygonSymbolizer':
symbolizer = PolygonSymbolizer(
rule=rule,
order=json_sym.get('order'),
fill=json_sym.get('fill'),
fill_opacity=json_sym.get('fill_opacity'),
stroke=json_sym.get('stroke'),
stroke_width=json_sym.get('stroke_width'),
stroke_opacity=json_sym.get('stroke_opacity'),
stroke_dash_array=json_sym.get('stroke_dash_array'))
symbolizer.save()
elif symbol_type == 'LineSymbolizer':
symbolizer = LineSymbolizer(
rule=rule,
order=json_sym.get('order'),
stroke=json_sym.get('stroke'),
stroke_width=json_sym.get('stroke_width'),
stroke_opacity=json_sym.get('stroke_opacity'),
stroke_dash_array=json_sym.get('stroke_dash_array'))
symbolizer.save()
elif symbol_type == 'MarkSymbolizer' or symbol_type == 'PointSymbolizer':
symbolizer = MarkSymbolizer(
rule=rule,
order=json_sym.get('order'),
opacity=json_sym.get('opacity'),
size=json_sym.get('size'),
rotation=json_sym.get('rotation'),
well_known_name=json_sym.get('well_known_name'),
fill=json_sym.get('fill'),
fill_opacity=json_sym.get('fill_opacity'),
stroke=json_sym.get('stroke'),
stroke_width=json_sym.get('stroke_width'),
stroke_opacity=json_sym.get('stroke_opacity'),
stroke_dash_array=json_sym.get('stroke_dash_array'))
symbolizer.save()
sld_body = sld_builder.build_library_symbol(rule)
if gs.createStyle(style.name, sld_body):
return True
else:
gs.updateStyle(None, style.name, sld_body)
return True
def update_symbol(request, json_rule, rule, library_rule):
try:
gs = geographic_servers.get_instance().get_default_server()
name = json_rule.get('name')
title = json_rule.get('title')
#if _valid_title_regex.search(title) == None:
# raise InvalidValue(-1, _("Invalid title: '{value}'. Title should not contain any special characters").format(value=title))
rule.title = title
rule.save()
symbol_type = None
eg_file = None
if 'eg-file' in request.FILES:
file_name = json_rule.get('file_name').split('/')[-1]
eg_file = request.FILES['eg-file']
for s in Symbolizer.objects.filter(rule=rule):
if get_ftype(s) == 'ExternalGraphicSymbolizer':
symbol_type = get_ftype(s)
if eg_file is not None:
utils.delete_external_graphic_img(library_rule.library,
file_name)
s.delete()
for sym in json_rule.get('symbolizers'):
json_sym = json.loads(sym.get('json'))
if json_sym.get('type') == 'ExternalGraphicSymbolizer':
library_path = utils.check_library_path(library_rule.library)
file_name = name + '.png'
if eg_file is not None:
if utils.save_external_graphic(library_path, eg_file,
file_name):
online_resource = utils.get_online_resource(
library_rule.library, file_name)
json_sym['online_resource'] = json_sym[
'online_resource'].replace(
"online_resource_replace", online_resource)
symbolizer = ExternalGraphicSymbolizer(
rule=rule,
order=json_rule.get('order'),
opacity=json_sym.get('opacity'),
size=json_sym.get('size'),
rotation=json_sym.get('rotation'),
online_resource=json_sym.get('online_resource'),
format=json_sym.get('format'))
symbolizer.save()
if json_sym.get('type') == 'PolygonSymbolizer':
symbolizer = PolygonSymbolizer(
rule=rule,
order=json_sym.get('order'),
fill=json_sym.get('fill'),
fill_opacity=json_sym.get('fill_opacity'),
stroke=json_sym.get('stroke'),
stroke_width=json_sym.get('stroke_width'),
stroke_opacity=json_sym.get('stroke_opacity'),
stroke_dash_array=json_sym.get('stroke_dash_array'))
symbolizer.save()
elif json_sym.get('type') == 'LineSymbolizer':
symbolizer = LineSymbolizer(
rule=rule,
order=json_sym.get('order'),
stroke=json_sym.get('stroke'),
stroke_width=json_sym.get('stroke_width'),
stroke_opacity=json_sym.get('stroke_opacity'),
stroke_dash_array=json_sym.get('stroke_dash_array'))
symbolizer.save()
elif json_sym.get('type') == 'MarkSymbolizer':
symbolizer = MarkSymbolizer(
rule=rule,
order=json_sym.get('order'),
opacity=json_sym.get('opacity'),
size=json_sym.get('size'),
rotation=json_sym.get('rotation'),
well_known_name=json_sym.get('well_known_name'),
fill=json_sym.get('fill'),
fill_opacity=json_sym.get('fill_opacity'),
stroke=json_sym.get('stroke'),
stroke_width=json_sym.get('stroke_width'),
stroke_opacity=json_sym.get('stroke_opacity'),
stroke_dash_array=json_sym.get('stroke_dash_array'))
symbolizer.save()
style = Style.objects.get(id=rule.style.id)
if gs.deleteStyle(style.name):
sld_body = sld_builder.build_library_symbol(rule)
if not gs.createStyle(style.name, sld_body):
return False
return True
except Exception as e:
raise e