auto bump compile-pythons

cf https://discuss.afpy.org/t/venv-direnv-prompt-bash-et-emacs-et-lsp/1845/4

compile-python.sh

@@ -1,108 +1,64 @@
 #!/bin/bash
 
-# Needs:
-#
-# sudo apt-get update; sudo apt-get install make build-essential libssl-dev zlib1g-dev libbz2-dev libreadline-dev libsqlite3-dev wget curl llvm libncursesw5-dev xz-utils tk-dev libxml2-dev libxmlsec1-dev libffi-dev liblzma-dev
-
-# Remerciements
-###############
-
-# This whole script was inspired from the great https://gitlab.com/python-devs/ci-images/, so Thanks Barry Warsaw.
-
-# The automatic poking of last version is greatly inspired by z4c, thanks!
 
 
-get-python-version()
+
+_get_last_tag()
 {
-    # Lists the /ftp/python/ directory searching for the most recent
-    # Python version directory matching a given pattern.
-
-    # Exemples:
-    #
-    # $ get-python-versions 3
-    # 3.13.0
-    # $ get-python-versions 3.10
-    # 3.10.14
-
-    # Such that /ftp/python/$(get-python-version 3.12) exists.
-
-    local URL="https://www.python.org/ftp/python/"
-    local PY_VERSION="$1"
-
-    wget -qO- "$URL" |
-        grep -o ">[0-9.]\+/<" |
-        sed "s/^>//;s|/<$||" |
-        sort --sort=version |
-        grep "^$PY_VERSION\." |
-        tail -n 1
+    [[ $1 =~ ^[23.]\.[0-9]+\.[0-9]+$ ]] && echo $1 || \
+        curl -s https://www.python.org/ftp/python/ \
+        | grep -o ">[0-9.]\+/<" \
+        | sed "s/^>//;s|/<$||" \
+        | grep ^$1 \
+        | sort --version-sort \
+        | tail -n 1
 }
 
-get-python-version-suffix()
+_get_last_instable()
 {
-    # Given a directory from /ftp/python/ like `3.12.0` gets the most
-    # recent version suffix for it.
-
-    # Examples:
-    #
-    # $ get-python-version-suffix 3.10.3
-    # # prints nothing, there's no pre-release for it.
-    #
-    # $ get-python-version-suffix 3.12.0
-    # # prints nothing, the last 3.12.0 IS 3.12.0
-    #
-    # $ get-python-version-suffix 3.13.0
-    # a5
-
-    local VERSION="$1"
-
-    versions="$(wget -qO- "https://www.python.org/ftp/python/$VERSION/" |
-        grep -o '>Python-[0-9]\.[0-9]\+\.[a-z0-9]\+.tgz<' |
-        sed "s/^>Python-//;s|.tgz<$||" |
-        sort --sort=version)"
-    if ! printf "%s" "$versions" | grep --quiet "^$VERSION$"
-    then
-        printf "%s" "$versions" | tail -n 1 | sed "s/^$VERSION//"
-    fi
+    [[ $1 =~ ^[23.]\.[0-9]+\.0$ ]] && \
+        curl -s https://www.python.org/ftp/python/$1/ \
+        | grep -o "Python-[0-9]\.[0-9]\+\.0[a-z0-9]\+" \
+        | sort \
+        | uniq \
+        | sed "s/Python-[0-9.]*//;" \
+        | sort --version-sort \
+        | tail -n 1
 }
 
 compile-python()
 {
-    # Compile the given Python version. Accepts a "version pattern" as a filter, like:
+    # Inspired from the great https://gitlab.com/python-devs/ci-images/
+    # Thanks Barry Warsaw.
 
-    # compile-python 3  # The most recent Python 3 available
-    #                   # Beware it may pick an alpha version!
+    # Needs:
+    # sudo apt-get update; sudo apt-get install make build-essential libssl-dev zlib1g-dev libbz2-dev libreadline-dev libsqlite3-dev wget curl llvm libncursesw5-dev xz-utils tk-dev libxml2-dev libxmlsec1-dev libffi-dev liblzma-dev
 
-    # compile-python 3.12  # Will compile the most recent 3.12 available
-    #                      # Can pick alpha/beta/rc versions if 3.12 is not released yet.
-
-    # compile-python 3.12.2  # Will compile the given version.
-
-    local PY_VERSION
-    local SUFFIX
+    local PY_VERSION=`_get_last_tag $1`
+    local BETA=${2:-`_get_last_instable $PY_VERSION`}
     local URL="https://www.python.org/ftp/python"
-
-    PY_VERSION="$(get-python-version "$1")"
-    SUFFIX="$(get-python-version-suffix "$PY_VERSION")"
     (
         cd /tmp || return 1
-        wget -qO- "$URL/$PY_VERSION/Python-$PY_VERSION$SUFFIX.tgz" | tar -xzf - || (
+        [ -f $HOME/.local/bin/python${PY_VERSION}${BETA} ] || return 2
+        wget -qO- "$URL/$PY_VERSION/Python-$PY_VERSION$BETA.tgz" | tar -xzf - || (
             echo "Version not found, check on $URL."
         )
-        [ -d "Python-$PY_VERSION$SUFFIX" ] && (cd "Python-$PY_VERSION$SUFFIX"; ./configure --prefix="$HOME/.local/" && make -j "$(nproc)" && make altinstall) &&
-            rm -r "Python-$PY_VERSION$SUFFIX"
+        [ -d "Python-$PY_VERSION$BETA" ] && (cd "Python-$PY_VERSION$BETA"; ./configure --prefix="$HOME/.local/" && make -j "$(nproc)" && make altinstall) &&
+            rm -r "Python-$PY_VERSION$BETA" &&
+            cp $HOME/.local/bin/python${PY_VERSION%.*} $HOME/.local/bin/python${PY_VERSION}${BETA}
     )
 }
 
 compile-pythons()
 {
     # Compiles a usefull set of Python versions.
-    compile-python 3.7 &
-    compile-python 3.8 &
-    compile-python 3.9 &
-    compile-python 3.10 &
-    compile-python 3.11 &
-    compile-python 3.12 &
-    compile-python 3.13 &
+    compile-python 3.7.17 &
+    compile-python 3.8.18 &
+    compile-python 3.9.18 &
+    compile-python 3.10.13 &
+    compile-python 3.11.5 &
+    compile-python 3.12.0 &
+    compile-python 3.13.0 a2 &
     wait
 }