def readArrayChunk(self, arrayType='d'):
"""writeArray doc..."""
length = self.readUint32()
data = self.read(length, decode=False)
data = StringUtils.toBytes(data)
a = array(arrayType)
a.fromstring(data)
return a
def readArrayChunk(self, arrayType ='d'):
"""writeArray doc..."""
length = self.readUint32()
data = self.read(length, decode=False)
data = StringUtils.toBytes(data)
a = array(arrayType)
a.fromstring(data)
return a
def sha256hmac(cls, key, text):
"""Returns a HMAC-SHA256 hex hash of the specified text based on the specified key."""
msg = cls.base64Encode(text)
hash = hmac.new(StringUtils.toBytes(key),
msg=msg,
digestmod=hashlib.sha256).digest()
return cls.base64Encode(hash)
def _generateHeaders(cls,
keyName,
expires=None,
eTag=None,
maxAge=-1,
gzipped=False):
"""Doc..."""
headers = dict()
if expires:
if StringUtils.isStringType(expires):
headers['Expires'] = StringUtils.toBytes(expires)
elif StringUtils.isBinaryType(expires):
headers['Expires'] = expires
else:
headers['Expires'] = StringUtils.toBytes(
TimeUtils.dateTimeToWebTimestamp(expires))
elif eTag:
headers['ETag'] = StringUtils.toBytes(eTag)
if maxAge > -1:
headers['Cache-Control'] = StringUtils.toBytes(
'max-age=%s; public' % maxAge)
if keyName.endswith('.jpg'):
contentType = MIME_TYPES.JPEG_IMAGE
elif keyName.endswith('.png'):
contentType = MIME_TYPES.PNG_IMAGE
elif keyName.endswith('.gif'):
contentType = MIME_TYPES.GIF_IMAGE
else:
contentType = FileUtils.getMimeType(keyName)
if StringUtils.begins(contentType, ('text/', 'application/')):
contentType = '%s; charset=UTF-8' % contentType
headers['Content-Type'] = contentType
if gzipped:
headers['Content-Encoding'] = 'gzip'
return headers
def _generateHeaders(
cls, keyName, expires =None, eTag =None, maxAge =-1, gzipped =False
):
"""Doc..."""
headers = dict()
if expires:
if StringUtils.isStringType(expires):
headers['Expires'] = StringUtils.toBytes(expires)
elif StringUtils.isBinaryType(expires):
headers['Expires'] = expires
else:
headers['Expires'] = StringUtils.toBytes(
TimeUtils.dateTimeToWebTimestamp(expires))
elif eTag:
headers['ETag'] = StringUtils.toBytes(eTag)
if maxAge > -1:
headers['Cache-Control'] = StringUtils.toBytes(
'max-age=%s; public' % maxAge)
if keyName.endswith('.jpg'):
contentType = MIME_TYPES.JPEG_IMAGE
elif keyName.endswith('.png'):
contentType = MIME_TYPES.PNG_IMAGE
elif keyName.endswith('.gif'):
contentType = MIME_TYPES.GIF_IMAGE
else:
contentType = FileUtils.getMimeType(keyName)
if StringUtils.begins(contentType, ('text/', 'application/')):
contentType = '%s; charset=UTF-8' % contentType
headers['Content-Type'] = contentType
if gzipped:
headers['Content-Encoding'] = 'gzip'
return headers
def toFile(cls, path, value, pretty =False, gzipped =False, throwError =False):
try:
res = StringUtils.toStr2(cls.asString(value, pretty=pretty))
if gzipped:
f = gzip.open(path, 'wb')
f.write(StringUtils.toBytes(res))
else:
f = open(path, 'w+')
f.write(res)
f.close()
return True
except Exception as err:
if throwError:
raise
else:
print(err)
return False
def toFile(cls,
path,
value,
pretty=False,
gzipped=False,
throwError=False):
try:
res = StringUtils.toStr2(cls.asString(value, pretty=pretty))
if gzipped:
f = gzip.open(path, 'wb')
f.write(StringUtils.toBytes(res))
else:
f = open(path, 'w+')
f.write(res)
f.close()
return True
except Exception as err:
if throwError:
raise
else:
print(err)
return False
def sha256hmac(cls, key, text):
"""Returns a HMAC-SHA256 hex hash of the specified text based on the specified key."""
msg = cls.base64Encode(text)
hash = hmac.new(StringUtils.toBytes(key), msg=msg, digestmod=hashlib.sha256).digest()
return cls.base64Encode(hash)
