def loadFromWeb(self, ip, uploadFilename, uploadFile):
"""
Create a wms based on a uploaded zip file.
ip: remote address
uploadFilename: upload user name of file (string)
uploadFile: uploaded user file (file pointer made available by WSGI server)
"""
helper.dbg("Filename was: " + uploadFilename )
self.ip = ip
self.uuid = uuid.uuid4().hex
self.zfilename = uploadFilename
self.zfiledata = uploadFile
self.extractdir = os.path.join (configuration.getDataDir(), self.uuid)
self.zfilepath = os.path.join (self.extractdir, self.zfilename)
self.time = time.strftime('%d%m%y-%H:%M:%S')
self._savefile()
self.rasters = [] # list of probe results for rasters
self.vectors = [] # list of probe results for vectors
f = geozip.GeoZip(self.zfilepath)
if f.check_integrity() == False:
raise IOError("Checksum error: zipfile is corrupted")
#extract all files under extractdir
f.extract(self.extractdir)
#group by name
f.group_files()
#probe all the properties of geotiffs
self.rasters = [ helper.probedata(x) for x in f.getGeoTiffFiles() ]
self.vectors = [ helper.probedata(x) for x in f.getShapeFiles() ]
helper.dbg("Extracted RASTERS: " + `self.rasters`)
helper.dbg("Extracted VECTORS: " + `self.vectors`)
self.datasetname = helper.getBaseName(self.zfilename)
self.layers = self.rasters + self.vectors
self._addlayersid()
self.wms_md = { "title": self.datasetname , "Language" : "ENG", "Keywords":"IGIBS, View Service", "Fees": "N/A", "protected": self.protected, "extent": [ -7.55645, 49.76688, 3.6342, 61.465701 ], "projection" : "epsg:4326" }
helper.dbg("DatasetName: " + `self.datasetname`)
helper.dbg("zfilename: " + `self.zfilename`)
def loadFromURL(self, ip, url):
"""
Create a media object sessions and also loads the metadata from the file based on a uploaded file.
ip: remote address
url: url of the file (string)
"""
self.ip = ip
self.uuid = uuid.uuid4().hex
# assuming filename is eveything after the rightmost `/'
self.filename = helper.strfilter( url[url.rfind('/'):] ,"\\/" )
self.filedata = urllib.urlopen(url)
self.filedir = os.path.join (configuration.getDataDir(), self.uuid)
self.filefullpath = os.path.join (self.filedir, self.filename)
self.ctime = time.strftime('%d%m%y-%H:%M:%S')
self.customtags = {}
self.mtime = self.ctime
self._savefile()
self.mediamd = helper.probedata(self.filefullpath)
self.datasetname = helper.getBaseName(self.filename)
db.insert_uuid(self.uuid)
log.debug("filename: " + `self.filename`)
log.debug("DatasetName (filename w/o extention): " + `self.datasetname`)
def loadFromFile(self, uuid, group="ALL"):
"""
Create a media object based on a saved session.
uuid: the uuid corresponding to the saved media object instance
@exceptions: file does not exist, parse error
"""
self.uuid = uuid
self.filedir = os.path.join (configuration.getDataDir(), self.uuid)
log.debug("loading saved uuid: " + self.uuid)
sessions_file = open(os.path.join ( self.filedir, 'sessions.json' ), 'r')
sessions = json.load( sessions_file )
sessions_file.close()
if sessions == None:
raise ValueError("Cannot parse sessions.json for uuid: " + uuid)
self.ip = sessions["ip"]
self.datasetname = sessions["datasetname"]
self.filename = sessions["filename"]
self.filefullpath = os.path.join (self.filedir, self.filename)
self.mtime = sessions["mtime"]
self.ctime = sessions["ctime"]
self.customtags = sessions["customtags"]
self.mediamd = helper.probedata(self.filefullpath, group)
def loadFromWeb(self, ip, uploadFilename, uploadData):
"""
Create a media object sessions and also loads the metadata from the file based on a uploaded file.
ip: remote address
uploadFilename: upload user name of file (string)
uploadFile: uploaded user file (file pointer made available by WSGI server)
"""
log.debug("Filename was: " + uploadFilename )
self.ip = ip
self.uuid = uuid.uuid4().hex
self.filename = uploadFilename
self.filedata = uploadData
self.filedir = os.path.join (configuration.getDataDir(), self.uuid)
self.filefullpath = os.path.join (self.filedir, self.filename)
self.ctime = time.strftime('%d%m%y-%H:%M:%S')
self.customtags = {}
self.mtime = self.ctime
self._savefile()
self.mediamd = helper.probedata(self.filefullpath)
self.datasetname = helper.getBaseName(self.filename)
db.insert_uuid(self.uuid)
log.debug("filename: " + `self.filename`)
log.debug("DatasetName (filename w/o extention): " + `self.datasetname`)
