upload android base code part8

android/packages/apps/Camera2/tests/exiftool_parser/parser.py

@@ -0,0 +1,90 @@
+#!/usr/bin/env python
+#
+# This parser parses the output from Phil Harvey's exiftool (version 9.02)
+# and convert it to xml format. It reads exiftool's output from stdin and
+# write the xml format to stdout.
+#
+# In order to get the raw infomation from exiftool, we need to enable the verbose
+# flag (-v2) of exiftool.
+#
+# Usage:
+#      exiftool -v2 img.jpg | ./parser.py >> output.xml
+#
+#
+
+import os
+import sys
+import re
+
+text = sys.stdin.read()
+
+print """<?xml version="1.0" encoding="utf-8"?>"""
+print "<exif>"
+
+# find the following two groups of string:
+#
+# 1. tag:
+#
+# | | | x) name = value
+# | | |     - Tag 0x1234
+#
+# 2. IFD indicator:
+#
+# | | | + [xxx directory with xx entries]
+#
+p = re.compile(
+        "(((?:\| )+)[0-9]*\)(?:(?:.*? = .*?)|(?:.*? \(SubDirectory\) -->))\n.*?- Tag 0x[0-9a-f]{4})" + "|"
+        + "(((?:\| )*)\+ \[.*? directory with [0-9]+ entries]$)"
+        , re.M)
+tags = p.findall(text)
+
+layer = 0
+ifds = []
+
+for s in tags:
+    # IFD indicator
+    if s[2]:
+        l = len(s[3])
+        ifd = s[2][l + 3:].split()[0]
+        new_layer = l / 2 + 1
+        if new_layer > layer:
+            ifds.append(ifd)
+        else:
+            for i in range(layer - new_layer):
+                ifds.pop()
+            ifds[-1] = ifd
+        layer = new_layer
+    else:
+        l = len(s[1])
+        s = s[0]
+        new_layer = l / 2
+        if new_layer < layer:
+            for i in range(layer - new_layer):
+                ifds.pop()
+        layer = new_layer
+
+        # find the ID
+        _id = re.search("0x[0-9a-f]{4}", s)
+        _id = _id.group(0)
+
+        # find the name
+        name = re.search("[0-9]*?\).*?(?:(?: = )|(?: \(SubDirectory\) -->))", s)
+        name = name.group(0).split()[1]
+
+        # find the raw value in the parenthesis
+        value = re.search("\(SubDirectory\) -->", s)
+        if value:
+            value = "NO_VALUE"
+        else:
+            value = re.search("\(.*\)\n", s)
+            if (name != 'Model' and value):
+                value = value.group(0)[1:-2]
+            else:
+                value = re.search("=.*\n", s)
+                value = value.group(0)[2:-1]
+                if "[snip]" in value:
+                    value = "NO_VALUE"
+
+        print ('    <tag ifd="' + ifds[-1] + '" id="'
+            + _id + '" name="' + name +'">' + value + "</tag>")
+print "</exif>"