[ https://issues.apache.org/jira/browse/CASSANDRA-14494?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Patrick Bannister updated CASSANDRA-14494: ------------------------------------------ Resolution: Won't Do Status: Resolved (was: Open) This is unnecessary at this time. > Investigate possibility of a cqlsh terminfo > ------------------------------------------- > > Key: CASSANDRA-14494 > URL: https://issues.apache.org/jira/browse/CASSANDRA-14494 > Project: Cassandra > Issue Type: Sub-task > Components: Legacy/Tools > Environment: This behavior has been observed in xterm on CentOS 7.5 > platforms. The test_cqlsh_output.py unit tests > (pylib/cqlshlib/test/test_cqlsh_output.py) are a good place to see it in > action. > Reporter: Patrick Bannister > Assignee: Patrick Bannister > Priority: Normal > Labels: Python, cqlsh, test > Fix For: 4.x > > > Summary: investigate whether we could use a cqlsh-specific terminfo file to > prevent use of the set-meta-mode escape sequence in xterm without breaking > colors. If it works, see if we can install it in an appropriate place using > Python distutils. If yes to both, generate a cqlsh terminfo file and work it > into the install process. > Long detailed explanation: > In some more recent environments, in Python REPL applications that use the > readline module, the set meta mode escape sequence is output before each > prompt. This escape sequence has caused problems for some applications, and > in our case, some of our cqlsh unit tests > (pylib/cqlshlib/test/test_cqlsh_output.py) choke on this output because of > the way our tests are designed to detect the cqlsh prompt. This behavior was > observed on a CentOS 7.5 platform. > The set-meta-mode escape sequence normally appears as "[?1034h" in output; > it's normally defined as the bytes 1b 5b 3f 31 30 33 34 68. The exact value > of the escape sequence is configurable and may be found on a GNU/Linux > platform by running the command: > {code:java} > tput smm | hexdump{code} > If this command gives no output, then the set meta mode sequence is not > defined on this platform for the terminal in use. Refer to the xterm and > terminfo man pages for more information on this sequence. > There are easier ways to solve this problem for the sake of the unit test, > but if time allows, I'd like to look into this to achieve a more consistent > output behavior for cqlsh on GNU/Linux platforms. -- This message was sent by Atlassian JIRA (v7.6.3#76005) --------------------------------------------------------------------- To unsubscribe, e-mail: commits-unsubscr...@cassandra.apache.org For additional commands, e-mail: commits-h...@cassandra.apache.org