This is a pre-production deployment of Warehouse, however changes made here WILL affect the production instance of PyPI.
Latest Version Dependencies status unknown Test status unknown Test coverage unknown
Project Description

Cutplace is a tool and API to validate that tabular data stored in CSV, Excel, ODS and PRN files conform to a cutplace interface definition (CID).

As an example, consider the following customers.csv file that stores data about customers:

customer_id,surname,first_name,born,gender
1,Beck,Tyler,1995-11-15,male
2,Gibson,Martin,1969-08-18,male
3,Hopkins,Chester,1982-12-19,male
4,Lopez,Tyler,1930-10-13,male
5,James,Ana,1943-08-10,female
6,Martin,Jon,1932-09-27,male
7,Knight,Carolyn,1977-05-25,female
8,Rose,Tammy,2004-01-12,female
9,Gutierrez,Reginald,2010-05-18,male
10,Phillips,Pauline,1960-11-09,female

A CID can describe such a file in an easy to read way. It consists of three sections. First, there is the general data format:

  Property Value
D Format Delimited
D Encoding UTF-8
D Header 1
D Line delimiter LF
D Item delimiter ,

Next there are the fields stored in the data file:

  Name Example Empty Length Type Rule
F customer_id 3798     Integer 0…99999
F surname Miller   …60    
F first_name John X …60    
F date_of_birth 1978-11-27     DateTime YYYY-MM-DD
F gender male X   Choice female, male

Optionally you can describe conditions that must be met across the whole file:

  Description Type Rule
C customer must be unique IsUnique customer_id

The CID can be stored in common spreadsheet formats, in particular Excel and ODS, for example cid_customers.ods.

Cutplace can validate that the data file conforms to the CID:

$ cutplace cid_customers.ods customers.csv

Now add a new line with a broken date_of_birth:

73921,Harris,Diana,04.08.1953,female

Cutplace rejects this file with the error message:

customers.csv (R12C4): cannot accept field ‘date_of_birth’: date must match format YYYY-MM-DD (%Y-%m-%d) but is: ‘04.08.1953’

Additionally, cutplace provides an easy to use API to read and write tabular data files using a common interface without having to deal with the intrinsic of data format specific modules. To read and validate the above example:

import cutplace
import cutplace.errors

cid_path = 'cid_customers.ods'
data_path = 'customers.csv'
try:
    for row in cutplace.rows(cid_path, data_path):
        pass  # We could also do something useful with the data in ``row`` here.
except cutplace.errors.DataError as error:
    print(error)

For more information, read the documentation at http://cutplace.readthedocs.org/ or visit the project at https://github.com/roskakori/cutplace.

Release History

Release History

0.8.8

This version

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0.8.7

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0.8.6

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0.8.5

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0.8.4

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0.8.3

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0.8.2

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0.8.1

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0.8.0

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0.7.1

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0.7.0

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0.6.8

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0.6.7

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0.6.6

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0.6.5

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0.6.4

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0.6.3

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0.6.2

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0.6.1

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0.6.0

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0.5.8

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0.5.7

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0.5.6

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0.5.5

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0.5.4

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0.5.3

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0.5.2

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0.5.1

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0.5.0

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0.4.4

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0.4.3

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0.4.2

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0.4.1

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0.4.0

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0.3.1

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0.3.0

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0.2.2

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0.2.1

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0.2.0

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0.1.2

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0.1.1

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Download Files

Download Files

TODO: Brief introduction on what you do with files - including link to relevant help section.

File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
cutplace-0.8.8-py2.py3-none-any.whl (72.9 kB) Copy SHA256 Checksum SHA256 3.4 Wheel Nov 13, 2015
cutplace-0.8.8.zip (821.8 kB) Copy SHA256 Checksum SHA256 Source Nov 13, 2015

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