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code/.venv/bin/hexdiff.py

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+#!/home/rhetenor/Projects/esp/python/.venv/bin/python
+
+# Copyright (c) 2011-2018 Alexander Belchenko
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms,
+# with or without modification, are permitted provided
+# that the following conditions are met:
+#
+# * Redistributions of source code must retain
+#   the above copyright notice, this list of conditions
+#   and the following disclaimer.
+# * Redistributions in binary form must reproduce
+#   the above copyright notice, this list of conditions
+#   and the following disclaimer in the documentation
+#   and/or other materials provided with the distribution.
+# * Neither the name of the author nor the names
+#   of its contributors may be used to endorse
+#   or promote products derived from this software
+#   without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
+# BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+# AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+# IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
+# OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
+# OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+# EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+"""Produce diff for 2 hex files using hex dump as string representation
+of compared data.
+"""
+
+VERSION = '2.3.0'
+
+USAGE = '''hexdiff: diff dumps of 2 hex files.
+Usage:
+    python hexdiff.py [options] FILE1 FILE2
+
+Options:
+    -h, --help              this help message.
+    -v, --version           version info.
+'''
+
+import sys
+
+
+def main(argv=None):
+    import getopt
+
+    if argv is None:
+        argv = sys.argv[1:]
+    try:
+        opts, args = getopt.gnu_getopt(argv, 'hv', ['help', 'version'])
+
+        for o,a in opts:
+            if o in ('-h', '--help'):
+                print(USAGE)
+                return 0
+            elif o in ('-v', '--version'):
+                print(VERSION)
+                return 0
+
+    except getopt.GetoptError:
+        e = sys.exc_info()[1]     # current exception
+        sys.stderr.write(str(e)+"\n")
+        sys.stderr.write(USAGE+"\n")
+        return 1
+
+    if len(args) != 2:
+        sys.stderr.write("ERROR: You should specify 2 files to diff.\n")
+        sys.stderr.write(USAGE+"\n")
+        return 1
+
+    fname1, fname2 = args
+
+    from intelhex import IntelHex, diff_dumps
+    ih1 = IntelHex(fname1)
+    ih2 = IntelHex(fname2)
+    diff_dumps(ih1, ih2, name1=fname1, name2=fname2)
+
+
+if __name__ == '__main__':
+    sys.exit(main())