build(deps): Drop support Python 3.7 and older (#1438)

Close: #1358

.travis.yml

@@ -16,7 +16,7 @@ addons:
  ssh_known_hosts: localhost
 
 python:
- - "3.6"
+ - "3.8"
  - "3.9"
  - "3.10"
  - "3.11"
@@ -30,16 +30,8 @@ before_install:
  - sudo apt-get install -y sshfs screen util-linux
 jobs:
  exclude:
- - arch: ppc64le
- python: "3.6"
- - arch: ppc64le
- python: "3.10"
- - arch: ppc64le
- python: "3.11"
- - arch: amd64
- python: "3.9"
- - arch: amd64
- python: "3.11"
+ - python: "3.9"
+ - python: "3.10"
 
 install:
  - pip install coveralls pyfakefs

CHANGES

@@ -4,6 +4,7 @@ Version 1.3.4-dev (development of upcoming release)
 * Project: Renamed branch "master" to "main" and started "gitflow" branching model.
 * Fix bug: Add support for ChainerBackend class as keyring which iterates over all supported keyring backends (#1410)
 # Fix bug: Unit test fails on some machines due to warning "Ignoring XDG_SESSION_TYPE=wayland on Gnome..." (#1429)
+* Breaking change: Minimal Python version 3.8 required (#1358).
 * Feature: Exclude /swapfile by default (#1053)
 * Documentation: Removed outdated docbook (#1345).
 

CONTRIBUTING.md

@@ -64,7 +64,7 @@ replaced with PyPi packages.
 
 * Runtime dependencies
 
- - `python3` (>= 3.6)
+ - `python3` (>= 3.8)
  - `rsync`
  - `cron-daemon`
  - `openssh-client`

common/configure

@@ -2,7 +2,7 @@
 
 #clean up
 if [ -e Makefile ]; then
- rm Makefile;
+ rm Makefile;
 fi
 
 #tmp files
@@ -118,23 +118,23 @@ onTravis () {
 #get commandline arguments
 unknown_args=""
 for arg in $*; do
- case $arg in
- --python | --python3) PYTHON=$arg;;
- --fuse-group | --no-fuse-group) FUSE_GROUP=$arg;;
- --help | -h) usage; exit 0;;
- *) unknown_args="$unknown_args $arg";;
- esac
+ case $arg in
+ --python | --python3) PYTHON=$arg;;
+ --fuse-group | --no-fuse-group) FUSE_GROUP=$arg;;
+ --help | -h) usage; exit 0;;
+ *) unknown_args="$unknown_args $arg";;
+ esac
 done
 
 if [ -n "$unknown_args" ]; then
- echo "Unknown Arguments: $unknown_args"
+ echo "Unknown Arguments: $unknown_args"
 fi
 
 #patch python command
 #use 'python' or 'python3' to start Python Version 3.x
 case $PYTHON in
- --python) PYVERSION="" ;;
- --python3) PYVERSION="3";;
+ --python) PYVERSION="" ;;
+ --python3) PYVERSION="3";;
 esac
 sed -e "s/^python3\? /python${PYVERSION} /g" \
  -e "s/^ssh-agent python3\? /ssh-agent python${PYVERSION} /g" \
@@ -143,8 +143,8 @@ sed -e "s/^python3\? /python${PYVERSION} /g" \
 #patch check for 'fuse' group
 #Some distributions require user to be in group 'fuse' to use sshfs and encfs
 case $FUSE_GROUP in
- --fuse-group) CHECKFUSE="True" ;;
- --no-fuse-group) CHECKFUSE="False";;
+ --fuse-group) CHECKFUSE="True" ;;
+ --no-fuse-group) CHECKFUSE="False";;
 esac
 sed -e "s/CHECK_FUSE_GROUP = \(True\|False\)/CHECK_FUSE_GROUP = ${CHECKFUSE}/" \
  -i $FUSE_FILES
@@ -153,9 +153,9 @@ sed -e "s/CHECK_FUSE_GROUP = \(True\|False\)/CHECK_FUSE_GROUP = ${CHECKFUSE}/" \
 mos=""
 langs=""
 for langfile in `ls po/*.po`; do
- lang=`echo $langfile | cut -d/ -f2 | cut -d. -f1`
- mos="po/$lang.mo $mos"
- langs="$lang $langs"
+ lang=`echo $langfile | cut -d/ -f2 | cut -d. -f1`
+ mos="po/$lang.mo $mos"
+ langs="$lang $langs"
 done
 
 #start Makefile
@@ -254,17 +254,17 @@ printf "\tgzip -n --best -c config-example-ssh > config-example-ssh.gz\n\n" >> $
 printf "translate:\t$mos\n\n" >> ${MAKEFILE}
 
 for lang in $langs; do
- printf "po/$lang.mo: po/$lang.po\n" >> ${MAKEFILE}
- printf "\tmsgfmt -o po/$lang.mo po/$lang.po\n\n" >> ${MAKEFILE}
+ printf "po/$lang.mo: po/$lang.po\n" >> ${MAKEFILE}
+ printf "\tmsgfmt -o po/$lang.mo po/$lang.po\n\n" >> ${MAKEFILE}
 done
 
 #common langs
 printf "install_translations:\n" >> ${MAKEFILE}
 addComment "translations"
 for lang in $langs; do
- addInstallDir "/share/locale/$lang/LC_MESSAGES"
- addInstallFileRename "po/$lang.mo" "/share/locale/$lang/LC_MESSAGES/backintime.mo"
- addUninstallDir "/share/locale/$lang"
+ addInstallDir "/share/locale/$lang/LC_MESSAGES"
+ addInstallFileRename "po/$lang.mo" "/share/locale/$lang/LC_MESSAGES/backintime.mo"
+ addUninstallDir "/share/locale/$lang"
 done
 addUninstallDir "/share/locale"
 addUninstallDir "/share"
@@ -279,7 +279,7 @@ printf "uninstall_dirs:\n" >> ${MAKEFILE}
 cat ${UNINSTALL_DIRS} >> ${MAKEFILE}
 
 #test
-for i in "py.test-3" "py.test-3.6" "py.test-3.5" "py.test-3.4"; do
+for i in "pytest" "py.test-3" "py.test-3.6" "py.test-3.5" "py.test-3.4"; do
  PYTEST=$(which $i 2>/dev/null)
  if [ -n "${PYTEST}" ]; then
  break
@@ -303,9 +303,9 @@ for v in "" "-v"; do
  if onTravis || [ -z "${PYTEST}" ]; then
  #if running on travis-ci.org or if py.test-3 is not available
  #call every test/test_*.py with $CMD from above
-  for i in $(ls -1 test/test_*.py); do
-  printf "\t${CMD} -m unittest ${v} -b $i\n" >> ${MAKEFILE}
-  done
+  for i in $(ls -1 test/test_*.py); do
+  printf "\t${CMD} -m unittest ${v} -b $i\n" >> ${MAKEFILE}
+  done
  else
  #else just call py.test-3 which will find test/test_*.py by itself
  #py.test-3 has a nicer output so this is preferred over simple python3
@@ -338,10 +338,14 @@ for i in "${UNINSTALL_FILES}" "${UNINSTALL_DIRS}"; do
  fi
 done
 
-#check python version
-if [ $(python${PYVERSION} --version 2>&1 | grep -c "^Python 3") -ne 1 ]; then
- printf "Warning: Wrong Python version.\n"
- printf "Please make sure Python 3.x is used by adding '--python' or '--python3'.\n"
+# check python version
+PYTHON_VERSION_REQUIRED="3.8"
+PYTHON_VERSION_CURRENT=$(python${PYVERSION} --version | tr --delete 'Python ')
+
+# Credits: https://unix.stackexchange.com/a/285928/136851
+if [ "$(printf '%s\n' "$PYTHON_VERSION_REQUIRED" "$PYTHON_VERSION_CURRENT" | sort -V | head -n1)" != "$PYTHON_VERSION_REQUIRED" ]; then
+ printf "Error: Wrong Python version ${PYTHON_VERSION_CURRENT}. "
+ printf "But minimal version ${PYTHON_VERSION_REQUIRED} required.\n"
  exit 1
 fi
 

qt/configure

@@ -231,10 +231,14 @@ for i in "${UNINSTALL_FILES}" "${UNINSTALL_DIRS}"; do
  fi
 done
 
-#check python version
-if [ $(python${PYVERSION} --version 2>&1 | grep -c "^Python 3") -ne 1 ]; then
- printf "Wrong Python version.\n"
- printf "Please make sure Python 3.x is used by adding '--python' or '--python3'.\n"
+# check python version
+PYTHON_VERSION_REQUIRED="3.8"
+PYTHON_VERSION_CURRENT=$(python${PYVERSION} --version | tr --delete 'Python ')
+
+# Credits: https://unix.stackexchange.com/a/285928/136851
+if [ "$(printf '%s\n' "$PYTHON_VERSION_REQUIRED" "$PYTHON_VERSION_CURRENT" | sort -V | head -n1)" != "$PYTHON_VERSION_REQUIRED" ]; then
+ printf "Error: Wrong Python version ${PYTHON_VERSION_CURRENT}. "
+ printf "But minimal version ${PYTHON_VERSION_REQUIRED} required.\n"
  exit 1
 fi