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https://github.com/kovidgoyal/calibre.git
synced 2025-07-07 10:14:46 -04:00
Added parse_xml.py to code tree, changed libiMobileDevice to use it instead of plistlib.
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GRiker
parent
5cfc3bddfe
commit
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@ -9,7 +9,7 @@ __copyright__ = '2013, Gregory Riker'
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http://www.libimobiledevice.org/docs/html/globals.html
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'''
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import binascii, os, plistlib, sys, time
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import binascii, os, sys, time
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from collections import OrderedDict
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from ctypes import *
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@ -18,6 +18,9 @@ from datetime import datetime
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from calibre.constants import DEBUG, islinux, isosx, iswindows
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from calibre.devices.usbms.driver import debug_print
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from calibre_plugins.marvin.parse_xml import XmlPropertyListParser
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#from calibre.devices.idevice.parse_xml import XmlPropertyListParser
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class libiMobileDeviceException(Exception):
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def __init__(self, value):
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self.value = value
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@ -999,7 +1002,7 @@ class libiMobileDevice():
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xml = POINTER(c_void_p)()
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xml_len = c_long(0)
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self.lib.plist_to_xml(c_void_p.from_buffer(plist), byref(xml), byref(xml_len))
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result = plistlib.readPlistFromString(string_at(xml, xml_len.value))
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result = XmlPropertyListParser().parse(string_at(xml, xml_len.value))
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self.lib.plist_free(plist)
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# To determine success, we need to inspect the returned plist
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@ -1158,7 +1161,7 @@ class libiMobileDevice():
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xml = POINTER(c_void_p)()
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xml_len = c_long(0)
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self.lib.plist_to_xml(c_void_p.from_buffer(apps), byref(xml), byref(xml_len))
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app_list = plistlib.readPlistFromString(string_at(xml, xml_len.value))
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app_list = XmlPropertyListParser().parse(string_at(xml, xml_len.value))
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installed_apps = {}
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for app in app_list:
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if not applist:
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290
src/calibre/devices/idevice/parse_xml.py
Executable file
290
src/calibre/devices/idevice/parse_xml.py
Executable file
@ -0,0 +1,290 @@
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#!/usr/bin/env python
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"""
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https://github.com/ishikawa/python-plist-parser/blob/master/plist_parser.py
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A `Property Lists`_ is a data representation used in Apple's Mac OS X as
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a convenient way to store standard object types, such as string, number,
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boolean, and container object.
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This file contains a class ``XmlPropertyListParser`` for parse
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a property list file and get back a python native data structure.
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:copyright: 2008 by Takanori Ishikawa <takanori.ishikawa@gmail.com>
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:license: MIT (See LICENSE file for more details)
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.. _Property Lists: http://developer.apple.com/documentation/Cocoa/Conceptual/PropertyLists/
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"""
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class PropertyListParseError(Exception):
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"""Raised when parsing a property list is failed."""
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pass
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class XmlPropertyListParser(object):
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"""
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The ``XmlPropertyListParser`` class provides methods that
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convert `Property Lists`_ objects from xml format.
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Property list objects include ``string``, ``unicode``,
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``list``, ``dict``, ``datetime``, and ``int`` or ``float``.
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:copyright: 2008 by Takanori Ishikawa <takanori.ishikawa@gmail.com>
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:license: MIT License
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.. _Property List: http://developer.apple.com/documentation/Cocoa/Conceptual/PropertyLists/
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"""
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def _assert(self, test, message):
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if not test:
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raise PropertyListParseError(message)
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# ------------------------------------------------
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# SAX2: ContentHandler
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# ------------------------------------------------
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def setDocumentLocator(self, locator):
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pass
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def startPrefixMapping(self, prefix, uri):
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pass
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def endPrefixMapping(self, prefix):
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pass
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def startElementNS(self, name, qname, attrs):
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pass
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def endElementNS(self, name, qname):
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pass
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def ignorableWhitespace(self, whitespace):
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pass
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def processingInstruction(self, target, data):
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pass
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def skippedEntity(self, name):
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pass
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def startDocument(self):
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self.__stack = []
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self.__plist = self.__key = self.__characters = None
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# For reducing runtime type checking,
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# the parser caches top level object type.
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self.__in_dict = False
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def endDocument(self):
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self._assert(self.__plist is not None, "A top level element must be <plist>.")
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self._assert(
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len(self.__stack) is 0,
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"multiple objects at top level.")
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def startElement(self, name, attributes):
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if name in XmlPropertyListParser.START_CALLBACKS:
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XmlPropertyListParser.START_CALLBACKS[name](self, name, attributes)
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if name in XmlPropertyListParser.PARSE_CALLBACKS:
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self.__characters = []
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def endElement(self, name):
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if name in XmlPropertyListParser.END_CALLBACKS:
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XmlPropertyListParser.END_CALLBACKS[name](self, name)
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if name in XmlPropertyListParser.PARSE_CALLBACKS:
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# Creates character string from buffered characters.
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content = ''.join(self.__characters)
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# For compatibility with ``xml.etree`` and ``plistlib``,
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# convert text string to ascii, if possible
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try:
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content = content.encode('ascii')
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except (UnicodeError, AttributeError):
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pass
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XmlPropertyListParser.PARSE_CALLBACKS[name](self, name, content)
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self.__characters = None
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def characters(self, content):
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if self.__characters is not None:
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self.__characters.append(content)
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# ------------------------------------------------
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# XmlPropertyListParser private
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# ------------------------------------------------
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def _push_value(self, value):
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if not self.__stack:
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self._assert(self.__plist is None, "Multiple objects at top level")
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self.__plist = value
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else:
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top = self.__stack[-1]
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#assert isinstance(top, (dict, list))
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if self.__in_dict:
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k = self.__key
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if k is None:
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raise PropertyListParseError("Missing key for dictionary.")
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top[k] = value
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self.__key = None
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else:
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top.append(value)
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def _push_stack(self, value):
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self.__stack.append(value)
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self.__in_dict = isinstance(value, dict)
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def _pop_stack(self):
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self.__stack.pop()
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self.__in_dict = self.__stack and isinstance(self.__stack[-1], dict)
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def _start_plist(self, name, attrs):
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self._assert(not self.__stack and self.__plist is None, "<plist> more than once.")
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self._assert(attrs.get('version', '1.0') == '1.0',
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"version 1.0 is only supported, but was '%s'." % attrs.get('version'))
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def _start_array(self, name, attrs):
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v = list()
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self._push_value(v)
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self._push_stack(v)
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def _start_dict(self, name, attrs):
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v = dict()
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self._push_value(v)
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self._push_stack(v)
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def _end_array(self, name):
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self._pop_stack()
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def _end_dict(self, name):
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if self.__key is not None:
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raise PropertyListParseError("Missing value for key '%s'" % self.__key)
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self._pop_stack()
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def _start_true(self, name, attrs):
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self._push_value(True)
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def _start_false(self, name, attrs):
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self._push_value(False)
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def _parse_key(self, name, content):
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if not self.__in_dict:
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print("XmlPropertyListParser() WARNING: ignoring <key>%s</key> (<key> elements must be contained in <dict> element)" % content)
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#raise PropertyListParseError("<key> element '%s' must be in <dict> element." % content)
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else:
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self.__key = content
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def _parse_string(self, name, content):
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self._push_value(content)
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def _parse_data(self, name, content):
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import base64
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self._push_value(base64.b64decode(content))
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# http://www.apple.com/DTDs/PropertyList-1.0.dtd says:
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#
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# Contents should conform to a subset of ISO 8601
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# (in particular, YYYY '-' MM '-' DD 'T' HH ':' MM ':' SS 'Z'.
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# Smaller units may be omitted with a loss of precision)
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import re
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DATETIME_PATTERN = re.compile(r"(?P<year>\d\d\d\d)(?:-(?P<month>\d\d)(?:-(?P<day>\d\d)(?:T(?P<hour>\d\d)(?::(?P<minute>\d\d)(?::(?P<second>\d\d))?)?)?)?)?Z$")
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def _parse_date(self, name, content):
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import datetime
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units = ('year', 'month', 'day', 'hour', 'minute', 'second', )
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pattern = XmlPropertyListParser.DATETIME_PATTERN
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match = pattern.match(content)
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if not match:
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raise PropertyListParseError("Failed to parse datetime '%s'" % content)
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groups, components = match.groupdict(), []
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for key in units:
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value = groups[key]
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if value is None:
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break
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components.append(int(value))
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while len(components) < 3:
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components.append(1)
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d = datetime.datetime(*components)
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self._push_value(d)
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def _parse_real(self, name, content):
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self._push_value(float(content))
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def _parse_integer(self, name, content):
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self._push_value(int(content))
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START_CALLBACKS = {
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'plist': _start_plist,
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'array': _start_array,
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'dict': _start_dict,
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'true': _start_true,
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'false': _start_false,
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}
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END_CALLBACKS = {
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'array': _end_array,
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'dict': _end_dict,
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}
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PARSE_CALLBACKS = {
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'key': _parse_key,
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'string': _parse_string,
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'data': _parse_data,
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'date': _parse_date,
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'real': _parse_real,
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'integer': _parse_integer,
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}
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# ------------------------------------------------
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# XmlPropertyListParser
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# ------------------------------------------------
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def _to_stream(self, io_or_string):
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if isinstance(io_or_string, basestring):
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# Creates a string stream for in-memory contents.
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from cStringIO import StringIO
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return StringIO(io_or_string)
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elif hasattr(io_or_string, 'read') and callable(getattr(io_or_string, 'read')):
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return io_or_string
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else:
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raise TypeError('Can\'t convert %s to file-like-object' % type(io_or_string))
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def _parse_using_etree(self, xml_input):
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from xml.etree.cElementTree import iterparse
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parser = iterparse(self._to_stream(xml_input), events=('start', 'end'))
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self.startDocument()
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try:
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for action, element in parser:
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name = element.tag
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if action == 'start':
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if name in XmlPropertyListParser.START_CALLBACKS:
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XmlPropertyListParser.START_CALLBACKS[name](self, element.tag, element.attrib)
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elif action == 'end':
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if name in XmlPropertyListParser.END_CALLBACKS:
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XmlPropertyListParser.END_CALLBACKS[name](self, name)
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if name in XmlPropertyListParser.PARSE_CALLBACKS:
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XmlPropertyListParser.PARSE_CALLBACKS[name](self, name, element.text or "")
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element.clear()
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except SyntaxError, e:
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raise PropertyListParseError(e)
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self.endDocument()
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return self.__plist
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def _parse_using_sax_parser(self, xml_input):
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from xml.sax import make_parser, handler, xmlreader, \
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SAXParseException
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source = xmlreader.InputSource()
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source.setByteStream(self._to_stream(xml_input))
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reader = make_parser()
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reader.setContentHandler(self)
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try:
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reader.parse(source)
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except SAXParseException, e:
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raise PropertyListParseError(e)
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return self.__plist
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def parse(self, xml_input):
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"""
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Parse the property list (`.plist`, `.xml, for example) ``xml_input``,
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which can be either a string or a file-like object.
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>>> parser = XmlPropertyListParser()
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>>> parser.parse(r'<plist version="1.0">'
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... r'<dict><key>Python</key><string>.py</string></dict>'
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... r'</plist>')
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{'Python': '.py'}
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"""
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try:
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return self._parse_using_etree(xml_input)
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except ImportError:
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# No xml.etree.ccElementTree found.
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return self._parse_using_sax_parser(xml_input)
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