Added gsutil to depot tools

third_party/gsutil/boto/bin/lss3

Index: third_party/gsutil/boto/bin/lss3
diff --git a/third_party/gsutil/boto/bin/lss3 b/third_party/gsutil/boto/bin/lss3
new file mode 100755
index 0000000000000000000000000000000000000000..497d08432475c515ae7812763ecae72e916c581c
--- /dev/null
+++ b/third_party/gsutil/boto/bin/lss3
@@ -0,0 +1,77 @@
+#!/usr/bin/env python
+import boto
+from boto.s3.connection import OrdinaryCallingFormat
+
+def sizeof_fmt(num):
+    for x in ['b ','KB','MB','GB','TB', 'XB']:
+        if num < 1024.0:
+            return "%3.1f %s" % (num, x)
+        num /= 1024.0
+    return "%3.1f %s" % (num, x)
+
+def list_bucket(b, prefix=None):
+    """List everything in a bucket"""
+    from boto.s3.prefix import Prefix
+    from boto.s3.key import Key
+    total = 0
+    query = b
+    if prefix:
+        if not prefix.endswith("/"):
+            prefix = prefix + "/"
+        query = b.list(prefix=prefix, delimiter="/")
+        print "%s" % prefix
+    num = 0
+    for k in query:
+        num += 1
+        mode = "-rwx---"
+        if isinstance(k, Prefix):
+            mode = "drwxr--"
+            size = 0
+        else:
+            size = k.size
+            for g in k.get_acl().acl.grants:
+                if g.id == None:
+                    if g.permission == "READ":
+                        mode = "-rwxr--"
+                    elif g.permission == "FULL_CONTROL":
+                        mode = "-rwxrwx"
+        if isinstance(k, Key):
+           print "%s\t%s\t%010s\t%s" % (mode, k.last_modified,
+                 sizeof_fmt(size), k.name)
+        else:
+           #If it's not a Key object, it doesn't have a last_modified time, so
+           #print nothing instead
+           print "%s\t%s\t%010s\t%s" % (mode, ' '*24,
+              sizeof_fmt(size), k.name)
+        total += size
+    print "="*80
+    print "\t\tTOTAL:  \t%010s \t%i Files" % (sizeof_fmt(total), num)
+
+def list_buckets(s3):
+    """List all the buckets"""
+    for b in s3.get_all_buckets():
+        print b.name
+
+if __name__ == "__main__":
+    import sys
+
+    pairs = []
+    mixedCase = False
+    for name in sys.argv[1:]:
+            if "/" in name:
+                pairs.append(name.split("/",1))
+            else:
+                pairs.append([name, None])
+            if pairs[-1][0].lower() != pairs[-1][0]:
+                mixedCase = True
+    
+    if mixedCase:
+        s3 = boto.connect_s3(calling_format=OrdinaryCallingFormat())
+    else:
+        s3 = boto.connect_s3()
+
+    if len(sys.argv) < 2:
+        list_buckets(s3)
+    else:
+        for name, prefix in pairs:
+            list_bucket(s3.get_bucket(name), prefix)