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xlsx2csv.py
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#!/usr/bin/env python
#
# The MIT License
#
# Copyright (c) 2022 Dilshod Temirkhodjaev
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
__author__ = "Dilshod Temirkhodjaev <[email protected]>"
__license__ = "MIT"
__version__ = "0.8.2"
import csv, datetime, zipfile, sys, os, re, signal, io
import xml.parsers.expat
from decimal import Decimal
from xml.dom import minidom
try:
# python2.4
from cStringIO import StringIO
except:
pass
try:
from argparse import ArgumentParser
except:
# python2.4
from optparse import OptionParser
# see also ruby-roo lib at: http://github.com/hmcgowan/roo
FORMATS = {
'general': 'float',
'0': 'float',
'0.00': 'float',
'#,##0': 'float',
'#,##0.00': 'float',
'0%': 'percentage',
'0.00%': 'percentage',
'0.00e+00': 'float',
'mm-dd-yy': 'date',
'd-mmm-yy': 'date',
'd-mmm': 'date',
'mmm-yy': 'date',
'h:mm am/pm': 'date',
'h:mm:ss am/pm': 'date',
'h:mm': 'time',
'h:mm:ss': 'time',
'm/d/yy h:mm': 'date',
'#,##0 ;(#,##0)': 'float',
'#,##0 ;[red](#,##0)': 'float',
'#,##0.00;(#,##0.00)': 'float',
'#,##0.00;[red](#,##0.00)': 'float',
'mm:ss': 'time',
'[h]:mm:ss': 'time',
'mmss.0': 'time',
'##0.0e+0': 'float',
'@': 'float',
'yyyy\\-mm\\-dd': 'date',
'dd/mm/yy': 'date',
'hh:mm:ss': 'time',
"dd/mm/yy\\ hh:mm": 'date',
'dd/mm/yyyy hh:mm:ss': 'date',
'yy-mm-dd': 'date',
'd-mmm-yyyy': 'date',
'm/d/yy': 'date',
'm/d/yyyy': 'date',
'dd-mmm-yyyy': 'date',
'dd/mm/yyyy': 'date',
'mm/dd/yy h:mm am/pm': 'date',
'mm/dd/yy hh:mm': 'date',
'mm/dd/yyyy h:mm am/pm': 'date',
'mm/dd/yyyy hh:mm:ss': 'date',
'yyyy-mm-dd hh:mm:ss': 'date',
'#,##0;(#,##0)': 'float',
'_(* #,##0_);_(* (#,##0);_(* "-"??_);_(@_)': 'float',
'_(* #,##0.00_);_(* (#,##0.00);_(* "-"??_);_(@_)': 'float'
}
STANDARD_FORMATS = {
0: 'general',
1: '0',
2: '0.00',
3: '#,##0',
4: '#,##0.00',
9: '0%',
10: '0.00%',
11: '0.00e+00',
12: '# ?/?',
13: '# ??/??',
14: 'mm-dd-yy',
15: 'd-mmm-yy',
16: 'd-mmm',
17: 'mmm-yy',
18: 'h:mm am/pm',
19: 'h:mm:ss am/pm',
20: 'h:mm',
21: 'h:mm:ss',
22: 'm/d/yy h:mm',
37: '#,##0 ;(#,##0)',
38: '#,##0 ;[red](#,##0)',
39: '#,##0.00;(#,##0.00)',
40: '#,##0.00;[red](#,##0.00)',
45: 'mm:ss',
46: '[h]:mm:ss',
47: 'mmss.0',
48: '##0.0e+0',
49: '@',
}
CONTENT_TYPES = {
'shared_strings',
'styles',
'workbook',
'worksheet',
'relationships',
}
DEFAULT_APP_PATH = "/xl"
DEFAULT_WORKBOOK_PATH = DEFAULT_APP_PATH + "/workbook.xml"
class XlsxException(Exception):
pass
class InvalidXlsxFileException(XlsxException):
pass
class SheetNotFoundException(XlsxException):
pass
class OutFileAlreadyExistsException(XlsxException):
pass
class XlsxValueError(XlsxException):
pass
class Xlsx2csv:
"""
Usage: Xlsx2csv("test.xslx", **params).convert("test.csv", sheetid=1)
Input:
xlsxfile - path to file or filehandle
options:
sheetid - sheet no to convert (0 for all sheets)
sheetname - sheet name to convert
dateformat - override date/time format
timeformat - override time format
floatformat - override float format
quoting - if and how to quote
delimiter - csv columns delimiter symbol
sheetdelimiter - sheets delimiter used when processing all sheets
skip_empty_lines - skip empty lines
skip_trailing_columns - skip trailing columns
hyperlinks - include hyperlinks
include_sheet_pattern - only include sheets named matching given pattern
exclude_sheet_pattern - exclude sheets named matching given pattern
exclude_hidden_sheets - exclude hidden sheets
skip_hidden_rows - skip hidden rows
"""
def __init__(self, xlsxfile, **options):
options.setdefault("delimiter", ",")
options.setdefault("quoting", csv.QUOTE_MINIMAL)
options.setdefault("sheetdelimiter", "--------")
options.setdefault("dateformat", None)
options.setdefault("timeformat", None)
options.setdefault("floatformat", None)
options.setdefault("scifloat", False)
options.setdefault("skip_empty_lines", False)
options.setdefault("skip_trailing_columns", False)
options.setdefault("escape_strings", False)
options.setdefault("no_line_breaks", False)
options.setdefault("hyperlinks", False)
options.setdefault("include_sheet_pattern", ["^.*$"])
options.setdefault("exclude_sheet_pattern", [])
options.setdefault("exclude_hidden_sheets", False)
options.setdefault("merge_cells", False)
options.setdefault("ignore_formats", [''])
options.setdefault("lineterminator", "\n")
options.setdefault("outputencoding", "utf-8")
options.setdefault("skip_hidden_rows", True)
self.options = options
self.py3 = sys.version_info[0] == 3
self.ziphandle = None
xlsxinputfile = None
if xlsxfile == "-" and self.py3:
xlsxfile = "STDIN"
if sys.stdin.buffer.seekable():
xlsxinputfile = sys.stdin.buffer
else:
xlsxinputfile = io.BytesIO(sys.stdin.buffer.read())
elif xlsxfile == "-" and not self.py3:
raise ValueError("The - notation for STDIN is not supported for python2")
else:
xlsxinputfile = xlsxfile
try:
self.ziphandle = zipfile.ZipFile(xlsxinputfile)
except (zipfile.BadZipfile, IOError):
raise InvalidXlsxFileException("Invalid xlsx file: " + str(xlsxfile))
self.content_types = self._parse(ContentTypes, "/[Content_Types].xml")
self.shared_strings = self._parse(SharedStrings, self.content_types.types["shared_strings"])
self.styles = self._parse(Styles, self.content_types.types["styles"])
self.workbook = self._parse(Workbook, self.content_types.types["workbook"])
workbook_relationships = list(filter(lambda r: "book" in r, self.content_types.types["relationships"]))[0]
self.workbook.relationships = self._parse(Relationships, workbook_relationships)
if self.options['no_line_breaks']:
self.shared_strings.replace_line_breaks()
elif self.options['escape_strings']:
self.shared_strings.escape_strings()
def __del__(self):
if self.ziphandle:
# make sure to close zip file
self.ziphandle.close()
def getSheetIdByName(self, name):
for s in self.workbook.sheets:
if s['name'] == name:
return s['index']
return None
def convert(self, outfile, sheetid=1, sheetname=None):
"""outfile - path to file or filehandle"""
if sheetname:
sheetid = self.getSheetIdByName(sheetname)
if not sheetid:
raise XlsxException("Sheet '%s' not found" % sheetname)
if sheetid > 0:
self._convert(sheetid, outfile)
else:
if isinstance(outfile, str):
if not os.path.exists(outfile):
os.makedirs(outfile)
elif os.path.isfile(outfile):
raise OutFileAlreadyExistsException("File " + str(outfile) + " already exists!")
for s in self.workbook.sheets:
sheetname = s['name']
sheetstate = s['state']
# filter hidden sheets
if sheetstate in ('hidden', 'veryHidden') and self.options['exclude_hidden_sheets']:
continue
# filter sheets by include pattern
include_sheet_pattern = self.options['include_sheet_pattern']
if type(include_sheet_pattern) == type(""): # optparser lib fix
include_sheet_pattern = [include_sheet_pattern]
if len(include_sheet_pattern) > 0:
include = False
for pattern in include_sheet_pattern:
include = pattern and len(pattern) > 0 and re.match(pattern, sheetname)
if include:
break
if not include:
continue
# filter sheets by exclude pattern
exclude_sheet_pattern = self.options['exclude_sheet_pattern']
if type(exclude_sheet_pattern) == type(""): # optparser lib fix
exclude_sheet_pattern = [exclude_sheet_pattern]
exclude = False
for pattern in exclude_sheet_pattern:
exclude = pattern and len(pattern) > 0 and re.match(pattern, sheetname)
if exclude:
break
if exclude:
continue
if not self.py3:
sheetname = sheetname.encode('utf-8')
of = outfile
if isinstance(outfile, str):
of = os.path.join(outfile, sheetname + '.csv')
elif self.options['sheetdelimiter'] and len(self.options['sheetdelimiter']):
of.write(self.options['sheetdelimiter'] + " " + str(s['index']) + " - " + sheetname + self.options['lineterminator'])
self._convert(s['index'], of)
def _convert(self, sheet_index, outfile):
closefile = False
if isinstance(outfile, str):
if sys.version_info[0] == 2:
outfile = open(outfile, 'wb+')
elif sys.version_info[0] == 3:
outfile = open(outfile, 'w+', encoding=self.options['outputencoding'], newline="")
else:
raise XlsxException("error: version of your python is not supported: " + str(sys.version_info) + "\n")
closefile = True
try:
writer = csv.writer(outfile, quoting=self.options['quoting'], delimiter=self.options['delimiter'],
lineterminator=self.options['lineterminator'])
sheets_filtered = list(filter(lambda s: s['index'] == sheet_index, self.workbook.sheets))
if len(sheets_filtered) == 0:
raise XlsxValueError("Sheet with index %i not found or can't be handled" % sheet_index)
sheet_path = None
# using sheet relation information
if 'relation_id' in sheets_filtered[0] and sheets_filtered[0]['relation_id'] is not None:
relation_id = sheets_filtered[0]['relation_id']
if relation_id in self.workbook.relationships.relationships and \
'target' in self.workbook.relationships.relationships[relation_id]:
relationship = self.workbook.relationships.relationships[relation_id]
sheet_path = relationship['target']
if not (sheet_path.startswith("/xl/") or sheet_path.startswith("xl/")):
sheet_path = "/xl/" + sheet_path
sheet_file = None
if sheet_path is None:
sheet_path = "/xl/worksheets/sheet%i.xml" % sheet_index
sheet_file = self._filehandle(sheet_path)
if sheet_file is None:
sheet_path = None
if sheet_path is None:
sheet_path = "/xl/worksheets/worksheet%i.xml" % sheet_index
sheet_file = self._filehandle(sheet_path)
if sheet_file is None:
sheet_path = None
if sheet_path is None and sheet_index == 1:
sheet_path = self.content_types.types["worksheet"]
sheet_file = self._filehandle(sheet_path)
if sheet_file is None:
sheet_path = None
if sheet_file is None and sheet_path is not None:
sheet_file = self._filehandle(sheet_path)
if sheet_file is None:
raise SheetNotFoundException("Sheet %i not found" % sheet_index)
sheet = Sheet(self.workbook, self.shared_strings, self.styles, sheet_file)
try:
relationships_path = os.path.join(os.path.dirname(sheet_path),
"_rels",
os.path.basename(sheet_path) + ".rels")
sheet.relationships = self._parse(Relationships, relationships_path)
sheet.set_dateformat(self.options['dateformat'])
sheet.set_timeformat(self.options['timeformat'])
sheet.set_floatformat(self.options['floatformat'])
sheet.set_skip_empty_lines(self.options['skip_empty_lines'])
sheet.set_skip_trailing_columns(self.options['skip_trailing_columns'])
sheet.set_include_hyperlinks(self.options['hyperlinks'])
sheet.set_merge_cells(self.options['merge_cells'])
sheet.set_scifloat(self.options['scifloat'])
sheet.set_ignore_formats(self.options['ignore_formats'])
sheet.set_skip_hidden_rows(self.options['skip_hidden_rows'])
if self.options['escape_strings'] and sheet.filedata:
sheet.filedata = re.sub(r"(<v>[^<>]+) ([^<>]+</v>)", r"\1\\n\2",
re.sub(r"(<v>[^<>]+)	([^<>]+</v>)", r"\1\\t\2",
re.sub(r"(<v>[^<>]+) ([^<>]+</v>)", r"\1\\r\2", sheet.filedata.decode())))
sheet.to_csv(writer)
finally:
sheet_file.close()
sheet.close()
finally:
if closefile:
outfile.close()
def _filehandle(self, filename):
for name in filter(lambda f: filename and f.lower() == filename.lower()[1:], self.ziphandle.namelist()):
# python2.4 fix
if not hasattr(self.ziphandle, "open"):
return StringIO(self.ziphandle.read(name))
return self.ziphandle.open(name, "r")
return None
def _parse(self, klass, filename):
instance = klass()
filehandle = self._filehandle(filename)
if filehandle:
instance.parse(filehandle)
filehandle.close()
return instance
class Workbook:
def __init__(self):
self.sheets = list()
self.date1904 = False
def parse(self, filehandle):
workbookDoc = minidom.parseString(filehandle.read())
if workbookDoc.firstChild.namespaceURI:
fileVersion = workbookDoc.firstChild.getElementsByTagNameNS(workbookDoc.firstChild.namespaceURI,
"fileVersion")
else:
fileVersion = workbookDoc.firstChild.getElementsByTagName("fileVersion")
if len(fileVersion) == 0:
self.appName = DEFAULT_APP_PATH
else:
try:
if workbookDoc.firstChild.namespaceURI:
self.appName = \
workbookDoc.firstChild.getElementsByTagNameNS(
workbookDoc.firstChild.namespaceURI, "fileVersion")[0]._attrs['appName'].value
else:
self.appName = workbookDoc.firstChild.getElementsByTagName("fileVersion")[0]._attrs['appName'].value
except KeyError:
# no app name
self.appName = DEFAULT_APP_PATH
try:
if workbookDoc.firstChild.namespaceURI:
self.date1904 = \
workbookDoc.firstChild.getElementsByTagNameNS(
workbookDoc.firstChild.namespaceURI, "workbookPr")[0]._attrs['date1904'].value.lower().strip() \
!= "false"
else:
self.date1904 = \
workbookDoc.firstChild.getElementsByTagName("workbookPr")[0] \
._attrs['date1904'].value.lower().strip() \
!= "false"
except:
pass
if workbookDoc.firstChild.namespaceURI:
sheets = workbookDoc.firstChild.getElementsByTagNameNS(workbookDoc.firstChild.namespaceURI, "sheets")[0]
else:
sheets = workbookDoc.firstChild.getElementsByTagName("sheets")[0]
if workbookDoc.firstChild.namespaceURI:
sheetNodes = sheets.getElementsByTagNameNS(workbookDoc.firstChild.namespaceURI, "sheet")
else:
sheetNodes = sheets.getElementsByTagName("sheet")
for i, sheetNode in enumerate(sheetNodes):
attrs = sheetNode._attrs
name = attrs["name"].value
state = None
if 'state' in attrs:
state = attrs["state"].value
relation_id = None
if 'r:id' in attrs:
relation_id = attrs['r:id'].value
self.sheets.append(
{
'name': name,
'relation_id': relation_id,
'index': i + 1,
'id': i + 1, # remove id starting 0.8.0 version
'state': state
}
)
class ContentTypes:
def __init__(self):
self.types = {}
for type in CONTENT_TYPES:
self.types[type] = None
def parse(self, filehandle):
types = minidom.parseString(filehandle.read()).firstChild
if not types:
return
if types.namespaceURI:
overrideNodes = types.getElementsByTagNameNS(types.namespaceURI, "Override")
else:
overrideNodes = types.getElementsByTagName("Override")
for override in overrideNodes:
attrs = override._attrs
type = attrs.get('ContentType').value
name = attrs.get('PartName').value
if type == "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet.main+xml":
self.types["workbook"] = name
elif type == "application/vnd.openxmlformats-officedocument.spreadsheetml.styles+xml":
self.types["styles"] = name
elif type == "application/vnd.openxmlformats-officedocument.spreadsheetml.worksheet+xml":
# BUG preserved only last sheet
self.types["worksheet"] = name
elif type == "application/vnd.openxmlformats-officedocument.spreadsheetml.sharedStrings+xml":
self.types["shared_strings"] = name
elif type == "application/vnd.openxmlformats-package.relationships+xml":
if self.types["relationships"] is None:
self.types["relationships"] = list()
self.types["relationships"].append(name)
if self.types["workbook"] is None:
self.types["workbook"] = DEFAULT_WORKBOOK_PATH
if self.types["relationships"] is None:
self.types["relationships"] = [os.path.dirname(self.types["workbook"]) + "/_rels/" + \
os.path.basename(self.types["workbook"]) + ".rels"]
class Relationships:
def __init__(self):
self.relationships = {}
def parse(self, filehandle):
doc = minidom.parseString(filehandle.read())
if doc.namespaceURI:
relationships = doc.getElementsByTagNameNS(doc.namespaceURI, "Relationships")
else:
relationships = doc.getElementsByTagName("Relationships")
if not relationships:
return
if doc.namespaceURI:
relationshipNodes = relationships[0].getElementsByTagNameNS(doc.namespaceURI, "Relationship")
else:
relationshipNodes = relationships[0].getElementsByTagName("Relationship")
for rel in relationshipNodes:
attrs = rel._attrs
rId = attrs.get('Id')
if rId:
vtype = attrs.get('Type')
target = attrs.get('Target')
self.relationships[str(rId.value)] = {
"type": vtype and str(vtype.value) or None,
"target": target and str(target.value) or None
}
class Styles:
def __init__(self):
self.numFmts = {}
self.cellXfs = []
def parse(self, filehandle):
styles = minidom.parseString(filehandle.read()).firstChild
# numFmts
if styles.namespaceURI:
numFmtsElement = styles.getElementsByTagNameNS(styles.namespaceURI, "numFmts")
else:
numFmtsElement = styles.getElementsByTagName("numFmts")
if len(numFmtsElement) == 1:
for numFmt in numFmtsElement[0].childNodes:
if numFmt.nodeType == minidom.Node.ELEMENT_NODE:
numFmtId = int(numFmt._attrs['numFmtId'].value)
formatCode = numFmt._attrs['formatCode'].value.lower().replace('\\', '')
self.numFmts[numFmtId] = formatCode
if styles.namespaceURI:
cellXfsElement = styles.getElementsByTagNameNS(styles.namespaceURI, "cellXfs")
else:
cellXfsElement = styles.getElementsByTagName("cellXfs")
if len(cellXfsElement) == 1:
for cellXfs in cellXfsElement[0].childNodes:
if cellXfs.nodeType != minidom.Node.ELEMENT_NODE or not (
cellXfs.nodeName == "xf" or cellXfs.nodeName.endswith(":xf")):
continue
if cellXfs._attrs and 'numFmtId' in cellXfs._attrs:
numFmtId = int(cellXfs._attrs['numFmtId'].value)
if self.chk_exists(numFmtId) == None:
numFmtId = int(cellXfs._attrs['applyNumberFormat'].value)
self.cellXfs.append(numFmtId)
else:
self.cellXfs.append(None)
# When Unknown Numformat ID assign applyNumberFormat
def chk_exists(self, numFmtId):
xfs_numfmt = numFmtId
format_str = None
if xfs_numfmt in self.numFmts:
format_str = self.numFmts[xfs_numfmt]
elif xfs_numfmt in STANDARD_FORMATS:
format_str = STANDARD_FORMATS[xfs_numfmt]
return format_str
class SharedStrings:
def __init__(self):
self.parser = None
self.strings = []
self.si = False
self.t = False
self.rPh = False
self.value = ""
def parse(self, filehandle):
self.parser = xml.parsers.expat.ParserCreate()
self.parser.CharacterDataHandler = self.handleCharData
self.parser.StartElementHandler = self.handleStartElement
self.parser.EndElementHandler = self.handleEndElement
self.parser.ParseFile(filehandle)
def escape_strings(self):
for i in range(0, len(self.strings)):
self.strings[i] = self.strings[i].replace("\r", "\\r").replace("\n", "\\n").replace("\t", "\\t")
def replace_line_breaks(self):
for i in range(0, len(self.strings)):
self.strings[i] = self.strings[i].replace("\r", " ").replace("\n", " ").replace("\t", " ")
def handleCharData(self, data):
if self.t:
self.value += data
def handleStartElement(self, name, attrs):
# ignore namespace
i = name.find(":")
if i >= 0:
name = name[i + 1:]
if name == 'si':
self.si = True
self.value = ""
elif name == 't' and self.rPh:
self.t = False
elif name == 't' and self.si:
self.t = True
elif name == 'rPh':
self.rPh = True
def handleEndElement(self, name):
# ignore namespace
i = name.find(":")
if i >= 0:
name = name[i + 1:]
if name == 'si':
self.si = False
self.strings.append(self.value)
elif name == 't':
self.t = False
elif name == 'rPh':
self.rPh = False
class Sheet:
def __init__(self, workbook, sharedString, styles, filehandle):
self.py3 = sys.version_info[0] == 3
self.parser = None
self.writer = None
self.sharedString = None
self.styles = None
self.relationships = None
self.columns_count = -1
self.in_sheet = False
self.in_row = False
self.in_cell = False
self.in_cell_value = False
self.columns = {}
self.lastRowNum = 0
self.rowNum = None
self.colType = None
self.cellId = None
self.s_attr = None
self.data = None
self.max_columns = -1
self.dateformat = None
self.timeformat = "%H:%M" # default time format
self.floatformat = None
self.skip_empty_lines = False
self.skip_trailing_columns = False
self.filedata = None
self.filehandle = filehandle
self.workbook = workbook
self.sharedStrings = sharedString.strings
self.styles = styles
self.hyperlinks = {}
self.mergeCells = {}
self.ignore_formats = []
self.skip_hidden_rows = False
self.colIndex = 0
self.colNum = ""
def close(self):
# Make sure Worksheet is closed, parsers lib does not have a close() function, so simply delete it
self.parser = None
def set_dateformat(self, dateformat):
self.dateformat = dateformat
def set_timeformat(self, timeformat):
if timeformat:
self.timeformat = timeformat
def set_floatformat(self, floatformat):
self.floatformat = floatformat
def set_skip_empty_lines(self, skip):
self.skip_empty_lines = skip
def set_skip_trailing_columns(self, skip):
self.skip_trailing_columns = skip
def set_ignore_formats(self, ignore_formats):
self.ignore_formats = ignore_formats
def set_skip_hidden_rows(self, skip_hidden_rows):
self.skip_hidden_rows = skip_hidden_rows
def set_merge_cells(self, mergecells):
if not mergecells:
return
if not self.filedata:
self.filedata = self.filehandle.read()
data = str(self.filedata) # python3: convert byte buffer to string
# find worksheet tag, we need namespaces from it
start = data.find("<worksheet")
if start < 0:
return
end = data.find(">", start)
worksheet = data[start: end + 1]
# find hyperlinks part
start = data.find("<mergeCells")
if start < 0:
# hyperlinks not found
return
end = data.find("</mergeCells>")
data = data[start: end + 13]
# parse hyperlinks
doc = minidom.parseString(worksheet + data + "</worksheet>").firstChild
if doc.namespaceURI:
mergeCells = doc.getElementsByTagNameNS(doc.namespaceURI, "mergeCell")
else:
mergeCells = doc.getElementsByTagName("mergeCell")
for mergeCell in mergeCells:
attrs = mergeCell._attrs
if 'ref' in attrs.keys():
rangeStr = attrs['ref'].value
rng = rangeStr.split(":")
if len(rng) > 1:
for cell in self._range(rangeStr):
self.mergeCells[cell] = {}
self.mergeCells[cell]['copyFrom'] = rng[0]
def set_scifloat(self, scifloat):
self.scifloat = scifloat
def set_include_hyperlinks(self, hyperlinks):
if not hyperlinks or not self.relationships or not self.relationships.relationships:
return
# we must read file first to get hyperlinks, but we don't wont to parse whole file
if not self.filedata:
self.filedata = self.filehandle.read()
data = str(self.filedata) # python3: convert byte buffer to string
# find worksheet tag, we need namespaces from it
start = data.find("<worksheet")
if start < 0:
return
end = data.find(">", start)
worksheet = data[start: end + 1]
# find hyperlinks part
start = data.find("<hyperlinks>")
if start < 0:
# hyperlinks not found
return
end = data.find("</hyperlinks>")
data = data[start: end + 13]
# parse hyperlinks
doc = minidom.parseString(worksheet + data + "</worksheet>").firstChild
if doc.namespaceURI:
hiperlinkNodes = doc.getElementsByTagNameNS(doc.namespaceURI, "hyperlink")
else:
hiperlinkNodes = doc.getElementsByTagName("hyperlink")
for hlink in hiperlinkNodes:
attrs = hlink._attrs
ref = rId = None
for k in attrs.keys():
if k == "ref":
ref = str(attrs[k].value)
if k.endswith(":id"):
rId = str(attrs[k].value)
if not ref or not rId:
continue
rel = self.relationships.relationships.get(rId)
if not rel:
continue
target = rel.get('target')
for cell in self._range(ref):
self.hyperlinks[cell] = target
def to_csv(self, writer):
self.writer = writer
self.parser = xml.parsers.expat.ParserCreate()
self.parser.buffer_text = True
self.parser.CharacterDataHandler = self.handleCharData
self.parser.StartElementHandler = self.handleStartElement
self.parser.EndElementHandler = self.handleEndElement
if self.filedata:
self.parser.Parse(self.filedata)
else:
self.parser.ParseFile(self.filehandle)
def handleCharData(self, data):
if self.in_cell_value:
format_type = None
format_str = "general"
self.data += data
if self.colType == "s": # shared string
format_type = "string"
self.data = self.sharedStrings[int(data)]
elif self.colType == "b": # boolean
format_type = "boolean"
self.data = (int(data) == 1 and "TRUE") or (int(data) == 0 and "FALSE") or data
elif self.colType == "str" or self.colType == "inlineStr":
format_type = "string"
elif self.s_attr:
s = int(self.s_attr)
# get cell format
xfs_numfmt = None
if s < len(self.styles.cellXfs):
xfs_numfmt = self.styles.cellXfs[s]
if xfs_numfmt in self.styles.numFmts:
format_str = self.styles.numFmts[xfs_numfmt]
elif xfs_numfmt in STANDARD_FORMATS:
format_str = STANDARD_FORMATS[xfs_numfmt]
# get format type
if not format_str:
raise XlsxValueError("unknown format %s at %d" % (format_str, xfs_numfmt))
if format_str in FORMATS:
format_type = FORMATS[format_str]
elif re.match(r"^\d+(\.\d+)?$", self.data) and re.match(".*[hsmdyY]", format_str) and not re.match(
'.*\[.*[dmhys].*\]', format_str):
# it must be date format
if float(self.data) < 1:
format_type = "time"
else:
format_type = "date"
elif re.match(r"^-?\d+(.\d+)?$", self.data) or (
self.scifloat and re.match(r"^-?\d+(.\d+)?([eE]-?\d+)?$", self.data)):
format_type = "float"
if format_type == 'date' and self.dateformat == 'float':
format_type = "float"
elif self.colType == "n":
format_type = "float"
if format_type and not format_type in self.ignore_formats and self.data != "#N/A":
try:
if format_type == 'date': # date/time
if self.workbook.date1904:
date = datetime.datetime(1904, 1, 1) + datetime.timedelta(float(self.data))
else:
date = datetime.datetime(1899, 12, 30) + datetime.timedelta(float(self.data))
if self.dateformat:
# str(dateformat) - python2.5 bug, see: http://bugs.python.org/issue2782
self.data = date.strftime(str(self.dateformat))
else:
# ignore ";@", don't know what does it mean right now
# ignore "[$-409], [$-f409], [$-16001]" and similar format codes
dateformat = re.sub(r"\[\$\-[A-z0-9]*\]", "", format_str, 1) \
.replace(";@", "").replace("yyyy", "%Y").replace("yy", "%y") \
.replace("hh:mm", "%H:%M").replace("h", "%I").replace("%H%H", "%H") \
.replace("ss", "%S").replace("dddd", "d").replace("dd", "d").replace("d", "%d") \
.replace("am/pm", "%p").replace("mmmm", "%B").replace("mmm", "%b") \
.replace(":mm", ":%M").replace("m", "%m").replace("%m%m", "%m")
self.data = date.strftime(str(dateformat)).strip()
elif format_type == 'time': # time
t = int(round((float(self.data) % 1) * 24 * 60 * 60, 6)) # it should be in seconds
d = datetime.time(int((t // 3600) % 24), int((t // 60) % 60), int(t % 60))
self.data = d.strftime(self.timeformat)
elif format_type == 'float':
data = float(self.data)
if not self.floatformat and data.is_integer():
# repr(float(...)) - workaround to correctly round precision for floats
# repr gives same result on python 2 and 3, while str is different on python 2
self.data = "%i" % Decimal(repr(float(self.data)))
elif ('E' in self.data or 'e' in self.data):
self.data = str(self.floatformat or '%f') % data
# if cell is general, be aggressive about stripping any trailing 0s, decimal points, etc.
elif format_str == 'general':
self.data = ("%f" % data).rstrip('0').rstrip('.')
elif format_str[0:3] == '0.0':
if self.floatformat:
self.data = str(self.floatformat) % data
else:
L = len(format_str.split(".")[1])
if '%' in format_str:
L += 1
self.data = ("%." + str(L) + "f") % data
else:
# unsupported float formatting
self.data = ("%f" % data).rstrip('0').rstrip('.')
except (ValueError, OverflowError): # this catch must be removed, it's hiding potential problems
raise XlsxValueError("Error: potential invalid date format.")
def handleStartElement(self, name, attrs):
has_namespace = name.find(":") > 0
if self.in_row and (name == 'c' or (has_namespace and name.endswith(':c'))):
self.colType = attrs.get("t")
self.s_attr = attrs.get("s")
self.cellId = attrs.get("r")
if self.cellId:
self.colNum = self.cellId[:len(self.cellId) - len(self.rowNum)]
self.colIndex = 0
else:
self.colIndex += 1
self.data = ""
self.in_cell = True
elif self.in_cell and ((name == 'v' or name == 't') or (has_namespace and name.endswith(':v'))):
self.in_cell_value = True
elif self.in_sheet and (name == 'row' or (has_namespace and name.endswith(':row'))) and ('r' in attrs) and not (self.skip_hidden_rows and 'hidden' in attrs and attrs['hidden'] == '1'):
self.rowNum = attrs['r']
self.in_row = True
self.colIndex = 0
self.colNum = ""
self.columns = {}
self.spans = None
if 'spans' in attrs:
self.spans = [int(i) for i in attrs['spans'].split(" ")[-1].split(":")]
elif name == 'sheetData' or (has_namespace and name.endswith(':sheetData')):
self.in_sheet = True
elif name == 'dimension':
rng = attrs.get("ref").split(":")
if len(rng) > 1:
start = re.match(r"^([A-Z]+)(\d+)$", rng[0])
if (start):
end = re.match(r"^([A-Z]+)(\d+)$", rng[1])
startCol = start.group(1)
endCol = end.group(1)
self.columns_count = 0
for cell in self._range(startCol + "1:" + endCol + "1"):
self.columns_count += 1
def handleEndElement(self, name):
has_namespace = name.find(":") > 0
if self.in_cell and ((name == 'v' or name == 't') or (has_namespace and name.endswith(':v'))):
self.in_cell_value = False
elif self.in_cell and (name == 'c' or (has_namespace and name.endswith(':c'))):
t = 0
for i in self.colNum: t = t * 26 + ord(i) - 64
d = self.data
if self.hyperlinks:
hyperlink = self.hyperlinks.get(self.cellId)
if hyperlink:
d = "<a href='" + hyperlink + "'>" + d + "</a>"
if self.colNum + self.rowNum in self.mergeCells.keys():
if 'copyFrom' in self.mergeCells[self.colNum + self.rowNum].keys() and \
self.mergeCells[self.colNum + self.rowNum]['copyFrom'] == self.colNum + self.rowNum:
self.mergeCells[self.colNum + self.rowNum]['value'] = d
else:
d = self.mergeCells[self.mergeCells[self.colNum + self.rowNum]['copyFrom']]['value']
self.columns[t - 1 + self.colIndex] = d
self.in_cell = False
if self.in_row and (name == 'row' or (has_namespace and name.endswith(':row'))):
if len(self.columns.keys()) > 0:
if min(self.columns.keys()) < 0: # Weird
d = []
keys = self.columns.keys()
keys.sort()
for k in keys:
val = self.columns[k]
if not self.py3:
val = val.encode("utf-8")
d.append(val)
else:
d = [""] * (max(self.columns_count, max(self.columns.keys()) + 1))
for k in self.columns.keys():
val = self.columns[k]
if not self.py3:
val = val.encode("utf-8")
d[k] = val
if self.spans:
l = self.spans[1]
if len(d) < l:
d += (l - len(d)) * ['']
if self.columns_count < 0:
self.columns_count = len(d)
# write empty lines
if not self.skip_empty_lines:
for i in range(self.lastRowNum, int(self.rowNum) - 1):
self.writer.writerow([])
self.lastRowNum = int(self.rowNum)
# write line to csv
if not self.skip_empty_lines or d.count('') != len(d):
while len(d) < self.columns_count:
d.append("")
if self.skip_trailing_columns:
if self.max_columns < 0:
self.max_columns = len(d)
while len(d) > 0 and d[-1] == "":