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Convert wmf images from RTF files using imagemagick

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Kovid Goyal 2007-10-06 19:29:07 +00:00
parent 8414c4e295
commit a72cc18eba
1 changed files with 19 additions and 4 deletions
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23
src/libprs500/ebooks/lrf/rtf/convert_from.py
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@ -12,7 +12,7 @@
## You should have received a copy of the GNU General Public License along ## You should have received a copy of the GNU General Public License along
## with this program; if not, write to the Free Software Foundation, Inc., ## with this program; if not, write to the Free Software Foundation, Inc.,
## 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. ## 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
import os, sys, tempfile, subprocess, shutil, logging import os, sys, tempfile, subprocess, shutil, logging, glob
from libprs500.ebooks.lrf import option_parser as lrf_option_parser from libprs500.ebooks.lrf import option_parser as lrf_option_parser
from libprs500.ebooks.metadata.meta import get_metadata from libprs500.ebooks.metadata.meta import get_metadata
@ -20,9 +20,12 @@ from libprs500.ebooks.lrf.html.convert_from import process_file as html_process_
from libprs500.ebooks import ConversionError from libprs500.ebooks import ConversionError
from libprs500 import isosx, setup_cli_handlers, __appname__ from libprs500 import isosx, setup_cli_handlers, __appname__
UNRTF = 'unrtf' UNRTF = 'unrtf'
CONVERT = 'convert'
if isosx and hasattr(sys, 'frameworks_dir'): if isosx and hasattr(sys, 'frameworks_dir'):
UNRTF = os.path.join(sys.frameworks_dir, UNRTF) UNRTF = os.path.join(sys.frameworks_dir, UNRTF)
CONVERT = os.path.join(sys.frameworks_dir, CONVERT)
def option_parser(): def option_parser():
return lrf_option_parser( return lrf_option_parser(
@ -30,6 +33,18 @@ def option_parser():
'''%prog converts mybook.rtf to mybook.lrf''' '''%prog converts mybook.rtf to mybook.lrf'''
) )
def convert_images(html, logger):
wmfs = glob.glob('*.wmf') + glob.glob('*.WMF')
for wmf in wmfs:
target = os.path.join(os.path.dirname(wmf), os.path.splitext(os.path.basename(wmf))[0]+'.jpg')
try:
subprocess.check_call(CONVERT + ' ' + wmf + ' ' + target, shell=True)
html = html.replace(os.path.basename(wmf), os.path.basename(target))
except Exception, err:
logger.warning(u'Unable to convert image %s with error: %s'%(wmf, unicode(err)))
continue
return html
def generate_html(rtfpath, logger): def generate_html(rtfpath, logger):
tdir = tempfile.mkdtemp(prefix=__appname__+'_') tdir = tempfile.mkdtemp(prefix=__appname__+'_')
cwd = os.path.abspath(os.getcwd()) cwd = os.path.abspath(os.getcwd())
@ -42,7 +57,7 @@ def generate_html(rtfpath, logger):
cmd = ' '.join([UNRTF, '"'+rtfpath+'"']) cmd = ' '.join([UNRTF, '"'+rtfpath+'"'])
p = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE, p = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE,
stderr=subprocess.PIPE) stderr=subprocess.PIPE)
file.write(p.stdout.read()) file.write(convert_images(p.stdout.read(), logger))
ret = p.wait() ret = p.wait()
if ret != 0: if ret != 0:
if isosx and ret == -11: #unrtf segfaults on OSX but seems to convert most of the file. if isosx and ret == -11: #unrtf segfaults on OSX but seems to convert most of the file.