def getDailyDataFromFTP(localPath, datesList=[]):
dailyDir = 'pub/org/chg/products/CHIRPS-2.0/global_daily/tifs/p25/'
chirpsBaseName = 'chirps-v2.0.'
chirpsExt = '.tif.gz'
# if have dates, only get those files
if not datesList:
# get all files not already in localPath
getFilesFromFTP(ftp_address_CHIRPS, 'anonymous', 'anonymous@', dailyDir, localPath)
else:
sd = datesList[0]
ed = datesList[1]
ftp = openFTP(ftp_address_CHIRPS)
while sd <= ed:
yrs = '{0}'.format(sd.year)
yrDir = path.join(dailyDir, yrs)
fname = sd.strftime("chirps-v2.0.%Y.%m.%d.tif.gz")
logger.debug('Looking for: %s in %s' % fname, yrDir)
localFile = path.join(localPath, fname)
# try to find file in directory
fn = yrDir + '/' + fname
# Download file
getFileFromFTP(ftp, fn, localFile, False)
sd = sd + timedelta(days=1)
ftp.close()
return 0
def downloadDailyDataFromFTP(localPath, dates=None):
dailyDir = 'pub/org/chg/products/CHIRPS-2.0/global_daily/tifs/p25/'
all_files = []
if not dates:
# get all files
getFilesFromFTP(ftp_address_CHIRPS, 'anonymous', 'anonymous@', dailyDir, localPath)
else:
transferList = []
_curYear = ""
_first = True
for d in dates:
y = d.strftime("%Y")
m = d.strftime("%m")
dd = d.strftime("%d")
if y != _curYear:
if _first:
_first = False
_curYear = y
else:
# different year, get all files currently in list
_curDir = "{0}{1}/".format(dailyDir, _curYear)
all_files.extend(getFilesFromFTP(ftp_address_CHIRPS, 'anonymous', 'anonymous@', _curDir, localPath,
False, transferList))
transferList[:] = []
_curYear = y
filename = "chirps-v2.0.{0}.{1}.{2}.tif".format(y, m, dd)
transferList.append(filename)
if transferList:
# get remaining files
_curDir = "{0}{1}/".format(dailyDir, _curYear)
all_files.extend(getFilesFromFTP(ftp_address_CHIRPS, 'anonymous', 'anonymous@', _curDir, localPath, False, transferList))
return all_files
def downloadMonthlyDataFromFTP(localPath, dates=None):
monthlyDir = 'pub/org/chg/products/CHIRPS-2.0/global_monthly/tifs/'
all_files = []
if not dates:
# get all files
all_files.extend(getFilesFromFTP(ftp_address_CHIRPS, 'anonymous', 'anonymous@', monthlyDir, localPath))
else:
transferList = []
for d in dates:
if type(d) is not datetime.date:
d = datetime.datetime.strptime(d, '%Y-%m')
y = d.strftime("%Y")
m = d.strftime("%m")
filename = "chirps-v2.0.{0}.{1}.tif.gz".format(y, m)
transferList.append(filename)
all_files.extend(getFilesFromFTP(ftp_address_CHIRPS, 'anonymous', 'anonymous@', monthlyDir, localPath, False, transferList))
return all_files
def getPentadDataFromFTP(localPath, dates=None):
pentadDir = 'pub/org/chg/products/CHIRPS-2.0/global_pentad/tifs/'
if not dates:
# get all files
getFilesFromFTP(ftp_address_CHIRPS, 'anonymous', 'anonymous@', pentadDir, localPath)
else:
transferList = []
for d in dates:
if type(d) is not datetime.date:
d = datetime.datetime.strptime(d, '%Y-%m-%d')
y = d.strftime("%Y")
m = d.strftime("%m")
dd = (d.strftime("%d")).lstrip("0")
filename = "chirps-v2.0.{0}.{1}.{2}.tif.gz".format(y, m, dd)
transferList.append(filename)
if transferList:
getFilesFromFTP(ftp_address_CHIRPS, 'anonymous', 'anonymous@', pentadDir, localPath, False, transferList)
return 0
def getMonthlyDataFromFTP(localPath, startDate = None, endDate = None):
monthlyDir = 'pub/org/chg/products/CHIRPS-2.0/global_monthly/tifs/'
if not startDate:
# get all files
getFilesFromFTP(ftp_address_CHIRPS, 'anonymous', 'anonymous@', monthlyDir, localPath)
elif not endDate:
# get all months AFTER startDate
ftp = openFTP(ftp_address_CHIRPS, 'anonymous', 'anonymous@')
ftp.cwd(monthlyDir)
filesList = ftp.nlst()
ftp.close()
transferList = []
for f in filesList:
y = int(getCHIRPSYear(f))
m = int(getCHIRPSMonth(f))
file_date = date(y, m, 1)
if (file_date >= startDate):
transferList.append(f)
getFilesFromFTP(ftp_address_CHIRPS, 'anonymous', 'anonymous@', monthlyDir, localPath, False, transferList)
else:
# get all months between startDate and endDate (inclusive)
ftp = openFTP(ftp_address_CHIRPS, 'anonymous', 'anonymous@')
ftp.cwd(monthlyDir)
filesList = ftp.nlst()
ftp.close()
transferList = []
for f in filesList:
y = getCHIRPSYear(f)
m = getCHIRPSMonth(f)
file_date = date(y, m, 1)
if (file_date >= startDate) and (file_date <= endDate):
transferList.append(f)
getFilesFromFTP(ftp_address_CHIRPS, 'anonymous', 'anonymous@', monthlyDir, localPath, False, transferList)
return 0
def downloadSeasonalDataFromFTP(localPath, dates=None):
seasonalDir = 'pub/org/chg/products/CHIRPS-2.0/global_3-monthly/tifs/'
all_files = []
if not dates:
# get all files
all_files.extend(getFilesFromFTP(ftp_address_CHIRPS, 'anonymous', 'anonymous@', seasonalDir, localPath))
else:
transferList = []
for d in dates:
if type(d) is not datetime.date:
d = datetime.datetime.strptime(d, '%Y-%m')
y = d.strftime("%Y")
m = d.strftime("%m")
if m == '11':
s = "111201"
elif m == '12':
s = "120102"
else:
s = "{0}{1}{2}".format(m, str(int(m)+1).zfill(2), str(int(m)+2).zfill(2))
filename = "chirps-v2.0.{0}.{1}.tiff.gz".format(y, s)
transferList.append(filename)
all_files.extend(getFilesFromFTP(ftp_address_CHIRPS, 'anonymous', 'anonymous@', seasonalDir, localPath, False, transferList))
return all_files
def getSeasonalDataFromFTP(localPath):
seasonalDir = 'pub/org/chg/products/CHIRPS-2.0/global_3-monthly/tifs/'
getFilesFromFTP(ftp_address_CHIRPS, 'anonymous', 'anonymous@', seasonalDir, localPath)
return 0
