This is an attempt tu use the very nice python-gantt library in combination with emacs org-mode.
You'll need python-gantt and arrow for the python executable
sudo -H pip3 install python-gantt arrow
On the emacs side you'd like to install org-mode
in your emacs org file you need a block like (use yasnippets for the tasks)
* My fancy project
SCHEDULED: <2018-01-01 lun.>
:PROPERTIES:
:COLUMNS: %Id %ITEM(Description) %Parent %EFFORT(Duration) %Before %After %SCHEDULED(Start) %DEADLINE(End) %Type
:Id: P
:END:
** Make a great gantt interface
:PROPERTIES:
:Id: L1
:END:
*** Write the python code
:PROPERTIES:
:Id: 1.1
:Parent: L1
:EFFORT: 2w
:END:
*** Write the lisp code
:PROPERTIES:
:EFFORT: 2w
:Id: 1.2
:Parent: L1
:After: 1.1
:END:
*** Tests
:PROPERTIES:
:After: 1.2
:EFFORT: 1w
:Parent: L1
:Id: 1.3
:END:
** Write a readme
:PROPERTIES:
:Id: L2
:After: L1
:END:
*** Write the intro
:PROPERTIES:
:Id: 2.1
:Parent: L2
:EFFORT: 4w
:END:
*** Write the details
:PROPERTIES:
:Id: 2.2
:Parent: L2
:EFFORT: 1w
:Before:
:After: 2.1
:END:
*** Keypoint to decide what next
:PROPERTIES:
:Id: 2.3
:Parent: L2
:EFFORT:
:Before:
:After: 2.2
:Type: KP
:END:
** Take a break
:PROPERTIES:
:Id: L3
:Parent:
:EFFORT:
:Before:
:After: L2
:Type:
:END:
*** Sleep
:PROPERTIES:
:Id: 3.1
:Parent: L3
:EFFORT: 2d
:Before:
:After:
:Type:
:END:
*** Read books
:PROPERTIES:
:Id: 3.2
:Parent: L3
:EFFORT: 2w
:Before:
:After: 3.1
:Type:
:END:
*** Go on a trip
:PROPERTIES:
:Id: 3.3.1
:Parent: L3
:EFFORT: 1m
:Before:
:After: 3.2
:Type:
:END:
*** Or do something else
:PROPERTIES:
:Id: 3.3.2
:Parent: L3
:EFFORT: 1m
:Before:
:After: 3.2
:Type:
:END:
*** Decide what to do next
:PROPERTIES:
:Id: 3.4
:Parent: L3
:EFFORT:
:Before:
:After: 3.3.1,3.3.2
:Type: KP
:END:
#+BEGIN: columnview :hlines 2 :id "P"
#+name: planning
| Id | Description | Parent | Duration | Before | After | Start | End | Type |
|-------+------------------------------+--------+----------+--------+-------------+-------------------+-----+------|
| P | My fancy project | | | | | <2018-01-01 lun.> | | |
|-------+------------------------------+--------+----------+--------+-------------+-------------------+-----+------|
| L1 | Make a great gantt interface | | | | | | | |
| 1.1 | Write the python code | L1 | 2w | | | | | |
| 1.2 | Write the lisp code | L1 | 2w | | 1.1 | | | |
| 1.3 | Tests | L1 | 1w | | 1.2 | | | |
|-------+------------------------------+--------+----------+--------+-------------+-------------------+-----+------|
| L2 | Write a readme | | | | L1 | | | |
| 2.1 | Write the intro | L2 | 4w | | | | | |
| 2.2 | Write the details | L2 | 1w | | 2.1 | | | |
| 2.3 | Keypoint to decide what next | L2 | | | 2.2 | | | KP |
|-------+------------------------------+--------+----------+--------+-------------+-------------------+-----+------|
| L3 | Take a break | | | | L2 | | | |
| 3.1 | Sleep | L3 | 2d | | | | | |
| 3.2 | Read books | L3 | 2w | | 3.1 | | | |
| 3.3.1 | Go on a trip | L3 | 1m | | 3.2 | | | |
| 3.3.2 | Or do something else | L3 | 1m | | 3.2 | | | |
| 3.4 | Decide what to do next | L3 | | | 3.3.1,3.3.2 | | | KP |
#+END:
#+begin_src sh :var tasks=planning tmpFile="/tmp/myGantt.txt" svgFile="./Images/Test.svg" format="w" :results value code
echo "$tasks" > /tmp/myGantt.txt
~/Projects/myGantt/myGantt.py "$tmpFile" "$svgFile" "$format"
#+end_src
Then if you execute the column view and the the dynamic block (C-c C-c while somewhere between #+begin_src and #+end_src) then you'll get :
#+RESULTS:
#+BEGIN_SRC sh
Project My fancy project
╔ My fancy project 86 days ═══╬════╩════╩════╩════╩════╩════╬════╩════╩════╩════╩════╩
╠═Make a great gantt interface
╚═Write the python code
╚═Write the lisp code
╚═Tests
╠═Write a readme ---------
╚═Write the intro --
╚═Write the details
╚█Keypoint to decide what next
╠═Take a break --------------------
╚═Sleep
╚═Read books
╚═Go on a trip -------
╚═Or do something else
╚█Decide what to do next
#+END_SRCand a nice svg file :
