add hg and python

1 files changed, 61 insertions, 0 deletions

diff --git a/sys/src/cmd/python/Tools/freeze/makeconfig.py b/sys/src/cmd/python/Tools/freeze/makeconfig.py
new file mode 100644
index 000000000..7cd9b7847
--- /dev/null
+++ b/sys/src/cmd/python/Tools/freeze/makeconfig.py
@@ -0,0 +1,61 @@
+import re
+
+
+# Write the config.c file
+
+never = ['marshal', '__main__', '__builtin__', 'sys', 'exceptions']
+
+def makeconfig(infp, outfp, modules, with_ifdef=0):
+    m1 = re.compile('-- ADDMODULE MARKER 1 --')
+    m2 = re.compile('-- ADDMODULE MARKER 2 --')
+    while 1:
+        line = infp.readline()
+        if not line: break
+        outfp.write(line)
+        if m1 and m1.search(line):
+            m1 = None
+            for mod in modules:
+                if mod in never:
+                    continue
+                if with_ifdef:
+                    outfp.write("#ifndef init%s\n"%mod)
+                outfp.write('extern void init%s(void);\n' % mod)
+                if with_ifdef:
+                    outfp.write("#endif\n")
+        elif m2 and m2.search(line):
+            m2 = None
+            for mod in modules:
+                if mod in never:
+                    continue
+                outfp.write('\t{"%s", init%s},\n' %
+                            (mod, mod))
+    if m1:
+        sys.stderr.write('MARKER 1 never found\n')
+    elif m2:
+        sys.stderr.write('MARKER 2 never found\n')
+
+
+# Test program.
+
+def test():
+    import sys
+    if not sys.argv[3:]:
+        print 'usage: python makeconfig.py config.c.in outputfile',
+        print 'modulename ...'
+        sys.exit(2)
+    if sys.argv[1] == '-':
+        infp = sys.stdin
+    else:
+        infp = open(sys.argv[1])
+    if sys.argv[2] == '-':
+        outfp = sys.stdout
+    else:
+        outfp = open(sys.argv[2], 'w')
+    makeconfig(infp, outfp, sys.argv[3:])
+    if outfp != sys.stdout:
+        outfp.close()
+    if infp != sys.stdin:
+        infp.close()
+
+if __name__ == '__main__':
+    test()