lang/python/python-package-install.sh

   1 #!/bin/sh
   2 set -e
   3
   4 [ -z "$SOURCE_DATE_EPOCH" ] || {
   5         PYTHONHASHSEED="$SOURCE_DATE_EPOCH"
   6         export PYTHONHASHSEED
   7 }
   8
   9 process_filespec() {
  10         local src_dir="$1"
  11         local dst_dir="$2"
  12         local filespec="$3"
  13         echo "$filespec" | (
  14         IFS='|'
  15         while read fop fspec fperm; do
  16                 local fop=`echo "$fop" | tr -d ' \t\n'`
  17                 if [ "$fop" = "+" ]; then
  18                         if [ ! -e "${src_dir}${fspec}" ]; then
  19                                 echo "File not found '${src_dir}${fspec}'"
  20                                 exit 1
  21                         fi
  22                         dpath=`dirname "$fspec"`
  23                         if [ -z "$fperm" ]; then
  24                                 dperm=`stat -c "%a" ${src_dir}${dpath}`
  25                         fi
  26                         mkdir -p -m$dperm ${dst_dir}${dpath}
  27                         echo "copying: '$fspec'"
  28                         cp -fpR ${src_dir}${fspec} ${dst_dir}${dpath}/
  29                         if [ -n "$fperm" ]; then
  30                                 chmod -R $fperm ${dst_dir}${fspec}
  31                         fi
  32                 elif [ "$fop" = "-" ]; then
  33                         echo "removing: '$fspec'"
  34                         rm -fR ${dst_dir}${fspec}
  35                 elif [ "$fop" = "=" ]; then
  36                         echo "setting permissions: '$fperm' on '$fspec'"
  37                         chmod -R $fperm ${dst_dir}${fspec}
  38                 fi
  39         done
  40         )
  41 }
  42
  43 delete_empty_dirs() {
  44         local dst_dir="$1"
  45         if [ -d "$dst_dir/usr" ] ; then
  46                 find "$dst_dir/usr" -empty -type d -delete
  47         fi
  48 }
  49
  50 ver="$1"
  51 src_dir="$2"
  52 dst_dir="$3"
  53 python="$4"
  54 mode="$5"
  55 filespec="$6"
  56
  57 SED="${SED:-sed -e}"
  58
  59 find "$src_dir" -name "*.exe" -delete
  60
  61 process_filespec "$src_dir" "$dst_dir" "$filespec" || {
  62         echo "process filespec error-ed"
  63         exit 1
  64 }
  65
  66 usr_bin_dir="$dst_dir/usr/bin"
  67
  68 if [ -d "$usr_bin_dir" ] ; then
  69         $SED "1"'!'"b;s,^#"'!'".*python.*,#"'!'"/usr/bin/python${ver}," -i --follow-symlinks $usr_bin_dir/*
  70 fi
  71
  72 if [ "$mode" == "sources" ] ; then
  73         # Copy only python source files
  74         find "$dst_dir" -not -type d -not -name "*.py" -delete
  75
  76         delete_empty_dirs "$dst_dir"
  77         exit 0
  78 fi
  79
  80 legacy=
  81 [ "$ver" == "3" ] && legacy="-b"
  82 # default max recursion is 10
  83 max_recursion_level=20
  84
  85 # XXX [So that you won't goof as I did]
  86 # Note: Yes, I tried to use the -O & -OO flags here.
  87 #       However the generated byte-codes were not portable.
  88 #       So, we just stuck to un-optimized byte-codes,
  89 #       which is still way better/faster than running
  90 #       Python sources all the time.
  91 $python -m compileall -r "$max_recursion_level" $legacy -d '/' "$dst_dir" || {
  92         echo "python -m compileall err-ed"
  93         exit 1
  94 }
  95
  96 # Delete source files and pyc [ un-optimized bytecode files ]
  97 # We may want to make this optimization thing configurable later, but not sure atm
  98 find "$dst_dir" -type f -name "*.py" -delete
  99
 100 delete_empty_dirs "$dst_dir"
 101
 102 exit 0