python-libuuid | Faster UUID generation using libuuid | Identity Management library
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kandi X-RAY | python-libuuid Summary
Faster UUID generation using libuuid
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QUESTION
For the past 4 days I have been working to get taskwarrior and taskwarrior server running on windows 10. It has proven quite a challenge for me.
I followed the steps written below: "Building the Stable Version" on https://taskwarrior.org/docs/build.html and created a folder:
...ANSWER
Answered 2018-Jul-04 at 08:57I am likely to have misunderstood the context. GnuTLS Appears to be a program that works/is made for a linux/debian operating system.
Nevertheless, the following two solutions were effective in:
- Finding and using the UUID library in Windows.
- Solving the XY-problem and using GnuTLS on a "windows pc" (with Linux on it).:
For the missing UUID missing library error:
- Open explorer>go to C: (or other system disc)>search for:
uuid.lib
>Memorize the path to the/anyuuid.lib
file. (For meC:/Program Files (x86)/Microsoft SDKs/Windows/v7.1A/Lib worked
) - Open Cmake and in UUID_LIBRARY_DIR enter:
C:/Program Files (x86)/Microsoft SDKs/Windows/v7.1A/Lib
- Then in UUID_LIBRARY enter:
C:/Program Files (x86)/Microsoft SDKs/Windows/v7.1A/Lib/Uuid.Lib
Where you substituteC:/Program Files (x86)/Microsoft SDKs/Windows/v7.1A/Lib
with the path you found yourself for your own UUID.lib at step 1.
That made CMake overcome the UUID error in windows.
Now for the GnuTLS I could not find a solution in windows itself. But when I read the taskserver installation guide on: https://gitpitch.com/GothenburgBitFactory/taskserver-setup#/4/4 I learned that Taskwarrior is not intended to run on Windows itself/natively, but in a linux environment (To be specific, the linux distribution Ubuntu is recommended to be installed on windows as is specified here: https://taskwarrior.org/download/) it takes 1 click to completely download and install the linux distribution (which currently looks like an emulator to me).
In the windows store one can download Ubuntu and other Linux distributions as Debian GNU/Linux: https://docs.microsoft.com/en-us/windows/wsl/install-win10. Since I had quite a bit of difficulties installing GnuTLS I tried the debian GNU/Linux distribution, hoping it would be pre-installed in the distribution. The following commands successfully installed taskwarrior and GnuTLS and Taskserver on the debian GNU/Linux:
sudo apt-get update
sudo apt-get install taskwarrior
cd /home/a/
- then create new directory 'taskwarrior'
mkdir taskwarrior
cd /home/a/taskwarrior
Task Server installation in Debian:
sudo apt install g++
sudo apt install libgnutls28-dev
sudo apt install uuid-dev
sudo apt install cmake
**sudo apt install gnutls-utils**
gnutls failed so:
**sudo apt-get update**
**sudo apt install gnutls-utils**
sudo apt-get update
sudo apt-get install git-core
Source: https://gitpitch.com/GothenburgBitFactory/taskserver-setup#/6/1 suggests you enter:
git clone --recurse-submodules=yes https://github.com/GothenburgBitFactory/taskserver.git taskserver.git
that gave the following error: option
recurse-submodulestakes no value
, so rewrite it to:
git clone https://github.com/GothenburgBitFactory/taskserver.git taskserver.git
cd taskserver.git/
git checkout master
cmake -DCMAKE_BUILD_TYPE=release .
make
Now you can test the build as described in: https://gitpitch.com/GothenburgBitFactory/taskserver-setup#/6/8 Note: the SOURCEDIR now is home/a/taskwarrior/taskserver.git (/test I currently do not know whether /test is a subfolder of the source or the actual source directory)
sudo make install
Note: You can Verify GnuTLS installation with:
task diagnostics | grep libgnutls
sudo apt install taskd
Remaining unanswered The above only answers half of my question (and solves the XY-problem). The installation of GnuTLS on windows itself is still not solved. I currently am unsure about the download
GNU for windows
Latest w64 version on gitlab gnutls_3_6_0_1:mingw64
on https://gnutls.org/download.html.
- It contains a lib and a bin folder, which seems to indicate that even the files listed under "windows" are intended for a Linux Operating System(OS) (since I think those type of folders are not used conventionally used in windows/I do not know what to do with them/how to install them).
- That would imply that GnuTLS assumes that the only application of GnuTLS, even on a Windows operating system happens in a Linux system. It could also just be my lack of knowledge/work/understanding in how to use/install those files in windows.
So if anyone can still answer how GnuTLS on windows is intended to be applied, I would greatly appreciate the insight!
QUESTION
I have Cassandra model as
...ANSWER
Answered 2017-May-19 at 17:23Are you certain you're hitting the libuuid
issue you linked? Your code snippet shows the standard library uuid
, which probably doesn't have that issue. Is it possible there's a different file descriptor leak in your program?
If it is libuuid
, the easiest course would be to use the standard library implementation. If speed is a major concern for you, you might look into building a different version of libuuid
to use with python-libuuid
. I tried this one quickly and didn't notice any file descriptors leaking: http://www.ossp.org/pkg/lib/uuid/
I also want to know, what is the advantage of using TimeUUID instead of timestamp ?
You won't be able to change the type of the column on your existing table, but to answer your question: TimeUUID is usually used to avoid collisions where multiple events could be written in the same timestamp value.
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Install python-libuuid
You can use python-libuuid 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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