Source code for synapse.ml.cognitive.vision.OCR

# Copyright (C) Microsoft Corporation. All rights reserved.
# Licensed under the MIT License. See LICENSE in project root for information.


import sys
if sys.version >= '3':
    basestring = str

from pyspark import SparkContext, SQLContext
from pyspark.sql import DataFrame
from pyspark.ml.param.shared import *
from pyspark import keyword_only
from pyspark.ml.util import JavaMLReadable, JavaMLWritable
from synapse.ml.core.platform import running_on_synapse_internal
from synapse.ml.core.serialize.java_params_patch import *
from pyspark.ml.wrapper import JavaTransformer, JavaEstimator, JavaModel
from pyspark.ml.evaluation import JavaEvaluator
from pyspark.ml.common import inherit_doc
from synapse.ml.core.schema.Utils import *
from pyspark.ml.param import TypeConverters
from synapse.ml.core.schema.TypeConversionUtils import generateTypeConverter, complexTypeConverter


[docs]@inherit_doc class OCR(ComplexParamsMixin, JavaMLReadable, JavaMLWritable, JavaTransformer): """ Args: AADToken (object): AAD Token used for authentication concurrency (int): max number of concurrent calls concurrentTimeout (float): max number seconds to wait on futures if concurrency >= 1 detectOrientation (object): whether to detect image orientation prior to processing errorCol (str): column to hold http errors handler (object): Which strategy to use when handling requests imageBytes (object): bytestream of the image to use imageUrl (object): the url of the image to use language (object): the language to use outputCol (str): The name of the output column subscriptionKey (object): the API key to use timeout (float): number of seconds to wait before closing the connection url (str): Url of the service """ AADToken = Param(Params._dummy(), "AADToken", "ServiceParam: AAD Token used for authentication") concurrency = Param(Params._dummy(), "concurrency", "max number of concurrent calls", typeConverter=TypeConverters.toInt) concurrentTimeout = Param(Params._dummy(), "concurrentTimeout", "max number seconds to wait on futures if concurrency >= 1", typeConverter=TypeConverters.toFloat) detectOrientation = Param(Params._dummy(), "detectOrientation", "ServiceParam: whether to detect image orientation prior to processing") errorCol = Param(Params._dummy(), "errorCol", "column to hold http errors", typeConverter=TypeConverters.toString) handler = Param(Params._dummy(), "handler", "Which strategy to use when handling requests") imageBytes = Param(Params._dummy(), "imageBytes", "ServiceParam: bytestream of the image to use") imageUrl = Param(Params._dummy(), "imageUrl", "ServiceParam: the url of the image to use") language = Param(Params._dummy(), "language", "ServiceParam: the language to use") outputCol = Param(Params._dummy(), "outputCol", "The name of the output column", typeConverter=TypeConverters.toString) subscriptionKey = Param(Params._dummy(), "subscriptionKey", "ServiceParam: the API key to use") timeout = Param(Params._dummy(), "timeout", "number of seconds to wait before closing the connection", typeConverter=TypeConverters.toFloat) url = Param(Params._dummy(), "url", "Url of the service", typeConverter=TypeConverters.toString) @keyword_only def __init__( self, java_obj=None, AADToken=None, AADTokenCol=None, concurrency=1, concurrentTimeout=None, detectOrientation=None, detectOrientationCol=None, errorCol="OCR_1be0c22db1bd_error", handler=None, imageBytes=None, imageBytesCol=None, imageUrl=None, imageUrlCol=None, language=None, languageCol=None, outputCol="OCR_1be0c22db1bd_output", subscriptionKey=None, subscriptionKeyCol=None, timeout=60.0, url=None ): super(OCR, self).__init__() if java_obj is None: self._java_obj = self._new_java_obj("com.microsoft.azure.synapse.ml.cognitive.vision.OCR", self.uid) else: self._java_obj = java_obj self._setDefault(concurrency=1) self._setDefault(errorCol="OCR_1be0c22db1bd_error") self._setDefault(outputCol="OCR_1be0c22db1bd_output") self._setDefault(timeout=60.0) if hasattr(self, "_input_kwargs"): kwargs = self._input_kwargs else: kwargs = self.__init__._input_kwargs if java_obj is None: for k,v in kwargs.items(): if v is not None: getattr(self, "set" + k[0].upper() + k[1:])(v)
[docs] @keyword_only def setParams( self, AADToken=None, AADTokenCol=None, concurrency=1, concurrentTimeout=None, detectOrientation=None, detectOrientationCol=None, errorCol="OCR_1be0c22db1bd_error", handler=None, imageBytes=None, imageBytesCol=None, imageUrl=None, imageUrlCol=None, language=None, languageCol=None, outputCol="OCR_1be0c22db1bd_output", subscriptionKey=None, subscriptionKeyCol=None, timeout=60.0, url=None ): """ Set the (keyword only) parameters """ if hasattr(self, "_input_kwargs"): kwargs = self._input_kwargs else: kwargs = self.__init__._input_kwargs return self._set(**kwargs)
[docs] @classmethod def read(cls): """ Returns an MLReader instance for this class. """ return JavaMMLReader(cls)
[docs] @staticmethod def getJavaPackage(): """ Returns package name String. """ return "com.microsoft.azure.synapse.ml.cognitive.vision.OCR"
@staticmethod def _from_java(java_stage): module_name=OCR.__module__ module_name=module_name.rsplit(".", 1)[0] + ".OCR" return from_java(java_stage, module_name)
[docs] def setAADToken(self, value): """ Args: AADToken: AAD Token used for authentication """ if isinstance(value, list): value = SparkContext._active_spark_context._jvm.com.microsoft.azure.synapse.ml.param.ServiceParam.toSeq(value) self._java_obj = self._java_obj.setAADToken(value) return self
[docs] def setAADTokenCol(self, value): """ Args: AADToken: AAD Token used for authentication """ self._java_obj = self._java_obj.setAADTokenCol(value) return self
[docs] def setConcurrency(self, value): """ Args: concurrency: max number of concurrent calls """ self._set(concurrency=value) return self
[docs] def setConcurrentTimeout(self, value): """ Args: concurrentTimeout: max number seconds to wait on futures if concurrency >= 1 """ self._set(concurrentTimeout=value) return self
[docs] def setDetectOrientation(self, value): """ Args: detectOrientation: whether to detect image orientation prior to processing """ if isinstance(value, list): value = SparkContext._active_spark_context._jvm.com.microsoft.azure.synapse.ml.param.ServiceParam.toSeq(value) self._java_obj = self._java_obj.setDetectOrientation(value) return self
[docs] def setDetectOrientationCol(self, value): """ Args: detectOrientation: whether to detect image orientation prior to processing """ self._java_obj = self._java_obj.setDetectOrientationCol(value) return self
[docs] def setErrorCol(self, value): """ Args: errorCol: column to hold http errors """ self._set(errorCol=value) return self
[docs] def setHandler(self, value): """ Args: handler: Which strategy to use when handling requests """ self._set(handler=value) return self
[docs] def setImageBytes(self, value): """ Args: imageBytes: bytestream of the image to use """ if isinstance(value, list): value = SparkContext._active_spark_context._jvm.com.microsoft.azure.synapse.ml.param.ServiceParam.toSeq(value) self._java_obj = self._java_obj.setImageBytes(value) return self
[docs] def setImageBytesCol(self, value): """ Args: imageBytes: bytestream of the image to use """ self._java_obj = self._java_obj.setImageBytesCol(value) return self
[docs] def setImageUrl(self, value): """ Args: imageUrl: the url of the image to use """ if isinstance(value, list): value = SparkContext._active_spark_context._jvm.com.microsoft.azure.synapse.ml.param.ServiceParam.toSeq(value) self._java_obj = self._java_obj.setImageUrl(value) return self
[docs] def setImageUrlCol(self, value): """ Args: imageUrl: the url of the image to use """ self._java_obj = self._java_obj.setImageUrlCol(value) return self
[docs] def setLanguage(self, value): """ Args: language: the language to use """ if isinstance(value, list): value = SparkContext._active_spark_context._jvm.com.microsoft.azure.synapse.ml.param.ServiceParam.toSeq(value) self._java_obj = self._java_obj.setLanguage(value) return self
[docs] def setLanguageCol(self, value): """ Args: language: the language to use """ self._java_obj = self._java_obj.setLanguageCol(value) return self
[docs] def setOutputCol(self, value): """ Args: outputCol: The name of the output column """ self._set(outputCol=value) return self
[docs] def setSubscriptionKey(self, value): """ Args: subscriptionKey: the API key to use """ if isinstance(value, list): value = SparkContext._active_spark_context._jvm.com.microsoft.azure.synapse.ml.param.ServiceParam.toSeq(value) self._java_obj = self._java_obj.setSubscriptionKey(value) return self
[docs] def setSubscriptionKeyCol(self, value): """ Args: subscriptionKey: the API key to use """ self._java_obj = self._java_obj.setSubscriptionKeyCol(value) return self
[docs] def setTimeout(self, value): """ Args: timeout: number of seconds to wait before closing the connection """ self._set(timeout=value) return self
[docs] def setUrl(self, value): """ Args: url: Url of the service """ self._set(url=value) return self
[docs] def getAADToken(self): """ Returns: AADToken: AAD Token used for authentication """ return self._java_obj.getAADToken()
[docs] def getConcurrency(self): """ Returns: concurrency: max number of concurrent calls """ return self.getOrDefault(self.concurrency)
[docs] def getConcurrentTimeout(self): """ Returns: concurrentTimeout: max number seconds to wait on futures if concurrency >= 1 """ return self.getOrDefault(self.concurrentTimeout)
[docs] def getDetectOrientation(self): """ Returns: detectOrientation: whether to detect image orientation prior to processing """ return self._java_obj.getDetectOrientation()
[docs] def getErrorCol(self): """ Returns: errorCol: column to hold http errors """ return self.getOrDefault(self.errorCol)
[docs] def getHandler(self): """ Returns: handler: Which strategy to use when handling requests """ return self.getOrDefault(self.handler)
[docs] def getImageBytes(self): """ Returns: imageBytes: bytestream of the image to use """ return self._java_obj.getImageBytes()
[docs] def getImageUrl(self): """ Returns: imageUrl: the url of the image to use """ return self._java_obj.getImageUrl()
[docs] def getLanguage(self): """ Returns: language: the language to use """ return self._java_obj.getLanguage()
[docs] def getOutputCol(self): """ Returns: outputCol: The name of the output column """ return self.getOrDefault(self.outputCol)
[docs] def getSubscriptionKey(self): """ Returns: subscriptionKey: the API key to use """ return self._java_obj.getSubscriptionKey()
[docs] def getTimeout(self): """ Returns: timeout: number of seconds to wait before closing the connection """ return self.getOrDefault(self.timeout)
[docs] def getUrl(self): """ Returns: url: Url of the service """ return self.getOrDefault(self.url)
[docs] def setCustomServiceName(self, value): self._java_obj = self._java_obj.setCustomServiceName(value) return self
[docs] def setEndpoint(self, value): self._java_obj = self._java_obj.setEndpoint(value) return self
[docs] def setDefaultInternalEndpoint(self, value): self._java_obj = self._java_obj.setDefaultInternalEndpoint(value) return self
def _transform(self, dataset: DataFrame) -> DataFrame: if running_on_synapse_internal(): from synapse.ml.mlflow import get_mlflow_env_config mlflow_env_configs = get_mlflow_env_config() self._java_obj.setDefaultAADToken(mlflow_env_configs.driver_aad_token) self.setDefaultInternalEndpoint(mlflow_env_configs.workload_endpoint) return super()._transform(dataset)
[docs] def setLocation(self, value): self._java_obj = self._java_obj.setLocation(value) return self
[docs] def setLinkedService(self, value): self._java_obj = self._java_obj.setLinkedService(value) return self