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#!/usr/bin/python
# csv2ods.py
# Convert example csv file to ods
#
# Copyright (c) 2012 Tom Marble
# Copyright (c) 2012, 2013 Bradley M. Kuhn
#
# This program gives you software freedom; you can copy, modify, convey,
# and/or redistribute it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 3 of the
# License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program in a file called 'GPLv3'. If not, write to the:
# Free Software Foundation, Inc., 51 Franklin St, Fifth Floor
# Boston, MA 02110-1301, USA.
import sys, os, os.path, optparse
import csv
import ooolib2
import shutil
import string
from Crypto.Hash import SHA256
def err(msg):
print 'error: %s' % msg
sys.exit(1)
def ReadChecksums(inputFile):
checksums = {}
with open(inputFile, "r") as inputFH:
entries = inputFH.readlines()
for ee in entries:
fileName, checksum = ee.split(":")
fileName = fileName.replace(' ', "")
checksum = checksum.replace(' ', "")
checksum = checksum.replace("\n", "")
checksums[checksum] = fileName
return checksums
def ChecksumFile(filename):
sha256 = SHA256.new()
chunk_size = 8192
with open(filename, 'rb') as myFile:
while True:
chunk = myFile.read(chunk_size)
if len(chunk) == 0:
break
sha256.update(chunk)
return sha256.hexdigest()
def main():
program = os.path.basename(sys.argv[0])
print get_file_checksum(sys.argv[1])
def csv2ods(csvname, odsname, encoding='', singleFileDirectory=None, knownChecksums={}, verbose = False):
filesSavedinManifest = {}
if knownChecksums:
checksumCache = {}
if verbose:
print 'converting from %s to %s' % (csvname, odsname)
if singleFileDirectory:
if not os.path.isdir(os.path.join(os.getcwd(),singleFileDirectory)):
os.mkdir(singleFileDirectory)
doc = ooolib2.Calc()
# add a pagebreak style
style = 'pagebreak'
style_pagebreak = doc.styles.get_next_style('row')
style_data = tuple([style, ('style:row-height', doc.styles.property_row_height)])
doc.styles.style_config[style_data] = style_pagebreak
# add a currency style
style = 'currency'
style_currency = doc.styles.get_next_style('cell')
style_data = tuple([style])
doc.styles.style_config[style_data] = style_currency
row = 1
csvdir = os.path.dirname(csvname)
if len(csvdir) == 0:
csvdir = '.'
csvfile = open(csvname, 'rb')
reader = csv.reader(csvfile, delimiter=',', quotechar='"')
for fields in reader:
if len(fields) > 0:
for col in range(len(fields)):
val = fields[col]
if encoding != '' and val[0:5] != "link:": # Only utf8 encode if it's not a filename
val = unicode(val, 'utf8')
if len(val) > 0 and val[0] == '$':
doc.set_cell_value(col + 1, row, 'currency', val[1:])
else:
if (len(val) > 0 and val[0:5] == "link:"):
val = val[5:]
linkname = os.path.basename(val) # name is just the last component
newFile = None
if not singleFileDirectory:
newFile = val
if knownChecksums:
if not checksumCache.has_key(val):
checksum = ChecksumFile(val)
checksumCache[val] = checksum
else:
checksum = checksumCache[val]
if knownChecksums.has_key(checksum):
newFile = knownChecksums[checksum]
print "FOUND new file in known: " + newFile
if not newFile:
relativeFileWithPath = os.path.basename(val)
fileName, fileExtension = os.path.splitext(relativeFileWithPath)
newFile = fileName[:15] # 15 is an arbitrary choice.
newFile = newFile + fileExtension
# We'll now test to see if we made this file
# before, and if it matched the same file we
# now want. If it doesn't, try to make a
# short file name for it.
if filesSavedinManifest.has_key(newFile) and filesSavedinManifest[newFile] != val:
testFile = None
for cc in list(string.letters) + list(string.digits):
testFile = cc + newFile
if not filesSavedinManifest.has_key(testFile):
break
testFile = None
if not testFile:
raise Exception("too many similar file names for linkage; giving up")
else:
newFile = testFile
if not os.path.exists(csvdir + '/' + val):
raise Exception("File" + csvdir + '/' + val + " does not exist in single file directory mode; giving up")
src = os.path.join(csvdir, val)
dest = os.path.join(csvdir, singleFileDirectory, newFile)
shutil.copyfile(src, dest)
shutil.copystat(src, dest)
shutil.copymode(src, dest)
newFile = os.path.join(singleFileDirectory, newFile)
if knownChecksums:
checksumCache[checksum] = newFile
knownChecksums[checksum] = newFile
linkrel = '../' + newFile # ../ means remove the name of the *.ods
doc.set_cell_value(col + 1, row, 'link', (linkrel, linkname))
linkpath = csvdir + '/' + val
if not val in filesSavedinManifest:
filesSavedinManifest[newFile] = val
if not os.path.exists(linkpath):
print "WARNING: link %s DOES NOT EXIST at %s" % (val, linkpath)
if verbose:
if os.path.exists(linkpath):
print 'relative link %s EXISTS at %s' % (val, linkpath)
else:
if val == "pagebreak":
doc.sheets[doc.sheet_index].set_sheet_config(('row', row), style_pagebreak)
else:
if val[0:6] == "title:":
doc.sheets[doc.sheet_index].set_name(val[6:])
else:
doc.set_cell_value(col + 1, row, 'string', val)
else:
# enter an empty string for blank lines
doc.set_cell_value(1, row, 'string', '')
row += 1
# save manifest file
if filesSavedinManifest.keys() != []:
manifestFH = open("MANIFEST", "a")
manifestFH.write("# Files from %s\n" % odsname)
for file in filesSavedinManifest.keys():
manifestFH.write("%s\n" % file)
manifestFH.close()
# Save spreadsheet file.
doc.save(odsname)
def main():
program = os.path.basename(sys.argv[0])
version = '0.1'
parser = optparse.OptionParser(usage='%prog [--help] [--verbose]',
version='%prog ' + version)
parser.add_option('-v', '--verbose', action='store_true',
dest='verbose',
help='provide extra information while processing')
parser.add_option('-c', '--csv', action='store',
help='csv file to process')
parser.add_option('-o', '--ods', action='store',
help='ods output filename')
parser.add_option('-e', '--encoding', action='store',
help='unicode character encoding type')
parser.add_option('-d', '--single-file-directory', action='store',
help='directory name to move all files into')
parser.add_option('-s', '--known-checksum-list', action='store',
help='directory name to move all files into')
(options, args) = parser.parse_args()
if len(args) != 0:
parser.error("not expecting extra args")
if not os.path.exists(options.csv):
err('csv does not exist: %s' % options.csv)
if not options.ods:
(root, ext) = os.path.splitext(options.csv)
options.ods = root + '.ods'
if options.verbose:
print '%s: verbose mode on' % program
print 'csv:', options.csv
print 'ods:', options.ods
print 'ods:', options.encoding
if options.known_checksum_list and not options.single_file_directory:
err(program + ": --known-checksum-list option is completely useless without --single-file-directory")
knownChecksums = {}
if options.known_checksum_list:
if not os.access(options.known_checksum_list, os.R_OK):
err(program + ": unable to read file: " + options.known_checksum_list)
knownChecksums = ReadChecksums(options.known_checksum_list)
csv2ods(options.csv, options.ods, options.encoding, options.single_file_directory, knownChecksums, options.verbose)
if __name__ == '__main__':
main()
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