Re: [Neo4j] neo4j python import error

2011-09-23 Thread bmeagle 
On Thu, Sep 22, 2011 at 3:37 PM, Jacob Hansson-2 [via Neo4j Community
Discussions] ml-node+s438527n3358782...@n3.nabble.com wrote:
 Update on this:

 I just pushed this to master, you will be able to follow the build via our
 build control panel. When the deploy Embedded Python project has run
 successfully, the updated version should be available on pypi for
download.
 There is currently almost 200 builds queued up, so it may take a while..


http://builder.neo4j.org/project.html?projectId=project34tab=projectOverview
 (just click login as guest)

 Thanks for reporting this, it turned out to be a proper bug (using :
 instead of ; as classpath separators on windows). Let me know if the fix
 worked!

 /Jake

I downloaded and installed the newest version, but I still got the same
error, classpath was still incorrect.

print os.environ['CLASSPATH']

.;C:\Program
Files\Java\jre1.6.0_07\lib\ext\QTJava.zip;C:\Python27\Lib\site-packages\neo4j\javalib\

 import neo4j

Traceback (most recent call last):
 File pyshell#3, line 1, in module
   import neo4j
 File C:\Python27\lib\site-packages\neo4j\__init__.py, line 29, in
module
   from neo4j.core import GraphDatabase, Direction, NotFoundException, BOTH,
ANY, INCOMING, OUTGOING
 File C:\Python27\lib\site-packages\neo4j\core.py, line 19, in module
   from _backend import *
 File C:\Python27\lib\site-packages\neo4j\_backend.py, line 158, in
module
   raise ImportError(Cannot find Neo4j java classes, used classpath: %s %
classpath)
ImportError: Cannot find Neo4j java classes, used classpath: .;C:\Program
Files\Java\jre1.6.0_07\lib\ext\QTJava.zip;C:\Python27\Lib\site-packages\neo4j\javalib\

I then updated the classpath with a modified version of your code:

 libpath = 'C:\\Python27\\Lib\\site-packages\\neo4j\\javalib\\'

 os.environ['CLASSPATH']=';'.join(libpath+p for p in os.listdir(libpath))

print os.environ['CLASSPATH']

C:\Python27\Lib\site-packages\neo4j\javalib\antlr-2.7.7.jar;C:\Python27\Lib\site-packages\neo4j\javalib\asm-3.2.jar;C:\Python27\Lib\site-packages\neo4j\javalib\asm-analysis-3.2.jar;C:\Python27\Lib\site-packages\neo4j\javalib\asm-commons-3.2.jar;C:\Python27\Lib\site-packages\neo4j\javalib\asm-tree-3.2.jar;C:\Python27\Lib\site-packages\neo4j\javalib\asm-util-3.2.jar;C:\Python27\Lib\site-packages\neo4j\javalib\blueprints-core-0.9.jar;C:\Python27\Lib\site-packages\neo4j\javalib\geronimo-jta_1.1_spec-1.1.1.jar;C:\Python27\Lib\site-packages\neo4j\javalib\gremlin-1.2.jar;C:\Python27\Lib\site-packages\neo4j\javalib\groovy-1.8.1.jar;C:\Python27\Lib\site-packages\neo4j\javalib\jansi-1.5.jar;C:\Python27\Lib\site-packages\neo4j\javalib\jettison-1.3.jar;C:\Python27\Lib\site-packages\neo4j\javalib\lucene-core-3.1.0.jar;C:\Python27\Lib\site-packages\neo4j\javalib\neo4j-1.5-SNAPSHOT.jar;C:\Python27\Lib\site-packages\neo4j\javalib\neo4j-cypher-1.5-SNAPSHOT.jar;C:\Python27\Lib\site-packages\ne
 
o4j\javalib\neo4j-graph-algo-1.5-SNAPSHOT.jar;C:\Python27\Lib\site-packages\neo4j\javalib\neo4j-graph-matching-1.5-SNAPSHOT.jar;C:\Python27\Lib\site-packages\neo4j\javalib\neo4j-jmx-1.5-SNAPSHOT.jar;C:\Python27\Lib\site-packages\neo4j\javalib\neo4j-kernel-1.5-SNAPSHOT.jar;C:\Python27\Lib\site-packages\neo4j\javalib\neo4j-lucene-index-1.5-SNAPSHOT.jar;C:\Python27\Lib\site-packages\neo4j\javalib\neo4j-udc-1.5-SNAPSHOT.jar;C:\Python27\Lib\site-packages\neo4j\javalib\pipes-0.7.jar;C:\Python27\Lib\site-packages\neo4j\javalib\scala-library-2.9.0-1.jar;C:\Python27\Lib\site-packages\neo4j\javalib\stax-api-1.0.1.jar;C:\Python27\Lib\site-packages\neo4j\javalib\__init__.py;C:\Python27\Lib\site-packages\neo4j\javalib\__init__.pyc;C:\Python27\Lib\site-packages\neo4j\javalib\__init__.pyo

Now it complains about DLL's:

 import neo4j

Traceback (most recent call last):
 File pyshell#10, line 1, in module
   import neo4j
 File C:\Python27\lib\site-packages\neo4j\__init__.py, line 29, in
module
   from neo4j.core import GraphDatabase, Direction, NotFoundException, BOTH,
ANY, INCOMING, OUTGOING
 File C:\Python27\lib\site-packages\neo4j\core.py, line 19, in module
   from _backend import *
 File C:\Python27\lib\site-packages\neo4j\_backend.py, line 113, in
module
   raise Exception(Unable to start JVM, even though I found the JVM path.
If you are using windows, this may be due to missing system DLL files,
please see the windows installation instructions in the neo4j
documentation.,e)
Exception: ('Unable to start JVM, even though I found the JVM path. If you
are using windows, this may be due to missing system DLL files, please see
the windows installation instructions in the neo4j documentation.',
RuntimeError('Unable to start JVM at src/native/common/jp_env.cpp:54',))

I'll keep you posted, at least the java path check works now.

-- 
Dewald Pieterse

A democracy is nothing more than mob rule, where fifty-one percent of the
people take away the rights of the other forty-nine. ~ Thomas Jefferson
http://www.jonathangullible.com/mmedia/PoL.English.The.Philosophy.of.Liberty.swf


--
View this

Re: [Neo4j] neo4j python import error

2011-09-23 Thread Jacob Hansson 
For the DLL issues, see the windows section of the installation
instructions, here:

http://docs.neo4j.org/chunked/1.5-SNAPSHOT/python-embedded-installation.html

Keep me posted!
Jake

On Fri, Sep 23, 2011 at 10:37 AM, bmeagle dewald.piete...@gmail.com wrote:

 On Thu, Sep 22, 2011 at 3:37 PM, Jacob Hansson-2 [via Neo4j Community
 Discussions] ml-node+s438527n3358782...@n3.nabble.com wrote:
  Update on this:
 
  I just pushed this to master, you will be able to follow the build via
 our
  build control panel. When the deploy Embedded Python project has run
  successfully, the updated version should be available on pypi for
 download.
  There is currently almost 200 builds queued up, so it may take a while..
 
 

 http://builder.neo4j.org/project.html?projectId=project34tab=projectOverview
  (just click login as guest)
 
  Thanks for reporting this, it turned out to be a proper bug (using :
  instead of ; as classpath separators on windows). Let me know if the
 fix
  worked!
 
  /Jake

 I downloaded and installed the newest version, but I still got the same
 error, classpath was still incorrect.

 print os.environ['CLASSPATH']

 .;C:\Program

 Files\Java\jre1.6.0_07\lib\ext\QTJava.zip;C:\Python27\Lib\site-packages\neo4j\javalib\

  import neo4j

 Traceback (most recent call last):
  File pyshell#3, line 1, in module
import neo4j
  File C:\Python27\lib\site-packages\neo4j\__init__.py, line 29, in
 module
   from neo4j.core import GraphDatabase, Direction, NotFoundException, BOTH,
 ANY, INCOMING, OUTGOING
  File C:\Python27\lib\site-packages\neo4j\core.py, line 19, in module
   from _backend import *
  File C:\Python27\lib\site-packages\neo4j\_backend.py, line 158, in
 module
   raise ImportError(Cannot find Neo4j java classes, used classpath: %s %
 classpath)
 ImportError: Cannot find Neo4j java classes, used classpath: .;C:\Program

 Files\Java\jre1.6.0_07\lib\ext\QTJava.zip;C:\Python27\Lib\site-packages\neo4j\javalib\

 I then updated the classpath with a modified version of your code:

  libpath = 'C:\\Python27\\Lib\\site-packages\\neo4j\\javalib\\'

  os.environ['CLASSPATH']=';'.join(libpath+p for p in
 os.listdir(libpath))

 print os.environ['CLASSPATH']


 C:\Python27\Lib\site-packages\neo4j\javalib\antlr-2.7.7.jar;C:\Python27\Lib\site-packages\neo4j\javalib\asm-3.2.jar;C:\Python27\Lib\site-packages\neo4j\javalib\asm-analysis-3.2.jar;C:\Python27\Lib\site-packages\neo4j\javalib\asm-commons-3.2.jar;C:\Python27\Lib\site-packages\neo4j\javalib\asm-tree-3.2.jar;C:\Python27\Lib\site-packages\neo4j\javalib\asm-util-3.2.jar;C:\Python27\Lib\site-packages\neo4j\javalib\blueprints-core-0.9.jar;C:\Python27\Lib\site-packages\neo4j\javalib\geronimo-jta_1.1_spec-1.1.1.jar;C:\Python27\Lib\site-packages\neo4j\javalib\gremlin-1.2.jar;C:\Python27\Lib\site-packages\neo4j\javalib\groovy-1.8.1.jar;C:\Python27\Lib\site-packages\neo4j\javalib\jansi-1.5.jar;C:\Python27\Lib\site-packages\neo4j\javalib\jettison-1.3.jar;C:\Python27\Lib\site-packages\neo4j\javalib\lucene-core-3.1.0.jar;C:\Python27\Lib\site-packages\neo4j\javalib\neo4j-1.5-SNAPSHOT.jar;C:\Python27\Lib\site-packages\neo4j\javalib\neo4j-cypher-1.5-SNAPSHOT.jar;C:\Python27\Lib\site-packages\
 ne

  
 o4j\javalib\neo4j-graph-algo-1.5-SNAPSHOT.jar;C:\Python27\Lib\site-packages\neo4j\javalib\neo4j-graph-matching-1.5-SNAPSHOT.jar;C:\Python27\Lib\site-packages\neo4j\javalib\neo4j-jmx-1.5-SNAPSHOT.jar;C:\Python27\Lib\site-packages\neo4j\javalib\neo4j-kernel-1.5-SNAPSHOT.jar;C:\Python27\Lib\site-packages\neo4j\javalib\neo4j-lucene-index-1.5-SNAPSHOT.jar;C:\Python27\Lib\site-packages\neo4j\javalib\neo4j-udc-1.5-SNAPSHOT.jar;C:\Python27\Lib\site-packages\neo4j\javalib\pipes-0.7.jar;C:\Python27\Lib\site-packages\neo4j\javalib\scala-library-2.9.0-1.jar;C:\Python27\Lib\site-packages\neo4j\javalib\stax-api-1.0.1.jar;C:\Python27\Lib\site-packages\neo4j\javalib\__init__.py;C:\Python27\Lib\site-packages\neo4j\javalib\__init__.pyc;C:\Python27\Lib\site-packages\neo4j\javalib\__init__.pyo

 Now it complains about DLL's:

  import neo4j

 Traceback (most recent call last):
  File pyshell#10, line 1, in module
import neo4j
  File C:\Python27\lib\site-packages\neo4j\__init__.py, line 29, in
 module
   from neo4j.core import GraphDatabase, Direction, NotFoundException, BOTH,
 ANY, INCOMING, OUTGOING
  File C:\Python27\lib\site-packages\neo4j\core.py, line 19, in module
   from _backend import *
  File C:\Python27\lib\site-packages\neo4j\_backend.py, line 113, in
 module
   raise Exception(Unable to start JVM, even though I found the JVM path.
 If you are using windows, this may be due to missing system DLL files,
 please see the windows installation instructions in the neo4j
 documentation.,e)
 Exception: ('Unable to start JVM, even though I found the JVM path. If you
 are using windows, this may be due to missing system DLL files, please see
 the windows installation instructions in the neo4j documentation.',
 RuntimeError('Unable to start JVM at

Re: [Neo4j] neo4j python import error

2011-09-23 Thread bmeagle 
I've sorted the DLL issues, now I can import neo4j along with my os.environ
path additions.

On Fri, Sep 23, 2011 at 10:55 AM, Jacob Hansson-2 [via Neo4j Community
Discussions] ml-node+s438527n3361314...@n3.nabble.com wrote:

 For the DLL issues, see the windows section of the installation
 instructions, here:


 http://docs.neo4j.org/chunked/1.5-SNAPSHOT/python-embedded-installation.html

 Keep me posted!
 Jake

 On Fri, Sep 23, 2011 at 10:37 AM, bmeagle [hidden 
 email]http://user/SendEmail.jtp?type=nodenode=3361314i=0
 wrote:

  On Thu, Sep 22, 2011 at 3:37 PM, Jacob Hansson-2 [via Neo4j Community
  Discussions] [hidden 
  email]http://user/SendEmail.jtp?type=nodenode=3361314i=1
 wrote:
   Update on this:
  
   I just pushed this to master, you will be able to follow the build via
  our
   build control panel. When the deploy Embedded Python project has run
   successfully, the updated version should be available on pypi for
  download.
   There is currently almost 200 builds queued up, so it may take a
 while..
  
  
 
 
 http://builder.neo4j.org/project.html?projectId=project34tab=projectOverview
   (just click login as guest)
  
   Thanks for reporting this, it turned out to be a proper bug (using :
   instead of ; as classpath separators on windows). Let me know if the
  fix
   worked!
  
   /Jake
 
  I downloaded and installed the newest version, but I still got the same
  error, classpath was still incorrect.
 
  print os.environ['CLASSPATH']
 
  .;C:\Program
 
 
 Files\Java\jre1.6.0_07\lib\ext\QTJava.zip;C:\Python27\Lib\site-packages\neo4j\javalib\

 
   import neo4j
 
  Traceback (most recent call last):
   File pyshell#3, line 1, in module
 import neo4j
   File C:\Python27\lib\site-packages\neo4j\__init__.py, line 29, in
  module
from neo4j.core import GraphDatabase, Direction, NotFoundException,
 BOTH,
  ANY, INCOMING, OUTGOING
   File C:\Python27\lib\site-packages\neo4j\core.py, line 19, in module

from _backend import *
   File C:\Python27\lib\site-packages\neo4j\_backend.py, line 158, in
  module
raise ImportError(Cannot find Neo4j java classes, used classpath: %s
 %
  classpath)
  ImportError: Cannot find Neo4j java classes, used classpath: .;C:\Program

 
 
 Files\Java\jre1.6.0_07\lib\ext\QTJava.zip;C:\Python27\Lib\site-packages\neo4j\javalib\

 
  I then updated the classpath with a modified version of your code:
 
   libpath = 'C:\\Python27\\Lib\\site-packages\\neo4j\\javalib\\'
 
   os.environ['CLASSPATH']=';'.join(libpath+p for p in
  os.listdir(libpath))
 
  print os.environ['CLASSPATH']
 
 
 
 C:\Python27\Lib\site-packages\neo4j\javalib\antlr-2.7.7.jar;C:\Python27\Lib\site-packages\neo4j\javalib\asm-3.2.jar;C:\Python27\Lib\site-packages\neo4j\javalib\asm-analysis-3.2.jar;C:\Python27\Lib\site-packages\neo4j\javalib\asm-commons-3.2.jar;C:\Python27\Lib\site-packages\neo4j\javalib\asm-tree-3.2.jar;C:\Python27\Lib\site-packages\neo4j\javalib\asm-util-3.2.jar;C:\Python27\Lib\site-packages\neo4j\javalib\blueprints-core-0.9.jar;C:\Python27\Lib\site-packages\neo4j\javalib\geronimo-jta_1.1_spec-1.1.1.jar;C:\Python27\Lib\site-packages\neo4j\javalib\gremlin-1.2.jar;C:\Python27\Lib\site-packages\neo4j\javalib\groovy-1.8.1.jar;C:\Python27\Lib\site-packages\neo4j\javalib\jansi-1.5.jar;C:\Python27\Lib\site-packages\neo4j\javalib\jettison-1.3.jar;C:\Python27\Lib\site-packages\neo4j\javalib\lucene-core-3.1.0.jar;C:\Python27\Lib\site-packages\neo4j\javalib\neo4j-1.5-SNAPSHOT.jar;C:\Python27\Lib\site-packages\neo4j\javalib\neo4j-cypher-1.5-SNAPSHOT.jar;C:\Python27\Lib\site-packages\

  ne

 
 
  
 o4j\javalib\neo4j-graph-algo-1.5-SNAPSHOT.jar;C:\Python27\Lib\site-packages\neo4j\javalib\neo4j-graph-matching-1.5-SNAPSHOT.jar;C:\Python27\Lib\site-packages\neo4j\javalib\neo4j-jmx-1.5-SNAPSHOT.jar;C:\Python27\Lib\site-packages\neo4j\javalib\neo4j-kernel-1.5-SNAPSHOT.jar;C:\Python27\Lib\site-packages\neo4j\javalib\neo4j-lucene-index-1.5-SNAPSHOT.jar;C:\Python27\Lib\site-packages\neo4j\javalib\neo4j-udc-1.5-SNAPSHOT.jar;C:\Python27\Lib\site-packages\neo4j\javalib\pipes-0.7.jar;C:\Python27\Lib\site-packages\neo4j\javalib\scala-library-2.9.0-1.jar;C:\Python27\Lib\site-packages\neo4j\javalib\stax-api-1.0.1.jar;C:\Python27\Lib\site-packages\neo4j\javalib\__init__.py;C:\Python27\Lib\site-packages\neo4j\javalib\__init__.pyc;C:\Python27\Lib\site-packages\neo4j\javalib\__init__.pyo

 
  Now it complains about DLL's:
 
   import neo4j
 
  Traceback (most recent call last):
   File pyshell#10, line 1, in module
 import neo4j
   File C:\Python27\lib\site-packages\neo4j\__init__.py, line 29, in
  module
from neo4j.core import GraphDatabase, Direction, NotFoundException,
 BOTH,
  ANY, INCOMING, OUTGOING
   File C:\Python27\lib\site-packages\neo4j\core.py, line 19, in module

from _backend import *
   File C:\Python27\lib\site-packages\neo4j\_backend.py, line 113, in
  module
raise Exception(Unable to start JVM, even though I found the JVM path.

  If you are using windows, this may be due

Re: [Neo4j] neo4j python import error

2011-09-23 Thread Jacob Hansson 
Great :)

If you run into any other problems, or have ideas for improvements, please
feel free to post them here on the mailing list, or to create issues with
the project bug tracker:

https://github.com/neo4j/python-embedded/issues

/Jake

On Fri, Sep 23, 2011 at 10:57 AM, bmeagle dewald.piete...@gmail.com wrote:

 I've sorted the DLL issues, now I can import neo4j along with my os.environ
 path additions.

 On Fri, Sep 23, 2011 at 10:55 AM, Jacob Hansson-2 [via Neo4j Community
 Discussions] ml-node+s438527n3361314...@n3.nabble.com wrote:

  For the DLL issues, see the windows section of the installation
  instructions, here:
 
 
 
 http://docs.neo4j.org/chunked/1.5-SNAPSHOT/python-embedded-installation.html
 
  Keep me posted!
  Jake
 
  On Fri, Sep 23, 2011 at 10:37 AM, bmeagle [hidden email]
 http://user/SendEmail.jtp?type=nodenode=3361314i=0
  wrote:
 
   On Thu, Sep 22, 2011 at 3:37 PM, Jacob Hansson-2 [via Neo4j Community
   Discussions] [hidden email]
 http://user/SendEmail.jtp?type=nodenode=3361314i=1
  wrote:
Update on this:
   
I just pushed this to master, you will be able to follow the build
 via
   our
build control panel. When the deploy Embedded Python project has
 run
successfully, the updated version should be available on pypi for
   download.
There is currently almost 200 builds queued up, so it may take a
  while..
   
   
  
  
 
 http://builder.neo4j.org/project.html?projectId=project34tab=projectOverview
(just click login as guest)
   
Thanks for reporting this, it turned out to be a proper bug (using
 :
instead of ; as classpath separators on windows). Let me know if
 the
   fix
worked!
   
/Jake
  
   I downloaded and installed the newest version, but I still got the same
   error, classpath was still incorrect.
  
   print os.environ['CLASSPATH']
  
   .;C:\Program
  
  
 
 Files\Java\jre1.6.0_07\lib\ext\QTJava.zip;C:\Python27\Lib\site-packages\neo4j\javalib\
 
  
import neo4j
  
   Traceback (most recent call last):
File pyshell#3, line 1, in module
  import neo4j
File C:\Python27\lib\site-packages\neo4j\__init__.py, line 29, in
   module
 from neo4j.core import GraphDatabase, Direction, NotFoundException,
  BOTH,
   ANY, INCOMING, OUTGOING
File C:\Python27\lib\site-packages\neo4j\core.py, line 19, in
 module
 
 from _backend import *
File C:\Python27\lib\site-packages\neo4j\_backend.py, line 158, in
   module
 raise ImportError(Cannot find Neo4j java classes, used classpath:
 %s
  %
   classpath)
   ImportError: Cannot find Neo4j java classes, used classpath:
 .;C:\Program
 
  
  
 
 Files\Java\jre1.6.0_07\lib\ext\QTJava.zip;C:\Python27\Lib\site-packages\neo4j\javalib\
 
  
   I then updated the classpath with a modified version of your code:
  
libpath = 'C:\\Python27\\Lib\\site-packages\\neo4j\\javalib\\'
  
os.environ['CLASSPATH']=';'.join(libpath+p for p in
   os.listdir(libpath))
  
   print os.environ['CLASSPATH']
  
  
  
 
 C:\Python27\Lib\site-packages\neo4j\javalib\antlr-2.7.7.jar;C:\Python27\Lib\site-packages\neo4j\javalib\asm-3.2.jar;C:\Python27\Lib\site-packages\neo4j\javalib\asm-analysis-3.2.jar;C:\Python27\Lib\site-packages\neo4j\javalib\asm-commons-3.2.jar;C:\Python27\Lib\site-packages\neo4j\javalib\asm-tree-3.2.jar;C:\Python27\Lib\site-packages\neo4j\javalib\asm-util-3.2.jar;C:\Python27\Lib\site-packages\neo4j\javalib\blueprints-core-0.9.jar;C:\Python27\Lib\site-packages\neo4j\javalib\geronimo-jta_1.1_spec-1.1.1.jar;C:\Python27\Lib\site-packages\neo4j\javalib\gremlin-1.2.jar;C:\Python27\Lib\site-packages\neo4j\javalib\groovy-1.8.1.jar;C:\Python27\Lib\site-packages\neo4j\javalib\jansi-1.5.jar;C:\Python27\Lib\site-packages\neo4j\javalib\jettison-1.3.jar;C:\Python27\Lib\site-packages\neo4j\javalib\lucene-core-3.1.0.jar;C:\Python27\Lib\site-packages\neo4j\javalib\neo4j-1.5-SNAPSHOT.jar;C:\Python27\Lib\site-packages\neo4j\javalib\neo4j-cypher-1.5-SNAPSHOT.jar;C:\Python27\Lib\site-packages\
 
   ne
 
  
  
 
  
 o4j\javalib\neo4j-graph-algo-1.5-SNAPSHOT.jar;C:\Python27\Lib\site-packages\neo4j\javalib\neo4j-graph-matching-1.5-SNAPSHOT.jar;C:\Python27\Lib\site-packages\neo4j\javalib\neo4j-jmx-1.5-SNAPSHOT.jar;C:\Python27\Lib\site-packages\neo4j\javalib\neo4j-kernel-1.5-SNAPSHOT.jar;C:\Python27\Lib\site-packages\neo4j\javalib\neo4j-lucene-index-1.5-SNAPSHOT.jar;C:\Python27\Lib\site-packages\neo4j\javalib\neo4j-udc-1.5-SNAPSHOT.jar;C:\Python27\Lib\site-packages\neo4j\javalib\pipes-0.7.jar;C:\Python27\Lib\site-packages\neo4j\javalib\scala-library-2.9.0-1.jar;C:\Python27\Lib\site-packages\neo4j\javalib\stax-api-1.0.1.jar;C:\Python27\Lib\site-packages\neo4j\javalib\__init__.py;C:\Python27\Lib\site-packages\neo4j\javalib\__init__.pyc;C:\Python27\Lib\site-packages\neo4j\javalib\__init__.pyo
 
  
   Now it complains about DLL's:
  
import neo4j
  
   Traceback (most recent call last):
File pyshell#10, line 1, in module
  import neo4j
File

[Neo4j] neo4j python import error

2011-09-22 Thread bmeagle 
Hi all,

Decided to give neo4j via python a try but alas:

from neo4j import GraphDatabase

Traceback (most recent call last):
  File lt;pyshell#1gt;, line 1, in module
from neo4j import GraphDatabase
  File C:\Python27\lib\site-packages\neo4j\__init__.py, line 29, in
module
from neo4j.core import GraphDatabase, Direction, NotFoundException,
BOTH, ANY, INCOMING, OUTGOING
  File C:\Python27\lib\site-packages\neo4j\core.py, line 27, in module
GraphDatabase = extends(GraphDatabaseService)
  File C:\Python27\lib\site-packages\neo4j\_backend.py, line 43, in
extends
return ParentClass(getattr(CLASS,'__name__','Class'),(),{})
  File C:\Python27\lib\site-packages\neo4j\_backend.py, line 34, in
__new__
return type.__new__(Class, name, (object,), body)
TypeError: type() argument 1 must be string, not JPackage

I am using winxp I installed neo4j-embedded-1.5.dev104.win32.exe and I am
using python 2.7

Regards
bmeagle

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Re: [Neo4j] neo4j python import error

2011-09-22 Thread Jacob Hansson 
Hmm, I think the error you are getting is the result of neo4j-embedded not
finding java jars that it needs (I'll add it to the backlog to add an
explicit check for that, rather than failing like this).

Normally, neo4j-embedded will set its classpath itself, pointing to the java
jars it comes bundled with. However, it is possible to override this, by
setting the environment variable CLASSPATH to some value. Could you check
if this is the case?

If not, please let me know what platform you are running, and what version
of neo4j-embedded you have installed, and I'll dig deeper into it.

Oh, and I'll make a note that the environment var needs to be changed to
something more specific.

/Jake

On Thu, Sep 22, 2011 at 1:46 PM, bmeagle dewald.piete...@gmail.com wrote:

 Hi all,

 Decided to give neo4j via python a try but alas:

 from neo4j import GraphDatabase

 Traceback (most recent call last):
  File lt;pyshell#1gt;, line 1, in module
from neo4j import GraphDatabase
  File C:\Python27\lib\site-packages\neo4j\__init__.py, line 29, in
 module
from neo4j.core import GraphDatabase, Direction, NotFoundException,
 BOTH, ANY, INCOMING, OUTGOING
  File C:\Python27\lib\site-packages\neo4j\core.py, line 27, in module
GraphDatabase = extends(GraphDatabaseService)
  File C:\Python27\lib\site-packages\neo4j\_backend.py, line 43, in
 extends
return ParentClass(getattr(CLASS,'__name__','Class'),(),{})
  File C:\Python27\lib\site-packages\neo4j\_backend.py, line 34, in
 __new__
return type.__new__(Class, name, (object,), body)
 TypeError: type() argument 1 must be string, not JPackage

 I am using winxp I installed neo4j-embedded-1.5.dev104.win32.exe and I am
 using python 2.7

 Regards
 bmeagle

 --
 View this message in context:
 http://neo4j-community-discussions.438527.n3.nabble.com/neo4j-python-import-error-tp3358482p3358482.html
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 Nabble.com.
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Re: [Neo4j] neo4j python import error

2011-09-22 Thread bmeagle 
I tried adding C:\Python27\Lib\site-packages\neo4j\javalib to sys.path but
that didn't work, see below.
I am running python 2.7 on win xp I installed
neo4j-embedded-1.5.dev104.win32.exe


 import neo4j

Traceback (most recent call last):
  File lt;pyshell#0gt;, line 1, in module
import neo4j
  File C:\Python27\lib\site-packages\neo4j\__init__.py, line 29, in
module
from neo4j.core import GraphDatabase, Direction, NotFoundException,
BOTH, ANY, INCOMING, OUTGOING
  File C:\Python27\lib\site-packages\neo4j\core.py, line 27, in module
GraphDatabase = extends(GraphDatabaseService)
  File C:\Python27\lib\site-packages\neo4j\_backend.py, line 43, in
extends
return ParentClass(getattr(CLASS,'__name__','Class'),(),{})
  File C:\Python27\lib\site-packages\neo4j\_backend.py, line 34, in
__new__
return type.__new__(Class, name, (object,), body)
TypeError: type() argument 1 must be string, not JPackage

 import sys

 print sys.path
['C:\\Python27\\Lib\\idlelib',
'C:\\Python27\\lib\\site-packages\\zodb3-3.10.3-py2.7-win32.egg',
'C:\\Python27\\lib\\site-packages\\zope.interface-3.8.0-py2.7-win32.egg',
'C:\\Python27\\lib\\site-packages\\zope.event-3.5.1-py2.7.egg',
'C:\\Python27\\lib\\site-packages\\zdaemon-2.0.4-py2.7.egg',
'C:\\Python27\\lib\\site-packages\\zconfig-2.9.0-py2.7.egg',
'C:\\Python27\\lib\\site-packages\\zc.lockfile-1.0.0-py2.7.egg',
'C:\\Python27\\lib\\site-packages\\transaction-1.1.1-py2.7.egg',
'C:\\WINDOWS\\system32\\python27.zip', 'C:\\Python27\\DLLs',
'C:\\Python27\\lib', 'C:\\Python27\\lib\\plat-win',
'C:\\Python27\\lib\\lib-tk', 'C:\\Python27',
'C:\\Python27\\lib\\site-packages', 'C:\\Python27\\lib\\site-packages\\PIL',
'C:\\Python27\\lib\\site-packages\\win32',
'C:\\Python27\\lib\\site-packages\\win32\\lib',
'C:\\Python27\\lib\\site-packages\\Pythonwin']

 sys.path.append('C:\Python27\Lib\site-packages\neo4j\javalib')

 print sys.path
['C:\\Python27\\Lib\\idlelib',
'C:\\Python27\\lib\\site-packages\\zodb3-3.10.3-py2.7-win32.egg',
'C:\\Python27\\lib\\site-packages\\zope.interface-3.8.0-py2.7-win32.egg',
'C:\\Python27\\lib\\site-packages\\zope.event-3.5.1-py2.7.egg',
'C:\\Python27\\lib\\site-packages\\zdaemon-2.0.4-py2.7.egg',
'C:\\Python27\\lib\\site-packages\\zconfig-2.9.0-py2.7.egg',
'C:\\Python27\\lib\\site-packages\\zc.lockfile-1.0.0-py2.7.egg',
'C:\\Python27\\lib\\site-packages\\transaction-1.1.1-py2.7.egg',
'C:\\WINDOWS\\system32\\python27.zip', 'C:\\Python27\\DLLs',
'C:\\Python27\\lib', 'C:\\Python27\\lib\\plat-win',
'C:\\Python27\\lib\\lib-tk', 'C:\\Python27',
'C:\\Python27\\lib\\site-packages', 'C:\\Python27\\lib\\site-packages\\PIL',
'C:\\Python27\\lib\\site-packages\\win32',
'C:\\Python27\\lib\\site-packages\\win32\\lib',
'C:\\Python27\\lib\\site-packages\\Pythonwin',
'C:\\Python27\\Lib\\site-packages\\neo4j\\javalib']

 sys.path.append('C:\\Python27\\Lib\\site-packages\\neo4j\\javalib')

 import neo4j

Traceback (most recent call last):
  File lt;pyshell#8gt;, line 1, in module
import neo4j
  File C:\Python27\lib\site-packages\neo4j\__init__.py, line 29, in
module
from neo4j.core import GraphDatabase, Direction, NotFoundException,
BOTH, ANY, INCOMING, OUTGOING
  File C:\Python27\lib\site-packages\neo4j\core.py, line 27, in module
GraphDatabase = extends(GraphDatabaseService)
  File C:\Python27\lib\site-packages\neo4j\_backend.py, line 43, in
extends
return ParentClass(getattr(CLASS,'__name__','Class'),(),{})
  File C:\Python27\lib\site-packages\neo4j\_backend.py, line 34, in
__new__
return type.__new__(Class, name, (object,), body)
TypeError: type() argument 1 must be string, not JPackage


Jacob Hansson-2 wrote:
 
 Hmm, I think the error you are getting is the result of neo4j-embedded not
 finding java jars that it needs (I'll add it to the backlog to add an
 explicit check for that, rather than failing like this).
 
 Normally, neo4j-embedded will set its classpath itself, pointing to the
 java
 jars it comes bundled with. However, it is possible to override this, by
 setting the environment variable CLASSPATH to some value. Could you
 check
 if this is the case?
 
 If not, please let me know what platform you are running, and what version
 of neo4j-embedded you have installed, and I'll dig deeper into it.
 
 Oh, and I'll make a note that the environment var needs to be changed to
 something more specific.
 
 /Jake
 
 On Thu, Sep 22, 2011 at 1:46 PM, bmeagle lt;dewald.piete...@gmail.comgt;
 wrote:
 
 Hi all,

 Decided to give neo4j via python a try but alas:

 from neo4j import GraphDatabase

 Traceback (most recent call last):
  File lt;pyshell#1gt;, line 1, in module
from neo4j import GraphDatabase
  File C:\Python27\lib\site-packages\neo4j\__init__.py, line 29, in
 module
from neo4j.core import GraphDatabase, Direction, NotFoundException,
 BOTH, ANY, INCOMING, OUTGOING
  File C:\Python27\lib\site-packages\neo4j\core.py, line 27, in module
GraphDatabase = extends(GraphDatabaseService)
  File

Re: [Neo4j] neo4j python import error

2011-09-22 Thread Jacob Hansson 
No, the sys.path thing won't work, JPype doesn't pull it's java libs off of
sys.path (unfortunately). Instead, it needs an explicit java classpath
passed to it when it gets instantiated.

Neo4j-embedded sets that classpath either on it's own (which may be broken
on windows, I'm investigating that now), or using the value of the CLASSPATH
environment variable.

You could try setting the CLASSPATH environment var before you import neo4j:

 import os
 libpath = 'path/to/neo4j/javalib'
 os.environ['CLASSPATH'] = ';'.join( [ os.path.abspath(p) for p in
os.listdir(libpath)])
 from neo4j import GraphDatabase

/Jake

On Thu, Sep 22, 2011 at 2:45 PM, bmeagle dewald.piete...@gmail.com wrote:

 I tried adding C:\Python27\Lib\site-packages\neo4j\javalib to sys.path but
 that didn't work, see below.
 I am running python 2.7 on win xp I installed
 neo4j-embedded-1.5.dev104.win32.exe


  import neo4j

 Traceback (most recent call last):
   File lt;pyshell#0gt;, line 1, in module
import neo4j
   File C:\Python27\lib\site-packages\neo4j\__init__.py, line 29, in
 module
from neo4j.core import GraphDatabase, Direction, NotFoundException,
 BOTH, ANY, INCOMING, OUTGOING
  File C:\Python27\lib\site-packages\neo4j\core.py, line 27, in module
GraphDatabase = extends(GraphDatabaseService)
  File C:\Python27\lib\site-packages\neo4j\_backend.py, line 43, in
 extends
return ParentClass(getattr(CLASS,'__name__','Class'),(),{})
  File C:\Python27\lib\site-packages\neo4j\_backend.py, line 34, in
 __new__
return type.__new__(Class, name, (object,), body)
 TypeError: type() argument 1 must be string, not JPackage

  import sys

  print sys.path
 ['C:\\Python27\\Lib\\idlelib',
 'C:\\Python27\\lib\\site-packages\\zodb3-3.10.3-py2.7-win32.egg',
 'C:\\Python27\\lib\\site-packages\\zope.interface-3.8.0-py2.7-win32.egg',
 'C:\\Python27\\lib\\site-packages\\zope.event-3.5.1-py2.7.egg',
 'C:\\Python27\\lib\\site-packages\\zdaemon-2.0.4-py2.7.egg',
 'C:\\Python27\\lib\\site-packages\\zconfig-2.9.0-py2.7.egg',
 'C:\\Python27\\lib\\site-packages\\zc.lockfile-1.0.0-py2.7.egg',
 'C:\\Python27\\lib\\site-packages\\transaction-1.1.1-py2.7.egg',
 'C:\\WINDOWS\\system32\\python27.zip', 'C:\\Python27\\DLLs',
 'C:\\Python27\\lib', 'C:\\Python27\\lib\\plat-win',
 'C:\\Python27\\lib\\lib-tk', 'C:\\Python27',
 'C:\\Python27\\lib\\site-packages',
 'C:\\Python27\\lib\\site-packages\\PIL',
 'C:\\Python27\\lib\\site-packages\\win32',
 'C:\\Python27\\lib\\site-packages\\win32\\lib',
 'C:\\Python27\\lib\\site-packages\\Pythonwin']

  sys.path.append('C:\Python27\Lib\site-packages\neo4j\javalib')

  print sys.path
 ['C:\\Python27\\Lib\\idlelib',
 'C:\\Python27\\lib\\site-packages\\zodb3-3.10.3-py2.7-win32.egg',
 'C:\\Python27\\lib\\site-packages\\zope.interface-3.8.0-py2.7-win32.egg',
 'C:\\Python27\\lib\\site-packages\\zope.event-3.5.1-py2.7.egg',
 'C:\\Python27\\lib\\site-packages\\zdaemon-2.0.4-py2.7.egg',
 'C:\\Python27\\lib\\site-packages\\zconfig-2.9.0-py2.7.egg',
 'C:\\Python27\\lib\\site-packages\\zc.lockfile-1.0.0-py2.7.egg',
 'C:\\Python27\\lib\\site-packages\\transaction-1.1.1-py2.7.egg',
 'C:\\WINDOWS\\system32\\python27.zip', 'C:\\Python27\\DLLs',
 'C:\\Python27\\lib', 'C:\\Python27\\lib\\plat-win',
 'C:\\Python27\\lib\\lib-tk', 'C:\\Python27',
 'C:\\Python27\\lib\\site-packages',
 'C:\\Python27\\lib\\site-packages\\PIL',
 'C:\\Python27\\lib\\site-packages\\win32',
 'C:\\Python27\\lib\\site-packages\\win32\\lib',
 'C:\\Python27\\lib\\site-packages\\Pythonwin',
 'C:\\Python27\\Lib\\site-packages\\neo4j\\javalib']

  sys.path.append('C:\\Python27\\Lib\\site-packages\\neo4j\\javalib')

  import neo4j

 Traceback (most recent call last):
   File lt;pyshell#8gt;, line 1, in module
import neo4j
   File C:\Python27\lib\site-packages\neo4j\__init__.py, line 29, in
 module
from neo4j.core import GraphDatabase, Direction, NotFoundException,
 BOTH, ANY, INCOMING, OUTGOING
  File C:\Python27\lib\site-packages\neo4j\core.py, line 27, in module
GraphDatabase = extends(GraphDatabaseService)
  File C:\Python27\lib\site-packages\neo4j\_backend.py, line 43, in
 extends
return ParentClass(getattr(CLASS,'__name__','Class'),(),{})
  File C:\Python27\lib\site-packages\neo4j\_backend.py, line 34, in
 __new__
return type.__new__(Class, name, (object,), body)
 TypeError: type() argument 1 must be string, not JPackage


 Jacob Hansson-2 wrote:
 
  Hmm, I think the error you are getting is the result of neo4j-embedded
 not
  finding java jars that it needs (I'll add it to the backlog to add an
  explicit check for that, rather than failing like this).
 
  Normally, neo4j-embedded will set its classpath itself, pointing to the
  java
  jars it comes bundled with. However, it is possible to override this, by
  setting the environment variable CLASSPATH to some value. Could you
  check
  if this is the case?
 
  If not, please let me know what platform you are running, and what
 version
  of neo4j-embedded you have installed, and I'll dig

Re: [Neo4j] neo4j python import error

2011-09-22 Thread bmeagle 
I manually added the path to the CLASSPATH windows environment variable via
system settings.

 print os.environ['CLASSPATH']
.;C:\Program
Files\Java\jre1.6.0_07\lib\ext\QTJava.zip;C:\Python27\Lib\site-packages\neo4j\javalib\

checked it:

 libpath = 'C:\\Python27\\Lib\\site-packages\\neo4j\\javalib\\'
 print os.listdir(libpath)
['geronimo-jta_1.1_spec-1.1.1.jar', 'lucene-core-3.1.0.jar',
'neo4j-1.5-SNAPSHOT.jar', 'neo4j-cypher-1.5-SNAPSHOT.jar',
'neo4j-graph-algo-1.5-SNAPSHOT.jar',
'neo4j-graph-matching-1.5-SNAPSHOT.jar', 'neo4j-jmx-1.5-SNAPSHOT.jar',
'neo4j-kernel-1.5-SNAPSHOT.jar', 'neo4j-lucene-index-1.5-SNAPSHOT.jar',
'neo4j-udc-1.5-SNAPSHOT.jar', 'scala-library-2.9.0-1.jar', '__init__.py',
'__init__.pyc', '__init__.pyo']

but still no joy

 import neo4j

Traceback (most recent call last):
  File lt;pyshell#15gt;, line 1, in module
import neo4j
  File C:\Python27\lib\site-packages\neo4j\__init__.py, line 29, in
module
from neo4j.core import GraphDatabase, Direction, NotFoundException,
BOTH, ANY, INCOMING, OUTGOING
  File C:\Python27\lib\site-packages\neo4j\core.py, line 27, in module
GraphDatabase = extends(GraphDatabaseService)
  File C:\Python27\lib\site-packages\neo4j\_backend.py, line 43, in
extends
return ParentClass(getattr(CLASS,'__name__','Class'),(),{})
  File C:\Python27\lib\site-packages\neo4j\_backend.py, line 34, in
__new__
return type.__new__(Class, name, (object,), body)
TypeError: type() argument 1 must be string, not JPackage

Couldn't this be something else?

bmeagle

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Re: [Neo4j] neo4j python import error

2011-09-22 Thread Jacob Hansson 
On Thu, Sep 22, 2011 at 3:16 PM, bmeagle dewald.piete...@gmail.com wrote:

 I manually added the path to the CLASSPATH windows environment variable via
 system settings.

  print os.environ['CLASSPATH']
 .;C:\Program

 Files\Java\jre1.6.0_07\lib\ext\QTJava.zip;C:\Python27\Lib\site-packages\neo4j\javalib\

 checked it:

  libpath = 'C:\\Python27\\Lib\\site-packages\\neo4j\\javalib\\'
  print os.listdir(libpath)
 ['geronimo-jta_1.1_spec-1.1.1.jar', 'lucene-core-3.1.0.jar',
 'neo4j-1.5-SNAPSHOT.jar', 'neo4j-cypher-1.5-SNAPSHOT.jar',
 'neo4j-graph-algo-1.5-SNAPSHOT.jar',
 'neo4j-graph-matching-1.5-SNAPSHOT.jar', 'neo4j-jmx-1.5-SNAPSHOT.jar',
 'neo4j-kernel-1.5-SNAPSHOT.jar', 'neo4j-lucene-index-1.5-SNAPSHOT.jar',
 'neo4j-udc-1.5-SNAPSHOT.jar', 'scala-library-2.9.0-1.jar', '__init__.py',
 '__init__.pyc', '__init__.pyo']

 but still no joy

  import neo4j

 Traceback (most recent call last):
   File lt;pyshell#15gt;, line 1, in module
 import neo4j
  File C:\Python27\lib\site-packages\neo4j\__init__.py, line 29, in
 module
from neo4j.core import GraphDatabase, Direction, NotFoundException,
 BOTH, ANY, INCOMING, OUTGOING
  File C:\Python27\lib\site-packages\neo4j\core.py, line 27, in module
GraphDatabase = extends(GraphDatabaseService)
  File C:\Python27\lib\site-packages\neo4j\_backend.py, line 43, in
 extends
return ParentClass(getattr(CLASS,'__name__','Class'),(),{})
  File C:\Python27\lib\site-packages\neo4j\_backend.py, line 34, in
 __new__
return type.__new__(Class, name, (object,), body)
 TypeError: type() argument 1 must be string, not JPackage

 Couldn't this be something else?


Well, yeah, but I think this is it. I was able to replicate your problem on
a local xp machine (and have a fix that seems to work, running the test
suite on it right now). It should be available for download in two hours or
so, depending on how our build servers are feeling today.

Until then, the problem with the classpath you sent above is that it just
points to the folder with the jars. The classpath needs to explicitly list
the path to each jar, separated by semicolons. The code I sent in my
previous mail should do that automatically for you, if you just give it the
correct javalib folder path.



 bmeagle

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Re: [Neo4j] neo4j python import error

2011-09-22 Thread Jacob Hansson 
Update on this:

I just pushed this to master, you will be able to follow the build via our
build control panel. When the deploy Embedded Python project has run
successfully, the updated version should be available on pypi for download.
There is currently almost 200 builds queued up, so it may take a while..

http://builder.neo4j.org/project.html?projectId=project34tab=projectOverview
(just click login as guest)

Thanks for reporting this, it turned out to be a proper bug (using :
instead of ; as classpath separators on windows). Let me know if the fix
worked!

/Jake

On Thu, Sep 22, 2011 at 3:20 PM, Jacob Hansson 
jacob.hans...@neotechnology.com wrote:



 On Thu, Sep 22, 2011 at 3:16 PM, bmeagle dewald.piete...@gmail.comwrote:

 I manually added the path to the CLASSPATH windows environment variable
 via
 system settings.

  print os.environ['CLASSPATH']
 .;C:\Program

 Files\Java\jre1.6.0_07\lib\ext\QTJava.zip;C:\Python27\Lib\site-packages\neo4j\javalib\

 checked it:

  libpath = 'C:\\Python27\\Lib\\site-packages\\neo4j\\javalib\\'
  print os.listdir(libpath)
 ['geronimo-jta_1.1_spec-1.1.1.jar', 'lucene-core-3.1.0.jar',
 'neo4j-1.5-SNAPSHOT.jar', 'neo4j-cypher-1.5-SNAPSHOT.jar',
 'neo4j-graph-algo-1.5-SNAPSHOT.jar',
 'neo4j-graph-matching-1.5-SNAPSHOT.jar', 'neo4j-jmx-1.5-SNAPSHOT.jar',
 'neo4j-kernel-1.5-SNAPSHOT.jar', 'neo4j-lucene-index-1.5-SNAPSHOT.jar',
 'neo4j-udc-1.5-SNAPSHOT.jar', 'scala-library-2.9.0-1.jar', '__init__.py',
 '__init__.pyc', '__init__.pyo']

 but still no joy

  import neo4j

 Traceback (most recent call last):
   File lt;pyshell#15gt;, line 1, in module
 import neo4j
  File C:\Python27\lib\site-packages\neo4j\__init__.py, line 29, in
 module
from neo4j.core import GraphDatabase, Direction, NotFoundException,
 BOTH, ANY, INCOMING, OUTGOING
  File C:\Python27\lib\site-packages\neo4j\core.py, line 27, in module
GraphDatabase = extends(GraphDatabaseService)
  File C:\Python27\lib\site-packages\neo4j\_backend.py, line 43, in
 extends
return ParentClass(getattr(CLASS,'__name__','Class'),(),{})
  File C:\Python27\lib\site-packages\neo4j\_backend.py, line 34, in
 __new__
return type.__new__(Class, name, (object,), body)
 TypeError: type() argument 1 must be string, not JPackage

 Couldn't this be something else?


 Well, yeah, but I think this is it. I was able to replicate your problem on
 a local xp machine (and have a fix that seems to work, running the test
 suite on it right now). It should be available for download in two hours or
 so, depending on how our build servers are feeling today.

 Until then, the problem with the classpath you sent above is that it just
 points to the folder with the jars. The classpath needs to explicitly list
 the path to each jar, separated by semicolons. The code I sent in my
 previous mail should do that automatically for you, if you just give it the
 correct javalib folder path.



 bmeagle

 --
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 http://neo4j-community-discussions.438527.n3.nabble.com/neo4j-python-import-error-tp3358482p3358708.html
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 Nabble.com.
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 --
 Jacob Hansson
 Phone: +46 (0) 763503395
 Twitter: @jakewins




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Phone: +46 (0) 763503395
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