py3: More unicode_literals and str() porting

src/calibre/devices/android/__init__.py

@@ -1,10 +1,7 @@
 #!/usr/bin/env python2
 # vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:ai
-from __future__ import with_statement
+from __future__ import absolute_import, division, print_function, unicode_literals
 
 __license__   = 'GPL v3'
 __copyright__ = '2009, Kovid Goyal <kovid@kovidgoyal.net>'
 __docformat__ = 'restructuredtext en'
-
-
-

src/calibre/devices/android/driver.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+from __future__ import absolute_import, division, print_function, unicode_literals
 
 __license__   = 'GPL v3'
 __copyright__ = '2009, Kovid Goyal <kovid@kovidgoyal.net>'

src/calibre/devices/binatone/driver.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+from __future__ import absolute_import, division, print_function, unicode_literals
 
 __license__   = 'GPL v3'
 __copyright__ = '2009, John Schember <john at nachtimwald.com>'

src/calibre/devices/blackberry/__init__.py

@@ -1,6 +1,5 @@
-from __future__ import with_statement
+from __future__ import absolute_import, division, print_function, unicode_literals
+
 __license__ = 'GPL 3'
 __copyright__ = '2009, Kovid Goyal <kovid@kovidgoyal.net>'
 __docformat__ = 'restructuredtext en'
-
-

src/calibre/devices/blackberry/driver.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+from __future__ import absolute_import, division, print_function, unicode_literals
 
 __license__ = 'GPL 3'
 __copyright__ = '2009, Kovid Goyal <kovid@kovidgoyal.net>'

src/calibre/devices/boeye/driver.py

@@ -1,3 +1,5 @@
+from __future__ import absolute_import, division, print_function, unicode_literals
+
 __license__   = 'GPL v3'
 __copyright__ = '2011,  Ken <ken at szboeye.com>'
 __docformat__ = 'restructuredtext en'

src/calibre/devices/cybook/driver.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+from __future__ import absolute_import, division, print_function, unicode_literals
 
 __license__   = 'GPL v3'
 __copyright__ = '2009, John Schember <john at nachtimwald.com>'

src/calibre/devices/edge/driver.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+from __future__ import absolute_import, division, print_function, unicode_literals
 
 __license__   = 'GPL v3'
 __copyright__ = '2009, Kovid Goyal'
@@ -36,5 +37,3 @@ class EDGE(USBMS):
 
     EBOOK_DIR_MAIN = 'download'
     SUPPORTS_SUB_DIRS = True
-
-

src/calibre/devices/folder_device/__init__.py

@@ -1,10 +1,7 @@
 #!/usr/bin/env python2
 # vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:ai
-from __future__ import with_statement
+from __future__ import absolute_import, division, print_function, unicode_literals
 
 __license__   = 'GPL v3'
 __copyright__ = '2009, Kovid Goyal <kovid@kovidgoyal.net>'
 __docformat__ = 'restructuredtext en'
-
-
-

src/calibre/devices/folder_device/driver.py

@@ -1,3 +1,5 @@
+from __future__ import absolute_import, division, print_function, unicode_literals
+
 '''
 Created on 15 May 2010
 

src/calibre/devices/hanlin/__init__.py

@@ -1,2 +1,4 @@
+from __future__ import absolute_import, division, print_function, unicode_literals
+
 __license__   = 'GPL v3'
 __copyright__ = '2009, Tijmen Ruizendaal <tijmen at mybebook.com>'

src/calibre/devices/hanlin/driver.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+from __future__ import absolute_import, division, print_function, unicode_literals
 
 __license__   = 'GPL v3'
 __copyright__ = '2009, Tijmen Ruizendaal <tijmen at mybebook.com>'

src/calibre/devices/iliad/driver.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+from __future__ import absolute_import, division, print_function, unicode_literals
 
 __license__ = 'GPL 3'
 __copyright__ = '2009, John Schember <john@nachtimwald.com>'

src/calibre/devices/irexdr/driver.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+from __future__ import absolute_import, division, print_function, unicode_literals
 
 __license__ = 'GPL 3'
 __copyright__ = '2009, John Schember <john@nachtimwald.com>'

src/calibre/devices/iriver/__init__.py

@@ -1,10 +1,7 @@
 #!/usr/bin/env python2
 # vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:ai
-from __future__ import with_statement
+from __future__ import absolute_import, division, print_function, unicode_literals
 
 __license__   = 'GPL v3'
 __copyright__ = '2009, Kovid Goyal <kovid@kovidgoyal.net>'
 __docformat__ = 'restructuredtext en'
-
-
-

src/calibre/devices/iriver/driver.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python2
 # vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:ai
-from __future__ import with_statement
+from __future__ import absolute_import, division, print_function, unicode_literals
 
 __license__   = 'GPL v3'
 __copyright__ = '2009, Kovid Goyal <kovid@kovidgoyal.net>'
@@ -41,5 +41,3 @@ class IRIVER_STORY(USBMS):
     EBOOK_DIR_MAIN = 'Book'
 
     SUPPORTS_SUB_DIRS = True
-
-

src/calibre/devices/jetbook/driver.py

@@ -1,5 +1,7 @@
 # -*- coding: utf-8 -*-
 
+from __future__ import absolute_import, division, print_function, unicode_literals
+
 __license__   = 'GPL v3'
 __copyright__ = '2009, James Ralston <jralston at mindspring.com>'
 __docformat__ = 'restructuredtext en'
@@ -10,8 +12,8 @@ Device driver for Ectaco Jetbook firmware >= JL04_v030e
 
 import os
 import re
-import sys
 
+from calibre.constants import filesystem_encoding
 from calibre.devices.usbms.driver import USBMS
 from calibre.ebooks.metadata import string_to_authors
 from polyglot.builtins import unicode_type, map
@@ -64,10 +66,9 @@ class JETBOOK(USBMS):
     def metadata_from_path(cls, path):
 
         def check_unicode(txt):
-            txt = txt.replace('_', ' ')
             if not isinstance(txt, unicode_type):
-                return txt.decode(sys.getfilesystemencoding(), 'replace')
-
+                txt = txt.decode(filesystem_encoding, 'replace')
+            txt = txt.replace('_', ' ')
             return txt
 
         mi = cls.metadata_from_formats([path])

src/calibre/devices/mtp/unix/driver.py

@@ -227,7 +227,7 @@ class MTP_DEVICE(MTPDeviceBase):
         try:
             storage = sorted(self.dev.storage_info, key=operator.itemgetter('id'))
         except self.libmtp.MTPError as e:
-            if "The device has no storage information." in str(e):
+            if "The device has no storage information." in unicode_type(e):
                 # This happens on newer Android devices while waiting for
                 # the user to allow access. Apparently what happens is
                 # that when the user clicks allow, the device disconnects

src/calibre/devices/nokia/driver.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+from __future__ import absolute_import, division, print_function, unicode_literals
 
 __license__   = 'GPL v3'
 __copyright__ = '2009-2014, John Schember <john at nachtimwald.com> and Andres Gomez <agomez at igalia.com>'

src/calibre/devices/paladin/__init__.py

@@ -1,7 +1,7 @@
 #!/usr/bin/env python
 # vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:ai
+from __future__ import absolute_import, division, print_function, unicode_literals
 
 __license__   = 'GPL v3'
 __copyright__ = '2011, Kovid Goyal <kovid@kovidgoyal.net>'
 __docformat__ = 'restructuredtext en'
-

src/calibre/devices/sne/driver.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+from __future__ import absolute_import, division, print_function, unicode_literals
 
 __license__   = 'GPL v3'
 __copyright__ = '2009, John Schember <john at nachtimwald.com>'

src/calibre/devices/teclast/__init__.py

@@ -1,10 +1,7 @@
 #!/usr/bin/env python2
 # vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:ai
-from __future__ import with_statement
+from __future__ import absolute_import, division, print_function, unicode_literals
 
 __license__   = 'GPL v3'
 __copyright__ = '2010, Kovid Goyal <kovid@kovidgoyal.net>'
 __docformat__ = 'restructuredtext en'
-
-
-

src/calibre/devices/teclast/driver.py

@@ -1,3 +1,5 @@
+from __future__ import absolute_import, division, print_function, unicode_literals
+
 __license__   = 'GPL v3'
 __copyright__ = '2009, Kovid Goyal <kovid@kovidgoyal.net>'
 __docformat__ = 'restructuredtext en'

src/calibre/devices/usbms/books.py

@@ -1,5 +1,7 @@
 # -*- coding: utf-8 -*-
 
+from __future__ import absolute_import, division, print_function, unicode_literals
+
 __license__ = 'GPL 3'
 __copyright__ = '2009, John Schember <john@nachtimwald.com>'
 __docformat__ = 'restructuredtext en'

src/calibre/devices/usbms/cli.py

@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
+from __future__ import absolute_import, division, print_function, unicode_literals
 
-from __future__ import print_function
 __license__   = 'GPL v3'
 __copyright__ = '2009, John Schember <john@nachtimwald.com>'
 __docformat__ = 'restructuredtext en'
@@ -102,6 +102,6 @@ class CLI(object):
     def touch(self, path, end_session=True):
         path = self.munge_path(path)
         if not os.path.exists(path):
-            lopen(path, 'w').close()
+            lopen(path, 'wb').close()
         if not os.path.isdir(path):
             os.utime(path, None)

src/calibre/devices/usbms/device.py

@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
+from __future__ import absolute_import, division, print_function, unicode_literals
 
-from __future__ import print_function
 __license__   = 'GPL v3'
 __copyright__ = '2009, John Schember <john at nachtimwald.com> ' \
                 '2009, Kovid Goyal <kovid@kovidgoyal.net>'
@@ -243,9 +243,9 @@ class Device(DeviceConfig, DevicePlugin):
         try:
             dlmap = get_drive_letters_for_device(usbdev, debug=debug)
         except Exception:
-            dlmap = []
+            dlmap = {}
 
-        if not dlmap['drive_letters']:
+        if not dlmap.get('drive_letters'):
             time.sleep(7)
             dlmap = get_drive_letters_for_device(usbdev, debug=debug)
 
@@ -467,7 +467,7 @@ class Device(DeviceConfig, DevicePlugin):
                     if not os.access(j(usb_dir, y), os.R_OK):
                         usb_dir = None
                         continue
-                e = lambda q : raw2num(open(j(usb_dir, q)).read())
+                e = lambda q : raw2num(open(j(usb_dir, q), 'rb').read().decode('utf-8'))
                 ven, prod, bcd = map(e, ('idVendor', 'idProduct', 'bcdDevice'))
                 if not (test(ven, 'idVendor') and test(prod, 'idProduct') and
                         test(bcd, 'bcdDevice')):
@@ -489,7 +489,7 @@ class Device(DeviceConfig, DevicePlugin):
                     sz = j(x, 'size')
                     node = parts[idx+1]
                     try:
-                        exists = int(open(sz).read()) > 0
+                        exists = int(open(sz, 'rb').read().decode('utf-8')) > 0
                         if exists:
                             node = self.find_largest_partition(x)
                             ok[node] = True
@@ -523,7 +523,7 @@ class Device(DeviceConfig, DevicePlugin):
             if not os.access(sz, os.R_OK):
                 continue
             try:
-                sz = int(open(sz).read())
+                sz = int(open(sz, 'rb').read().decode('utf-8'))
             except:
                 continue
             if sz > 0:

src/calibre/devices/usbms/deviceconfig.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+from __future__ import absolute_import, division, print_function, unicode_literals
 
 __license__ = 'GPL 3'
 __copyright__ = '2009, John Schember <john@nachtimwald.com>'

src/calibre/devices/usbms/driver.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+from __future__ import absolute_import, division, print_function, unicode_literals
 
 __license__   = 'GPL v3'
 __copyright__ = '2009, John Schember <john at nachtimwald.com>'