[jira] [Commented] (CASSANDRA-15572) `object of type 'NoneType' has no len()` error in cqlsh with python 3
[
https://issues.apache.org/jira/browse/CASSANDRA-15572?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17077657#comment-17077657
]
Dinesh Joshi commented on CASSANDRA-15572:
--
+1
> `object of type 'NoneType' has no len()` error in cqlsh with python 3
> -
>
> Key: CASSANDRA-15572
> URL: https://issues.apache.org/jira/browse/CASSANDRA-15572
> Project: Cassandra
> Issue Type: Bug
> Components: Tool/cqlsh
>Reporter: Yuki Morishita
>Assignee: Yuki Morishita
>Priority: Normal
>
> Looks like in Python 3, webbrowser._tryorder can be NoneType and throw error
> like below:
> {code}
> Traceback (most recent call last):
> File ".\bin\cqlsh.py", line 99, in
> if len(webbrowser._tryorder) == 0:
> TypeError: object of type 'NoneType' has no len()
> {code}
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[jira] [Commented] (CASSANDRA-15572) `object of type 'NoneType' has no len()` error in cqlsh with python 3
[
https://issues.apache.org/jira/browse/CASSANDRA-15572?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17076048#comment-17076048
]
Yuki Morishita commented on CASSANDRA-15572:
I think we can just commit the patch and see if we can progress further to
explore python 3.7+.
If we need to patch cqlsh.bat, I will create the separate ticket.
> `object of type 'NoneType' has no len()` error in cqlsh with python 3
> -
>
> Key: CASSANDRA-15572
> URL: https://issues.apache.org/jira/browse/CASSANDRA-15572
> Project: Cassandra
> Issue Type: Sub-task
> Components: Tool/cqlsh
>Reporter: Yuki Morishita
>Assignee: Yuki Morishita
>Priority: Normal
>
> Looks like in Python 3, webbrowser._tryorder can be NoneType and throw error
> like below:
> {code}
> Traceback (most recent call last):
> File ".\bin\cqlsh.py", line 99, in
> if len(webbrowser._tryorder) == 0:
> TypeError: object of type 'NoneType' has no len()
> {code}
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[jira] [Commented] (CASSANDRA-15572) `object of type 'NoneType' has no len()` error in cqlsh with python 3
[
https://issues.apache.org/jira/browse/CASSANDRA-15572?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17039581#comment-17039581
]
Dinesh Joshi commented on CASSANDRA-15572:
--
Yuki, there is a version check in the shell script. However, looks like that
check doesn't exist on Windows. So folks with access to a bash shell will not
see this issue. However you'll see it on Windows. Do you want to add the
version check to {{cqlsh.bat}} as part of your patch? I am not uptodate with
DOS batch file programming ;).
> `object of type 'NoneType' has no len()` error in cqlsh with python 3
> -
>
> Key: CASSANDRA-15572
> URL: https://issues.apache.org/jira/browse/CASSANDRA-15572
> Project: Cassandra
> Issue Type: Bug
> Components: Tool/cqlsh
>Reporter: Yuki Morishita
>Assignee: Yuki Morishita
>Priority: Normal
>
> Looks like in Python 3, webbrowser._tryorder can be NoneType and throw error
> like below:
> {code}
> Traceback (most recent call last):
> File ".\bin\cqlsh.py", line 99, in
> if len(webbrowser._tryorder) == 0:
> TypeError: object of type 'NoneType' has no len()
> {code}
--
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[jira] [Commented] (CASSANDRA-15572) `object of type 'NoneType' has no len()` error in cqlsh with python 3
[
https://issues.apache.org/jira/browse/CASSANDRA-15572?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17038015#comment-17038015
]
Dinesh Joshi commented on CASSANDRA-15572:
--
Hi [~yukim] thanks for reporting this issue and the patch. I am guessing you're
using Python 3.7. The webbrowser module on [Python
3.7|https://github.com/python/cpython/blob/3.7/Lib/webbrowser.py#L19] has
changed its behavior since [Python
3.6|https://github.com/python/cpython/blob/3.6/Lib/webbrowser.py#L17]. I've not
tried testing cqlsh on Python 3.7. The max version we've tested cqlsh is Python
3.6. There are some subtle 3.6 vs 3.7 issues that we might run into. If we do
expect to support Python 3.7, we should also update running cqlsh tests on
Python 3.7. Currently our test environments are on Python 3.6.
> `object of type 'NoneType' has no len()` error in cqlsh with python 3
> -
>
> Key: CASSANDRA-15572
> URL: https://issues.apache.org/jira/browse/CASSANDRA-15572
> Project: Cassandra
> Issue Type: Bug
> Components: Tool/cqlsh
>Reporter: Yuki Morishita
>Assignee: Yuki Morishita
>Priority: Normal
>
> Looks like in Python 3, webbrowser._tryorder can be NoneType and throw error
> like below:
> {code}
> Traceback (most recent call last):
> File ".\bin\cqlsh.py", line 99, in
> if len(webbrowser._tryorder) == 0:
> TypeError: object of type 'NoneType' has no len()
> {code}
--
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[jira] [Commented] (CASSANDRA-15572) `object of type 'NoneType' has no len()` error in cqlsh with python 3
[
https://issues.apache.org/jira/browse/CASSANDRA-15572?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17038000#comment-17038000
]
Yuki Morishita commented on CASSANDRA-15572:
Pull request here: https://github.com/apache/cassandra/pull/448
> `object of type 'NoneType' has no len()` error in cqlsh with python 3
> -
>
> Key: CASSANDRA-15572
> URL: https://issues.apache.org/jira/browse/CASSANDRA-15572
> Project: Cassandra
> Issue Type: Bug
> Components: Tool/cqlsh
>Reporter: Yuki Morishita
>Assignee: Yuki Morishita
>Priority: Normal
>
> Looks like in Python 3, webbrowser._tryorder can be NoneType and throw error
> like below:
> {code}
> Traceback (most recent call last):
> File ".\bin\cqlsh.py", line 99, in
> if len(webbrowser._tryorder) == 0:
> TypeError: object of type 'NoneType' has no len()
> {code}
--
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