convert to unix line endings
This commit is contained in:
Dane Springmeyer
parent
75d5e1c9e1
commit
da9640c39d
3 changed files with 580 additions and 580 deletions
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@ -1,459 +1,459 @@
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#
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# This file is part of Mapnik (c++ mapping toolkit)
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#
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# Copyright (C) 2006 Jean-Francois Doyon
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#
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# Mapnik is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#
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# $Id$
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from exceptions import OGCException, ServerConfigurationError
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from mapnik import Map, Color, Envelope, render, Image, Projection as MapnikProjection, render_to_file, Coord
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from PIL.Image import fromstring, new
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from PIL.ImageDraw import Draw
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from StringIO import StringIO
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from copy import deepcopy
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from traceback import format_exception, format_exception_only
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from sys import exc_info
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from lxml import etree as ElementTree
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import re
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import sys
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# from elementtree import ElementTree
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# ElementTree._namespace_map.update({'http://www.opengis.net/wms': 'wms',
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# 'http://www.opengis.net/ogc': 'ogc',
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# 'http://www.w3.org/1999/xlink': 'xlink',
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# 'http://www.w3.org/2001/XMLSchema-instance': 'xsi'
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# })
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PIL_TYPE_MAPPING = {'image/jpeg': 'jpeg', 'image/png': 'png'}
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class ParameterDefinition:
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def __init__(self, mandatory, cast, default=None, allowedvalues=None, fallback=False):
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""" An OGC request parameter definition. Used to describe a
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parameter's characteristics.
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@param mandatory: Is this parameter required by the request?
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@type mandatory: Boolean.
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@param default: Default value to use if one is not provided
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and the parameter is optional.
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@type default: None or any valid value.
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@param allowedvalues: A list of allowed values for the parameter.
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If a value is provided that is not in this
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list, an error is raised.
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@type allowedvalues: A python tuple of values.
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@param fallback: Whether the value of the parameter should fall
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back to the default should an illegal value be
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provided.
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@type fallback: Boolean.
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@return: A L{ParameterDefinition} instance.
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"""
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if mandatory not in [True, False]:
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raise ServerConfigurationError("Bad value for 'mandatory' parameter, must be True or False.")
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self.mandatory = mandatory
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if not callable(cast):
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raise ServerConfigurationError('Cast parameter definition must be callable.')
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self.cast = cast
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self.default = default
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if allowedvalues and type(allowedvalues) != type(()):
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raise ServerConfigurationError("Bad value for 'allowedvalues' parameter, must be a tuple.")
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self.allowedvalues = allowedvalues
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if fallback not in [True, False]:
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raise ServerConfigurationError("Bad value for 'fallback' parameter, must be True or False.")
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self.fallback = fallback
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class BaseServiceHandler:
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CONF_CONTACT_PERSON_PRIMARY = [
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['contactperson', 'ContactPerson', str],
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['contactorganization', 'ContactOrganization', str]
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]
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CONF_CONTACT_ADDRESS = [
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['addresstype', 'AddressType', str],
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['address', 'Address', str],
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['city', 'City', str],
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['stateorprovince', 'StateOrProvince', str],
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['postcode', 'PostCode', str],
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['country', 'Country', str]
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]
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CONF_CONTACT = [
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['contactposition', 'ContactPosition', str],
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['contactvoicetelephone', 'ContactVoiceTelephone', str],
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['contactelectronicmailaddress', 'ContactElectronicMailAddress', str]
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]
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def processParameters(self, requestname, params):
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finalparams = {}
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for paramname, paramdef in self.SERVICE_PARAMS[requestname].items():
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if paramname not in params.keys() and paramdef.mandatory:
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raise OGCException('Mandatory parameter "%s" missing from request.' % paramname)
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elif paramname in params.keys():
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try:
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params[paramname] = paramdef.cast(params[paramname])
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except OGCException:
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raise
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except:
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raise OGCException('Invalid value "%s" for parameter "%s".' % (params[paramname], paramname))
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if paramdef.allowedvalues and params[paramname] not in paramdef.allowedvalues:
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if not paramdef.fallback:
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raise OGCException('Parameter "%s" has an illegal value.' % paramname)
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else:
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finalparams[paramname] = paramdef.default
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else:
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finalparams[paramname] = params[paramname]
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elif not paramdef.mandatory and paramdef.default:
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finalparams[paramname] = paramdef.default
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return finalparams
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def processServiceCapabilities(self, capetree):
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if len(self.conf.items('service')) > 0:
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servicee = capetree.find('{http://www.opengis.net/wms}Service')
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for item in self.CONF_SERVICE:
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if self.conf.has_option_with_value('service', item[0]):
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value = self.conf.get('service', item[0]).strip()
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try:
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item[2](value)
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except:
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raise ServerConfigurationError('Configuration parameter [%s]->%s has an invalid value: %s.' % ('service', item[0], value))
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if item[0] == 'onlineresource':
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element = ElementTree.Element('%s' % item[1])
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servicee.append(element)
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element.set('{http://www.w3.org/1999/xlink}href', value)
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element.set('{http://www.w3.org/1999/xlink}type', 'simple')
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elif item[0] == 'keywordlist':
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element = ElementTree.Element('%s' % item[1])
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servicee.append(element)
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keywords = value.split(',')
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keywords = map(str.strip, keywords)
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for keyword in keywords:
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kelement = ElementTree.Element('Keyword')
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kelement.text = keyword
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element.append(kelement)
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else:
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element = ElementTree.Element('%s' % item[1])
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element.text = value
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servicee.append(element)
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if len(self.conf.items_with_value('contact')) > 0:
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element = ElementTree.Element('ContactInformation')
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servicee.append(element)
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for item in self.CONF_CONTACT:
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if self.conf.has_option_with_value('contact', item[0]):
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value = self.conf.get('contact', item[0]).strip()
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try:
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item[2](value)
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except:
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raise ServerConfigurationError('Configuration parameter [%s]->%s has an invalid value: %s.' % ('service', item[0], value))
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celement = ElementTree.Element('%s' % item[1])
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celement.text = value
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element.append(celement)
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for item in self.CONF_CONTACT_PERSON_PRIMARY + self.CONF_CONTACT_ADDRESS:
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if item in self.CONF_CONTACT_PERSON_PRIMARY:
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tagname = 'ContactPersonPrimary'
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else:
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tagname = 'ContactAddress'
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if self.conf.has_option_with_value('contact', item[0]):
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if element.find(tagname) == None:
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subelement = ElementTree.Element(tagname)
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element.append(subelement)
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value = self.conf.get('contact', item[0]).strip()
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try:
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item[2](value)
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except:
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raise ServerConfigurationError('Configuration parameter [%s]->%s has an invalid value: %s.' % ('service', item[0], value))
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celement = ElementTree.Element('%s' % item[1])
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celement.text = value
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subelement.append(celement)
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class Response:
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def __init__(self, content_type, content):
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self.content_type = content_type
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self.content = content
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class Version:
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def __init__(self, version):
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version = version.split('.')
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if len(version) != 3:
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raise OGCException('Badly formatted version number.')
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try:
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version = map(int, version)
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except:
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raise OGCException('Badly formatted version number.')
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self.version = version
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def __repr__(self):
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return '%s.%s.%s' % (self.version[0], self.version[1], self.version[2])
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def __cmp__(self, other):
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if isinstance(other, str):
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other = Version(other)
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if self.version[0] < other.version[0]:
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return -1
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elif self.version[0] > other.version[0]:
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return 1
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else:
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if self.version[1] < other.version[1]:
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return -1
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elif self.version[1] > other.version[1]:
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return 1
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else:
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if self.version[2] < other.version[2]:
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return -1
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elif self.version[2] > other.version[2]:
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return 1
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else:
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return 0
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class ListFactory:
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def __init__(self, cast):
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self.cast = cast
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def __call__(self, string):
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seq = string.split(',')
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return map(self.cast, seq)
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def ColorFactory(colorstring):
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if re.match('^0x[a-fA-F0-9]{6}$', colorstring):
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return Color(eval('0x' + colorstring[2:4]), eval('0x' + colorstring[4:6]), eval('0x' + colorstring[6:8]))
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else:
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raise OGCException('Invalid color value. Must be of format "0xFFFFFF".')
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class CRS:
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def __init__(self, namespace, code):
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self.namespace = namespace.lower()
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self.code = int(code)
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self.proj = None
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def __repr__(self):
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return '%s:%s' % (self.namespace, self.code)
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def __eq__(self, other):
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if str(other) == str(self):
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return True
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return False
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def inverse(self, x, y):
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if not self.proj:
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self.proj = Projection('+init=%s:%s' % (self.namespace, self.code))
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return self.proj.inverse(Coord(x, y))
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def forward(self, x, y):
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if not self.proj:
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self.proj = Projection('+init=%s:%s' % (self.namespace, self.code))
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return self.proj.forward(Coord(x, y))
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class CRSFactory:
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def __init__(self, allowednamespaces):
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self.allowednamespaces = allowednamespaces
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def __call__(self, crsstring):
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if not re.match('^[A-Z]{3,5}:\d+$', crsstring):
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raise OGCException('Invalid format for the CRS parameter: %s' % crsstring, 'InvalidCRS')
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crsparts = crsstring.split(':')
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if crsparts[0] in self.allowednamespaces:
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return CRS(crsparts[0], crsparts[1])
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else:
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raise OGCException('Invalid CRS Namespace: %s' % crsparts[0], 'InvalidCRS')
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class WMSBaseServiceHandler(BaseServiceHandler):
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def GetMap(self, params):
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m = self._buildMap(params)
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im = Image(params['width'], params['height'])
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render(m, im)
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return Response(params['format'], im.tostring(PIL_TYPE_MAPPING[params['format']]))
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def GetFeatureInfo(self, params, querymethodname='query_point'):
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m = self._buildMap(params)
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if params['info_format'] == 'text/plain':
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writer = TextFeatureInfo()
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elif params['info_format'] == 'text/xml':
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writer = XMLFeatureInfo()
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for layerindex, layername in enumerate(params['query_layers']):
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if layername in params['layers']:
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if m.layers[layerindex].queryable:
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features = getattr(m, querymethodname)(layerindex, params['i'], params['j'])
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if features:
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writer.addlayer(m.layers[layerindex].name)
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for feature in features:
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writer.addfeature()
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for prop in feature.properties:
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writer.addattribute(prop.key(), prop.data())
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else:
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raise OGCException('Requested query layer "%s" is not marked queryable.' % layername, 'LayerNotQueryable')
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else:
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raise OGCException('Requested query layer "%s" not in the LAYERS parameter.' % layername)
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return Response(params['info_format'], str(writer))
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def _buildMap(self, params):
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if str(params['crs']) not in self.allowedepsgcodes:
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raise OGCException('Unsupported CRS "%s" requested.' % str(params['crs']).upper(), 'InvalidCRS')
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if params['bbox'][0] >= params['bbox'][2]:
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raise OGCException("BBOX values don't make sense. minx is greater than maxx.")
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if params['bbox'][1] >= params['bbox'][3]:
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raise OGCException("BBOX values don't make sense. miny is greater than maxy.")
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if params.has_key('styles') and len(params['styles']) != len(params['layers']):
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raise OGCException('STYLES length does not match LAYERS length.')
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m = Map(params['width'], params['height'], '+init=%s' % params['crs'])
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if params.has_key('transparent') and params['transparent'] == 'FALSE':
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m.background = params['bgcolor']
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else:
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m.background = Color(0, 0, 0, 0)
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maplayers = self.mapfactory.layers
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mapstyles = self.mapfactory.styles
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mapaggregatestyles = self.mapfactory.aggregatestyles
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for layerindex, layername in enumerate(params['layers']):
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try:
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layer = maplayers[layername]
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except KeyError:
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raise OGCException('Layer "%s" not defined.' % layername, 'LayerNotDefined')
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reqstyle = params['styles'][layerindex]
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if reqstyle and reqstyle not in layer.wmsextrastyles:
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raise OGCException('Invalid style "%s" requested for layer "%s".' % (reqstyle, layername), 'StyleNotDefined')
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if not reqstyle:
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reqstyle = layer.wmsdefaultstyle
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if reqstyle in mapaggregatestyles.keys():
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for stylename in mapaggregatestyles[reqstyle]:
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layer.styles.append(stylename)
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else:
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layer.styles.append(reqstyle)
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for stylename in layer.styles:
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if stylename in mapstyles.keys():
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m.append_style(stylename, mapstyles[stylename])
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else:
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raise ServerConfigurationError('Layer "%s" refers to non-existent style "%s".' % (layername, stylename))
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m.layers.append(layer)
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m.zoom_to_box(Envelope(params['bbox'][0], params['bbox'][1], params['bbox'][2], params['bbox'][3]))
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return m
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class BaseExceptionHandler:
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def __init__(self, debug):
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self.debug = debug
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def getresponse(self, params):
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code = ''
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message = '\n'
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excinfo = exc_info()
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if self.debug:
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messagelist = format_exception(excinfo[0], excinfo[1], excinfo[2])
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else:
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messagelist = format_exception_only(excinfo[0], excinfo[1])
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message += ''.join(messagelist)
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if isinstance(excinfo[1], OGCException) and len(excinfo[1].args) > 1:
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code = excinfo[1].args[1]
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exceptions = params.get('exceptions', None)
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if not exceptions or not self.handlers.has_key(exceptions):
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exceptions = self.defaulthandler
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return self.handlers[exceptions](self, code, message, params)
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def xmlhandler(self, code, message, params):
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ogcexcetree = deepcopy(self.xmltemplate)
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e = ogcexcetree.find(self.xpath)
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e.text = message
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if code:
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e.set('code', code)
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return Response(self.xmlmimetype, ElementTree.tostring(ogcexcetree))
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def inimagehandler(self, code, message, params):
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im = new('RGBA', (int(params['width']), int(params['height'])))
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im.putalpha(new('1', (int(params['width']), int(params['height']))))
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draw = Draw(im)
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for count, line in enumerate(message.strip().split('\n')):
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draw.text((12,15*(count+1)), line, fill='#000000')
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fh = StringIO()
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im.save(fh, PIL_TYPE_MAPPING[params['format']])
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fh.seek(0)
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return Response(params['format'], fh.read())
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||||
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def blankhandler(self, code, message, params):
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bgcolor = params.get('bgcolor', '#FFFFFF')
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bgcolor = bgcolor.replace('0x', '#')
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transparent = params.get('transparent', 'FALSE')
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if transparent == 'TRUE':
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im = new('RGBA', (int(params['width']), int(params['height'])))
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im.putalpha(new('1', (int(params['width']), int(params['height']))))
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else:
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im = new('RGBA', (int(params['width']), int(params['height'])), bgcolor)
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fh = StringIO()
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im.save(fh, PIL_TYPE_MAPPING[params['format']])
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fh.seek(0)
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return Response(params['format'], fh.read())
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||||
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class Projection(MapnikProjection):
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def epsgstring(self):
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return self.params().split('=')[1].upper()
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class TextFeatureInfo:
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||||
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||||
def __init__(self):
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self.buffer = ''
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||||
|
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def addlayer(self, name):
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self.buffer += '[%s]\n' % name
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||||
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def addfeature(self):
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self.buffer += '\n'
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||||
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||||
def addattribute(self, name, value):
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||||
self.buffer += '%s=%s\n' % (name, str(value))
|
||||
|
||||
def __str__(self):
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return self.buffer
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||||
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class XMLFeatureInfo:
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||||
|
||||
basexml = """<?xml version="1.0"?>
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<resultset>
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</resultset>
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||||
"""
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||||
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||||
def __init__(self):
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||||
self.rootelement = ElementTree.fromstring(self.basexml)
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||||
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||||
def addlayer(self, name):
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||||
layer = ElementTree.Element('layer')
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||||
layer.set('name', name)
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||||
self.rootelement.append(layer)
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||||
self.currentlayer = layer
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||||
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||||
def addfeature(self):
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feature = ElementTree.Element('feature')
|
||||
self.currentlayer.append(feature)
|
||||
self.currentfeature = feature
|
||||
|
||||
def addattribute(self, name, value):
|
||||
attribute = ElementTree.Element('attribute')
|
||||
attname = ElementTree.Element('name')
|
||||
attname.text = name
|
||||
attvalue = ElementTree.Element('value')
|
||||
attvalue.text = value.unicode()
|
||||
attribute.append(attname)
|
||||
attribute.append(attvalue)
|
||||
self.currentfeature.append(attribute)
|
||||
|
||||
def __str__(self):
|
||||
return '<?xml version="1.0"?>\n' + ElementTree.tostring(self.rootelement)
|
||||
#
|
||||
# This file is part of Mapnik (c++ mapping toolkit)
|
||||
#
|
||||
# Copyright (C) 2006 Jean-Francois Doyon
|
||||
#
|
||||
# Mapnik is free software; you can redistribute it and/or
|
||||
# modify it under the terms of the GNU Lesser General Public
|
||||
# License as published by the Free Software Foundation; either
|
||||
# version 2.1 of the License, or (at your option) any later version.
|
||||
#
|
||||
# This library is distributed in the hope that it will be useful,
|
||||
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
# Lesser General Public License for more details.
|
||||
#
|
||||
# You should have received a copy of the GNU Lesser General Public
|
||||
# License along with this library; if not, write to the Free Software
|
||||
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
#
|
||||
# $Id$
|
||||
|
||||
from exceptions import OGCException, ServerConfigurationError
|
||||
from mapnik import Map, Color, Envelope, render, Image, Projection as MapnikProjection, render_to_file, Coord
|
||||
from PIL.Image import fromstring, new
|
||||
from PIL.ImageDraw import Draw
|
||||
from StringIO import StringIO
|
||||
from copy import deepcopy
|
||||
from traceback import format_exception, format_exception_only
|
||||
from sys import exc_info
|
||||
from lxml import etree as ElementTree
|
||||
import re
|
||||
import sys
|
||||
# from elementtree import ElementTree
|
||||
# ElementTree._namespace_map.update({'http://www.opengis.net/wms': 'wms',
|
||||
# 'http://www.opengis.net/ogc': 'ogc',
|
||||
# 'http://www.w3.org/1999/xlink': 'xlink',
|
||||
# 'http://www.w3.org/2001/XMLSchema-instance': 'xsi'
|
||||
# })
|
||||
|
||||
PIL_TYPE_MAPPING = {'image/jpeg': 'jpeg', 'image/png': 'png'}
|
||||
|
||||
class ParameterDefinition:
|
||||
|
||||
def __init__(self, mandatory, cast, default=None, allowedvalues=None, fallback=False):
|
||||
""" An OGC request parameter definition. Used to describe a
|
||||
parameter's characteristics.
|
||||
|
||||
@param mandatory: Is this parameter required by the request?
|
||||
@type mandatory: Boolean.
|
||||
|
||||
@param default: Default value to use if one is not provided
|
||||
and the parameter is optional.
|
||||
@type default: None or any valid value.
|
||||
|
||||
@param allowedvalues: A list of allowed values for the parameter.
|
||||
If a value is provided that is not in this
|
||||
list, an error is raised.
|
||||
@type allowedvalues: A python tuple of values.
|
||||
|
||||
@param fallback: Whether the value of the parameter should fall
|
||||
back to the default should an illegal value be
|
||||
provided.
|
||||
@type fallback: Boolean.
|
||||
|
||||
@return: A L{ParameterDefinition} instance.
|
||||
"""
|
||||
if mandatory not in [True, False]:
|
||||
raise ServerConfigurationError("Bad value for 'mandatory' parameter, must be True or False.")
|
||||
self.mandatory = mandatory
|
||||
if not callable(cast):
|
||||
raise ServerConfigurationError('Cast parameter definition must be callable.')
|
||||
self.cast = cast
|
||||
self.default = default
|
||||
if allowedvalues and type(allowedvalues) != type(()):
|
||||
raise ServerConfigurationError("Bad value for 'allowedvalues' parameter, must be a tuple.")
|
||||
self.allowedvalues = allowedvalues
|
||||
if fallback not in [True, False]:
|
||||
raise ServerConfigurationError("Bad value for 'fallback' parameter, must be True or False.")
|
||||
self.fallback = fallback
|
||||
|
||||
class BaseServiceHandler:
|
||||
|
||||
CONF_CONTACT_PERSON_PRIMARY = [
|
||||
['contactperson', 'ContactPerson', str],
|
||||
['contactorganization', 'ContactOrganization', str]
|
||||
]
|
||||
|
||||
CONF_CONTACT_ADDRESS = [
|
||||
['addresstype', 'AddressType', str],
|
||||
['address', 'Address', str],
|
||||
['city', 'City', str],
|
||||
['stateorprovince', 'StateOrProvince', str],
|
||||
['postcode', 'PostCode', str],
|
||||
['country', 'Country', str]
|
||||
]
|
||||
|
||||
CONF_CONTACT = [
|
||||
['contactposition', 'ContactPosition', str],
|
||||
['contactvoicetelephone', 'ContactVoiceTelephone', str],
|
||||
['contactelectronicmailaddress', 'ContactElectronicMailAddress', str]
|
||||
]
|
||||
|
||||
def processParameters(self, requestname, params):
|
||||
finalparams = {}
|
||||
for paramname, paramdef in self.SERVICE_PARAMS[requestname].items():
|
||||
if paramname not in params.keys() and paramdef.mandatory:
|
||||
raise OGCException('Mandatory parameter "%s" missing from request.' % paramname)
|
||||
elif paramname in params.keys():
|
||||
try:
|
||||
params[paramname] = paramdef.cast(params[paramname])
|
||||
except OGCException:
|
||||
raise
|
||||
except:
|
||||
raise OGCException('Invalid value "%s" for parameter "%s".' % (params[paramname], paramname))
|
||||
if paramdef.allowedvalues and params[paramname] not in paramdef.allowedvalues:
|
||||
if not paramdef.fallback:
|
||||
raise OGCException('Parameter "%s" has an illegal value.' % paramname)
|
||||
else:
|
||||
finalparams[paramname] = paramdef.default
|
||||
else:
|
||||
finalparams[paramname] = params[paramname]
|
||||
elif not paramdef.mandatory and paramdef.default:
|
||||
finalparams[paramname] = paramdef.default
|
||||
return finalparams
|
||||
|
||||
def processServiceCapabilities(self, capetree):
|
||||
if len(self.conf.items('service')) > 0:
|
||||
servicee = capetree.find('{http://www.opengis.net/wms}Service')
|
||||
for item in self.CONF_SERVICE:
|
||||
if self.conf.has_option_with_value('service', item[0]):
|
||||
value = self.conf.get('service', item[0]).strip()
|
||||
try:
|
||||
item[2](value)
|
||||
except:
|
||||
raise ServerConfigurationError('Configuration parameter [%s]->%s has an invalid value: %s.' % ('service', item[0], value))
|
||||
if item[0] == 'onlineresource':
|
||||
element = ElementTree.Element('%s' % item[1])
|
||||
servicee.append(element)
|
||||
element.set('{http://www.w3.org/1999/xlink}href', value)
|
||||
element.set('{http://www.w3.org/1999/xlink}type', 'simple')
|
||||
elif item[0] == 'keywordlist':
|
||||
element = ElementTree.Element('%s' % item[1])
|
||||
servicee.append(element)
|
||||
keywords = value.split(',')
|
||||
keywords = map(str.strip, keywords)
|
||||
for keyword in keywords:
|
||||
kelement = ElementTree.Element('Keyword')
|
||||
kelement.text = keyword
|
||||
element.append(kelement)
|
||||
else:
|
||||
element = ElementTree.Element('%s' % item[1])
|
||||
element.text = value
|
||||
servicee.append(element)
|
||||
if len(self.conf.items_with_value('contact')) > 0:
|
||||
element = ElementTree.Element('ContactInformation')
|
||||
servicee.append(element)
|
||||
for item in self.CONF_CONTACT:
|
||||
if self.conf.has_option_with_value('contact', item[0]):
|
||||
value = self.conf.get('contact', item[0]).strip()
|
||||
try:
|
||||
item[2](value)
|
||||
except:
|
||||
raise ServerConfigurationError('Configuration parameter [%s]->%s has an invalid value: %s.' % ('service', item[0], value))
|
||||
celement = ElementTree.Element('%s' % item[1])
|
||||
celement.text = value
|
||||
element.append(celement)
|
||||
for item in self.CONF_CONTACT_PERSON_PRIMARY + self.CONF_CONTACT_ADDRESS:
|
||||
if item in self.CONF_CONTACT_PERSON_PRIMARY:
|
||||
tagname = 'ContactPersonPrimary'
|
||||
else:
|
||||
tagname = 'ContactAddress'
|
||||
if self.conf.has_option_with_value('contact', item[0]):
|
||||
if element.find(tagname) == None:
|
||||
subelement = ElementTree.Element(tagname)
|
||||
element.append(subelement)
|
||||
value = self.conf.get('contact', item[0]).strip()
|
||||
try:
|
||||
item[2](value)
|
||||
except:
|
||||
raise ServerConfigurationError('Configuration parameter [%s]->%s has an invalid value: %s.' % ('service', item[0], value))
|
||||
celement = ElementTree.Element('%s' % item[1])
|
||||
celement.text = value
|
||||
subelement.append(celement)
|
||||
|
||||
class Response:
|
||||
|
||||
def __init__(self, content_type, content):
|
||||
self.content_type = content_type
|
||||
self.content = content
|
||||
|
||||
class Version:
|
||||
|
||||
def __init__(self, version):
|
||||
version = version.split('.')
|
||||
if len(version) != 3:
|
||||
raise OGCException('Badly formatted version number.')
|
||||
try:
|
||||
version = map(int, version)
|
||||
except:
|
||||
raise OGCException('Badly formatted version number.')
|
||||
self.version = version
|
||||
|
||||
def __repr__(self):
|
||||
return '%s.%s.%s' % (self.version[0], self.version[1], self.version[2])
|
||||
|
||||
def __cmp__(self, other):
|
||||
if isinstance(other, str):
|
||||
other = Version(other)
|
||||
if self.version[0] < other.version[0]:
|
||||
return -1
|
||||
elif self.version[0] > other.version[0]:
|
||||
return 1
|
||||
else:
|
||||
if self.version[1] < other.version[1]:
|
||||
return -1
|
||||
elif self.version[1] > other.version[1]:
|
||||
return 1
|
||||
else:
|
||||
if self.version[2] < other.version[2]:
|
||||
return -1
|
||||
elif self.version[2] > other.version[2]:
|
||||
return 1
|
||||
else:
|
||||
return 0
|
||||
|
||||
class ListFactory:
|
||||
|
||||
def __init__(self, cast):
|
||||
self.cast = cast
|
||||
|
||||
def __call__(self, string):
|
||||
seq = string.split(',')
|
||||
return map(self.cast, seq)
|
||||
|
||||
def ColorFactory(colorstring):
|
||||
if re.match('^0x[a-fA-F0-9]{6}$', colorstring):
|
||||
return Color(eval('0x' + colorstring[2:4]), eval('0x' + colorstring[4:6]), eval('0x' + colorstring[6:8]))
|
||||
else:
|
||||
raise OGCException('Invalid color value. Must be of format "0xFFFFFF".')
|
||||
|
||||
class CRS:
|
||||
|
||||
def __init__(self, namespace, code):
|
||||
self.namespace = namespace.lower()
|
||||
self.code = int(code)
|
||||
self.proj = None
|
||||
|
||||
def __repr__(self):
|
||||
return '%s:%s' % (self.namespace, self.code)
|
||||
|
||||
def __eq__(self, other):
|
||||
if str(other) == str(self):
|
||||
return True
|
||||
return False
|
||||
|
||||
def inverse(self, x, y):
|
||||
if not self.proj:
|
||||
self.proj = Projection('+init=%s:%s' % (self.namespace, self.code))
|
||||
return self.proj.inverse(Coord(x, y))
|
||||
|
||||
def forward(self, x, y):
|
||||
if not self.proj:
|
||||
self.proj = Projection('+init=%s:%s' % (self.namespace, self.code))
|
||||
return self.proj.forward(Coord(x, y))
|
||||
|
||||
class CRSFactory:
|
||||
|
||||
def __init__(self, allowednamespaces):
|
||||
self.allowednamespaces = allowednamespaces
|
||||
|
||||
def __call__(self, crsstring):
|
||||
if not re.match('^[A-Z]{3,5}:\d+$', crsstring):
|
||||
raise OGCException('Invalid format for the CRS parameter: %s' % crsstring, 'InvalidCRS')
|
||||
crsparts = crsstring.split(':')
|
||||
if crsparts[0] in self.allowednamespaces:
|
||||
return CRS(crsparts[0], crsparts[1])
|
||||
else:
|
||||
raise OGCException('Invalid CRS Namespace: %s' % crsparts[0], 'InvalidCRS')
|
||||
|
||||
class WMSBaseServiceHandler(BaseServiceHandler):
|
||||
|
||||
def GetMap(self, params):
|
||||
m = self._buildMap(params)
|
||||
im = Image(params['width'], params['height'])
|
||||
render(m, im)
|
||||
return Response(params['format'], im.tostring(PIL_TYPE_MAPPING[params['format']]))
|
||||
|
||||
def GetFeatureInfo(self, params, querymethodname='query_point'):
|
||||
m = self._buildMap(params)
|
||||
if params['info_format'] == 'text/plain':
|
||||
writer = TextFeatureInfo()
|
||||
elif params['info_format'] == 'text/xml':
|
||||
writer = XMLFeatureInfo()
|
||||
for layerindex, layername in enumerate(params['query_layers']):
|
||||
if layername in params['layers']:
|
||||
if m.layers[layerindex].queryable:
|
||||
features = getattr(m, querymethodname)(layerindex, params['i'], params['j'])
|
||||
if features:
|
||||
writer.addlayer(m.layers[layerindex].name)
|
||||
for feature in features:
|
||||
writer.addfeature()
|
||||
for prop in feature.properties:
|
||||
writer.addattribute(prop.key(), prop.data())
|
||||
else:
|
||||
raise OGCException('Requested query layer "%s" is not marked queryable.' % layername, 'LayerNotQueryable')
|
||||
else:
|
||||
raise OGCException('Requested query layer "%s" not in the LAYERS parameter.' % layername)
|
||||
return Response(params['info_format'], str(writer))
|
||||
|
||||
def _buildMap(self, params):
|
||||
if str(params['crs']) not in self.allowedepsgcodes:
|
||||
raise OGCException('Unsupported CRS "%s" requested.' % str(params['crs']).upper(), 'InvalidCRS')
|
||||
if params['bbox'][0] >= params['bbox'][2]:
|
||||
raise OGCException("BBOX values don't make sense. minx is greater than maxx.")
|
||||
if params['bbox'][1] >= params['bbox'][3]:
|
||||
raise OGCException("BBOX values don't make sense. miny is greater than maxy.")
|
||||
if params.has_key('styles') and len(params['styles']) != len(params['layers']):
|
||||
raise OGCException('STYLES length does not match LAYERS length.')
|
||||
m = Map(params['width'], params['height'], '+init=%s' % params['crs'])
|
||||
if params.has_key('transparent') and params['transparent'] == 'FALSE':
|
||||
m.background = params['bgcolor']
|
||||
else:
|
||||
m.background = Color(0, 0, 0, 0)
|
||||
maplayers = self.mapfactory.layers
|
||||
mapstyles = self.mapfactory.styles
|
||||
mapaggregatestyles = self.mapfactory.aggregatestyles
|
||||
for layerindex, layername in enumerate(params['layers']):
|
||||
try:
|
||||
layer = maplayers[layername]
|
||||
except KeyError:
|
||||
raise OGCException('Layer "%s" not defined.' % layername, 'LayerNotDefined')
|
||||
reqstyle = params['styles'][layerindex]
|
||||
if reqstyle and reqstyle not in layer.wmsextrastyles:
|
||||
raise OGCException('Invalid style "%s" requested for layer "%s".' % (reqstyle, layername), 'StyleNotDefined')
|
||||
if not reqstyle:
|
||||
reqstyle = layer.wmsdefaultstyle
|
||||
if reqstyle in mapaggregatestyles.keys():
|
||||
for stylename in mapaggregatestyles[reqstyle]:
|
||||
layer.styles.append(stylename)
|
||||
else:
|
||||
layer.styles.append(reqstyle)
|
||||
for stylename in layer.styles:
|
||||
if stylename in mapstyles.keys():
|
||||
m.append_style(stylename, mapstyles[stylename])
|
||||
else:
|
||||
raise ServerConfigurationError('Layer "%s" refers to non-existent style "%s".' % (layername, stylename))
|
||||
m.layers.append(layer)
|
||||
m.zoom_to_box(Envelope(params['bbox'][0], params['bbox'][1], params['bbox'][2], params['bbox'][3]))
|
||||
return m
|
||||
|
||||
class BaseExceptionHandler:
|
||||
|
||||
def __init__(self, debug):
|
||||
self.debug = debug
|
||||
|
||||
def getresponse(self, params):
|
||||
code = ''
|
||||
message = '\n'
|
||||
excinfo = exc_info()
|
||||
if self.debug:
|
||||
messagelist = format_exception(excinfo[0], excinfo[1], excinfo[2])
|
||||
else:
|
||||
messagelist = format_exception_only(excinfo[0], excinfo[1])
|
||||
message += ''.join(messagelist)
|
||||
if isinstance(excinfo[1], OGCException) and len(excinfo[1].args) > 1:
|
||||
code = excinfo[1].args[1]
|
||||
exceptions = params.get('exceptions', None)
|
||||
if not exceptions or not self.handlers.has_key(exceptions):
|
||||
exceptions = self.defaulthandler
|
||||
return self.handlers[exceptions](self, code, message, params)
|
||||
|
||||
def xmlhandler(self, code, message, params):
|
||||
ogcexcetree = deepcopy(self.xmltemplate)
|
||||
e = ogcexcetree.find(self.xpath)
|
||||
e.text = message
|
||||
if code:
|
||||
e.set('code', code)
|
||||
return Response(self.xmlmimetype, ElementTree.tostring(ogcexcetree))
|
||||
|
||||
def inimagehandler(self, code, message, params):
|
||||
im = new('RGBA', (int(params['width']), int(params['height'])))
|
||||
im.putalpha(new('1', (int(params['width']), int(params['height']))))
|
||||
draw = Draw(im)
|
||||
for count, line in enumerate(message.strip().split('\n')):
|
||||
draw.text((12,15*(count+1)), line, fill='#000000')
|
||||
fh = StringIO()
|
||||
im.save(fh, PIL_TYPE_MAPPING[params['format']])
|
||||
fh.seek(0)
|
||||
return Response(params['format'], fh.read())
|
||||
|
||||
def blankhandler(self, code, message, params):
|
||||
bgcolor = params.get('bgcolor', '#FFFFFF')
|
||||
bgcolor = bgcolor.replace('0x', '#')
|
||||
transparent = params.get('transparent', 'FALSE')
|
||||
if transparent == 'TRUE':
|
||||
im = new('RGBA', (int(params['width']), int(params['height'])))
|
||||
im.putalpha(new('1', (int(params['width']), int(params['height']))))
|
||||
else:
|
||||
im = new('RGBA', (int(params['width']), int(params['height'])), bgcolor)
|
||||
fh = StringIO()
|
||||
im.save(fh, PIL_TYPE_MAPPING[params['format']])
|
||||
fh.seek(0)
|
||||
return Response(params['format'], fh.read())
|
||||
|
||||
class Projection(MapnikProjection):
|
||||
|
||||
def epsgstring(self):
|
||||
return self.params().split('=')[1].upper()
|
||||
|
||||
class TextFeatureInfo:
|
||||
|
||||
def __init__(self):
|
||||
self.buffer = ''
|
||||
|
||||
def addlayer(self, name):
|
||||
self.buffer += '[%s]\n' % name
|
||||
|
||||
def addfeature(self):
|
||||
self.buffer += '\n'
|
||||
|
||||
def addattribute(self, name, value):
|
||||
self.buffer += '%s=%s\n' % (name, str(value))
|
||||
|
||||
def __str__(self):
|
||||
return self.buffer
|
||||
|
||||
class XMLFeatureInfo:
|
||||
|
||||
basexml = """<?xml version="1.0"?>
|
||||
<resultset>
|
||||
</resultset>
|
||||
"""
|
||||
|
||||
def __init__(self):
|
||||
self.rootelement = ElementTree.fromstring(self.basexml)
|
||||
|
||||
def addlayer(self, name):
|
||||
layer = ElementTree.Element('layer')
|
||||
layer.set('name', name)
|
||||
self.rootelement.append(layer)
|
||||
self.currentlayer = layer
|
||||
|
||||
def addfeature(self):
|
||||
feature = ElementTree.Element('feature')
|
||||
self.currentlayer.append(feature)
|
||||
self.currentfeature = feature
|
||||
|
||||
def addattribute(self, name, value):
|
||||
attribute = ElementTree.Element('attribute')
|
||||
attname = ElementTree.Element('name')
|
||||
attname.text = name
|
||||
attvalue = ElementTree.Element('value')
|
||||
attvalue.text = value.unicode()
|
||||
attribute.append(attname)
|
||||
attribute.append(attvalue)
|
||||
self.currentfeature.append(attribute)
|
||||
|
||||
def __str__(self):
|
||||
return '<?xml version="1.0"?>\n' + ElementTree.tostring(self.rootelement)
|
||||
|
|
|
|||
|
|
@ -1,26 +1,26 @@
|
|||
#
|
||||
# This file is part of Mapnik (c++ mapping toolkit)
|
||||
#
|
||||
# Copyright (C) 2006 Jean-Francois Doyon
|
||||
#
|
||||
# Mapnik is free software; you can redistribute it and/or
|
||||
# modify it under the terms of the GNU Lesser General Public
|
||||
# License as published by the Free Software Foundation; either
|
||||
# version 2.1 of the License, or (at your option) any later version.
|
||||
#
|
||||
# This library is distributed in the hope that it will be useful,
|
||||
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
# Lesser General Public License for more details.
|
||||
#
|
||||
# You should have received a copy of the GNU Lesser General Public
|
||||
# License along with this library; if not, write to the Free Software
|
||||
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
#
|
||||
# $Id$
|
||||
|
||||
class OGCException(Exception):
|
||||
pass
|
||||
|
||||
class ServerConfigurationError(Exception):
|
||||
#
|
||||
# This file is part of Mapnik (c++ mapping toolkit)
|
||||
#
|
||||
# Copyright (C) 2006 Jean-Francois Doyon
|
||||
#
|
||||
# Mapnik is free software; you can redistribute it and/or
|
||||
# modify it under the terms of the GNU Lesser General Public
|
||||
# License as published by the Free Software Foundation; either
|
||||
# version 2.1 of the License, or (at your option) any later version.
|
||||
#
|
||||
# This library is distributed in the hope that it will be useful,
|
||||
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
# Lesser General Public License for more details.
|
||||
#
|
||||
# You should have received a copy of the GNU Lesser General Public
|
||||
# License along with this library; if not, write to the Free Software
|
||||
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
#
|
||||
# $Id$
|
||||
|
||||
class OGCException(Exception):
|
||||
pass
|
||||
|
||||
class ServerConfigurationError(Exception):
|
||||
pass
|
||||
|
|
@ -1,97 +1,97 @@
|
|||
#
|
||||
# This file is part of Mapnik (c++ mapping toolkit)
|
||||
#
|
||||
# Copyright (C) 2006 Jean-Francois Doyon
|
||||
#
|
||||
# Mapnik is free software; you can redistribute it and/or
|
||||
# modify it under the terms of the GNU Lesser General Public
|
||||
# License as published by the Free Software Foundation; either
|
||||
# version 2.1 of the License, or (at your option) any later version.
|
||||
#
|
||||
# This library is distributed in the hope that it will be useful,
|
||||
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
# Lesser General Public License for more details.
|
||||
#
|
||||
# You should have received a copy of the GNU Lesser General Public
|
||||
# License along with this library; if not, write to the Free Software
|
||||
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
#
|
||||
# $Id$
|
||||
|
||||
from exceptions import OGCException, ServerConfigurationError
|
||||
from configparser import SafeConfigParser
|
||||
from cgi import parse_qs
|
||||
from wms111 import ExceptionHandler as ExceptionHandler111
|
||||
from wms130 import ExceptionHandler as ExceptionHandler130
|
||||
from common import Version
|
||||
|
||||
class WSGIApp:
|
||||
|
||||
def __init__(self, configpath):
|
||||
conf = SafeConfigParser()
|
||||
conf.readfp(open(configpath))
|
||||
self.conf = conf
|
||||
if not conf.has_option_with_value('server', 'module'):
|
||||
raise ServerConfigurationError('The factory module is not defined in the configuration file.')
|
||||
try:
|
||||
mapfactorymodule = __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
|
||||
|
||||
def __call__(self, environ, start_response):
|
||||
reqparams = {}
|
||||
for key, value in parse_qs(environ['QUERY_STRING'], True).items():
|
||||
reqparams[key.lower()] = value[0]
|
||||
onlineresource = 'http://%s:%s%s?' % (environ['SERVER_NAME'], environ['SERVER_PORT'], environ['SCRIPT_NAME'])
|
||||
try:
|
||||
if not reqparams.has_key('request'):
|
||||
raise OGCException('Missing request parameter.')
|
||||
request = reqparams['request']
|
||||
del reqparams['request']
|
||||
if request == 'GetCapabilities' and not reqparams.has_key('service'):
|
||||
raise OGCException('Missing service parameter.')
|
||||
if request in ['GetMap', 'GetFeatureInfo']:
|
||||
service = 'WMS'
|
||||
else:
|
||||
service = reqparams['service']
|
||||
if reqparams.has_key('service'):
|
||||
del reqparams['service']
|
||||
try:
|
||||
mapnikmodule = __import__('mapnik.ogcserver.' + service)
|
||||
except:
|
||||
raise OGCException('Unsupported service "%s".' % service)
|
||||
ServiceHandlerFactory = getattr(mapnikmodule.ogcserver, service).ServiceHandlerFactory
|
||||
servicehandler = ServiceHandlerFactory(self.conf, self.mapfactory, onlineresource, reqparams.get('version', None))
|
||||
if reqparams.has_key('version'):
|
||||
del reqparams['version']
|
||||
if request not in servicehandler.SERVICE_PARAMS.keys():
|
||||
raise OGCException('Operation "%s" not supported.' % request, 'OperationNotSupported')
|
||||
ogcparams = servicehandler.processParameters(request, reqparams)
|
||||
try:
|
||||
requesthandler = getattr(servicehandler, request)
|
||||
except:
|
||||
raise OGCException('Operation "%s" not supported.' % request, 'OperationNotSupported')
|
||||
response = requesthandler(ogcparams)
|
||||
except:
|
||||
version = reqparams.get('version', None)
|
||||
if not version:
|
||||
version = Version('1.3.0')
|
||||
else:
|
||||
version = Version(version)
|
||||
if version >= '1.3.0':
|
||||
eh = ExceptionHandler130(self.debug)
|
||||
else:
|
||||
eh = ExceptionHandler111(self.debug)
|
||||
response = eh.getresponse(reqparams)
|
||||
start_response('200 OK', [('Content-Type', response.content_type)])
|
||||
yield response.content
|
||||
#
|
||||
# This file is part of Mapnik (c++ mapping toolkit)
|
||||
#
|
||||
# Copyright (C) 2006 Jean-Francois Doyon
|
||||
#
|
||||
# Mapnik is free software; you can redistribute it and/or
|
||||
# modify it under the terms of the GNU Lesser General Public
|
||||
# License as published by the Free Software Foundation; either
|
||||
# version 2.1 of the License, or (at your option) any later version.
|
||||
#
|
||||
# This library is distributed in the hope that it will be useful,
|
||||
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
# Lesser General Public License for more details.
|
||||
#
|
||||
# You should have received a copy of the GNU Lesser General Public
|
||||
# License along with this library; if not, write to the Free Software
|
||||
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
#
|
||||
# $Id$
|
||||
|
||||
from exceptions import OGCException, ServerConfigurationError
|
||||
from configparser import SafeConfigParser
|
||||
from cgi import parse_qs
|
||||
from wms111 import ExceptionHandler as ExceptionHandler111
|
||||
from wms130 import ExceptionHandler as ExceptionHandler130
|
||||
from common import Version
|
||||
|
||||
class WSGIApp:
|
||||
|
||||
def __init__(self, configpath):
|
||||
conf = SafeConfigParser()
|
||||
conf.readfp(open(configpath))
|
||||
self.conf = conf
|
||||
if not conf.has_option_with_value('server', 'module'):
|
||||
raise ServerConfigurationError('The factory module is not defined in the configuration file.')
|
||||
try:
|
||||
mapfactorymodule = __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
|
||||
|
||||
def __call__(self, environ, start_response):
|
||||
reqparams = {}
|
||||
for key, value in parse_qs(environ['QUERY_STRING'], True).items():
|
||||
reqparams[key.lower()] = value[0]
|
||||
onlineresource = 'http://%s:%s%s?' % (environ['SERVER_NAME'], environ['SERVER_PORT'], environ['SCRIPT_NAME'])
|
||||
try:
|
||||
if not reqparams.has_key('request'):
|
||||
raise OGCException('Missing request parameter.')
|
||||
request = reqparams['request']
|
||||
del reqparams['request']
|
||||
if request == 'GetCapabilities' and not reqparams.has_key('service'):
|
||||
raise OGCException('Missing service parameter.')
|
||||
if request in ['GetMap', 'GetFeatureInfo']:
|
||||
service = 'WMS'
|
||||
else:
|
||||
service = reqparams['service']
|
||||
if reqparams.has_key('service'):
|
||||
del reqparams['service']
|
||||
try:
|
||||
mapnikmodule = __import__('mapnik.ogcserver.' + service)
|
||||
except:
|
||||
raise OGCException('Unsupported service "%s".' % service)
|
||||
ServiceHandlerFactory = getattr(mapnikmodule.ogcserver, service).ServiceHandlerFactory
|
||||
servicehandler = ServiceHandlerFactory(self.conf, self.mapfactory, onlineresource, reqparams.get('version', None))
|
||||
if reqparams.has_key('version'):
|
||||
del reqparams['version']
|
||||
if request not in servicehandler.SERVICE_PARAMS.keys():
|
||||
raise OGCException('Operation "%s" not supported.' % request, 'OperationNotSupported')
|
||||
ogcparams = servicehandler.processParameters(request, reqparams)
|
||||
try:
|
||||
requesthandler = getattr(servicehandler, request)
|
||||
except:
|
||||
raise OGCException('Operation "%s" not supported.' % request, 'OperationNotSupported')
|
||||
response = requesthandler(ogcparams)
|
||||
except:
|
||||
version = reqparams.get('version', None)
|
||||
if not version:
|
||||
version = Version('1.3.0')
|
||||
else:
|
||||
version = Version(version)
|
||||
if version >= '1.3.0':
|
||||
eh = ExceptionHandler130(self.debug)
|
||||
else:
|
||||
eh = ExceptionHandler111(self.debug)
|
||||
response = eh.getresponse(reqparams)
|
||||
start_response('200 OK', [('Content-Type', response.content_type)])
|
||||
yield response.content
|
||||
|
||||
Loading…
Reference in a new issue