Tools: add generate_features_txt_files.py

walks a directory tree and emits a features.txt for each found .elf

Tools/scripts/generate_features_txt_files.py

@@ -0,0 +1,52 @@
+#!/usr/bin/env python
+
+'''
+recurse through directory tree rooted at supplied path.  For every elf file found, write out next to it a features.txt
+'''
+
+import optparse
+import os
+import sys
+
+import extract_features
+
+class GenerateFeatureTxtFiles(object):
+    def __init__(self, path):
+        self.path = path
+
+    def write_features_txt_for_filepath(self, filepath):
+        ef = extract_features.ExtractFeatures(filepath)
+        text = ef.create_string()
+        features_txt_filepath = os.path.join(os.path.dirname(filepath), "features.txt")
+        with open(features_txt_filepath, "w") as fh:
+            fh.write(text)
+
+    def run(self):
+        done_dirpaths = dict()
+        for (dirpath, dirnames, filenames) in os.walk(self.path):
+            for filename in filenames:
+                if os.path.splitext(filename)[1].upper() != ".ELF":
+                    continue
+                if dirpath in done_dirpaths:
+                    raise ValueError(
+                        "Already processed elf (%s) in dirpath (%s) but also found elf (%s)" %
+                        (done_dirpaths[dirpath], dirpath, filename))
+                done_dirpaths[dirpath] = filename
+                filepath = os.path.join(dirpath, filename)
+                self.write_features_txt_for_filepath(filepath)
+
+
+if __name__ == '__main__':
+
+    parser = optparse.OptionParser("generate_features_txt_files.py DIRPATH")
+
+    cmd_opts, cmd_args = parser.parse_args()
+
+    if len(cmd_args) < 1:
+        parser.print_help()
+        sys.exit(1)
+
+    dirpath = cmd_args[0]
+
+    gen = GenerateFeatureTxtFiles(dirpath)
+    gen.run()