Merged in python3 (pull request #5)

Port to python3, large code cleanup

* Fixed command line for cosmotool

* Fix path

* Dump command line is log file

* Fix important typo

* Modify paths for example

* Fix path again

* Use an explicit constructor

* Change file to open (python 2->3)

* python3 fix for xrange in periodic_kdtree.py

* Fixed index for Np, numPart, numZones, numZonesTot, partID, zoneID in catalogUtil.py

container/Dockerfile

@@ -0,0 +1,17 @@
+FROM debian:stable
+
+
+RUN apt update && apt install -y git gcc g++ python3 python3-dev python3-pip python3-numpy python3-setuptools cmake libz-dev coreutils m4
+
+WORKDIR /build
+
+###ADD vide_key_ssh .
+ENV GIT_SSH_COMMAND='ssh -i /ssh-key/vide_key_ssh -o "StrictHostKeyChecking no"'
+RUN pip3 install --no-cache-dir 'astropy<4.1'
+RUN git clone --recursive git@bitbucket.org:glavaux/vide_next.git 
+
+WORKDIR /build/vide_next
+
+RUN git checkout python3
+#RUN python3 setup.py build
+RUN pip3 install --verbose .

container/build.sh

@@ -0,0 +1,20 @@
+#+
+#   VIDE -- Void IDentification and Examination -- ./container/build.sh
+#   Copyright (C) 2010-2014 Guilhem Lavaux
+#   Copyright (C) 2011-2014 P. M. Sutter
+#
+#   This program is free software; you can redistribute it and/or modify
+#   it under the terms of the GNU General Public License as published by
+#   the Free Software Foundation; version 2 of the License.
+# 
+#
+#   This program is distributed in the hope that it will be useful,
+#   but WITHOUT ANY WARRANTY; without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#   GNU General Public License for more details.
+#
+#   You should have received a copy of the GNU General Public License along
+#   with this program; if not, write to the Free Software Foundation, Inc.,
+#   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+#+
+podman build --volume $(pwd)/key:/ssh-key:z -t vide_next .