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Apple driver: Delay load appscript and pythoncom

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This commit is contained in:
Kovid Goyal 2012-02-22 12:45:26 +05:30
parent 959afbd350
commit eb98a1e66b
1 changed files with 35 additions and 11 deletions
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46
src/calibre/devices/apple/driver.py
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@ -103,17 +103,6 @@ class AppleOpenFeedback(OpenFeedback):
if isosx:
try:
import appscript
appscript
except:
# appscript fails to load on 10.4
appscript = None
if iswindows:
import pythoncom, win32com.client
class DriverBase(DeviceConfig, DevicePlugin):
# Needed for config_widget to work
FORMATS = ['epub', 'pdf']
@ -467,6 +456,7 @@ class ITUNES(DriverBase):
self._purge_orphans(library_books, cached_books)
elif iswindows:
import pythoncom, win32com.client
try:
pythoncom.CoInitialize()
self.iTunes = win32com.client.Dispatch("iTunes.Application")
@ -533,6 +523,11 @@ class ITUNES(DriverBase):
instantiate iTunes if necessary
This gets called ~1x/second while device fingerprint is sensed
'''
try:
import appscript
appscript
except:
appscript = None
if appscript is None:
return False
@ -600,6 +595,7 @@ class ITUNES(DriverBase):
'''
if self.iTunes:
import pythoncom
# We've previously run, so the user probably ejected the device
try:
pythoncom.CoInitialize()
@ -709,6 +705,7 @@ class ITUNES(DriverBase):
if self.manual_sync_mode:
self._remove_from_device(self.cached_books[path])
elif iswindows:
import pythoncom, win32com.client
try:
pythoncom.CoInitialize()
self.iTunes = win32com.client.Dispatch("iTunes.Application")
@ -754,6 +751,8 @@ class ITUNES(DriverBase):
self.iTunes.eject(self.sources['iPod'])
elif iswindows:
if 'iPod' in self.sources:
import pythoncom, win32com.client
try:
pythoncom.CoInitialize()
self.iTunes = win32com.client.Dispatch("iTunes.Application")
@ -788,6 +787,7 @@ class ITUNES(DriverBase):
elif iswindows:
if 'iPod' in self.sources:
import pythoncom, win32com.client
while True:
try:
@ -1098,6 +1098,8 @@ class ITUNES(DriverBase):
_('%(num)d of %(tot)d') % dict(num=i+1, tot=file_count))
elif iswindows:
import pythoncom, win32com.client
try:
pythoncom.CoInitialize()
self.iTunes = win32com.client.Dispatch("iTunes.Application")
@ -1163,6 +1165,7 @@ class ITUNES(DriverBase):
'''
logger().info(" ITUNES._add_device_book()")
if isosx:
import appscript
if 'iPod' in self.sources:
connected_device = self.sources['iPod']
device = self.iTunes.sources[connected_device]
@ -1257,6 +1260,7 @@ class ITUNES(DriverBase):
if DEBUG:
logger().info(" ITUNES._add_library_book()")
if isosx:
import appscript
added = self.iTunes.add(appscript.mactypes.File(file))
elif iswindows:
@ -1541,6 +1545,7 @@ class ITUNES(DriverBase):
if wait:
time.sleep(wait)
if isosx:
import appscript
connected_device = self.sources['iPod']
dev_books = None
device = self.iTunes.sources[connected_device]
@ -2077,6 +2082,7 @@ class ITUNES(DriverBase):
device_books = []
if isosx:
import appscript
if 'iPod' in self.sources:
connected_device = self.sources['iPod']
device = self.iTunes.sources[connected_device]
@ -2104,6 +2110,8 @@ class ITUNES(DriverBase):
logger().info()
elif iswindows:
import pythoncom
if 'iPod' in self.sources:
try:
pythoncom.CoInitialize()
@ -2171,6 +2179,7 @@ class ITUNES(DriverBase):
lib = None
if isosx:
import appscript
for source in self.iTunes.sources():
if source.kind() == appscript.k.library:
lib = source
@ -2341,6 +2350,7 @@ class ITUNES(DriverBase):
logger().info(" ITUNES:_launch_iTunes():\n Instantiating iTunes")
if isosx:
import appscript
'''
Launch iTunes if not already running
'''
@ -2382,6 +2392,8 @@ class ITUNES(DriverBase):
logger().info(" calibre_library_path: %s" % self.calibre_library_path)
if iswindows:
import win32com.client
'''
Launch iTunes if not already running
Assumes pythoncom wrapper
@ -2752,6 +2764,8 @@ class ITUNES(DriverBase):
time.sleep(2)
print
elif iswindows:
import pythoncom, win32com.client
try:
pythoncom.CoInitialize()
self.iTunes = win32com.client.Dispatch("iTunes.Application")
@ -3088,6 +3102,12 @@ class ITUNES_ASYNC(ITUNES):
if DEBUG:
logger().info("ITUNES_ASYNC:__init__()")
try:
import appscript
appscript
except:
appscript = None
if isosx and appscript is None:
self.connected = False
raise UserFeedback('OSX 10.5 or later required', details=None, level=UserFeedback.WARN)
@ -3099,6 +3119,8 @@ class ITUNES_ASYNC(ITUNES):
self._launch_iTunes()
if iswindows:
import pythoncom
try:
pythoncom.CoInitialize()
self._launch_iTunes()
@ -3180,6 +3202,8 @@ class ITUNES_ASYNC(ITUNES):
_('%(num)d of %(tot)d') % dict(num=i+1, tot=book_count))
elif iswindows:
import pythoncom, win32com.client
try:
pythoncom.CoInitialize()
self.iTunes = win32com.client.Dispatch("iTunes.Application")