calibre/src/calibre/debug.py
Kovid Goyal 4d95f18455 IGN:...
2009-08-26 15:28:41 -06:00

207 lines
7.4 KiB
Python

#!/usr/bin/env python
__license__ = 'GPL v3'
__copyright__ = '2008, Kovid Goyal <kovid at kovidgoyal.net>'
'''
Embedded console for debugging.
'''
import sys, os, re
from calibre.utils.config import OptionParser
from calibre.constants import iswindows, isosx
from calibre.libunzip import update
def option_parser():
parser = OptionParser(usage='''\
%prog [options]
Run an embedded python interpreter.
''')
parser.add_option('-u', '--update-module', default=False,
action='store_true',
help='Update the specified module in the frozen library. '+
'Module specifications are of the form full.name.of.module path_to_module.py',
)
parser.add_option('-c', '--command', help='Run python code.', default=None)
parser.add_option('-e', '--exec-file', default=None, help='Run the python code in file.')
parser.add_option('-d', '--debug-device-driver', default=False, action='store_true',
help='Debug the specified device driver.')
parser.add_option('-g', '--gui', default=False, action='store_true',
help='Run the GUI',)
parser.add_option('--migrate', action='store_true', default=False,
help='Migrate old database. Needs two arguments. Path '
'to library1.db and path to new library folder.')
parser.add_option('--add-simple-plugin', default=None,
help='Add a simple plugin (i.e. a plugin that consists of only a '
'.py file), by specifying the path to the py file containing the '
'plugin code.')
return parser
def update_zipfile(zipfile, mod, path):
if 'win32' in sys.platform:
print 'WARNING: On Windows Vista using this option may cause windows to put library.zip into the Virtual Store (typically located in c:\Users\username\AppData\Local\VirtualStore). If it does this you must delete it from there after you\'re done debugging).'
pat = re.compile(mod.replace('.', '/')+r'\.py[co]*')
name = mod.replace('.', '/') + os.path.splitext(path)[-1]
update(zipfile, [pat], [path], [name])
def update_module(mod, path):
if not hasattr(sys, 'frozen'):
raise RuntimeError('Modules can only be updated in frozen installs.')
zp = None
if iswindows:
zp = os.path.join(os.path.dirname(sys.executable), 'library.zip')
elif isosx:
zp = os.path.join(os.path.dirname(getattr(sys, 'frameworks_dir')),
'Resources', 'lib',
'python'+'.'.join(map(str, sys.version_info[:2])),
'site-packages.zip')
else:
zp = os.path.join(getattr(sys, 'frozen_path'), 'loader.zip')
if zp is not None:
update_zipfile(zp, mod, path)
else:
raise ValueError('Updating modules is not supported on this platform.')
def migrate(old, new):
from calibre.utils.config import prefs
from calibre.library.database import LibraryDatabase
from calibre.library.database2 import LibraryDatabase2
from calibre.utils.terminfo import ProgressBar
from calibre import terminal_controller
class Dummy(ProgressBar):
def setLabelText(self, x): pass
def setAutoReset(self, y): pass
def reset(self): pass
def setRange(self, min, max):
self.min = min
self.max = max
def setValue(self, val):
self.update(float(val)/getattr(self, 'max', 1))
db = LibraryDatabase(old)
db2 = LibraryDatabase2(new)
db2.migrate_old(db, Dummy(terminal_controller, 'Migrating database...'))
prefs['library_path'] = os.path.abspath(new)
print 'Database migrated to', os.path.abspath(new)
def debug_device_driver():
from calibre.customize.ui import device_plugins
from calibre.devices.scanner import DeviceScanner
s = DeviceScanner()
s.scan()
print 'USB devices on system:', repr(s.devices)
if iswindows:
wmi = __import__('wmi', globals(), locals(), [], -1)
drives = []
print 'Drives detected:'
print '\t', '(ID, Partitions, Drive letter)'
for drive in wmi.WMI().Win32_DiskDrive():
if drive.Partitions == 0:
continue
try:
partition = drive.associators("Win32_DiskDriveToDiskPartition")[0]
logical_disk = partition.associators('Win32_LogicalDiskToPartition')[0]
prefix = logical_disk.DeviceID+os.sep
drives.append((str(drive.PNPDeviceID), drive.Index, prefix))
except IndexError:
drives.append((str(drive.PNPDeviceID), 'No mount points found'))
for drive in drives:
print '\t', drive
if isosx:
from calibre.devices.usbms.device import Device
raw = Device.run_ioreg()
open('/tmp/ioreg.txt', 'wb').write(raw)
print 'ioreg output saved to /tmp/ioreg.txt'
connected_devices = []
for dev in device_plugins():
print 'Looking for', dev.__class__.__name__
connected = s.is_device_connected(dev)
if connected:
connected_devices.append(dev)
errors = {}
success = False
for dev in connected_devices:
print 'Device possibly connected:', dev
print 'Trying to open device...',
try:
dev.open()
print 'OK'
except:
import traceback
errors[dev] = traceback.format_exc()
print 'failed'
continue
success = True
if hasattr(dev, '_main_prefix'):
print 'Main memory:', repr(dev._main_prefix)
print 'Total space:', dev.total_space()
break
if not success and errors:
print 'Opening of the following devices failed'
for dev,msg in errors.items():
print dev
print msg
print
if isosx and os.path.exists('/tmp/ioreg.txt'):
print
print
print "Don't forget to send the file /tmp/ioreg.txt as well"
def add_simple_plugin(path_to_plugin):
import tempfile, zipfile, shutil
tdir = tempfile.mkdtemp()
open(os.path.join(tdir, 'custom_plugin.py'),
'wb').write(open(path_to_plugin, 'rb').read())
odir = os.getcwd()
os.chdir(tdir)
zf = zipfile.ZipFile('plugin.zip', 'w')
zf.write('custom_plugin.py')
zf.close()
from calibre.customize.ui import main
main(['calibre-customize', '-a', 'plugin.zip'])
os.chdir(odir)
shutil.rmtree(tdir)
def main(args=sys.argv):
from calibre.constants import debug
debug()
opts, args = option_parser().parse_args(args)
if opts.gui:
from calibre.gui2.main import main
main(['calibre'])
elif opts.update_module:
mod, path = args[1:3]
update_module(mod, os.path.expanduser(path))
elif opts.command:
sys.argv = args[:1]
exec opts.command
elif opts.exec_file:
sys.argv = args[:1]
execfile(opts.exec_file)
elif opts.debug_device_driver:
debug_device_driver()
elif opts.migrate:
if len(args) < 3:
print 'You must specify the path to library1.db and the path to the new library folder'
return 1
migrate(args[1], args[2])
elif opts.add_simple_plugin is not None:
add_simple_plugin(opts.add_simple_plugin)
else:
from IPython.Shell import IPShellEmbed
ipshell = IPShellEmbed()
ipshell()
return 0
if __name__ == '__main__':
sys.exit(main())