Add Python stack

* Mostly Python 3
* Many packages are (nearly) up-to-date in Fedora 25 in comparisson with
* ipynb role for IPython notebooks
* pyhon_stack for the common scipy-stack

pip, so I use these packages.

group_vars/python.yml

+---
+python3pkg:
+  - python3
+  - python3-setuptools
+  - python3-pip
+  - python3-matplotlib-qt5
+  - python3-ipython
+  - python3-numpy
+  - python3-scipy
+  - python3-pandas
+  - python3-pylint
+  - python3-sphinx
+
+python3pip:
+  - brewer2mpl
+  - PyScaffold
+  - flake8
+
+python2pkg:
+  - python2
+  - python2-setuptools
+  - python-pip
+
+python2pip:
+  - mpld3
+  - brewer2mpl

hosts

@@ -29,6 +29,12 @@ las93.las.kit.edu
 las113.las.kit.edu
 las-gethmann.las.kit.edu
 
+[python]
+las-gethmann.las.kit.edu
+
+[ipynb]
+las-gethmann.las.kit.edu
+
 [clients]
 # las111.las.kit.edu
 # 127.0.0.1 

ipynb.yml

+- hosts: ipynb
+  roles:
+    - ipynb

python.yml

+- hosts: python
+  roles:
+    - python_stack

roles/ipynb/meta/main.yml

+---
+dependencies:
+  - { role: python_stack }

roles/ipynb/tasks/main.yml

+---
+- include: notebooks.yml
+  tags: notebooks

roles/ipynb/tasks/notebooks.yml

+---
+- name: install Jupyter notebook for Python 3
+  dnf: state=latest name={{ item }}
+  become: yes
+  with_items:
+  - python3-jupyter-core
+  - python3-ipykernel
+  - python3-nbformat
+  - python3-ipdb
+  - python3-ipython
+  tags: notebook
+  when: ansible_distribution == 'Fedora'
+

roles/python_stack/meta/main.yml

+---
+dependencies:
+  - { role: common }

roles/python_stack/tasks/fitting.yml

+---
+- name: install fitting for Python 3
+  dnf: state=latest name={{ item }}
+  become: yes
+  with_items:
+  - python3-scipy
+  - python3-scikit-learn
+  tags: fit
+  when: ansible_distribution == 'Fedora'
+
+- name: install fitting via pip3
+  pip: executable=pip3 state=latest name={{ item }}
+  become: yes
+  with_items:
+  - iminuit
+  # - kafe
+  - lmfit
+  tags: fit

roles/python_stack/tasks/main.yml

+---
+- include: python.yml
+- include: fitting.yml
+  tags: [python3, fitting]

roles/python_stack/tasks/python.yml

+---
+- name: Software for dependency installation
+  dnf: name={{item}} state=installed
+  become: yes
+  with_items:
+          - gcc
+          - gcc-c++
+          - glibc-devel.x86_64
+          # - atlas-devel
+          - python-devel
+          - lapack-devel
+          - numpy-f2py
+          # iminuit
+          - redhat-rpm-config
+  when: ansible_distribution == 'Fedora'
+
+- name: "Install Python stack for scientific purposes (Distribution)"
+  package: name={{ item }} state=latest
+  become: yes
+  with_items: 
+  - "{{ python2pkg }}"
+  - "{{ python3pkg }}"
+
+- name: Update setuptools
+  become: yes
+  command: easy_install -U setuptools
+  register: command_result
+  changed_when: not command_result.stdout.find("Adding setuptools") # not working
+
+- name: upgrade pip2 #install --upgrade pip
+  pip: state=latest name=pip
+  become: yes
+
+- name: install pip packages Python 2
+  pip: name={{ item }} state=latest
+  become: yes
+  with_items: "{{python2pip}}"
+
+- name: upgrade pip3
+  pip: executable=pip3 state=latest name=pip
+  become: yes
+
+- name: install pip packages Python 2
+  pip: executable=pip3 name={{ item }} state=latest
+  become: yes
+  with_items: "{{python3pip}}"

sites.yml

@@ -16,3 +16,7 @@
   tags: latex
 - include: kdev.yml
   tags: kdev
+- include: python.yml
+  tags: python
+- include: ipynb.yml
+  tags: [python, notebook]