def processor(shape):
import sys
log.openSection("processor at <%s>" % str(__file__),
level=log.DEBUG,
profile=sys.modules[__name__])
log.debug(shape)
log.closeSection()
def processRequest(request, response):
log.startCommand()
log.openSection("REQUEST:%s::%s" % (request.path, str(request.query)))
path = request.path.lower()
if path:
pathFound = False
log.openSection("Searching for path")
for operationPath, info in operations.iteritems():
if path.startswith(operationPath.lower()):
log.logger.info("Processor for path '%s' found" %
operationPath)
subPath = request.path[len(operationPath) + 1:]
if subPath:
request.subPath = subPath.split("/")
else:
request.subPath = []
processor = PathContainer.getProcessor(info)
processor(request, response)
pathFound = True
if not pathFound:
log.logger.info("Unknown request")
log.closeSection()
if not response.handled:
response.buildResult("")
log.closeSection()
def __init__(self, svgFileName, charsToBeLoaded=None):
self.name = changeFileExtension(extractFileName(svgFileName), "")
self.glyphs = {}
self.defaults = Container({
"width": 556,
"height": None,
"x": None,
"y": None
})
log.openSection("Reading glyphs from %s" % svgFileName, log.DEBUG)
svgData = open(svgFileName, "r").read().replace('\n', '')
self.letters = u""
startPos = 0
while startPos < len(svgData):
startPos = svgData.find('<glyph', startPos)
if startPos >= 0:
endPos = svgData.find("/>", startPos) + 2
if endPos >= 0:
tag = svgData[startPos:endPos]
glyph = Glyph(tag, self)
if isinstance(glyph.unicode, list):
unicodes = glyph.unicode
else:
unicodes = [glyph.unicode]
for unicode in unicodes:
if not charsToBeLoaded or unicode in charsToBeLoaded:
self.letters += unicode
self.glyphs[unicode] = glyph
startPos = endPos
else:
log.error("Unclosed glyph tag at %d" % startPos)
break
else:
break
self.letters = "".join(sorted(self.letters))
if charsToBeLoaded and len(charsToBeLoaded) <> len(self.glyphs.keys()):
log.openSection("Not all characters found!", log.WARNING)
log.warning("%d characters to be loaded, %d found" %
(len(charsToBeLoaded), len(self.glyphs.keys())))
log.closeSection(level=log.WARNING)
log.closeSection("%d glyphs found" % len(self.glyphs.keys()),
level=log.DEBUG)
def getWFSData(databaseName, tableName, bbox, srsName, schemaName="", sqlQuery=""):
from shapely.wkb import loads
import geojson
import pygeotoolbox.sharedtools.log as logger
from pygeotoolbox.database import databaseByName
from pygeotoolbox.sharedtools import listToSqlStr
logger.openSection("Building WFS Data...")
FIELD_DEFS = 'graphic_symbol'
GEOMETRY_FIELD_NAME = 'geom'
"""
sampleRequest:
http://localhost/cgi-bin/mapserv.exe?map=C:/ms4w/Apache/hidden/MapGen/osm_lund.map&service=wfs&version=1.1.0&request=GetFeature&typename=data_area&outputFormat=application/json&srsname=EPSG:3857&bbox=1471006.5443115234,7501014.372741699,1471356.5870361328,7502471.5505981445,EPSG:3857
"""
if not schemaName:
schemaName = "mg_work"
if __SYMBOLNAMES:
symbolNamesWhereClause = "graphic_symbol in %s and " % listToSqlStr(__SYMBOLNAMES)
else:
symbolNamesWhereClause = ""
logger.info("Symbol names:" + str(listToSqlStr(__SYMBOLNAMES)))
logger.info("bbox:" + str(bbox))
sql = "select %s, (st_dump(%s)).geom from %s.%s, (select ST_MakeEnvelope(%s) as envelope) as bbox where %s %s && bbox.envelope" % (FIELD_DEFS, GEOMETRY_FIELD_NAME, schemaName, tableName, bbox, symbolNamesWhereClause, GEOMETRY_FIELD_NAME)
if sqlQuery:
sql += " and (%s)" % sqlQuery
fieldNames = FIELD_DEFS.split(',')
logger.info("Loading features...")
features = []
database = databaseByName(databaseName)
for row in database.executeSelectSQL(sql):
shape = loads(row[len(row) - 1], hex=True)
properties = {}
for fieldName, fieldIndex in zip(fieldNames, range(len(fieldNames))):
properties[fieldName] = row[fieldIndex]
if __DUMP_SYMBOLS_PROC:
features.extend(__DUMP_SYMBOLS_PROC(shape, properties))
else:
features.append(geojson.Feature(geometry=shape, properties=properties))
logger.info("%d features found" % len(features))
logger.closeSection()
return '{ "crs": { "type": "name", "properties": { "name": "urn:ogc:def:crs:EPSG::%s" } }, ' % srsName + geojson.dumps(geojson.FeatureCollection(features))[1:]
def readTestFonts():
import os
fonts = []
for fontName in ['ArialMT.svg', 'Helvetica-Regular.svg']:
log.openSection("Loading font %s into database..." % fontName)
font = SVGFontReader(
os.path.dirname(__file__) + os.sep + fontName,
addCharaters(getLowerASCII(), u'ěščřžýáíéúůĚŠČŘŽÝÁÍÉÚŮ'))
fonts.append(font)
log.info("'%s':%d glyphs readed." %
(fontName, len(font.glyphs.keys())))
log.info("[%s]" % font.letters)
log.closeSection()
return fonts
def provideFileProcessor(self, request, response):
log.openSection("Processing path alias...")
log.debug("request.subPath=" + str(request.subPath))
fileNameBase = "/".join(request.subPath)
if fileNameBase:
log.debug("Requesting file '%s'" % fileNameBase)
fileName = os.path.normpath(os.path.join(self.path, fileNameBase))
if os.path.exists(fileName):
if os.path.isfile(fileName):
response.htmlData = self.applyTemplates(fileName)
response.mimeFormat = getMimeType(fileName)
response.handled = True
else:
log.error(fileName + " is a directory.")
response.msgs.append(fileName + " is a directory.")
else:
log.error("File '%s' not found" % fileNameBase)
response.msgs.append("File %s not found" % fileNameBase)
else:
log.error("You must specify file name")
log.closeSection()
def createDatabase(self, databaseName):
"""
:param databaseName:
"""
import sys
from psycopg2.extensions import ISOLATION_LEVEL_AUTOCOMMIT
log.openSection("Creating database '%s'" % config.database.name, level=log.DEBUG)
sql = "create database %s;" % databaseName
log.debug(sql)
connection = psycopg2.connect(user=config.database.user, host = config.database.host, password=config.database.password)
connection.set_isolation_level(ISOLATION_LEVEL_AUTOCOMMIT)
cursor = connection.cursor()
cursor.execute(sql)
cursor.close()
connection.close()
if config.database.onCreateDatabaseSQL:
log.debug(config.database.onCreateDatabaseSQL)
self.execute(config.database.onCreateDatabaseSQL)
log.closeSection()
def __init__(self, templateFileName):
from pygeotoolbox.sharedtools import fileToStr, log
log.openSection("Reading HTML Templates from '%s'" % templateFileName)
self.templates = {}
templatesContent = fileToStr(templateFileName)
searchPos = 0
while True:
templateEndMarker_StartPos = templatesContent.find("<!-- END OF ", searchPos)
if templateEndMarker_StartPos >= 0:
templateEndMarker_EndPos = templatesContent.find("-->", templateEndMarker_StartPos)
templateName = templatesContent[templateEndMarker_StartPos+12:templateEndMarker_EndPos].strip()
templateStartMarker_StartPos = templatesContent.find("<!-- %s -->" % templateName, searchPos)
if templateStartMarker_StartPos>=0:
templateContent = templatesContent[templateStartMarker_StartPos+len(templateName)+9:templateEndMarker_StartPos]
self.templates[templateName] = templateContent
else:
log.error("'%s' not found" % "<!-- %s -->" % templateName)
searchPos = templateEndMarker_EndPos + 3
else:
break
log.info("Template names:%s (HTMLTemplateProcessor)" % str(self.templates.keys()))
log.closeSection()
if __name__ == "__main__":
from shapely.wkt import loads
from shapely.geometry import Point, Polygon, LineString
from point import processor as pointProcessor
from linestring import processor as linestringProcessor
from polygon import processor as polygonProcessor
import pygeotoolbox.sharedtools.log as log
processors = {
Point: pointProcessor,
Polygon: polygonProcessor,
LineString: linestringProcessor
}
import point
log.LOGGED_PROFILES = [point]
database = Database()
cursor = database.cursor()
cursor.query("select id, name, geom from public.roads limit 13;")
log.openSection("Reading database rows", level=log.DEBUG)
for row in cursor:
log.openSection("Processing row:%s" % str(row), level=log.DEBUG)
shape = loads(row[2])
if shape.__class__ in processors:
processor = processors[shape.__class__]
processor(shape)
# else: element is skipped
log.closeSection()
log.closeSection()
def processor(shape):
log.openSection("processor at <%s>" % str(__file__), level=log.DEBUG)
log.debug(shape)
log.closeSection()