def __init__(self, configpath, mapfile=None,fonts=None,home_html=None):
conf = SafeConfigParser()
conf.readfp(open(configpath))
# TODO - be able to supply in config as well
self.home_html = home_html
self.conf = conf
if fonts:
mapnik.register_fonts(fonts)
if mapfile:
wms_factory = BaseWMSFactory(configpath)
# TODO - add support for Cascadenik MML
wms_factory.loadXML(mapfile)
wms_factory.finalize()
self.mapfactory = wms_factory
else:
if not conf.has_option_with_value('server', 'module'):
raise ServerConfigurationError('The factory module is not defined in the configuration file.')
try:
mapfactorymodule = do_import(conf.get('server', 'module'))
except ImportError:
raise ServerConfigurationError('The factory module could not be loaded.')
if hasattr(mapfactorymodule, 'WMSFactory'):
self.mapfactory = getattr(mapfactorymodule, 'WMSFactory')()
else:
raise ServerConfigurationError('The factory module does not have a WMSFactory class.')
if conf.has_option('server', 'debug'):
self.debug = int(conf.get('server', 'debug'))
else:
self.debug = 0
if self.conf.has_option_with_value('server', 'maxage'):
self.max_age = 'max-age=%d' % self.conf.get('server', 'maxage')
else:
self.max_age = None
def test_encoding():
import os
from ogcserver.configparser import SafeConfigParser
from ogcserver.WMS import BaseWMSFactory
from ogcserver.wms111 import ServiceHandler as ServiceHandler111
from ogcserver.wms130 import ServiceHandler as ServiceHandler130
base_path, tail = os.path.split(__file__)
file_path = os.path.join(base_path, 'mapfile_encoding.xml')
wms = BaseWMSFactory()
wms.loadXML(file_path)
wms.finalize()
conf = SafeConfigParser()
conf.readfp(open(os.path.join(base_path, 'ogcserver.conf')))
wms111 = ServiceHandler111(conf, wms, "localhost")
response = wms111.GetCapabilities({})
# Check the response is encoded in UTF-8
# Search for the title in the response
if conf.get('service', 'title') not in response.content:
raise Exception('GetCapabilities is not correctly encoded')
wms130 = ServiceHandler130(conf, wms, "localhost")
wms130.GetCapabilities({})
return True
def test_url_background_color():
conf, services = _wms_services('mapfile_background-color.xml')
reqparams = {
'srs': 'EPSG:4326',
'bbox': '-180.0000,-90.0000,180.0000,90.0000',
'width': 800,
'height': 600,
'layers': '__all__',
'styles': '',
'format': 'image/png',
'bgcolor': '0x00FF00',
}
from ogcserver.WMS import ServiceHandlerFactory
mapfactory = BaseWMSFactory()
servicehandler = ServiceHandlerFactory(conf, mapfactory, '', '1.1.1')
ogcparams = servicehandler.processParameters('GetMap', reqparams)
ogcparams['crs'] = ogcparams['srs']
ogcparams['HTTP_USER_AGENT'] = 'unit_tests'
m = services['1.1.1']._buildMap(ogcparams)
print 'wms 1.1.1 backgound color: %s' % m.background
assert m.background == ColorFactory('rgb(0,255,0)')
m = services['1.3.0']._buildMap(ogcparams)
print 'wms 1.3.0 backgound color: %s' % m.background
assert m.background == ColorFactory('rgb(0,255,0)')
def __init__(self,
configpath,
mapfile,
fonts=None,
home_html=None,
**kwargs
):
BasePasteWSGIApp.__init__(self,
configpath,
font=fonts, home_html=home_html, **kwargs)
wms_factory = BaseWMSFactory(configpath)
wms_factory.loadXML(mapfile)
wms_factory.finalize()
self.mapfactory = wms_factory
def __init__(self, configpath, mapfile=None, fonts=None, home_html=None):
# 实例化 ConfigParser 并加载配置文件
conf = SafeConfigParser()
# 从配置文件读取并分析（分列）配置信息
conf.readfp(open(configpath))
# TODO - be able to supply in config as well
self.home_html = home_html
self.conf = conf
if fonts:
# 注册指定字体
mapnik.register_fonts(fonts)
if mapfile:
# 生成BaseWMSFactory实例
wms_factory = BaseWMSFactory(configpath)
# TODO - add support for Cascadenik MML
wms_factory.loadXML(mapfile)
wms_factory.finalize()
self.mapfactory = wms_factory
else:
# 阅读default.conf,有疑惑???
#
# 原default.conf文件中module未定义,需要使用要在default.conf中自行定义
if not conf.has_option_with_value('server', 'module'):
raise ServerConfigurationError(
'The factory module is not defined in the configuration file.'
)
# 导入指定module
try:
# get(section，option)，Get an option value for the named
# section.
mapfactorymodule = do_import(conf.get('server', 'module'))
except ImportError:
raise ServerConfigurationError(
'The factory module could not be loaded.')
if hasattr(mapfactorymodule, 'WMSFactory'):
# Get a named attribute from an object; getattr(x, 'y') is
# equivalent to x.y.
self.mapfactory = getattr(mapfactorymodule, 'WMSFactory')()
else:
raise ServerConfigurationError(
'The factory module does not have a WMSFactory class.')
if conf.has_option('server', 'debug'):
self.debug = int(conf.get('server', 'debug'))
else:
self.debug = 0
if self.conf.has_option_with_value('server', 'maxage'):
self.max_age = 'max-age=%d' % self.conf.get('server', 'maxage')
else:
self.max_age = None
def test_wms_capabilities():
base_path, tail = os.path.split(__file__)
file_path = os.path.join(base_path, 'mapfile_encoding.xml')
wms = BaseWMSFactory()
with open(file_path) as f:
settings = f.read()
wms.loadXML(xmlstring=settings, basepath=base_path)
wms.finalize()
if len(wms.layers) != 1:
raise Exception('Incorrect number of layers')
if len(wms.styles) != 1:
raise Exception('Incorrect number of styles')
return True
def ogcserver_constructor(self, content):
try:
wms_factory = BaseWMSFactory(self.ogc_configfile)
if os.path.isfile(content):
wms_factory.loadXML(xmlfile=content)
else:
wms_factory.loadXML(xmlstring=content) #for testing
wms_factory.finalize()
except:
self.logging(
0,
"ERROR: Content {} not init as Mapnik FILE".format(content)
)
else:
return wms_factory
def _wms_services(mapfile):
base_path, tail = os.path.split(__file__)
file_path = os.path.join(base_path, mapfile)
wms = BaseWMSFactory()
# Layer 'awkward-layer' contains a regular style named 'default', which will
# be hidden by OGCServer's auto-generated 'default' style. A warning message
# is written to sys.stderr in loadXML.
# Since we don't want to see this several times while unit testing (nose only
# redirects sys.stdout), we redirect sys.stderr here into a StringIO buffer
# temporarily.
# As a side effect, we can as well search for the warning message and fail the
# test, if it occurs zero or more than one times per loadXML invocation. However,
# this test highly depends on the warning message text.
stderr = sys.stderr
errbuf = StringIO.StringIO()
sys.stderr = errbuf
wms.loadXML(file_path)
sys.stderr = stderr
errbuf.seek(0)
warnings = 0
for line in errbuf:
if line.strip('\r\n') == multi_style_err_text:
warnings += 1
else:
sys.stderr.write(line)
errbuf.close()
if warnings == 0:
raise Exception(
'Expected warning message for layer \'awkward-layer\' not found in stderr stream.'
)
elif warnings > 1:
raise Exception(
'Expected warning message for layer \'awkward-layer\' occurred several times (%d) in stderr stream.'
% warnings)
wms.finalize()
conf = SafeConfigParser()
conf.readfp(open(os.path.join(base_path, 'ogcserver.conf')))
wms111 = ServiceHandler111(conf, wms, "localhost")
wms130 = ServiceHandler130(conf, wms, "localhost")
return (conf, {'1.1.1': wms111, '1.3.0': wms130})
def _wms_services(mapfile):
base_path, tail = os.path.split(__file__)
file_path = os.path.join(base_path, mapfile)
wms = BaseWMSFactory()
wms.loadXML(file_path)
wms.finalize()
conf = SafeConfigParser()
conf.readfp(open(os.path.join(base_path, 'ogcserver.conf')))
wms111 = ServiceHandler111(conf, wms, "localhost")
wms130 = ServiceHandler130(conf, wms, "localhost")
return (conf, {
'1.1.1': wms111,
'1.3.0': wms130
})
def _wms_capabilities():
base_path, tail = os.path.split(__file__)
file_path = os.path.join(base_path, 'mapfile_encoding.xml')
wms = BaseWMSFactory()
wms.loadXML(file_path)
wms.finalize()
conf = SafeConfigParser()
conf.readfp(open(os.path.join(base_path, 'ogcserver.conf')))
wms111 = ServiceHandler111(conf, wms, "localhost")
wms130 = ServiceHandler130(conf, wms, "localhost")
return (conf, {
'1.1.1': wms111.GetCapabilities({}),
'1.3.0': wms130.GetCapabilities({})
})
def ogcserver_constructor(self, content):
try:
wms_factory = BaseWMSFactory(self.ogc_configfile)
if os.path.isfile(content):
if isinstance(content, unicode):
mapnik_file = content.encode("utf-8")
else:
mapnik_file = content
wms_factory.loadXML(xmlfile=mapnik_file)
else:
wms_factory.loadXML(xmlstring=content) #for testing
wms_factory.finalize()
except Exception as err:
self.logging(
0, u"ERROR: Content {0} not init as Mapnik FILE\n{1}".format(
content,
err.__str__().decode("utf-8")))
else:
return wms_factory
def test_encoding():
import os
from ogcserver.configparser import SafeConfigParser
from ogcserver.WMS import BaseWMSFactory
from ogcserver.wms111 import ServiceHandler as ServiceHandler111
from ogcserver.wms130 import ServiceHandler as ServiceHandler130
base_path, tail = os.path.split(__file__)
file_path = os.path.join(base_path, 'shape_encoding.xml')
wms = BaseWMSFactory()
wms.loadXML(file_path)
wms.finalize()
conf = SafeConfigParser()
conf.readfp(open(os.path.join(base_path, 'ogcserver.conf')))
# srs = EPSG:4326
# 3.00 , 42,35 - 3.15 , 42.51
# x = 5 , y = 6
params = {}
params['srs'] = 'epsg:4326'
params['x'] = 5
params['y'] = 5
params['bbox'] = [3.00, 42.35, 3.15, 42.51]
params['height'] = 10
params['width'] = 10
params['layers'] = ['row']
params['styles'] = ''
params['query_layers'] = ['row']
for format in ['text/plain', 'text/xml']:
params['info_format'] = format
wms111 = ServiceHandler111(conf, wms, "localhost")
result = wms111.GetFeatureInfo(params)
wms130 = ServiceHandler130(conf, wms, "localhost")
wms130.GetCapabilities({})
return True
def test_wms_capabilities():
wms = BaseWMSFactory()
nose.tools.assert_raises(ServerConfigurationError, wms.loadXML)
return True
def test_map():
from ogcserver.WMS import ServiceHandlerFactory
reqparams = {
'srs': 'EPSG:4326',
'bbox': '-180.0000,-90.0000,180.0000,90.0000',
'width': 800,
'height': 600,
'layers': '__all__',
'styles': '',
'format': 'image/png',
}
def check_map_styles(version, no, layer, style_param, styles=None):
print 'GetMap %s: layer #%d \'%s\': STYLES=%s' % (version, no, layer,
style_param)
ogcparams['layers'] = layer.split(',')
ogcparams['styles'] = style_param.split(',')
# Parameter 'styles' contains the list of expected styles. If styles
# evaluates to False (e.g. None, Null), an invalid STYLE was provided
# and so, an OGCException 'StyleNotDefined' is expected.
try:
m = services[version]._buildMap(ogcparams)
except OGCException:
if not styles:
print ' style #0 \'invalid style\': OK (caught OGCException)'
print
return
raise Exception(
'GetMap %s: Expected OGCExecption for invalid style \'%s\' for layer #%d \'%s\' was not thrown.'
% (version, style_param, no, layer))
_check_style_lists('GetMap', version, no, layer, m.layers[0].styles,
styles)
print
conf, services = _wms_services('mapfile_styles.xml')
mapfactory = BaseWMSFactory()
servicehandler = ServiceHandlerFactory(conf, mapfactory, '', '1.1.1')
ogcparams = servicehandler.processParameters('GetMap', reqparams)
ogcparams['crs'] = ogcparams['srs']
ogcparams['HTTP_USER_AGENT'] = 'unit_tests'
for version in ['1.1.1', '1.3.0']:
check_map_styles(version, 1, 'single-style-layer', '',
['simple-style'])
check_map_styles(version, 1, 'single-style-layer', 'simple-style',
['simple-style'])
check_map_styles(version, 1, 'single-style-layer', 'default')
check_map_styles(version, 1, 'single-style-layer', 'invalid-style')
check_map_styles(version, 2, 'multi-style-layer', '',
['simple-style', 'another-style'])
check_map_styles(version, 2, 'multi-style-layer', 'default',
['simple-style', 'another-style'])
check_map_styles(version, 2, 'multi-style-layer', 'simple-style',
['simple-style'])
check_map_styles(version, 2, 'multi-style-layer', 'another-style',
['another-style'])
check_map_styles(version, 2, 'multi-style-layer', 'invalid-style')
check_map_styles(version, 3, 'awkward-layer', '',
['default', 'another-style'])
check_map_styles(version, 3, 'awkward-layer', 'default',
['default', 'another-style'])
check_map_styles(version, 3, 'awkward-layer', 'another-style',
['another-style'])
check_map_styles(version, 3, 'awkward-layer', 'invalid-style')
check_map_styles(version, 4, 'single-default-layer', '', ['default'])
check_map_styles(version, 4, 'single-default-layer', 'default',
['default'])
check_map_styles(version, 4, 'single-default-layer', 'invalid-style')
# Some 'manually' created error cases for testing error reporting
#check_map_styles(version, 2, 'multi-style-layer', 'default', ['simple-style', 'another-style', 'foo', 'bar'])
#check_map_styles(version, 2, 'multi-style-layer', 'default', ['simple-style'])
return True
