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nexedi
ZEO
Commits
ddc41882
Commit
ddc41882
authored
Jan 07, 2008
by
Jim Fulton
Browse files
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Browse Files
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Email Patches
Plain Diff
Got rid of more version support.
parent
81c1fae4
Changes
17
Expand all
Show whitespace changes
Inline
Side-by-side
Showing
17 changed files
with
175 additions
and
379 deletions
+175
-379
src/ZEO/ClientStorage.py
src/ZEO/ClientStorage.py
+50
-133
src/ZEO/CommitLog.py
src/ZEO/CommitLog.py
+2
-2
src/ZEO/ServerStub.py
src/ZEO/ServerStub.py
+28
-57
src/ZEO/StorageServer.py
src/ZEO/StorageServer.py
+43
-100
src/ZEO/TransactionBuffer.py
src/ZEO/TransactionBuffer.py
+10
-16
src/ZEO/__init__.py
src/ZEO/__init__.py
+0
-3
src/ZEO/interfaces.py
src/ZEO/interfaces.py
+2
-2
src/ZEO/monitor.py
src/ZEO/monitor.py
+13
-1
src/ZEO/scripts/timeout.py
src/ZEO/scripts/timeout.py
+1
-2
src/ZEO/tests/ConnectionTests.py
src/ZEO/tests/ConnectionTests.py
+9
-1
src/ZEO/tests/InvalidationTests.py
src/ZEO/tests/InvalidationTests.py
+1
-40
src/ZEO/tests/registerDB.test
src/ZEO/tests/registerDB.test
+4
-4
src/ZEO/tests/testTransactionBuffer.py
src/ZEO/tests/testTransactionBuffer.py
+6
-6
src/ZEO/tests/testZEO.py
src/ZEO/tests/testZEO.py
+4
-8
src/ZEO/tests/test_cache.py
src/ZEO/tests/test_cache.py
+0
-2
src/ZODB/interfaces.py
src/ZODB/interfaces.py
+1
-1
src/ZODB/tests/BasicStorage.py
src/ZODB/tests/BasicStorage.py
+1
-1
No files found.
src/ZEO/ClientStorage.py
View file @
ddc41882
This diff is collapsed.
Click to expand it.
src/ZEO/CommitLog.py
View file @
ddc41882
...
...
@@ -34,8 +34,8 @@ class CommitLog:
def
size
(
self
):
return
self
.
file
.
tell
()
def
store
(
self
,
oid
,
serial
,
data
,
version
):
self
.
pickler
.
dump
((
oid
,
serial
,
data
,
version
))
def
store
(
self
,
oid
,
serial
,
data
):
self
.
pickler
.
dump
((
oid
,
serial
,
data
))
self
.
stores
+=
1
def
get_loader
(
self
):
...
...
src/ZEO/ServerStub.py
View file @
ddc41882
...
...
@@ -116,23 +116,21 @@ class StorageServer:
# server will make an asynchronous invalidateVerify() call.
# @param oid object id
# @param s serial number on non-version data
# @param sv serial number of version data or None
# @defreturn async
def
zeoVerify
(
self
,
oid
,
s
,
sv
):
self
.
rpc
.
callAsync
(
'zeoVerify'
,
oid
,
s
,
sv
)
def
zeoVerify
(
self
,
oid
,
s
):
self
.
rpc
.
callAsync
(
'zeoVerify'
,
oid
,
s
,
None
)
##
# Check whether current serial number is valid for oid
and version
.
# Check whether current serial number is valid for oid.
# If the serial number is not current, the server will make an
# asynchronous invalidateVerify() call.
# @param oid object id
# @param version name of version for oid
# @param serial client's current serial number
# @defreturn async
def
verify
(
self
,
oid
,
version
,
serial
):
self
.
rpc
.
callAsync
(
'verify'
,
oid
,
version
,
serial
)
def
verify
(
self
,
oid
,
serial
):
self
.
rpc
.
callAsync
(
'verify'
,
oid
,
''
,
serial
)
##
# Signal to the server that cache verification is done.
...
...
@@ -166,34 +164,26 @@ class StorageServer:
self
.
rpc
.
call
(
'pack'
,
t
,
wait
)
##
# Return current data for oid. Version data is returned if
# present.
# Return current data for oid.
# @param oid object id
# @defreturn 5-tuple
# @return 5-tuple, current non-version data, serial number,
# version name, version data, version data serial number
# @defreturn 2-tuple
# @return 2-tuple, current non-version data, serial number
# @exception KeyError if oid is not found
def
zeoLoad
(
self
,
oid
):
return
self
.
rpc
.
call
(
'zeoLoad'
,
oid
)
return
self
.
rpc
.
call
(
'zeoLoad'
,
oid
)
[:
2
]
##
# Return current data for oid in version, the tid of the
# transaction that wrote the most recent revision, and the name of
# the version for the data returned. Note that if the object
# wasn't modified in the version, then the non-version data is
# returned and the returned version is an empty string.
# Return current data for oid, and the tid of the
# transaction that wrote the most recent revision.
# @param oid object id
# @param version string, name of version
# @defreturn 3-tuple
# @return data, transaction id, version
# where version is the name of the version the data came
# from or "" for non-version data
# @defreturn 2-tuple
# @return data, transaction id
# @exception KeyError if oid is not found
def
loadEx
(
self
,
oid
,
version
):
return
self
.
rpc
.
call
(
"loadEx"
,
oid
,
version
)
def
loadEx
(
self
,
oid
):
return
self
.
rpc
.
call
(
"loadEx"
,
oid
,
''
)[:
2
]
##
# Return non-current data along with transaction ids that identify
...
...
@@ -213,14 +203,13 @@ class StorageServer:
# @param oid object id
# @param serial serial number that this transaction read
# @param data new data record for oid
# @param version name of version or ""
# @param id id of current transaction
# @defreturn async
def
storea
(
self
,
oid
,
serial
,
data
,
version
,
id
):
self
.
rpc
.
callAsync
(
'storea'
,
oid
,
serial
,
data
,
version
,
id
)
def
storea
(
self
,
oid
,
serial
,
data
,
id
):
self
.
rpc
.
callAsync
(
'storea'
,
oid
,
serial
,
data
,
''
,
id
)
def
storeBlob
(
self
,
oid
,
serial
,
data
,
blobfilename
,
version
,
txn
):
def
storeBlob
(
self
,
oid
,
serial
,
data
,
blobfilename
,
txn
):
# Store a blob to the server. We don't want to real all of
# the data into memory, so we use a message iterator. This
...
...
@@ -235,13 +224,13 @@ class StorageServer:
break
yield
(
'storeBlobChunk'
,
(
chunk
,
))
f
.
close
()
yield
(
'storeBlobEnd'
,
(
oid
,
serial
,
data
,
version
,
id
(
txn
)))
yield
(
'storeBlobEnd'
,
(
oid
,
serial
,
data
,
''
,
id
(
txn
)))
self
.
rpc
.
callAsyncIterator
(
store
())
def
storeBlobShared
(
self
,
oid
,
serial
,
data
,
filename
,
version
,
id
):
def
storeBlobShared
(
self
,
oid
,
serial
,
data
,
filename
,
id
):
self
.
rpc
.
callAsync
(
'storeBlobShared'
,
oid
,
serial
,
data
,
filename
,
version
,
id
)
''
,
id
)
##
# Start two-phase commit for a transaction
...
...
@@ -267,23 +256,17 @@ class StorageServer:
def
tpc_abort
(
self
,
id
):
self
.
rpc
.
callAsync
(
'tpc_abort'
,
id
)
def
abortVersion
(
self
,
src
,
id
):
return
self
.
rpc
.
call
(
'abortVersion'
,
src
,
id
)
def
commitVersion
(
self
,
src
,
dest
,
id
):
return
self
.
rpc
.
call
(
'commitVersion'
,
src
,
dest
,
id
)
def
history
(
self
,
oid
,
version
,
length
=
None
):
def
history
(
self
,
oid
,
length
=
None
):
if
length
is
None
:
return
self
.
rpc
.
call
(
'history'
,
oid
,
version
)
return
self
.
rpc
.
call
(
'history'
,
oid
,
''
)
else
:
return
self
.
rpc
.
call
(
'history'
,
oid
,
version
,
length
)
return
self
.
rpc
.
call
(
'history'
,
oid
,
''
,
length
)
def
record_iternext
(
self
,
next
):
return
self
.
rpc
.
call
(
'record_iternext'
,
next
)
def
load
(
self
,
oid
,
version
):
return
self
.
rpc
.
call
(
'load'
,
oid
,
version
)
def
load
(
self
,
oid
):
return
self
.
rpc
.
call
(
'load'
,
oid
,
''
)
def
sendBlob
(
self
,
oid
,
serial
):
return
self
.
rpc
.
call
(
'sendBlob'
,
oid
,
serial
)
...
...
@@ -294,14 +277,11 @@ class StorageServer:
def
loadSerial
(
self
,
oid
,
serial
):
return
self
.
rpc
.
call
(
'loadSerial'
,
oid
,
serial
)
def
modifiedInVersion
(
self
,
oid
):
return
self
.
rpc
.
call
(
'modifiedInVersion'
,
oid
)
def
new_oid
(
self
):
return
self
.
rpc
.
call
(
'new_oid'
)
def
store
(
self
,
oid
,
serial
,
data
,
version
,
trans
):
return
self
.
rpc
.
call
(
'store'
,
oid
,
serial
,
data
,
version
,
trans
)
def
store
(
self
,
oid
,
serial
,
data
,
trans
):
return
self
.
rpc
.
call
(
'store'
,
oid
,
serial
,
data
,
''
,
trans
)
def
undo
(
self
,
trans_id
,
trans
):
return
self
.
rpc
.
call
(
'undo'
,
trans_id
,
trans
)
...
...
@@ -312,15 +292,6 @@ class StorageServer:
def
undoInfo
(
self
,
first
,
last
,
spec
):
return
self
.
rpc
.
call
(
'undoInfo'
,
first
,
last
,
spec
)
def
versionEmpty
(
self
,
vers
):
return
self
.
rpc
.
call
(
'versionEmpty'
,
vers
)
def
versions
(
self
,
max
=
None
):
if
max
is
None
:
return
self
.
rpc
.
call
(
'versions'
)
else
:
return
self
.
rpc
.
call
(
'versions'
,
max
)
class
ExtensionMethodWrapper
:
def
__init__
(
self
,
rpc
,
name
):
self
.
rpc
=
rpc
...
...
src/ZEO/StorageServer.py
View file @
ddc41882
This diff is collapsed.
Click to expand it.
src/ZEO/TransactionBuffer.py
View file @
ddc41882
...
...
@@ -77,34 +77,28 @@ class TransactionBuffer:
finally
:
self
.
lock
.
release
()
def
store
(
self
,
oid
,
version
,
data
):
def
store
(
self
,
oid
,
data
):
"""Store oid, version, data for later retrieval"""
self
.
lock
.
acquire
()
try
:
self
.
_store
(
oid
,
version
,
data
)
finally
:
self
.
lock
.
release
()
def
storeBlob
(
self
,
oid
,
blobfilename
):
self
.
blobs
.
append
((
oid
,
blobfilename
))
def
_store
(
self
,
oid
,
version
,
data
):
"""Store oid, version, data for later retrieval"""
if
self
.
closed
:
return
self
.
pickler
.
dump
((
oid
,
version
,
data
))
self
.
pickler
.
dump
((
oid
,
data
))
self
.
count
+=
1
# Estimate per-record cache size
self
.
size
=
self
.
size
+
len
(
data
)
+
31
if
version
:
# Assume version data has same size as non-version data
self
.
size
=
self
.
size
+
len
(
version
)
+
len
(
data
)
+
12
finally
:
self
.
lock
.
release
()
def
storeBlob
(
self
,
oid
,
blobfilename
):
self
.
blobs
.
append
((
oid
,
blobfilename
))
def
invalidate
(
self
,
oid
,
version
):
def
invalidate
(
self
,
oid
):
self
.
lock
.
acquire
()
try
:
if
self
.
closed
:
return
self
.
pickler
.
dump
((
oid
,
version
,
None
))
self
.
pickler
.
dump
((
oid
,
None
))
self
.
count
+=
1
finally
:
self
.
lock
.
release
()
...
...
src/ZEO/__init__.py
View file @
ddc41882
...
...
@@ -20,6 +20,3 @@ ZEO is now part of ZODB; ZODB's home on the web is
http://www.zope.org/Wikis/ZODB
"""
# The next line must use double quotes, so release.py recognizes it.
version
=
"3.7.0b3"
src/ZEO/interfaces.py
View file @
ddc41882
...
...
@@ -41,7 +41,7 @@ class IServeable(zope.interface.Interface):
performed by the most recent transactions.
An iterable of up to size entries must be returned, where each
entry is a transaction id and a sequence of object-id/
version
pairs describing the objects
and versions
written by the
entry is a transaction id and a sequence of object-id/
empty-string
pairs describing the objects written by the
transaction, in chronological order.
"""
src/ZEO/monitor.py
View file @
ddc41882
...
...
@@ -24,6 +24,18 @@ import logging
import
ZEO
zeo_version
=
'unknown'
try
:
import
pkg_resources
except
ImportError
:
pass
else
:
zeo_dist
=
pkg_resources
.
working_set
.
find
(
pkg_resources
.
Requirement
.
parse
(
'ZODB3'
)
)
if
zeo_dist
is
not
None
:
zeo_version
=
zeo_dist
.
version
class
StorageStats
:
"""Per-storage usage statistics."""
...
...
@@ -149,7 +161,7 @@ class StatsServer(asyncore.dispatcher):
f
.
close
()
def
dump
(
self
,
f
):
print
>>
f
,
"ZEO monitor server version %s"
%
ZEO
.
version
print
>>
f
,
"ZEO monitor server version %s"
%
zeo_
version
print
>>
f
,
time
.
ctime
()
print
>>
f
...
...
src/ZEO/scripts/timeout.py
View file @
ddc41882
...
...
@@ -49,14 +49,13 @@ def main():
print
"Connected. Now starting a transaction..."
oid
=
storage
.
new_oid
()
version
=
""
revid
=
ZERO
data
=
MinPO
(
"timeout.py"
)
pickled_data
=
zodb_pickle
(
data
)
t
=
Transaction
()
t
.
user
=
"timeout.py"
storage
.
tpc_begin
(
t
)
storage
.
store
(
oid
,
revid
,
pickled_data
,
version
,
t
)
storage
.
store
(
oid
,
revid
,
pickled_data
,
''
,
t
)
print
"Stored. Now voting..."
storage
.
tpc_vote
(
t
)
...
...
src/ZEO/tests/ConnectionTests.py
View file @
ddc41882
...
...
@@ -111,9 +111,17 @@ class CommonSetupTearDown(StorageTestBase):
self
.
_newAddr
()
self
.
startServer
()
# self._old_log_level = logging.getLogger().getEffectiveLevel()
# logging.getLogger().setLevel(logging.WARNING)
# self._log_handler = logging.StreamHandler()
# logging.getLogger().addHandler(self._log_handler)
def
tearDown
(
self
):
"""Try to cause the tests to halt"""
logging
.
info
(
"tearDown() %s"
%
self
.
id
())
# logging.getLogger().setLevel(self._old_log_level)
# logging.getLogger().removeHandler(self._log_handler)
# logging.info("tearDown() %s" % self.id())
for
p
in
self
.
conf_paths
:
os
.
remove
(
p
)
if
getattr
(
self
,
'_storage'
,
None
)
is
not
None
:
...
...
src/ZEO/tests/InvalidationTests.py
View file @
ddc41882
...
...
@@ -24,8 +24,7 @@ from BTrees.OOBTree import OOBTree
from
ZEO.tests.TestThread
import
TestThread
from
ZODB.DB
import
DB
from
ZODB.POSException
\
import
ReadConflictError
,
ConflictError
,
VersionLockError
from
ZODB.POSException
import
ReadConflictError
,
ConflictError
# The tests here let several threads have a go at one or more database
# instances simultaneously. Each thread appends a disjoint (from the
...
...
@@ -433,44 +432,6 @@ class InvalidationTests:
db1
.
close
()
db2
.
close
()
# TODO: Temporarily disabled. I know it fails, and there's no point
# getting an endless number of reports about that.
def
xxxcheckConcurrentUpdatesInVersions
(
self
):
self
.
_storage
=
storage1
=
self
.
openClientStorage
()
db1
=
DB
(
storage1
)
db2
=
DB
(
self
.
openClientStorage
())
stop
=
threading
.
Event
()
cn
=
db1
.
open
()
tree
=
cn
.
root
()[
"tree"
]
=
OOBTree
()
transaction
.
commit
()
cn
.
close
()
# Run three threads that update the BTree.
# Two of the threads share a single storage so that it
# is possible for both threads to read the same object
# at the same time.
cd
=
{}
t1
=
VersionStressThread
(
db1
,
stop
,
1
,
cd
,
1
,
3
)
t2
=
VersionStressThread
(
db2
,
stop
,
2
,
cd
,
2
,
3
,
0.01
)
t3
=
VersionStressThread
(
db2
,
stop
,
3
,
cd
,
3
,
3
,
0.01
)
self
.
go
(
stop
,
cd
,
t1
,
t2
,
t3
)
while
db1
.
lastTransaction
()
!=
db2
.
lastTransaction
():
db1
.
_storage
.
sync
()
db2
.
_storage
.
sync
()
cn
=
db1
.
open
()
tree
=
cn
.
root
()[
"tree"
]
self
.
_check_tree
(
cn
,
tree
)
self
.
_check_threads
(
tree
,
t1
,
t2
,
t3
)
cn
.
close
()
db1
.
close
()
db2
.
close
()
def
checkConcurrentLargeUpdates
(
self
):
# Use 3 threads like the 2StorageMT test above.
self
.
_storage
=
storage1
=
self
.
openClientStorage
()
...
...
src/ZEO/tests/registerDB.test
View file @
ddc41882
...
...
@@ -81,17 +81,17 @@ Now, if we call invalidate, we'll see it propigate to the client:
invalidateTransaction
trans2
2
[(
'ob1'
,
''
),
(
'ob2'
,
''
)]
>>>
storage
.
db
.
invalidate
(
'trans3'
,
[
'ob1'
,
'ob2'
]
,
'v'
)
>>>
storage
.
db
.
invalidate
(
'trans3'
,
[
'ob1'
,
'ob2'
])
invalidateTransaction
trans3
1
[(
'ob1'
,
'
v'
),
(
'ob2'
,
'v
'
)]
[(
'ob1'
,
'
'
),
(
'ob2'
,
'
'
)]
invalidateTransaction
trans3
2
[(
'ob1'
,
'
v'
),
(
'ob2'
,
'v
'
)]
[(
'ob1'
,
'
'
),
(
'ob2'
,
'
'
)]
The
storage
servers
queue
will
reflect
the
invalidations
:
>>>
for
tid
,
invalidated
in
server
.
invq
[
't'
]
:
...
print
repr
(
tid
),
invalidated
'trans3'
[(
'ob1'
,
'
v'
),
(
'ob2'
,
'v
'
)]
'trans3'
[(
'ob1'
,
'
'
),
(
'ob2'
,
'
'
)]
'trans2'
[(
'ob1'
,
''
),
(
'ob2'
,
''
)]
'trans1'
[(
'ob0'
,
''
),
(
'ob1'
,
''
)]
'trans0'
[(
'ob0'
,
''
)]
...
...
src/ZEO/tests/testTransactionBuffer.py
View file @
ddc41882
...
...
@@ -23,18 +23,18 @@ def random_string(size):
def
new_store_data
():
"""Return arbitrary data to use as argument to store() method."""
return
random_string
(
8
),
''
,
random_string
(
random
.
randrange
(
1000
))
return
random_string
(
8
),
random_string
(
random
.
randrange
(
1000
))
def
new_invalidate_data
():
"""Return arbitrary data to use as argument to invalidate() method."""
return
random_string
(
8
)
,
''
return
random_string
(
8
)
class
TransBufTests
(
unittest
.
TestCase
):
def
checkTypicalUsage
(
self
):
tbuf
=
TransactionBuffer
()
tbuf
.
store
(
*
new_store_data
())
tbuf
.
invalidate
(
*
new_invalidate_data
())
tbuf
.
invalidate
(
new_invalidate_data
())
for
o
in
tbuf
:
pass
...
...
@@ -45,13 +45,13 @@ class TransBufTests(unittest.TestCase):
tbuf
.
store
(
*
d
)
data
.
append
(
d
)
d
=
new_invalidate_data
()
tbuf
.
invalidate
(
*
d
)
tbuf
.
invalidate
(
d
)
data
.
append
(
d
)
for
i
,
x
in
enumerate
(
tbuf
):
if
x
[
2
]
is
None
:
if
x
[
1
]
is
None
:
# the tbuf add a dummy None to invalidates
x
=
x
[
:
2
]
x
=
x
[
0
]
self
.
assertEqual
(
x
,
data
[
i
])
def
checkOrderPreserved
(
self
):
...
...
src/ZEO/tests/testZEO.py
View file @
ddc41882
...
...
@@ -517,7 +517,6 @@ class CommonBlobTests:
handle_serials
import
transaction
version
=
''
somedata
=
'a'
*
10
blob
=
Blob
()
...
...
@@ -680,9 +679,6 @@ class StorageServerWrapper:
def
supportsUndo
(
self
):
return
False
def
supportsVersions
(
self
):
return
False
def
new_oid
(
self
):
return
self
.
server
.
new_oids
(
1
)[
0
]
...
...
@@ -696,8 +692,8 @@ class StorageServerWrapper:
del
self
.
server
.
client
.
serials
[:]
return
result
def
store
(
self
,
oid
,
serial
,
data
,
version
,
transaction
):
self
.
server
.
storea
(
oid
,
serial
,
data
,
version
,
id
(
transaction
))
def
store
(
self
,
oid
,
serial
,
data
,
version
_ignored
,
transaction
):
self
.
server
.
storea
(
oid
,
serial
,
data
,
''
,
id
(
transaction
))
def
tpc_finish
(
self
,
transaction
,
func
=
lambda
:
None
):
self
.
server
.
tpc_finish
(
id
(
transaction
))
...
...
@@ -792,7 +788,7 @@ structure using lastTransactions.
>>> from ZODB.utils import u64
>>> sorted([int(u64(oid)) for (oid,
version
) in oids])
>>> sorted([int(u64(oid)) for (oid,
_
) in oids])
[0, 92, 93, 94, 95, 96, 97, 98, 99, 100]
(Note that the fact that we get oids for 92-100 is actually an
...
...
@@ -840,7 +836,7 @@ transaction, we'll get a result:
>>> ntid == last[-1]
True
>>> sorted([int(u64(oid)) for (oid,
version
) in oids])
>>> sorted([int(u64(oid)) for (oid,
_
) in oids])
[0, 101, 102, 103, 104]
"""
...
...
src/ZEO/tests/test_cache.py
View file @
ddc41882
...
...
@@ -94,12 +94,10 @@ class CacheTests(unittest.TestCase):
def
testLoad
(
self
):
data1
=
"data for n1"
self
.
assertEqual
(
self
.
cache
.
load
(
n1
,
""
),
None
)
self
.
assertEqual
(
self
.
cache
.
load
(
n1
,
"version"
),
None
)
self
.
cache
.
store
(
n1
,
""
,
n3
,
None
,
data1
)
self
.
assertEqual
(
self
.
cache
.
load
(
n1
,
""
),
(
data1
,
n3
,
""
))
# The cache doesn't know whether version exists, because it
# only has non-version data.
self
.
assertEqual
(
self
.
cache
.
load
(
n1
,
"version"
),
None
)
self
.
assertEqual
(
self
.
cache
.
modifiedInVersion
(
n1
),
None
)
def
testInvalidate
(
self
):
...
...
src/ZODB/interfaces.py
View file @
ddc41882
...
...
@@ -217,7 +217,7 @@ class IConnection(Interface):
Parameters:
tid: the storage-level id of the transaction that committed
oids: oids is a
set of oids, represented as a dict with oids as key
s.
oids: oids is a
n iterable of oid
s.
"""
def
root
():
...
...
src/ZODB/tests/BasicStorage.py
View file @
ddc41882
...
...
@@ -47,7 +47,7 @@ class BasicStorage:
self
.
assertRaises
(
POSException
.
StorageTransactionError
,
self
.
_storage
.
store
,
0
,
1
,
2
,
3
,
transaction
.
Transaction
())
0
,
1
,
2
,
''
,
transaction
.
Transaction
())
self
.
_storage
.
tpc_abort
(
t
)
def
checkSerialIsNoneForInitialRevision
(
self
):
...
...
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