CSV Data¶
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class
dataprofiler.data_readers.csv_data.
CSVData
(input_file_path=None, data=None, options=None)¶ Bases:
dataprofiler.data_readers.structured_mixins.SpreadSheetDataMixin
,dataprofiler.data_readers.base_data.BaseData
SpreadsheetData class to save and load spreadsheet data
Data class for loading datasets of type CSV. Can be specified by passing in memory data or via a file path. Options pertaining the CSV may also be specified using the options dict parameter. Possible Options:
options = dict( delimiter= type: str data_format= type: str, choices: "dataframe", "records" record_samples_per_line= type: int (only for "records") selected_columns= type: list(str) header= type: any )
delimiter: delimiter used to decipher the csv input file data_format: user selected format in which to return data can only be of specified types: ``` dataframe - (default) loads the dataset as a pandas.DataFrame records - loads the data as rows of text values, the extra parameter
“record_samples_per_line” determines how many rows are combined into a single line
``` selected_columns: columns being selected from the entire dataset header: location of the header in the file quotechar: quote character used in the delimited file
- Parameters
input_file_path (str) – path to the file being loaded or None
data (multiple types) – data being loaded into the class instead of an input file
options (dict) – options pertaining to the data type
- Returns
None
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data_type
= 'csv'¶
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property
selected_columns
¶
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property
delimiter
¶
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property
quotechar
¶
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property
header
¶
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property
is_structured
¶ Determines compatibility with StructuredProfiler
-
property
data
¶
-
property
data_format
¶
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property
file_encoding
¶
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get_batch_generator
(batch_size)¶
-
info
= None¶
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classmethod
is_match
(file_path, options=None)¶ Test the first 1000 lines of a given file to check if the file has valid delimited format or not.
- Parameters
file_path (str) – path to the file to be examined
options (dict) – delimiter read options dict(delimiter=”,”)
- Returns
is file a csv file or not
- Return type
bool
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property
length
¶ Returns the length of the dataset which is loaded.
- Returns
length of the dataset
-
reload
(input_file_path=None, data=None, options=None)¶ Reload the data class with a new dataset. This erases all existing data/options and replaces it with the input data/options.
- Parameters
input_file_path (str) – path to the file being loaded or None
data (multiple types) – data being loaded into the class instead of an input file
options (dict) – options pertaining to the data type
- Returns
None