add multitag example

README.md

@@ -327,6 +327,7 @@ copyparty can invoke external programs to collect additional metadata for files
 *but wait, there's more!* `-mtp` can be used for non-audio files as well using the `a` flag: `ay` only do audio files, `an` only do non-audio files, or `ad` do all files (d as in dontcare) 
 
 * `-mtp ext=an,~/bin/file-ext.py` runs `~/bin/file-ext.py` to get the `ext` tag only if file is not audio (`an`)
+* `-mtp arch,built,ver,orig=an,~/bin/mtag/exe.py` runs `~/bin/mtag/exe.py` to get properties about windows-binaries only if file is not audio (`an`)
 
 
 ## complete examples

bin/mtag/exe.py

@@ -0,0 +1,96 @@
+#!/usr/bin/env python
+
+import sys
+import time
+import json
+import pefile
+
+"""
+retrieve exe info,
+example for multivalue providers
+"""
+
+
+def unk(v):
+    return "unk({:04x})".format(v)
+
+
+class PE2(pefile.PE):
+    def __init__(self, *a, **ka):
+        for k in [
+            # -- parse_data_directories:
+            "parse_import_directory",
+            "parse_export_directory",
+            # "parse_resources_directory",
+            "parse_debug_directory",
+            "parse_relocations_directory",
+            "parse_directory_tls",
+            "parse_directory_load_config",
+            "parse_delay_import_directory",
+            "parse_directory_bound_imports",
+            # -- full_load:
+            "parse_rich_header",
+        ]:
+            setattr(self, k, self.noop)
+
+        super(PE2, self).__init__(*a, **ka)
+
+    def noop(*a, **ka):
+        pass
+
+
+try:
+    pe = PE2(sys.argv[1], fast_load=False)
+except:
+    sys.exit(0)
+
+arch = pe.FILE_HEADER.Machine
+if arch == 0x14C:
+    arch = "x86"
+elif arch == 0x8664:
+    arch = "x64"
+else:
+    arch = unk(arch)
+
+try:
+    buildtime = time.gmtime(pe.FILE_HEADER.TimeDateStamp)
+    buildtime = time.strftime("%Y-%m-%d_%H:%M:%S", buildtime)
+except:
+    buildtime = "invalid"
+
+ui = pe.OPTIONAL_HEADER.Subsystem
+if ui == 2:
+    ui = "GUI"
+elif ui == 3:
+    ui = "cmdline"
+else:
+    ui = unk(ui)
+
+extra = {}
+if hasattr(pe, "FileInfo"):
+    for v1 in pe.FileInfo:
+        for v2 in v1:
+            if v2.name != "StringFileInfo":
+                continue
+
+            for v3 in v2.StringTable:
+                for k, v in v3.entries.items():
+                    v = v.decode("utf-8", "replace").strip()
+                    if not v:
+                        continue
+
+                    if k in [b"FileVersion", b"ProductVersion"]:
+                        extra["ver"] = v
+
+                    if k in [b"OriginalFilename", b"InternalName"]:
+                        extra["orig"] = v
+
+r = {
+    "arch": arch,
+    "built": buildtime,
+    "ui": ui,
+    "cksum": "{:08x}".format(pe.OPTIONAL_HEADER.CheckSum),
+}
+r.update(extra)
+
+print(json.dumps(r, indent=4))