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Commit 5b43a962 authored by Jérome Perrin's avatar Jérome Perrin
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XMLExportImport: WIP support pickle protocol 3 🚧

parent 1fd101de
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Showing with 268 additions and 73 deletions
product/ERP5/Document/BusinessTemplate.py
View file @ 5b43a962
......@@ -79,6 +79,7 @@ from OFS import SimpleItem
from OFS.Image import Pdata
import coverage
from io import BytesIO
from six.moves import StringIO
from copy import deepcopy
from zExceptions import BadRequest
from Products.ERP5Type.XMLExportImport import exportXML, customImporters
......@@ -347,10 +348,11 @@ class BusinessTemplateArchive(object):
try:
write = self._writeFile
except AttributeError:
if not isinstance(obj, (bytes, str)):
if hasattr(obj, 'read'):
obj.seek(0)
obj = obj.read()
elif not isinstance(obj, bytes):
#import pdb; pdb.set_trace()
if not isinstance(obj, bytes):
obj = obj.encode('utf-8')
self.revision.hash(path, obj)
self._writeString(obj, path)
......@@ -865,9 +867,9 @@ class ObjectTemplateItem(BaseTemplateItem):
obj = self.removeProperties(obj, 1, keep_workflow_history = True)
transaction.savepoint(optimistic=True)
f = BytesIO()
f = StringIO()
exportXML(obj._p_jar, obj._p_oid, f)
bta.addObject(f, key, path=path)
bta.addObject(f.getvalue().encode(), key, path=path)
if catalog_method_template_item:
# add all datas specific to catalog inside one file
......@@ -1083,8 +1085,8 @@ class ObjectTemplateItem(BaseTemplateItem):
for path, old_object in upgrade_list:
# compare object to see it there is changes
new_object = self._objects[path]
new_io = BytesIO()
old_io = BytesIO()
new_io = StringIO()
old_io = StringIO()
exportXML(new_object._p_jar, new_object._p_oid, new_io)
new_obj_xml = new_io.getvalue()
try:
......
product/ERP5Type/XMLExportImport/__init__.py
View file @ 5b43a962
......@@ -48,7 +48,7 @@ from lxml import etree
from lxml.etree import Element, SubElement
from xml_marshaller.xml_marshaller import Marshaller
from OFS.Image import Pdata
from base64 import standard_b64encode
from base64 import standard_b64encode, encodebytes
from hashlib import sha1
from Products.ERP5Type.Utils import ensure_list
#from zLOG import LOG
......@@ -223,7 +223,6 @@ def Folder_asXML(object, omit_xml_declaration=True, root=None):
## The code below was initially from OFS.XMLExportImport
from six import string_types as basestring
from base64 import encodebytes
from ZODB.serialize import referencesf
from ZODB.ExportImport import TemporaryFile, export_end_marker
from ZODB.utils import p64
......@@ -253,7 +252,6 @@ def reorderPickle(jar, p):
new_oid=storage.new_oid):
"Remap a persistent id to an existing ID and create a ghost for it."
if isinstance(ooid, tuple): ooid, klass = ooid
else: klass=None
......@@ -270,13 +268,23 @@ def reorderPickle(jar, p):
unpickler.persistent_load=persistent_load
newp=BytesIO()
pickler=OrderedPickler(newp,1)
pickler = OrderedPickler(newp, 3)
pickler.persistent_id=persistent_id
classdef = unpickler.load()
obj = unpickler.load()
pickler.dump(classdef)
pickler.dump(obj)
if 0: # debug
debugp = BytesIO()
debugpickler = OrderedPickler(debugp, 3)
debugpickler.persistent_id = persistent_id
debugpickler.dump(obj)
import pickletools
print(debugp.getvalue())
print(pickletools.dis(debugp.getvalue()))
p=newp.getvalue()
return obj, p
......@@ -290,14 +298,13 @@ def _mapOid(id_mapping, oid):
def XMLrecord(oid, plen, p, id_mapping):
# Proceed as usual
q=ppml.ToXMLUnpickler
f=BytesIO(p)
u=q(f)
f = BytesIO(p)
u = ppml.ToXMLUnpickler(f)
u.idprefix, id, aka = _mapOid(id_mapping, oid)
p=u.load(id_mapping=id_mapping).__str__(4)
p = u.load(id_mapping=id_mapping).__str__(4)
if f.tell() < plen:
p=p+u.load(id_mapping=id_mapping).__str__(4)
String=' <record id="%s" aka="%s">\n%s </record>\n' % (id, aka, p)
String=' <record id="%s" aka="%s">\n%s </record>\n' % (id, aka.decode(), p)
return String
def exportXML(jar, oid, file=None):
......@@ -334,15 +341,21 @@ def exportXML(jar, oid, file=None):
# Do real export
if file is None:
file = TemporaryFile()
file = TemporaryFile(mode='w')
elif isinstance(file, basestring):
file = open(file, 'w+b')
file = open(file, 'w')
write = file.write
write('<?xml version="1.0"?>\n<ZopeData>\n')
for oid in reordered_oid_list:
p = getReorderedPickle(oid)
write(XMLrecord(oid, len(p), p, id_mapping))
write('</ZopeData>\n')
if 0:
try:
print(file.getvalue())
except AttributeError:
pass
import pdb; pdb.set_trace()
return file
class zopedata:
......
product/ERP5Type/XMLExportImport/ppml.py
View file @ 5b43a962
......@@ -97,6 +97,9 @@ def convert(S):
new = reprs_re.sub(sub_reprs, S)
### patch end
if len(new) > (1.4*len(S)):
if not isinstance(S, six.binary_type):
# TODO zope4py3: is this the right place ? this supports Unicode('\n')
S = S.encode('ascii')
return 'base64', base64.encodebytes(S)[:-1]
elif '>' in new or '<' in S or '&' in S:
if not ']]>' in S:
......@@ -159,6 +162,10 @@ class Long(Scalar):
return result
class String(Scalar):
def tag_name(self):
return self.__class__.__name__.lower()
encoding = None
def __init__(self, v, mapping, encoding=''):
......@@ -174,7 +181,7 @@ class String(Scalar):
# be converted.
encoding = 'base64'
v = base64.encodebytes(self._v)[:-1]
self._v = self.mapping.convertBase64(v)
self._v = self.mapping.convertBase64(v).decode()
else:
encoding, self._v = convert(self._v)
self.encoding = encoding
......@@ -184,7 +191,7 @@ class String(Scalar):
encoding = '' # JPS repr is default encoding
else:
encoding = ' encoding="%s"' % encoding
name=self.__class__.__name__.lower()
name = self.tag_name()
result = '<%s%s%s>%s</%s>' % (name, id, encoding, v, name)
if hasattr(self, 'id'):
# The value is Immutable - let us add it the the immutable mapping
......@@ -193,8 +200,14 @@ class String(Scalar):
return '%s%s\n' % (' '*indent, result)
class Unicode(String):
def value(self):
return self._v.encode('utf-8')
def tag_name(self):
if six.PY3:
return 'string'
return super(Unicode, self).tag_name()
class Bytes(String):
pass
class Wrapper:
def __init__(self, v, mapping):
......@@ -480,88 +493,166 @@ class ToXMLUnpickler(Unpickler):
def load_persid(self):
pid = self.readline()[:-1]
self.append(self.persistent_load(String(pid, self.id_mapping)))
if six.PY2:
dispatch[PERSID] = load_persid
dispatch[PERSID[0]] = load_persid
def load_binpersid(self):
pid = self.stack.pop()
self.append(self.persistent_load(pid))
if six.PY2:
dispatch[BINPERSID] = load_binpersid
dispatch[BINPERSID[0]] = load_binpersid
def load_none(self):
self.append(none)
if six.PY2:
dispatch[NONE] = load_none
dispatch[NONE[0]] = load_none
def load_int(self):
self.append(Int(int(self.readline()[:-1]), self.id_mapping))
if six.PY2:
dispatch[INT] = load_int
dispatch[INT[0]] = load_int
def load_binint(self):
self.append(Int(mloads('i' + self.read(4)), self.id_mapping))
self.append(Int(mloads(b'i' + self.read(4)), self.id_mapping))
if six.PY2:
dispatch[BININT] = load_binint
dispatch[BININT[0]] = load_binint
def load_binint1(self):
self.append(Int(mloads('i' + self.read(1) + '\000\000\000'), self.id_mapping))
self.append(Int(mloads(b'i' + self.read(1) + b'\000\000\000'), self.id_mapping))
if six.PY2:
dispatch[BININT1] = load_binint1
dispatch[BININT1[0]] = load_binint1
def load_binint2(self):
self.append(Int(mloads('i' + self.read(2) + '\000\000'), self.id_mapping))
self.append(Int(mloads(b'i' + self.read(2) + b'\000\000'), self.id_mapping))
if six.PY2:
dispatch[BININT2] = load_binint2
dispatch[BININT2[0]] = load_binint2
def load_long(self):
self.append(Long(long_(self.readline()[:-1], 0), self.id_mapping))
if six.PY2:
dispatch[LONG] = load_long
dispatch[LONG[0]] = load_long
def load_float(self):
self.append(Float(float(self.readline()[:-1]), self.id_mapping))
if six.PY2:
dispatch[FLOAT] = load_float
dispatch[FLOAT[0]] = load_float
def load_binfloat(self, unpack=struct.unpack):
self.append(Float(unpack('>d', self.read(8))[0], self.id_mapping))
if six.PY2:
dispatch[BINFLOAT] = load_binfloat
dispatch[BINFLOAT[0]] = load_binfloat
def load_string(self):
self.append(String(eval(self.readline()[:-1],
{'__builtins__': {}}), self.id_mapping)) # Let's be careful
if six.PY2:
dispatch[STRING] = load_string
dispatch[STRING[0]] = load_string
def load_binstring(self):
len = mloads('i' + self.read(4))
len = mloads(b'i' + self.read(4))
self.append(String(self.read(len), self.id_mapping))
if six.PY2:
dispatch[BINSTRING] = load_binstring
dispatch[BINSTRING[0]] = load_binstring
def load_unicode(self):
self.append(Unicode(six.text_type(eval(self.readline()[:-1],
line = self.readline()
self.append(Unicode(six.text_type(eval(line[:-1],
{'__builtins__': {}})), self.id_mapping)) # Let's be careful
if six.PY2:
dispatch[UNICODE] = load_unicode
dispatch[UNICODE[0]] = load_unicode
def load_binunicode(self):
len = mloads('i' + self.read(4))
len = mloads(b'i' + self.read(4))
self.append(Unicode(six.text_type(self.read(len), 'utf-8'), self.id_mapping))
if six.PY2:
dispatch[BINUNICODE] = load_binunicode
dispatch[BINUNICODE[0]] = load_binunicode
def load_short_binstring(self):
len = mloads('i' + self.read(1) + '\000\000\000')
len = mloads(b'i' + self.read(1) + b'\000\000\000')
self.append(String(self.read(len), self.id_mapping))
if six.PY2:
dispatch[SHORT_BINSTRING] = load_short_binstring
dispatch[SHORT_BINSTRING[0]] = load_short_binstring
def load_binbytes(self):
len = mloads(b'i' + self.read(4))
self.append(Bytes(self.read(len), self.id_mapping))
if six.PY2:
dispatch[BINBYTES] = load_binbytes
dispatch[BINBYTES[0]] = load_binbytes
def load_short_binbytes(self):
len = mloads(b'i' + self.read(1) + b'\000\000\000')
self.append(Bytes(self.read(len), self.id_mapping))
if six.PY2:
dispatch[SHORT_BINBYTES] = load_short_binbytes
dispatch[SHORT_BINBYTES[0]] = load_short_binbytes
def load_tuple(self):
k = self.marker()
#LOG('load_tuple, k',0,k)
#LOG('load_tuple, stack[k+1:]',0,self.stack[k+1:])
self.stack[k:] = [Tuple(self.id_mapping, v=self.stack[k+1:])]
if six.PY2:
dispatch[TUPLE] = load_tuple
dispatch[TUPLE[0]] = load_tuple
def load_tuple1(self):
self.stack[-1] = Tuple(self.id_mapping, v=(self.stack[-1],))
if six.PY2:
dispatch[TUPLE1] = load_tuple1
dispatch[TUPLE1[0]] = load_tuple1
def load_tuple2(self):
self.stack[-2:] = [Tuple(self.id_mapping, v=(self.stack[-2], self.stack[-1]))]
if six.PY2:
dispatch[TUPLE2] = load_tuple2
dispatch[TUPLE2[0]] = load_tuple2
def load_tuple3(self):
self.stack[-3:] = [Tuple(self.id_mapping, v=(self.stack[-3], self.stack[-2], self.stack[-1]))]
if six.PY2:
dispatch[TUPLE3] = load_tuple3
dispatch[TUPLE3[0]] = load_tuple3
def load_empty_tuple(self):
self.stack.append(Tuple(self.id_mapping))
if six.PY2:
dispatch[EMPTY_TUPLE] = load_empty_tuple
dispatch[EMPTY_TUPLE[0]] = load_empty_tuple
def load_empty_list(self):
self.stack.append(List(self.id_mapping))
if six.PY2:
dispatch[EMPTY_LIST] = load_empty_list
dispatch[EMPTY_LIST[0]] = load_empty_list
def load_empty_dictionary(self):
self.stack.append(Dictionary(self.id_mapping))
if six.PY2:
dispatch[EMPTY_DICT] = load_empty_dictionary
dispatch[EMPTY_DICT[0]] = load_empty_dictionary
def load_list(self):
k = self.marker()
self.stack[k:] = [List(self.id_mapping, v=self.stack[k+1:])]
if six.PY2:
dispatch[LIST] = load_list
dispatch[LIST[0]] = load_list
def load_dict(self):
k = self.marker()
......@@ -572,17 +663,21 @@ class ToXMLUnpickler(Unpickler):
value = items[i+1]
d[key] = value
self.stack[k:] = [d]
if six.PY2:
dispatch[DICT] = load_dict
dispatch[DICT[0]] = load_dict
def load_inst(self):
k = self.marker()
args = Tuple(self.id_mapping, v=self.stack[k+1:])
del self.stack[k:]
module = self.readline()[:-1]
name = self.readline()[:-1]
module = self.readline()[:-1].decode()
name = self.readline()[:-1].decode()
value=Object(Global(module, name, self.id_mapping), args, self.id_mapping)
self.append(value)
if six.PY2:
dispatch[INST] = load_inst
dispatch[INST[0]] = load_inst
def load_obj(self):
stack = self.stack
......@@ -593,13 +688,29 @@ class ToXMLUnpickler(Unpickler):
del stack[k:]
value=Object(klass,args, self.id_mapping)
self.append(value)
if six.PY2:
dispatch[OBJ] = load_obj
dispatch[OBJ[0]] = load_obj
def load_newobj(self):
# TODO: not really sure of this one, maybe we need
# a NewObj instead of Object
args = self.stack.pop()
cls = self.stack[-1]
obj = Object(cls, args, self.id_mapping)
self.stack[-1] = obj
#print('load_newobj', self.stack)
if six.PY2:
dispatch[NEWOBJ] = load_newobj
dispatch[NEWOBJ[0]] = load_newobj
def load_global(self):
module = self.readline()[:-1]
name = self.readline()[:-1]
module = self.readline()[:-1].decode()
name = self.readline()[:-1].decode()
self.append(Global(module, name, self.id_mapping))
if six.PY2:
dispatch[GLOBAL] = load_global
dispatch[GLOBAL[0]] = load_global
def load_reduce(self):
stack = self.stack
......@@ -610,38 +721,51 @@ class ToXMLUnpickler(Unpickler):
value=Object(callable, arg_tup, self.id_mapping)
self.append(value)
if six.PY2:
dispatch[REDUCE] = load_reduce
dispatch[REDUCE[0]] = load_reduce
idprefix=''
def load_get(self):
self.append(Get(self.idprefix+self.readline()[:-1], self.id_mapping))
if six.PY2:
dispatch[GET] = load_get
dispatch[GET[0]] = load_get
def load_binget(self):
i = mloads('i' + self.read(1) + '\000\000\000')
i = mloads(b'i' + self.read(1) + b'\000\000\000')
self.append(Get(self.idprefix+repr(i), self.id_mapping))
if six.PY2:
dispatch[BINGET] = load_binget
dispatch[BINGET[0]] = load_binget
def load_long_binget(self):
i = mloads('i' + self.read(4))
i = mloads(b'i' + self.read(4))
self.append(Get(self.idprefix+repr(i), self.id_mapping))
if six.PY2:
dispatch[LONG_BINGET] = load_long_binget
dispatch[LONG_BINGET[0]] = load_long_binget
def load_put(self):
self.stack[-1].id=self.idprefix+self.readline()[:-1]
if six.PY2:
dispatch[PUT] = load_put
dispatch[PUT[0]] = load_put
def load_binput(self):
i = mloads('i' + self.read(1) + '\000\000\000')
#LOG('load_binput', 0, 'self.stack = %r, self.idprefix+`i` = %r' % (self.stack, self.idprefix+`i`))
i = mloads(b'i' + self.read(1) + b'\000\000\000')
self.stack[-1].id=self.idprefix+repr(i)
if six.PY2:
dispatch[BINPUT] = load_binput
dispatch[BINPUT[0]] = load_binput
def load_long_binput(self):
i = mloads('i' + self.read(4))
i = mloads(b'i' + self.read(4))
self.stack[-1].id=self.idprefix+repr(i)
if six.PY2:
dispatch[LONG_BINPUT] = load_long_binput
dispatch[LONG_BINPUT[0]] = load_long_binput
class LogCall:
def __init__(self, func):
......@@ -651,7 +775,7 @@ class ToXMLUnpickler(Unpickler):
#LOG('LogCall', 0, 'self.stack = %r, func = %s' % (context.stack, self.func.__name__))
return self.func(context)
#for code in dispatch.keys():
# for code in dispatch.keys():
# dispatch[code] = LogCall(dispatch[code])
def ToXMLload(file):
......@@ -711,26 +835,81 @@ def save_string(self, tag, data):
a = data[1]
v = b''.join(data[2:])
encoding = a.get('encoding', 'repr') # JPS: repr is default encoding
if encoding is not '':
if encoding != '':
v = unconvert(encoding, v)
if self.binary:
l = len(v)
if l < 256:
if encoding == 'base64':
# TODO: zope4py3 (all this is unfinished)
# We can be here for two reasons:
# - the input was a string with \n or similar control characters
# that are not allowed in XML, so the str was exported as base64.
# - the input was a _p_oid exported from python2, in that case
# we want to get a zodbpickle.binary back
# XXX all this seems a bad idea, we need more context if we want
# to have such heuristics
if len(v) == 8:
# looks like a _p_oid, assume it is a persistent_id -> bytes
op = SHORT_BINBYTES
else:
# if it's a valid UTF-8 string -> str
try:
v.decode('utf-8')
# XXX maybe check with repr_re ?
op = BINUNICODE
v = op + struct.pack('<i', l) + v
return save_put(self, v, a)
except UnicodeDecodeError:
# not valid utf-8 -> bytes
op = SHORT_BINBYTES
else:
# XXX this branch seems wrong
op = SHORT_BINSTRING
try:
v.decode('ascii')
# XXX zope4py3 we could also create an unpickler with encoding utf-8 ?
except UnicodeDecodeError:
op = BINUNICODE
v = op + struct.pack('<i', l) + v
return save_put(self, v, a)
v = op + six.int2byte(l) + v
else:
# TODO: zope4py3 see assumption above for SHORT_BINBYTES / SHORT_BINSTRING
# TODO no! check this more ...
# op = BINSTRING
if encoding == 'base64':
op = BINBYTES
else:
op = BINSTRING
op = BINSTRING if six.PY2 else BINUNICODE
v = op + struct.pack('<i', l) + v
else:
v = STRING + repr(v) + '\n'
return save_put(self, v, a)
def save_bytes(self, tag, data):
a = data[1]
v = b''.join(data[2:])
encoding = a.get('encoding', 'repr')
assert encoding == 'base64'
if encoding is not '':
v = unconvert(encoding, v)
if self.binary:
l = len(v)
if l < 256:
op = SHORT_BINBYTES
v = op + six.int2byte(l) + v
else:
op = BINBYTES
v = op + struct.pack('<i', l) + v
else:
# XXX used ??? seems wrong
v = BYTES + repr(v) + '\n'
return save_put(self, v, a)
def save_unicode(self, tag, data):
binary=self.binary
v=b''
......@@ -864,6 +1043,7 @@ class xmlPickler(NoBlanks, xyap):
'int': save_int,
'long': save_long,
'float': save_float,
'bytes': save_bytes,
'string': save_string,
'unicode': save_unicode,
'reference': save_reference,
......
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