/usr/lib/python3/dist-packages/pyutilib/excel/spreadsheet.py is in python3-pyutilib 5.3.5-1.
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#
# PyUtilib: A Python utility library.
# Copyright (c) 2008 Sandia Corporation.
# This software is distributed under the BSD License.
# Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
# the U.S. Government retains certain rights in this software.
# _________________________________________________________________________
__all__ = ['ExcelSpreadsheet']
import pyutilib.common
#
# Attempt to import openpyxl
#
try:
import openpyxl
_openpyxl=True
except:
_openpyxl=False
#
# Attempt to import xlrd
#
try:
import xlrd
_xlrd=True
except:
_xlrd=False
#
# Attempt to import win32com stuff.
#
try:
from win32com.client.dynamic import Dispatch
from pythoncom import CoInitialize, CoUninitialize
from pythoncom import CoInitialize, CoUninitialize, com_error
_win32com=True
except:
_win32com=False #pragma:nocover
from pyutilib.excel.base import ExcelSpreadsheet_base
if _win32com:
from pyutilib.excel.spreadsheet_win32com import ExcelSpreadsheet_win32com
else:
class ExcelSpreadsheet_win32com(ExcelSpreadsheet_base): pass
if _openpyxl:
from pyutilib.excel.spreadsheet_openpyxl import ExcelSpreadsheet_openpyxl
else:
class ExcelSpreadsheet_openpyxl(ExcelSpreadsheet_base): pass
if _xlrd:
from pyutilib.excel.spreadsheet_xlrd import ExcelSpreadsheet_xlrd
else:
class ExcelSpreadsheet_xlrd(ExcelSpreadsheet_base): pass
class ExcelSpreadsheet(ExcelSpreadsheet_base):
def __new__(cls, *args, **kwds):
#
# Note that this class returns class instances rather than
# class types. This is because these classes are not
# subclasses of ExcelSpreadsheet, and thus the __init__
# method will not be called unless we construct the
# class instances here.
#
ctype = kwds.pop('ctype',None)
if ctype == 'win32com':
return ExcelSpreadsheet_win32com(*args, **kwds)
if ctype == 'openpyxl':
return ExcelSpreadsheet_openpyxl(*args, **kwds)
if ctype == 'xlrd':
return ExcelSpreadsheet_xlrd(*args, **kwds)
#
if _win32com:
return ExcelSpreadsheet_win32com(*args, **kwds)
if _openpyxl:
return ExcelSpreadsheet_openpyxl(*args, **kwds)
if _xlrd:
return ExcelSpreadsheet_xlrd(*args, **kwds)
#
return super(ExcelSpreadsheet, cls).__new__(cls)
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