add hg and python

1 files changed, 52 insertions, 0 deletions

diff --git a/sys/src/cmd/python/Tools/versioncheck/checkversions.py b/sys/src/cmd/python/Tools/versioncheck/checkversions.py
new file mode 100644
index 000000000..fd128b600
--- /dev/null
+++ b/sys/src/cmd/python/Tools/versioncheck/checkversions.py
@@ -0,0 +1,52 @@
+"""Checkversions - recursively search a directory (default: sys.prefix)
+for _checkversion.py files, and run each of them. This will tell you of
+new versions available for any packages you have installed."""
+
+import os
+import getopt
+import sys
+import pyversioncheck
+
+CHECKNAME="_checkversion.py"
+
+VERBOSE=1
+
+USAGE="""Usage: checkversions [-v verboselevel] [dir ...]
+Recursively examine a tree (default: sys.prefix) and for each package
+with a _checkversion.py file compare the installed version against the current
+version.
+
+Values for verboselevel:
+0 - Minimal output, one line per package
+1 - Also print descriptions for outdated packages (default)
+2 - Print information on each URL checked
+3 - Check every URL for packages with multiple locations"""
+
+def check1dir(dummy, dir, files):
+    if CHECKNAME in files:
+        fullname = os.path.join(dir, CHECKNAME)
+        try:
+            execfile(fullname)
+        except:
+            print '** Exception in', fullname
+
+def walk1tree(tree):
+    os.path.walk(tree, check1dir, None)
+
+def main():
+    global VERBOSE
+    try:
+        options, arguments = getopt.getopt(sys.argv[1:], 'v:')
+    except getopt.error:
+        print USAGE
+        sys.exit(1)
+    for o, a in options:
+        if o == '-v':
+            VERBOSE = int(a)
+    if not arguments:
+        arguments = [sys.prefix]
+    for dir in arguments:
+        walk1tree(dir)
+
+if __name__ == '__main__':
+    main()