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64 lines
1.8 KiB
Python
64 lines
1.8 KiB
Python
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# Copyright (c) 2021, Andrew Pantuso (@ajpantuso) <ajpantuso@gmail.com>
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# Copyright (c) 2018, Dag Wieers (@dagwieers) <dag@wieers.com>
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# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
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# SPDX-License-Identifier: GPL-3.0-or-later
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from __future__ import annotations
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import csv
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from io import StringIO
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from ansible.module_utils.common.text.converters import to_native
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class CustomDialectFailureError(Exception):
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pass
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class DialectNotAvailableError(Exception):
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pass
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CSVError = csv.Error
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def initialize_dialect(dialect, **kwargs):
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# Add Unix dialect from Python 3
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class unix_dialect(csv.Dialect):
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"""Describe the usual properties of Unix-generated CSV files."""
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delimiter = ','
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quotechar = '"'
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doublequote = True
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skipinitialspace = False
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lineterminator = '\n'
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quoting = csv.QUOTE_ALL
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csv.register_dialect("unix", unix_dialect)
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if dialect not in csv.list_dialects():
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raise DialectNotAvailableError(f"Dialect '{dialect}' is not supported by your version of python.")
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# Create a dictionary from only set options
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dialect_params = {k: v for k, v in kwargs.items() if v is not None}
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if dialect_params:
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try:
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csv.register_dialect('custom', dialect, **dialect_params)
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except TypeError as e:
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raise CustomDialectFailureError(f"Unable to create custom dialect: {e}")
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dialect = 'custom'
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return dialect
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def read_csv(data, dialect, fieldnames=None):
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BOM = to_native('\ufeff')
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data = to_native(data, errors='surrogate_or_strict')
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if data.startswith(BOM):
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data = data[len(BOM):]
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fake_fh = StringIO(data)
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reader = csv.DictReader(fake_fh, fieldnames=fieldnames, dialect=dialect)
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return reader
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