[BangPypers] xlrd

[Jayanth Koushik]

Sorry, I don't use excel.

Jayanth


On Sun, Aug 24, 2014 at 4:51 PM, sayantan bhattacharya <skb655952 at gmail.com>
wrote:

> Hi Jayanth,
>
> Can you provide me the excel file or a similar file with corresponding
> arbit data? I have worked with xlrd and xlwt before and have not faced any
> issue like this - though the files I have been using are not password
> protected.
>
> --
> Sayantan
> On Aug 21, 2014 8:32 PM, "Jayanth Koushik" <jnkoushik at gmail.com> wrote:
>
> > If the encryption does not matter, then the easier way might be to remove
> > the encryption and proceed normally using xlrd. But I'm not sure how to
> do
> > that (don't use excel). Can anyone else in the group help with this?
> >
> > Jayanth
> >
> >
> > On Thu, Aug 21, 2014 at 7:19 PM, Shashidhar Paragonda <
> > shashidhar85 at gmail.com> wrote:
> >
> > > Hi Jayanth,
> > > >>> sorry the files were encrypted, with option available in MS-excel
> > s/w.
> > > They are in read-only mode.
> > > >>> I saw the book.py program of xlrd lib, I dint understood about
> > > verbosity level and all.
> > > >>> is there any changes to be made to book.py ?
> > > >>> thanks in advance.
> > >
> > >
> > >
> > > -----------------------------------
> > > Regards,
> > >
> > > Shashidhar N.Paragonda
> > > shashidhar85 at gmail.com
> > > +919900093835
> > >
> > >
> > > On Thu, Aug 21, 2014 at 5:03 PM, Jayanth Koushik <jnkoushik at gmail.com>
> > > wrote:
> > >
> > > > Actually, that might be outdated. I grepped the xlrd source for this
> > > > particular exception. It's raised only from once place:
> > xlrd/book.py:896
> > > > (assuming you're using the latest version: 0.9.3). The particular
> > > function
> > > > 'handle_filepass' is weird...:
> > > >
> > > >     def handle_filepass(self, data):
> > > >         if self.verbosity >= 2:
> > > >             logf = self.logfile
> > > >             fprintf(logf, "FILEPASS:\n")
> > > >             hex_char_dump(data, 0, len(data), base=0, fout=logf)
> > > >             if self.biff_version >= 80:
> > > >                 kind1, = unpack('<H', data[:2])
> > > >                 if kind1 == 0: # weak XOR encryption
> > > >                     key, hash_value = unpack('<HH', data[2:])
> > > >                     fprintf(logf,
> > > >                         'weak XOR: key=0x%04x hash=0x%04x\n',
> > > >                         key, hash_value)
> > > >                 elif kind1 == 1:
> > > >                     kind2, = unpack('<H', data[4:6])
> > > >                     if kind2 == 1: # BIFF8 standard encryption
> > > >                         caption = "BIFF8 std"
> > > >                     elif kind2 == 2:
> > > >                         caption = "BIFF8 strong"
> > > >                     else:
> > > >                         caption = "** UNKNOWN ENCRYPTION METHOD **"
> > > >                     fprintf(logf, "%s\n", caption)
> > > >         raise XLRDError("Workbook is encrypted")
> > > >
> > > > Is that function only handling encryption if verbosity is greater
> than
> > 2?
> > > >
> > > > Jayanth
> > > >
> > > >
> > > >
> > > > On Thu, Aug 21, 2014 at 4:50 PM, Jayanth Koushik <
> jnkoushik at gmail.com>
> > > > wrote:
> > > >
> > > > > Are you sure the files aren't encrypted? If they are, then xlrd
> can't
> > > > > handle them.
> > > > >
> > > > > http://www.lexicon.net/sjmachin/README.html (Look at 'Unlikely to
> be
> > > > > done')
> > > > >
> > > > > Jayanth
> > > > >
> > > > >
> > > > >
> > > > > On Thu, Aug 21, 2014 at 3:26 PM, Shashidhar Paragonda <
> > > > > shashidhar85 at gmail.com> wrote:
> > > > >
> > > > >> Hello all,
> > > > >> >>> I am using xlrd library to read .xls files,
> > > > >> >>> wb = xlrd.open_workbook("workbook_name.xls")
> > > > >> >>> when I execute I get error :
> > > > >>
> > > > >> Traceback (most recent call last):
> > > > >>   File "rater_document_parser.py", line 72, in <module>
> > > > >>     wb = xlrd.open_workbook(row.SERVER_MOUNT_PATH)
> > > > >>   File "/usr/lib/python2.6/site-packages/xlrd/__init__.py", line
> > 435,
> > > in
> > > > >> open_workbook
> > > > >>     ragged_rows=ragged_rows,
> > > > >>   File "/usr/lib/python2.6/site-packages/xlrd/book.py", line 116,
> in
> > > > >> open_workbook_xls
> > > > >>     bk.parse_globals()
> > > > >>   File "/usr/lib/python2.6/site-packages/xlrd/book.py", line 1178,
> > in
> > > > >> parse_globals
> > > > >>     self.handle_filepass(data)
> > > > >>   File "/usr/lib/python2.6/site-packages/xlrd/book.py", line 896,
> in
> > > > >> handle_filepass
> > > > >>     raise XLRDError("Workbook is encrypted")
> > > > >> xlrd.biffh.XLRDError: Workbook is encrypted
> > > > >>
> > > > >> >>> when I manually open, it open
> > > > >> >>> any suggession on resolving this error.
> > > > >> >>>Thank you.
> > > > >>
> > > > >>
> > > > >>
> > > > >> -----------------------------------
> > > > >> Regards,
> > > > >>
> > > > >> Shashidhar N.Paragonda
> > > > >> shashidhar85 at gmail.com
> > > > >> +919900093835
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