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author Jeff Hammel <k0scist@gmail.com>
date Mon, 06 Feb 2017 03:40:08 +0000
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1 # pypedream
2
3 python + other packaging works
4
5 ______
6 |______|
7 | |
8 |____|
9
10
11
12 ## What's inside
13
14 This is a toolbox for dealing with packages as it stands. Install
15 this your usual way, e.g.: `python setup.py develop`
16
17 ## Console scripts
18
19 Invoke with `--help` for usage info.
20
21 - `py2rpm`: script for fetching an python package from http://pypi.python.org/
22 and its dependencies using `pip` and converting to RPMs using
23 `python setup.py bdist_rpm`. Requires the `pip` and `rpmbuild` on
24 your system.
25
26 - `py2centos`: the problem with using `bdist_rpm` is that it converts
27 the python package to an RPM as appropriate for your current
28 environment. What is desired is a package for, at current, the
29 Centos 6 operating system. In order to surmount these difficulties,
30 Docker is used by `py2centos` to provision a Centos 6 container,
31 copy the `py2rpm.py` python script into the container, and set up an
32 execution endpoint that will generate the Centos RPMs in an output
33 directory.
34
35
36 ## fpm
37
38 `fpm` is a ruby package manipulation tool. You can use `py2rpm` with
39 the `--fpm` option, if you have the `fpm` command line program on your
40 path, to do the conversion with this tool. The advantage is that the
41 package dependencies are noted correctly. By default, an additional
42 namespace of `python-` is prepended to the package name. This is
43 probably desirable.
44
45
46 ## RPM
47
48 Querying rpm dependencies:
49
50 # rpm -qpR *.rpm
51
52 Listing files in an rpm:
53
54 # rpm -qlp *.rpm
55
56
57 ## Links
58
59 - https://github.com/jordansissel/fpm
60 - https://github.com/jordansissel/fpm/wiki/ConvertingPython
61 - http://www.alexhudson.com/2013/05/24/packaging-a-virtualenv-really-not-relocatable/