From b4ba4d03690069a068f1a7b7852524655ac743af Mon Sep 17 00:00:00 2001
From: midipix <writeonce@midipix.org>
Date: Tue, 4 Dec 2018 14:36:15 -0500
Subject: project: added the pycopy.sh and pycgen.sh build-time utility
 scripts.

---
 project/pycgen.sh | 29 +++++++++++++++++++++++++++++
 project/pycopy.sh | 41 +++++++++++++++++++++++++++++++++++++++++
 2 files changed, 70 insertions(+)
 create mode 100755 project/pycgen.sh
 create mode 100755 project/pycopy.sh

diff --git a/project/pycgen.sh b/project/pycgen.sh
new file mode 100755
index 0000000..e9e0a15
--- /dev/null
+++ b/project/pycgen.sh
@@ -0,0 +1,29 @@
+#!/bin/sh
+
+# pycgen:    a build-time utiltiy script
+# objective: generate the correcponding python byte-code (.pyc)
+#            object files for one or more source python (.py)
+#            scripts.
+
+if [ -z "$PYCGEN_PYTHON" ]; then
+	pycompile='python'
+else
+	pycompile="$PYCGEN_PYTHON"
+fi
+
+refdir=$(pwd)
+
+for pysrc in $@; do
+	basename=$(basename "$pysrc");
+	dstdir=$(dirname "$pysrc")
+
+	if [ -z "$dstdir" ]; then
+		dstdir='.'
+	fi
+
+	cd "$dstdir"                           || exit 2
+	"$pycompile" -m py_compile "$basename" || exit 2
+	cd "$refdir"
+done
+
+exit 0
diff --git a/project/pycopy.sh b/project/pycopy.sh
new file mode 100755
index 0000000..2a55b7a
--- /dev/null
+++ b/project/pycopy.sh
@@ -0,0 +1,41 @@
+#!/bin/sh
+
+# pyccopy:   a build-time utiltiy script
+# objective: copy one or more source python (.py) scripts
+#            to the destination directory specified via the
+#            environment variable PYCOPY_DSTDIR, replacing
+#            the original shebang line, should the script
+#            contain one, with a program interpreter based
+#            on the PYCOPY_PREFIX and PYCOPY_PYTHON
+#            environment variables.
+
+if [ -z "$PYCOPY_PYTHON" ]; then
+	python='python'
+else
+	python="$PYCOPY_PYTHON"
+fi
+
+if [ -z "$PYCOPY_PREFIX" ]; then
+	prefix='/usr'
+else
+	prefix="$PYCOPY_PREFIX"
+fi
+
+if [ -z "$PYCOPY_DSTDIR" ]; then
+	dstdir='.'
+else
+	dstdir="$PYCOPY_DSTDIR"
+fi
+
+for pysrc in $@; do
+	basename=$(basename "$pysrc");
+
+	sed -e '1s@^#!.*@#!'" $prefix/bin/$python"'@g'   \
+		"$pysrc" > "$dstdir/$basename"          || exit 2
+
+	if [ "$(head -n1 "$dstdir/$basename")" = "#! $prefix/bin/$python" ]; then
+		chmod +x "$dstdir/$basename"            || exit 2
+	fi
+done
+
+exit 0
-- 
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