Remove unused code

src/calibre/utils/pdftk.py

@@ -1,80 +0,0 @@
-#!/usr/bin/env python2
-# vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:ai
-from __future__ import with_statement
-
-__license__   = 'GPL v3'
-__copyright__ = '2009, Kovid Goyal <kovid@kovidgoyal.net>'
-__docformat__ = 'restructuredtext en'
-
-
-import sys, subprocess, os, errno
-from functools import partial
-from contextlib import nested
-
-from calibre.ptempfile import TemporaryFile
-from calibre.constants import iswindows
-
-PDFTK = 'pdftk'
-popen = subprocess.Popen
-#if isosx and hasattr(sys, 'frameworks_dir'):
-#    PDFTK = os.path.join(getattr(sys, 'frameworks_dir'), 'pdftk')
-if iswindows and hasattr(sys, 'frozen'):
-    PDFTK = os.path.join(os.path.dirname(sys.executable), 'pdftk.exe')
-    popen = partial(subprocess.Popen, creationflags=0x08) # CREATE_NO_WINDOW=0x08 so that no ugly console is popped up
-
-class PdftkError(Exception): pass
-
-def mi_to_info(mi):
-    ans = []
-    if mi.title:
-        ans.extend(('InfoKey: Title', 'InfoValue: '+mi.title))
-    if mi.authors:
-        from calibre.ebooks.metadata import authors_to_string
-        ans.extend(('InfoKey: Author', 'InfoValue: ' +
-            authors_to_string(mi.authors)))
-    return u'\n'.join(ans)
-
-def set_metadata(stream, mi):
-    raw = mi_to_info(mi)
-    if not raw: return
-    raw = raw.encode('utf-8')
-    with nested(TemporaryFile('.pdf'), TemporaryFile('.pdf'),
-            TemporaryFile('.info')) as (input, output, meta):
-        oi = getattr(stream, 'name', None)
-        if not oi or not os.access(oi, os.R_OK):
-            stream.seek(0)
-            with open(input, 'wb') as f: f.write(stream.read())
-        else:
-            input = oi
-        with open(meta, 'wb') as f: f.write(raw)
-        if os.path.exists(output):
-            os.remove(output)
-        cmd = (PDFTK, input, 'update_info', meta, 'output', output)
-        p = popen(cmd)
-
-        while True:
-            try:
-                p.wait()
-                break
-            except OSError as e:
-                if e.errno == errno.EINTR:
-                    continue
-                else:
-                    raise
-
-        if os.stat(output).st_size < 2048:
-            raise PdftkError('Output file too small')
-
-        with open(output, 'rb') as f: raw = f.read()
-        if raw:
-            stream.seek(0)
-            stream.truncate()
-            stream.write(raw)
-            stream.flush()
-
-if __name__ == '__main__':
-    args = sys.argv
-    from calibre.ebooks.metadata import MetaInformation
-    mi = MetaInformation(args[2], [args[3]])
-    x = open(args[1], 'r+b')
-    set_metadata(x, mi)