unp | command line tool that can unpack archives | Compression library
kandi X-RAY | unp Summary
kandi X-RAY | unp Summary
unp is a command line tool that can unpack archives easily. It mainly acts as a wrapper around other shell tools that you can find on various POSIX systems. It figures out how to invoke an unpacker to achieve the desired result. In addition to that it will safely unpack files when an archive contains more than one top level item. In those cases it will wrap the resulting file in a folder so that your working directory does not get messed up.
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Top functions reviewed by kandi - BETA
- Unpack files
- Print the command to stdout
- Return True if filename matches filename pattern
- Returns True if filename matches pattern
- Unpack the package
- Find the location of the given name
- Increment a string
- Return the mimetype of the given file
- Removes the directory
- Determine the unpacker class for the given filename
- Get args and cwd and cwd
- Finish the unpacked destination
- Unpack the contents of dst
- Given a stream of lines yield each line
- Unpack a mountpoint
- Check to see if the unpack is available
- List unpackers
- Return the basename of the filename
- Wrapper for real unpacking
unp Key Features
unp Examples and Code Snippets
Community Discussions
Trending Discussions on unp
QUESTION
I would like to create a sequence of numbers within a group but starting from a specific string.
In this example, If the string matches UNP then sequence (seq
column) should start from the next row.
Only 1st instance of UNP should be considered not every instance on UNP for each group
...ANSWER
Answered 2022-Mar-31 at 09:34You can first create a column specifying the first occurrence of "UNP", then use cumsum()
and lag()
to calculate the Seq
column.
QUESTION
I have the dataframe below:
...ANSWER
Answered 2021-Sep-13 at 19:51We just need to pivot to long
QUESTION
we are trying to fit a Gauss function to some data, but we always get a warning, that the error could not be estimated, and the fit is very bad. The parameters are all estimated to 1 and the error to infinity.
...ANSWER
Answered 2021-Jun-26 at 21:15curve_fit
is sensitive to initial conditions. The default in your case would be p0 = [1.0, 1.0, 1.0]
which is what is giving you the problem. Try the following,
QUESTION
Basically doing a project for school work and it needs to have a login system and it can be as basic as i like so i am just storing the usernames/passwords in a text file. i have written code to read the file line by line and store each line in a variable, this all works but when i am testing to see if i can compare it to string even though they are the same it does not seem to think so, i have ran other tests to make sure my if/else statements are correct and have ran into no other issues, my current theory is that it has something to do with the fact that the usernames and passwords are stored with "\n" after to make them appear on different lines of the text file.
...ANSWER
Answered 2021-Feb-24 at 18:00You are doing string equality check in wrong way.
the ==
operator checks whether the references to the objects are equal.
Updated code
QUESTION
RFC tutorial on RTP / RTCP protocol seems very confusing to me. I cannot find any state transition diagram for this protocol like this. It doesn't clear the difference between NTP and RTP Timestamp. It says it is useful for calculating round trip time. Can't it be calculated with the RTP timestamp alone?
The source will send a SR Report if and only if it recently sent a RTP packet otherwise it's a RR packet. How much the time interval is it actually to determine that if the sender has sent a packet recently?
what does the mixer do exactly? Does it take all the RTP packets coming from multiple sources and then at the application layer read it and repack them to multiple RTP packets with only SSRC being changed now? what if the packets type are different.
...ANSWER
Answered 2021-Feb-24 at 13:41RFC tutorial on RTP / RTCP protocol seems very confusing to me. I cannot find any state transition diagram for this protocol like this.
That protocol is media-oriented like RTSP ; the signaling protocol is responsible of state transition handling look at the couple SIP/RTP.
It doesn't clear the difference between NTP and RTP Timestamp. It says it is useful for calculating round trip time.
RTP Timestamp is used for intra-flow synchronization and NTP reference for inter-flows synchronization.
Can't it be calculated with the RTP timestamp alone?
Yes, NTP is used when several flows need to be synchronized but if there is only one flow then RTP timestamp is enough. In summary, an rtp audio cmmunication does not need NTP but a rtp audio+video communication needs NTP in order to do lips-synch.
The source will send a SR Report if and only if it recently sent a RTP packet otherwise it's a RR packet. How much the time interval is it actually to determine that if the sender has sent a packet recently?
This is related to the 5% overhead: The control traffic bandwidth is in addition to the session bandwidth for the data traffic. It is RECOMMENDED that the fraction of the session bandwidth added for RTCP be fixed at 5%.
what does the mixer do exactly? Does it take all the RTP packets coming from multiple sources and then at the application layer read it and repack them to multiple RTP packets with only SSRC being changed now? what if the packets type are different
A mixer is quite complex but in essence you get it right, multiple flows are decoded and re-encoded to one flow ; so the mixer must be able to manage codec stuff inside payload if packets type are different.
QUESTION
This is rather theoretical question. If sockets I/O (either read
or write
) is set to O_NONBLOCK
, but then this socket is set in fd_set
to select()
which blocks (waiting for an event the file descriptor become either readable or writable), then that socket is blocking anyway (due to the select()
)?
Why would I set the socket to be non-blocking, when even the blocking (default) version once become readable (or writable) (thanks to select()
), won't block, because the select()
said it has data to read (or write) and thus the socket is able to perform its operation with that data without blocking. So why to bother setting socket non-blocking when select() blocks anyway?
An example of having non-block
sockets, but in conjuction with blocking select()
:
ANSWER
Answered 2021-Feb-01 at 00:29This is rather theoretical question. If sockets I/O (either read or write) is set to O_NONBLOCK, but then this socket is set in fd_set to select() which blocks (waiting for an event the file descriptor become either readable or writable), then that socket is blocking anyway (due to the select())?
The select
is blocking. The socket is still non-blocking.
Why would I set the socket to be non-blocking, when even the blocking (default) version once become readable (or writable) (thanks to select()), won't block, because the select() said it has data to read (or write) and thus the socket is able to perform its operation with that data without blocking.
No, no, no! That is not a safe assumption. There is no guarantee that a subsequent read
or write
will not block. You must set the socket non-blocking if you need a future guarantee that a later operation will not block.
So why to bother setting socket non-blocking when select() blocks anyway?
Because you don't want operations on the socket to block. The select
function does not guarantee that a future operation won't block and people have gotten burnt by making that assumption in the past.
For example, you do select
on a UDP socket and it says that a receive won't block. But before you call recv
, the administrator enables UDP checksums which were previously disabled. Guess what, now your recv
will block if the checksum was incorrect on the only received datagram.
Unless you think you could have foreseen every way something like that could happen, and you definitely can't, you must set the socket non-blocking if you do not wish it to block.
QUESTION
I have an excel .csv file which looks like this
...ANSWER
Answered 2021-Jan-02 at 10:35I would suggest this:
QUESTION
I am beginner for IP/TCP, but reading Addison Wesley : UNIX Network Programming Volume 1, I have the following code:
...ANSWER
Answered 2020-Nov-29 at 18:35Give yourself something to connect with locally first. Try nc -v -l 13
to run netcat listening on port 13, for example, before running your program in a separate terminal. Sorry, I don't have enough rep to only comment.
QUESTION
I am trying to create a new variable based on conditions and to take the value of other variables when the condition is met. Basically, my data.frame looks like this:
...ANSWER
Answered 2020-Sep-22 at 09:47We can write a small function which returns the year
where treat
values is 1 for the first time.
QUESTION
This is my code:
...ANSWER
Answered 2020-Aug-01 at 22:29You need some except
or finally
when using try
:
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
Vulnerabilities
No vulnerabilities reported
Install unp
You can use unp like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.
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