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jroIO_base.py
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'''
Created on Jul 2, 2014
@author: roj-idl71
'''
import os
import sys
import glob
import time
import numpy
import fnmatch
import inspect
import time, datetime
import traceback
import zmq
try:
from gevent import sleep
except:
from time import sleep
from schainpy.model.data.jroheaderIO import PROCFLAG, BasicHeader, SystemHeader, RadarControllerHeader, ProcessingHeader
from schainpy.model.data.jroheaderIO import get_dtype_index, get_numpy_dtype, get_procflag_dtype, get_dtype_width
LOCALTIME = True
def isNumber(cad):
"""
Chequea si el conjunto de caracteres que componen un string puede ser convertidos a un numero.
Excepciones:
Si un determinado string no puede ser convertido a numero
Input:
str, string al cual se le analiza para determinar si convertible a un numero o no
Return:
True : si el string es uno numerico
False : no es un string numerico
"""
try:
float( cad )
return True
except:
return False
def isFileInEpoch(filename, startUTSeconds, endUTSeconds):
"""
Esta funcion determina si un archivo de datos se encuentra o no dentro del rango de fecha especificado.
Inputs:
filename : nombre completo del archivo de datos en formato Jicamarca (.r)
startUTSeconds : fecha inicial del rango seleccionado. La fecha esta dada en
segundos contados desde 01/01/1970.
endUTSeconds : fecha final del rango seleccionado. La fecha esta dada en
segundos contados desde 01/01/1970.
Return:
Boolean : Retorna True si el archivo de datos contiene datos en el rango de
fecha especificado, de lo contrario retorna False.
Excepciones:
Si el archivo no existe o no puede ser abierto
Si la cabecera no puede ser leida.
"""
basicHeaderObj = BasicHeader(LOCALTIME)
try:
fp = open(filename,'rb')
except IOError:
print "The file %s can't be opened" %(filename)
return 0
sts = basicHeaderObj.read(fp)
fp.close()
if not(sts):
print "Skipping the file %s because it has not a valid header" %(filename)
return 0
if not ((startUTSeconds <= basicHeaderObj.utc) and (endUTSeconds > basicHeaderObj.utc)):
return 0
return 1
def isTimeInRange(thisTime, startTime, endTime):
if endTime >= startTime:
if (thisTime < startTime) or (thisTime > endTime):
return 0
return 1
else:
if (thisTime < startTime) and (thisTime > endTime):
return 0
return 1
def isFileInTimeRange(filename, startDate, endDate, startTime, endTime):
"""
Retorna 1 si el archivo de datos se encuentra dentro del rango de horas especificado.
Inputs:
filename : nombre completo del archivo de datos en formato Jicamarca (.r)
startDate : fecha inicial del rango seleccionado en formato datetime.date
endDate : fecha final del rango seleccionado en formato datetime.date
startTime : tiempo inicial del rango seleccionado en formato datetime.time
endTime : tiempo final del rango seleccionado en formato datetime.time
Return:
Boolean : Retorna True si el archivo de datos contiene datos en el rango de
fecha especificado, de lo contrario retorna False.
Excepciones:
Si el archivo no existe o no puede ser abierto
Si la cabecera no puede ser leida.
"""
try:
fp = open(filename,'rb')
except IOError:
print "The file %s can't be opened" %(filename)
return None
firstBasicHeaderObj = BasicHeader(LOCALTIME)
systemHeaderObj = SystemHeader()
radarControllerHeaderObj = RadarControllerHeader()
processingHeaderObj = ProcessingHeader()
lastBasicHeaderObj = BasicHeader(LOCALTIME)
sts = firstBasicHeaderObj.read(fp)
if not(sts):
print "[Reading] Skipping the file %s because it has not a valid header" %(filename)
return None
if not systemHeaderObj.read(fp):
return None
if not radarControllerHeaderObj.read(fp):
return None
if not processingHeaderObj.read(fp):
return None
filesize = os.path.getsize(filename)
offset = processingHeaderObj.blockSize + 24 #header size
if filesize <= offset:
print "[Reading] %s: This file has not enough data" %filename
return None
fp.seek(-offset, 2)
sts = lastBasicHeaderObj.read(fp)
fp.close()
thisDatetime = lastBasicHeaderObj.datatime
thisTime_last_block = thisDatetime.time()
thisDatetime = firstBasicHeaderObj.datatime
thisDate = thisDatetime.date()
thisTime_first_block = thisDatetime.time()
#General case
# o>>>>>>>>>>>>>><<<<<<<<<<<<<<o
#-----------o----------------------------o-----------
# startTime endTime
if endTime >= startTime:
if (thisTime_last_block < startTime) or (thisTime_first_block > endTime):
return None
return thisDatetime
#If endTime < startTime then endTime belongs to the next day
#<<<<<<<<<<<o o>>>>>>>>>>>
#-----------o----------------------------o-----------
# endTime startTime
if (thisDate == startDate) and (thisTime_last_block < startTime):
return None
if (thisDate == endDate) and (thisTime_first_block > endTime):
return None
if (thisTime_last_block < startTime) and (thisTime_first_block > endTime):
return None
return thisDatetime
def isFolderInDateRange(folder, startDate=None, endDate=None):
"""
Retorna 1 si el archivo de datos se encuentra dentro del rango de horas especificado.
Inputs:
folder : nombre completo del directorio.
Su formato deberia ser "/path_root/?YYYYDDD"
siendo:
YYYY : Anio (ejemplo 2015)
DDD : Dia del anio (ejemplo 305)
startDate : fecha inicial del rango seleccionado en formato datetime.date
endDate : fecha final del rango seleccionado en formato datetime.date
Return:
Boolean : Retorna True si el archivo de datos contiene datos en el rango de
fecha especificado, de lo contrario retorna False.
Excepciones:
Si el directorio no tiene el formato adecuado
"""
basename = os.path.basename(folder)
if not isRadarFolder(basename):
print "The folder %s has not the rigth format" %folder
return 0
if startDate and endDate:
thisDate = getDateFromRadarFolder(basename)
if thisDate < startDate:
return 0
if thisDate > endDate:
return 0
return 1
def isFileInDateRange(filename, startDate=None, endDate=None):
"""
Retorna 1 si el archivo de datos se encuentra dentro del rango de horas especificado.
Inputs:
filename : nombre completo del archivo de datos en formato Jicamarca (.r)
Su formato deberia ser "?YYYYDDDsss"
siendo:
YYYY : Anio (ejemplo 2015)
DDD : Dia del anio (ejemplo 305)
sss : set
startDate : fecha inicial del rango seleccionado en formato datetime.date
endDate : fecha final del rango seleccionado en formato datetime.date
Return:
Boolean : Retorna True si el archivo de datos contiene datos en el rango de
fecha especificado, de lo contrario retorna False.
Excepciones:
Si el archivo no tiene el formato adecuado
"""
basename = os.path.basename(filename)
if not isRadarFile(basename):
print "The filename %s has not the rigth format" %filename
return 0
if startDate and endDate:
thisDate = getDateFromRadarFile(basename)
if thisDate < startDate:
return 0
if thisDate > endDate:
return 0
return 1
def getFileFromSet(path, ext, set):
validFilelist = []
fileList = os.listdir(path)
# 0 1234 567 89A BCDE
# H YYYY DDD SSS .ext
for thisFile in fileList:
try:
year = int(thisFile[1:5])
doy = int(thisFile[5:8])
except:
continue
if (os.path.splitext(thisFile)[-1].lower() != ext.lower()):
continue
validFilelist.append(thisFile)
myfile = fnmatch.filter(validFilelist,'*%4.4d%3.3d%3.3d*'%(year,doy,set))
if len(myfile)!= 0:
return myfile[0]
else:
filename = '*%4.4d%3.3d%3.3d%s'%(year,doy,set,ext.lower())
print 'the filename %s does not exist'%filename
print '...going to the last file: '
if validFilelist:
validFilelist = sorted( validFilelist, key=str.lower )
return validFilelist[-1]
return None
def getlastFileFromPath(path, ext):
"""
Depura el fileList dejando solo los que cumplan el formato de "PYYYYDDDSSS.ext"
al final de la depuracion devuelve el ultimo file de la lista que quedo.
Input:
fileList : lista conteniendo todos los files (sin path) que componen una determinada carpeta
ext : extension de los files contenidos en una carpeta
Return:
El ultimo file de una determinada carpeta, no se considera el path.
"""
validFilelist = []
fileList = os.listdir(path)
# 0 1234 567 89A BCDE
# H YYYY DDD SSS .ext
for thisFile in fileList:
year = thisFile[1:5]
if not isNumber(year):
continue
doy = thisFile[5:8]
if not isNumber(doy):
continue
year = int(year)
doy = int(doy)
if (os.path.splitext(thisFile)[-1].lower() != ext.lower()):
continue
validFilelist.append(thisFile)
if validFilelist:
validFilelist = sorted( validFilelist, key=str.lower )
return validFilelist[-1]
return None
def checkForRealPath(path, foldercounter, year, doy, set, ext):
"""
Por ser Linux Case Sensitive entonces checkForRealPath encuentra el nombre correcto de un path,
Prueba por varias combinaciones de nombres entre mayusculas y minusculas para determinar
el path exacto de un determinado file.
Example :
nombre correcto del file es .../.../D2009307/P2009307367.ext
Entonces la funcion prueba con las siguientes combinaciones
.../.../y2009307367.ext
.../.../Y2009307367.ext
.../.../x2009307/y2009307367.ext
.../.../x2009307/Y2009307367.ext
.../.../X2009307/y2009307367.ext
.../.../X2009307/Y2009307367.ext
siendo para este caso, la ultima combinacion de letras, identica al file buscado
Return:
Si encuentra la cobinacion adecuada devuelve el path completo y el nombre del file
caso contrario devuelve None como path y el la ultima combinacion de nombre en mayusculas
para el filename
"""
fullfilename = None
find_flag = False
filename = None
prefixDirList = [None,'d','D']
if ext.lower() == ".r": #voltage
prefixFileList = ['d','D']
elif ext.lower() == ".pdata": #spectra
prefixFileList = ['p','P']
else:
return None, filename
#barrido por las combinaciones posibles
for prefixDir in prefixDirList:
thispath = path
if prefixDir != None:
#formo el nombre del directorio xYYYYDDD (x=d o x=D)
if foldercounter == 0:
thispath = os.path.join(path, "%s%04d%03d" % ( prefixDir, year, doy ))
else:
thispath = os.path.join(path, "%s%04d%03d_%02d" % ( prefixDir, year, doy , foldercounter))
for prefixFile in prefixFileList: #barrido por las dos combinaciones posibles de "D"
filename = "%s%04d%03d%03d%s" % ( prefixFile, year, doy, set, ext ) #formo el nombre del file xYYYYDDDSSS.ext
fullfilename = os.path.join( thispath, filename ) #formo el path completo
if os.path.exists( fullfilename ): #verifico que exista
find_flag = True
break
if find_flag:
break
if not(find_flag):
return None, filename
return fullfilename, filename
def isRadarFolder(folder):
try:
year = int(folder[1:5])
doy = int(folder[5:8])
except:
return 0
return 1
def isRadarFile(file):
try:
year = int(file[1:5])
doy = int(file[5:8])
set = int(file[8:11])
except:
return 0
return 1
def getDateFromRadarFile(file):
try:
year = int(file[1:5])
doy = int(file[5:8])
set = int(file[8:11])
except:
return None
thisDate = datetime.date(year, 1, 1) + datetime.timedelta(doy-1)
return thisDate
def getDateFromRadarFolder(folder):
try:
year = int(folder[1:5])
doy = int(folder[5:8])
except:
return None
thisDate = datetime.date(year, 1, 1) + datetime.timedelta(doy-1)
return thisDate
class JRODataIO:
c = 3E8
isConfig = False
basicHeaderObj = None
systemHeaderObj = None
radarControllerHeaderObj = None
processingHeaderObj = None
dtype = None
pathList = []
filenameList = []
filename = None
ext = None
flagIsNewFile = 1
flagDiscontinuousBlock = 0
flagIsNewBlock = 0
fp = None
firstHeaderSize = 0
basicHeaderSize = 24
versionFile = 1103
fileSize = None
# ippSeconds = None
fileSizeByHeader = None
fileIndex = None
profileIndex = None
blockIndex = None
nTotalBlocks = None
maxTimeStep = 30
lastUTTime = None
datablock = None
dataOut = None
blocksize = None
getByBlock = False
def __init__(self):
raise NotImplementedError
def run(self):
raise NotImplementedError
def getDtypeWidth(self):
dtype_index = get_dtype_index(self.dtype)
dtype_width = get_dtype_width(dtype_index)
return dtype_width
def getAllowedArgs(self):
return inspect.getargspec(self.run).args
class JRODataReader(JRODataIO):
online = 0
realtime = 0
nReadBlocks = 0
delay = 10 #number of seconds waiting a new file
nTries = 3 #quantity tries
nFiles = 3 #number of files for searching
path = None
foldercounter = 0
flagNoMoreFiles = 0
datetimeList = []
__isFirstTimeOnline = 1
__printInfo = True
profileIndex = None
nTxs = 1
txIndex = None
#Added--------------------
selBlocksize = None
selBlocktime = None
def __init__(self):
"""
This class is used to find data files
Example:
reader = JRODataReader()
fileList = reader.findDataFiles()
"""
pass
def createObjByDefault(self):
"""
"""
raise NotImplementedError
def getBlockDimension(self):
raise NotImplementedError
def searchFilesOffLine(self,
path,
startDate=None,
endDate=None,
startTime=datetime.time(0,0,0),
endTime=datetime.time(23,59,59),
set=None,
expLabel='',
ext='.r',
cursor=None,
skip=None,
walk=True):
self.filenameList = []
self.datetimeList = []
pathList = []
dateList, pathList = self.findDatafiles(path, startDate, endDate, expLabel, ext, walk, include_path=True)
if dateList == []:
return [], []
if len(dateList) > 1:
print "[Reading] Data found for date range [%s - %s]: total days = %d" %(startDate, endDate, len(dateList))
else:
print "[Reading] Data found for date range [%s - %s]: date = %s" %(startDate, endDate, dateList[0])
filenameList = []
datetimeList = []
for thisPath in pathList:
fileList = glob.glob1(thisPath, "*%s" %ext)
fileList.sort()
skippedFileList = []
if cursor is not None and skip is not None:
if skip == 0:
skippedFileList = []
else:
skippedFileList = fileList[cursor*skip: cursor*skip + skip]
else:
skippedFileList = fileList
for file in skippedFileList:
filename = os.path.join(thisPath,file)
if not isFileInDateRange(filename, startDate, endDate):
continue
thisDatetime = isFileInTimeRange(filename, startDate, endDate, startTime, endTime)
if not(thisDatetime):
continue
filenameList.append(filename)
datetimeList.append(thisDatetime)
if not(filenameList):
print "[Reading] Time range selected invalid [%s - %s]: No *%s files in %s)" %(startTime, endTime, ext, path)
return [], []
print "[Reading] %d file(s) was(were) found in time range: %s - %s" %(len(filenameList), startTime, endTime)
print
# for i in range(len(filenameList)):
# print "[Reading] %s -> [%s]" %(filenameList[i], datetimeList[i].ctime())
self.filenameList = filenameList
self.datetimeList = datetimeList
return pathList, filenameList
def __searchFilesOnLine(self, path, expLabel = "", ext = None, walk=True, set=None):
"""
Busca el ultimo archivo de la ultima carpeta (determinada o no por startDateTime) y
devuelve el archivo encontrado ademas de otros datos.
Input:
path : carpeta donde estan contenidos los files que contiene data
expLabel : Nombre del subexperimento (subfolder)
ext : extension de los files
walk : Si es habilitado no realiza busquedas dentro de los ubdirectorios (doypath)
Return:
directory : eL directorio donde esta el file encontrado
filename : el ultimo file de una determinada carpeta
year : el anho
doy : el numero de dia del anho
set : el set del archivo
"""
if not os.path.isdir(path):
return None, None, None, None, None, None
dirList = []
if not walk:
fullpath = path
foldercounter = 0
else:
#Filtra solo los directorios
for thisPath in os.listdir(path):
if not os.path.isdir(os.path.join(path,thisPath)):
continue
if not isRadarFolder(thisPath):
continue
dirList.append(thisPath)
if not(dirList):
return None, None, None, None, None, None
dirList = sorted( dirList, key=str.lower )
doypath = dirList[-1]
foldercounter = int(doypath.split('_')[1]) if len(doypath.split('_'))>1 else 0
fullpath = os.path.join(path, doypath, expLabel)
print "[Reading] %s folder was found: " %(fullpath )
if set == None:
filename = getlastFileFromPath(fullpath, ext)
else:
filename = getFileFromSet(fullpath, ext, set)
if not(filename):
return None, None, None, None, None, None
print "[Reading] %s file was found" %(filename)
if not(self.__verifyFile(os.path.join(fullpath, filename))):
return None, None, None, None, None, None
year = int( filename[1:5] )
doy = int( filename[5:8] )
set = int( filename[8:11] )
return fullpath, foldercounter, filename, year, doy, set
def __setNextFileOffline(self):
idFile = self.fileIndex
while (True):
idFile += 1
if not(idFile < len(self.filenameList)):
self.flagNoMoreFiles = 1
# print "[Reading] No more Files"
return 0
filename = self.filenameList[idFile]
if not(self.__verifyFile(filename)):
continue
fileSize = os.path.getsize(filename)
fp = open(filename,'rb')
break
self.flagIsNewFile = 1
self.fileIndex = idFile
self.filename = filename
self.fileSize = fileSize
self.fp = fp
# print "[Reading] Setting the file: %s"%self.filename
return 1
def __setNextFileOnline(self):
"""
Busca el siguiente file que tenga suficiente data para ser leida, dentro de un folder especifico, si
no encuentra un file valido espera un tiempo determinado y luego busca en los posibles n files
siguientes.
Affected:
self.flagIsNewFile
self.filename
self.fileSize
self.fp
self.set
self.flagNoMoreFiles
Return:
0 : si luego de una busqueda del siguiente file valido este no pudo ser encontrado
1 : si el file fue abierto con exito y esta listo a ser leido
Excepciones:
Si un determinado file no puede ser abierto
"""
nFiles = 0
fileOk_flag = False
firstTime_flag = True
self.set += 1
if self.set > 999:
self.set = 0
self.foldercounter += 1
#busca el 1er file disponible
fullfilename, filename = checkForRealPath( self.path, self.foldercounter, self.year, self.doy, self.set, self.ext )
if fullfilename:
if self.__verifyFile(fullfilename, False):
fileOk_flag = True
#si no encuentra un file entonces espera y vuelve a buscar
if not(fileOk_flag):
for nFiles in range(self.nFiles+1): #busco en los siguientes self.nFiles+1 files posibles
if firstTime_flag: #si es la 1era vez entonces hace el for self.nTries veces
tries = self.nTries
else:
tries = 1 #si no es la 1era vez entonces solo lo hace una vez
for nTries in range( tries ):
if firstTime_flag:
print "\t[Reading] Waiting %0.2f sec for the next file: \"%s\" , try %03d ..." % ( self.delay, filename, nTries+1 )
sleep( self.delay )
else:
print "\t[Reading] Searching the next \"%s%04d%03d%03d%s\" file ..." % (self.optchar, self.year, self.doy, self.set, self.ext)
fullfilename, filename = checkForRealPath( self.path, self.foldercounter, self.year, self.doy, self.set, self.ext )
if fullfilename:
if self.__verifyFile(fullfilename):
fileOk_flag = True
break
if fileOk_flag:
break
firstTime_flag = False
print "\t[Reading] Skipping the file \"%s\" due to this file doesn't exist" % filename
self.set += 1
if nFiles == (self.nFiles-1): #si no encuentro el file buscado cambio de carpeta y busco en la siguiente carpeta
self.set = 0
self.doy += 1
self.foldercounter = 0
if fileOk_flag:
self.fileSize = os.path.getsize( fullfilename )
self.filename = fullfilename
self.flagIsNewFile = 1
if self.fp != None: self.fp.close()
self.fp = open(fullfilename, 'rb')
self.flagNoMoreFiles = 0
# print '[Reading] Setting the file: %s' % fullfilename
else:
self.fileSize = 0
self.filename = None
self.flagIsNewFile = 0
self.fp = None
self.flagNoMoreFiles = 1
# print '[Reading] No more files to read'
return fileOk_flag
def setNextFile(self):
if self.fp != None:
self.fp.close()
if self.online:
newFile = self.__setNextFileOnline()
else:
newFile = self.__setNextFileOffline()
if not(newFile):
print '[Reading] No more files to read'
return 0
if self.verbose:
print '[Reading] Setting the file: %s' % self.filename
self.__readFirstHeader()
self.nReadBlocks = 0
return 1
def __waitNewBlock(self):
"""
Return 1 si se encontro un nuevo bloque de datos, 0 de otra forma.
Si el modo de lectura es OffLine siempre retorn 0
"""
if not self.online:
return 0
if (self.nReadBlocks >= self.processingHeaderObj.dataBlocksPerFile):
return 0
currentPointer = self.fp.tell()
neededSize = self.processingHeaderObj.blockSize + self.basicHeaderSize
for nTries in range( self.nTries ):
self.fp.close()
self.fp = open( self.filename, 'rb' )
self.fp.seek( currentPointer )
self.fileSize = os.path.getsize( self.filename )
currentSize = self.fileSize - currentPointer
if ( currentSize >= neededSize ):
self.basicHeaderObj.read(self.fp)
return 1
if self.fileSize == self.fileSizeByHeader:
# self.flagEoF = True
return 0
print "[Reading] Waiting %0.2f seconds for the next block, try %03d ..." % (self.delay, nTries+1)
sleep( self.delay )
return 0
def waitDataBlock(self,pointer_location):
currentPointer = pointer_location
neededSize = self.processingHeaderObj.blockSize #+ self.basicHeaderSize
for nTries in range( self.nTries ):
self.fp.close()
self.fp = open( self.filename, 'rb' )
self.fp.seek( currentPointer )
self.fileSize = os.path.getsize( self.filename )
currentSize = self.fileSize - currentPointer
if ( currentSize >= neededSize ):
return 1
print "[Reading] Waiting %0.2f seconds for the next block, try %03d ..." % (self.delay, nTries+1)
sleep( self.delay )
return 0
def __jumpToLastBlock(self):
if not(self.__isFirstTimeOnline):
return
csize = self.fileSize - self.fp.tell()
blocksize = self.processingHeaderObj.blockSize
#salta el primer bloque de datos
if csize > self.processingHeaderObj.blockSize:
self.fp.seek(self.fp.tell() + blocksize)
else:
return
csize = self.fileSize - self.fp.tell()
neededsize = self.processingHeaderObj.blockSize + self.basicHeaderSize
while True:
if self.fp.tell()<self.fileSize:
self.fp.seek(self.fp.tell() + neededsize)
else:
self.fp.seek(self.fp.tell() - neededsize)
break
# csize = self.fileSize - self.fp.tell()
# neededsize = self.processingHeaderObj.blockSize + self.basicHeaderSize
# factor = int(csize/neededsize)
# if factor > 0:
# self.fp.seek(self.fp.tell() + factor*neededsize)
self.flagIsNewFile = 0
self.__isFirstTimeOnline = 0
def __setNewBlock(self):
#if self.server is None:
if self.fp == None:
return 0
# if self.online:
# self.__jumpToLastBlock()
if self.flagIsNewFile:
self.lastUTTime = self.basicHeaderObj.utc
return 1
if self.realtime:
self.flagDiscontinuousBlock = 1
if not(self.setNextFile()):
return 0
else:
return 1
#if self.server is None:
currentSize = self.fileSize - self.fp.tell()
neededSize = self.processingHeaderObj.blockSize + self.basicHeaderSize
if (currentSize >= neededSize):
self.basicHeaderObj.read(self.fp)
self.lastUTTime = self.basicHeaderObj.utc
return 1
# else:
# self.basicHeaderObj.read(self.zHeader)
# self.lastUTTime = self.basicHeaderObj.utc
# return 1
if self.__waitNewBlock():
self.lastUTTime = self.basicHeaderObj.utc
return 1
#if self.server is None:
if not(self.setNextFile()):
return 0
deltaTime = self.basicHeaderObj.utc - self.lastUTTime #
self.lastUTTime = self.basicHeaderObj.utc
self.flagDiscontinuousBlock = 0
if deltaTime > self.maxTimeStep:
self.flagDiscontinuousBlock = 1
return 1
def readNextBlock(self):
#Skip block out of startTime and endTime
while True:
if not(self.__setNewBlock()):
return 0
if not(self.readBlock()):
return 0
self.getBasicHeader()
if not isTimeInRange(self.dataOut.datatime.time(), self.startTime, self.endTime):
print "[Reading] Block No. %d/%d -> %s [Skipping]" %(self.nReadBlocks,
self.processingHeaderObj.dataBlocksPerFile,
self.dataOut.datatime.ctime())
continue
break
if self.verbose:
print "[Reading] Block No. %d/%d -> %s" %(self.nReadBlocks,
self.processingHeaderObj.dataBlocksPerFile,
self.dataOut.datatime.ctime())
return 1
def __readFirstHeader(self):
self.basicHeaderObj.read(self.fp)
self.systemHeaderObj.read(self.fp)
self.radarControllerHeaderObj.read(self.fp)
self.processingHeaderObj.read(self.fp)
self.firstHeaderSize = self.basicHeaderObj.size
datatype = int(numpy.log2((self.processingHeaderObj.processFlags & PROCFLAG.DATATYPE_MASK))-numpy.log2(PROCFLAG.DATATYPE_CHAR))
if datatype == 0:
datatype_str = numpy.dtype([('real','<i1'),('imag','<i1')])
elif datatype == 1:
datatype_str = numpy.dtype([('real','<i2'),('imag','<i2')])
elif datatype == 2:
datatype_str = numpy.dtype([('real','<i4'),('imag','<i4')])
elif datatype == 3:
datatype_str = numpy.dtype([('real','<i8'),('imag','<i8')])
elif datatype == 4:
datatype_str = numpy.dtype([('real','<f4'),('imag','<f4')])
elif datatype == 5:
datatype_str = numpy.dtype([('real','<f8'),('imag','<f8')])
else:
raise ValueError, 'Data type was not defined'
self.dtype = datatype_str
#self.ippSeconds = 2 * 1000 * self.radarControllerHeaderObj.ipp / self.c
self.fileSizeByHeader = self.processingHeaderObj.dataBlocksPerFile * self.processingHeaderObj.blockSize + self.firstHeaderSize + self.basicHeaderSize*(self.processingHeaderObj.dataBlocksPerFile - 1)
# self.dataOut.channelList = numpy.arange(self.systemHeaderObj.numChannels)
# self.dataOut.channelIndexList = numpy.arange(self.systemHeaderObj.numChannels)
self.getBlockDimension()
def __verifyFile(self, filename, msgFlag=True):
msg = None
try:
fp = open(filename, 'rb')
except IOError:
if msgFlag:
print "[Reading] File %s can't be opened" % (filename)
return False
currentPosition = fp.tell()
neededSize = self.processingHeaderObj.blockSize + self.firstHeaderSize
if neededSize == 0:
basicHeaderObj = BasicHeader(LOCALTIME)
systemHeaderObj = SystemHeader()
radarControllerHeaderObj = RadarControllerHeader()
processingHeaderObj = ProcessingHeader()
if not( basicHeaderObj.read(fp) ):
fp.close()
return False
if not( systemHeaderObj.read(fp) ):
fp.close()
return False
if not( radarControllerHeaderObj.read(fp) ):
fp.close()
return False
if not( processingHeaderObj.read(fp) ):
fp.close()
return False
neededSize = processingHeaderObj.blockSize + basicHeaderObj.size
else:
msg = "[Reading] Skipping the file %s due to it hasn't enough data" %filename
fp.close()
fileSize = os.path.getsize(filename)
currentSize = fileSize - currentPosition
if currentSize < neededSize:
if msgFlag and (msg != None):
print msg
return False
return True
def findDatafiles(self, path, startDate=None, endDate=None, expLabel='', ext='.r', walk=True, include_path=False):
path_empty = True
dateList = []
pathList = []
multi_path = path.split(',')
if not walk:
for single_path in multi_path:
if not os.path.isdir(single_path):
continue
fileList = glob.glob1(single_path, "*"+ext)
if not fileList:
continue
path_empty = False
fileList.sort()
for thisFile in fileList:
if not os.path.isfile(os.path.join(single_path, thisFile)):
continue
if not isRadarFile(thisFile):
continue
if not isFileInDateRange(thisFile, startDate, endDate):
continue
thisDate = getDateFromRadarFile(thisFile)
if thisDate in dateList:
continue
dateList.append(thisDate)
pathList.append(single_path)
else:
for single_path in multi_path:
if not os.path.isdir(single_path):
continue
dirList = []
for thisPath in os.listdir(single_path):
if not os.path.isdir(os.path.join(single_path,thisPath)):
continue
if not isRadarFolder(thisPath):
continue
if not isFolderInDateRange(thisPath, startDate, endDate):
continue
dirList.append(thisPath)
if not dirList:
continue
dirList.sort()
for thisDir in dirList:
datapath = os.path.join(single_path, thisDir, expLabel)
fileList = glob.glob1(datapath, "*"+ext)
if not fileList:
continue
path_empty = False
thisDate = getDateFromRadarFolder(thisDir)
pathList.append(datapath)
dateList.append(thisDate)
dateList.sort()
if walk:
pattern_path = os.path.join(multi_path[0], "[dYYYYDDD]", expLabel)
else:
pattern_path = multi_path[0]
if path_empty:
print "[Reading] No *%s files in %s for %s to %s" %(ext, pattern_path, startDate, endDate)
else:
if not dateList:
print "[Reading] Date range selected invalid [%s - %s]: No *%s files in %s)" %(startDate, endDate, ext, path)
if include_path:
return dateList, pathList
return dateList
def setup(self,
path=None,
startDate=None,
endDate=None,
startTime=datetime.time(0,0,0),
endTime=datetime.time(23,59,59),
set=None,
expLabel = "",
ext = None,
online = False,
delay = 60,
walk = True,
getblock = False,
nTxs = 1,
realtime=False,
blocksize=None,
blocktime=None,
skip=None,
cursor=None,
warnings=True,
verbose=True,
server=None):
if server is not None:
if 'tcp://' in server:
address = server
else:
address = 'ipc:///tmp/%s' % server
self.server = address
self.context = zmq.Context()
self.receiver = self.context.socket(zmq.PULL)
self.receiver.connect(self.server)
time.sleep(0.5)
print '[Starting] ReceiverData from {}'.format(self.server)
else:
self.server = None
if path == None:
raise ValueError, "[Reading] The path is not valid"
if ext == None:
ext = self.ext
if online:
print "[Reading] Searching files in online mode..."
for nTries in range( self.nTries ):
fullpath, foldercounter, file, year, doy, set = self.__searchFilesOnLine(path=path, expLabel=expLabel, ext=ext, walk=walk, set=set)
if fullpath:
break
print '[Reading] Waiting %0.2f sec for an valid file in %s: try %02d ...' % (self.delay, path, nTries+1)
sleep( self.delay )
if not(fullpath):
print "[Reading] There 'isn't any valid file in %s" % path
return
self.year = year
self.doy = doy
self.set = set - 1
self.path = path
self.foldercounter = foldercounter
last_set = None
else:
print "[Reading] Searching files in offline mode ..."
pathList, filenameList = self.searchFilesOffLine(path, startDate=startDate, endDate=endDate,
startTime=startTime, endTime=endTime,
set=set, expLabel=expLabel, ext=ext,
walk=walk, cursor=cursor,
skip=skip)
if not(pathList):
self.fileIndex = -1
self.pathList = []
self.filenameList = []
return
self.fileIndex = -1
self.pathList = pathList
self.filenameList = filenameList
file_name = os.path.basename(filenameList[-1])
basename, ext = os.path.splitext(file_name)
last_set = int(basename[-3:])
self.online = online
self.realtime = realtime
self.delay = delay
ext = ext.lower()
self.ext = ext
self.getByBlock = getblock
self.nTxs = nTxs
self.startTime = startTime
self.endTime = endTime
#Added-----------------
self.selBlocksize = blocksize
self.selBlocktime = blocktime
# Verbose-----------
self.verbose = verbose
self.warnings = warnings
if not(self.setNextFile()):
if (startDate!=None) and (endDate!=None):
print "[Reading] No files in range: %s - %s" %(datetime.datetime.combine(startDate,startTime).ctime(), datetime.datetime.combine(endDate,endTime).ctime())
elif startDate != None:
print "[Reading] No files in range: %s" %(datetime.datetime.combine(startDate,startTime).ctime())
else:
print "[Reading] No files"
self.fileIndex = -1
self.pathList = []
self.filenameList = []
return
# self.getBasicHeader()
if last_set != None:
self.dataOut.last_block = last_set * self.processingHeaderObj.dataBlocksPerFile + self.basicHeaderObj.dataBlock
return
def getBasicHeader(self):
self.dataOut.utctime = self.basicHeaderObj.utc + self.basicHeaderObj.miliSecond/1000. + self.profileIndex * self.radarControllerHeaderObj.ippSeconds
self.dataOut.flagDiscontinuousBlock = self.flagDiscontinuousBlock
self.dataOut.timeZone = self.basicHeaderObj.timeZone
self.dataOut.dstFlag = self.basicHeaderObj.dstFlag
self.dataOut.errorCount = self.basicHeaderObj.errorCount
self.dataOut.useLocalTime = self.basicHeaderObj.useLocalTime
self.dataOut.ippSeconds = self.radarControllerHeaderObj.ippSeconds/self.nTxs
# self.dataOut.nProfiles = self.processingHeaderObj.profilesPerBlock*self.nTxs
def getFirstHeader(self):
raise NotImplementedError
def getData(self):
raise NotImplementedError
def hasNotDataInBuffer(self):
raise NotImplementedError
def readBlock(self):
raise NotImplementedError
def isEndProcess(self):
return self.flagNoMoreFiles
def printReadBlocks(self):
print "[Reading] Number of read blocks per file %04d" %self.nReadBlocks
def printTotalBlocks(self):
print "[Reading] Number of read blocks %04d" %self.nTotalBlocks
def printNumberOfBlock(self):
'SPAM!'
# if self.flagIsNewBlock:
# print "[Reading] Block No. %d/%d -> %s" %(self.nReadBlocks,
# self.processingHeaderObj.dataBlocksPerFile,
# self.dataOut.datatime.ctime())
def printInfo(self):
if self.__printInfo == False:
return
self.basicHeaderObj.printInfo()
self.systemHeaderObj.printInfo()
self.radarControllerHeaderObj.printInfo()
self.processingHeaderObj.printInfo()
self.__printInfo = False
def run(self,
path=None,
startDate=None,
endDate=None,
startTime=datetime.time(0,0,0),
endTime=datetime.time(23,59,59),
set=None,
expLabel = "",
ext = None,
online = False,
delay = 60,
walk = True,
getblock = False,
nTxs = 1,
realtime=False,
blocksize=None,
blocktime=None,
skip=None,
cursor=None,
warnings=True,
server=None,
verbose=True, **kwargs):
if not(self.isConfig):
self.setup(path=path,
startDate=startDate,
endDate=endDate,
startTime=startTime,
endTime=endTime,
set=set,
expLabel=expLabel,
ext=ext,
online=online,
delay=delay,
walk=walk,
getblock=getblock,
nTxs=nTxs,
realtime=realtime,
blocksize=blocksize,
blocktime=blocktime,
skip=skip,
cursor=cursor,
warnings=warnings,
server=server,
verbose=verbose)
self.isConfig = True
if server is None:
self.getData()
else:
self.getFromServer()
class JRODataWriter(JRODataIO):
"""
Esta clase permite escribir datos a archivos procesados (.r o ,pdata). La escritura
de los datos siempre se realiza por bloques.
"""
blockIndex = 0
path = None
setFile = None
profilesPerBlock = None
blocksPerFile = None
nWriteBlocks = 0
fileDate = None
def __init__(self, dataOut=None):
raise NotImplementedError
def hasAllDataInBuffer(self):
raise NotImplementedError
def setBlockDimension(self):
raise NotImplementedError
def writeBlock(self):
raise NotImplementedError
def putData(self):
raise NotImplementedError
def getProcessFlags(self):
processFlags = 0
dtype_index = get_dtype_index(self.dtype)
procflag_dtype = get_procflag_dtype(dtype_index)
processFlags += procflag_dtype
if self.dataOut.flagDecodeData:
processFlags += PROCFLAG.DECODE_DATA
if self.dataOut.flagDeflipData:
processFlags += PROCFLAG.DEFLIP_DATA
if self.dataOut.code is not None:
processFlags += PROCFLAG.DEFINE_PROCESS_CODE
if self.dataOut.nCohInt > 1:
processFlags += PROCFLAG.COHERENT_INTEGRATION
if self.dataOut.type == "Spectra":
if self.dataOut.nIncohInt > 1:
processFlags += PROCFLAG.INCOHERENT_INTEGRATION
if self.dataOut.data_dc is not None:
processFlags += PROCFLAG.SAVE_CHANNELS_DC
if self.dataOut.flagShiftFFT:
processFlags += PROCFLAG.SHIFT_FFT_DATA
return processFlags
def setBasicHeader(self):
self.basicHeaderObj.size = self.basicHeaderSize #bytes
self.basicHeaderObj.version = self.versionFile
self.basicHeaderObj.dataBlock = self.nTotalBlocks
utc = numpy.floor(self.dataOut.utctime)
milisecond = (self.dataOut.utctime - utc)* 1000.0
self.basicHeaderObj.utc = utc
self.basicHeaderObj.miliSecond = milisecond
self.basicHeaderObj.timeZone = self.dataOut.timeZone
self.basicHeaderObj.dstFlag = self.dataOut.dstFlag
self.basicHeaderObj.errorCount = self.dataOut.errorCount
def setFirstHeader(self):
"""
Obtiene una copia del First Header
Affected:
self.basicHeaderObj
self.systemHeaderObj
self.radarControllerHeaderObj
self.processingHeaderObj self.
Return:
None
"""
raise NotImplementedError
def __writeFirstHeader(self):
"""
Escribe el primer header del file es decir el Basic header y el Long header (SystemHeader, RadarControllerHeader, ProcessingHeader)
Affected:
__dataType
Return:
None
"""
# CALCULAR PARAMETROS
sizeLongHeader = self.systemHeaderObj.size + self.radarControllerHeaderObj.size + self.processingHeaderObj.size
self.basicHeaderObj.size = self.basicHeaderSize + sizeLongHeader
self.basicHeaderObj.write(self.fp)
self.systemHeaderObj.write(self.fp)
self.radarControllerHeaderObj.write(self.fp)
self.processingHeaderObj.write(self.fp)
def __setNewBlock(self):
"""
Si es un nuevo file escribe el First Header caso contrario escribe solo el Basic Header
Return:
0 : si no pudo escribir nada
1 : Si escribio el Basic el First Header
"""
if self.fp == None:
self.setNextFile()
if self.flagIsNewFile:
return 1
if self.blockIndex < self.processingHeaderObj.dataBlocksPerFile:
self.basicHeaderObj.write(self.fp)
return 1
if not( self.setNextFile() ):
return 0
return 1
def writeNextBlock(self):
"""
Selecciona el bloque siguiente de datos y los escribe en un file
Return:
0 : Si no hizo pudo escribir el bloque de datos
1 : Si no pudo escribir el bloque de datos
"""
if not( self.__setNewBlock() ):
return 0
self.writeBlock()
print "[Writing] Block No. %d/%d" %(self.blockIndex,
self.processingHeaderObj.dataBlocksPerFile)
return 1
def setNextFile(self):
"""
Determina el siguiente file que sera escrito
Affected:
self.filename
self.subfolder
self.fp
self.setFile
self.flagIsNewFile
Return:
0 : Si el archivo no puede ser escrito
1 : Si el archivo esta listo para ser escrito
"""
ext = self.ext
path = self.path
if self.fp != None:
self.fp.close()
timeTuple = time.localtime( self.dataOut.utctime)
subfolder = 'd%4.4d%3.3d' % (timeTuple.tm_year,timeTuple.tm_yday)
fullpath = os.path.join( path, subfolder )
setFile = self.setFile
if not( os.path.exists(fullpath) ):
os.mkdir(fullpath)
setFile = -1 #inicializo mi contador de seteo
else:
filesList = os.listdir( fullpath )
if len( filesList ) > 0:
filesList = sorted( filesList, key=str.lower )
filen = filesList[-1]
# el filename debera tener el siguiente formato
# 0 1234 567 89A BCDE (hex)
# x YYYY DDD SSS .ext
if isNumber( filen[8:11] ):
setFile = int( filen[8:11] ) #inicializo mi contador de seteo al seteo del ultimo file
else:
setFile = -1
else:
setFile = -1 #inicializo mi contador de seteo
setFile += 1
#If this is a new day it resets some values
if self.dataOut.datatime.date() > self.fileDate:
setFile = 0
self.nTotalBlocks = 0
filen = '%s%4.4d%3.3d%3.3d%s' % (self.optchar, timeTuple.tm_year, timeTuple.tm_yday, setFile, ext )
filename = os.path.join( path, subfolder, filen )
fp = open( filename,'wb' )
self.blockIndex = 0
#guardando atributos
self.filename = filename
self.subfolder = subfolder
self.fp = fp
self.setFile = setFile
self.flagIsNewFile = 1
self.fileDate = self.dataOut.datatime.date()
self.setFirstHeader()
print '[Writing] Opening file: %s'%self.filename
self.__writeFirstHeader()
return 1
def setup(self, dataOut, path, blocksPerFile, profilesPerBlock=64, set=None, ext=None, datatype=4):
"""
Setea el tipo de formato en la cual sera guardada la data y escribe el First Header
Inputs:
path : directory where data will be saved
profilesPerBlock : number of profiles per block
set : initial file set
datatype : An integer number that defines data type:
0 : int8 (1 byte)
1 : int16 (2 bytes)
2 : int32 (4 bytes)
3 : int64 (8 bytes)
4 : float32 (4 bytes)
5 : double64 (8 bytes)
Return:
0 : Si no realizo un buen seteo
1 : Si realizo un buen seteo
"""
if ext == None:
ext = self.ext
self.ext = ext.lower()
self.path = path
if set is None:
self.setFile = -1
else:
self.setFile = set - 1
self.blocksPerFile = blocksPerFile
self.profilesPerBlock = profilesPerBlock
self.dataOut = dataOut
self.fileDate = self.dataOut.datatime.date()
#By default
self.dtype = self.dataOut.dtype
if datatype is not None:
self.dtype = get_numpy_dtype(datatype)
if not(self.setNextFile()):
print "[Writing] There isn't a next file"
return 0
self.setBlockDimension()
return 1
def run(self, dataOut, path, blocksPerFile, profilesPerBlock=64, set=None, ext=None, datatype=4, **kwargs):
if not(self.isConfig):
self.setup(dataOut, path, blocksPerFile, profilesPerBlock=profilesPerBlock, set=set, ext=ext, datatype=datatype, **kwargs)
self.isConfig = True
self.putData()