Rip Projector ckid resources in a tree

NewestCKID.py

@@ -0,0 +1,78 @@
+#!/usr/bin/env python3
+
+# unsigned longint;        /* checkSum */
+# unsigned longint LOC = 1071985200;  /* location identifier */
+# integer version = 4;     /* ckid version number */
+# integer readOnly = 0;    /* Check out state, if = 0 it is modifiable */
+# Byte noBranch = 0;       /* if modifiable & Byte != 0 then branch was made
+#                            on check out */
+# Byte clean = 0,
+#     MODIFIED = 1;       /* did user execute "ModifyReadOnly" on this file? */
+# unsigned longint UNUSED; /* not used */
+# unsigned longint;        /* date and time of checkout */
+# unsigned longint;        /* mod date of file */
+
+# unsigned longint;        /* PID.a */
+# unsigned longint;        /* PID.b */
+
+# integer;                 /* user ID */
+# integer;                 /* file ID */
+# integer;                 /* rev ID */
+
+# pstring;                 /* Project path */
+# Byte = 0;
+# pstring;                 /* User name */
+# Byte = 0;
+# pstring;                 /* Revision number */
+# Byte = 0;
+# pstring;                 /* File name */
+# Byte = 0;
+# pstring;                 /* task */
+# Byte = 0;
+# wstring;                 /* comment */
+# Byte = 0;
+
+import argparse
+from macresources.do_what_i_mean import read
+import os
+from os import path
+import struct
+import datetime
+
+def up_date(mac_date):
+    base = datetime.datetime(1904, 1, 1, 0, 0, 0)
+    base += datetime.timedelta(seconds=mac_date)
+    return base.strftime('%Y-%m-%d %H:%M:%S')
+
+parser = argparse.ArgumentParser(description='''
+    Print the dates in every ckid (Projector) resource.
+''')
+
+parser.add_argument('src', action='store', help='Source file')
+
+grp = parser.add_mutually_exclusive_group()
+grp.add_argument('-c', action='store_const', dest='what', const='ckout', help='Show checkout date')
+grp.add_argument('-m', action='store_const', dest='what', const='mod', help='Show mod date')
+grp.add_argument('-p', action='store_const', dest='what', const='proj', help='Show project creation date')
+
+args = parser.parse_args()
+
+for base, dirs, files in os.walk(args.src):
+    dirs[:] = [d for d in dirs if not d.startswith('.')]
+    files[:] = [f for f in files if f.endswith('.rdump')]
+
+    for f in files:
+        resources = read(path.join(base, f))
+
+        for r in resources:
+            if r.type == b'ckid':
+                cksm, loc, ver, ro, nobr, mod, _, t_ckout, t_mod, t_proj, tc_proj, uid, fid, rid = struct.unpack_from('>IIHHBBIIIIIHHH', r.data)
+
+                if args.what == 'ckout':
+                    print(up_date(t_ckout), end='  ')
+                elif args.what == 'mod':
+                    print(up_date(t_mod), end='  ')
+                elif args.what == 'proj':
+                    print(up_date(t_proj), end='  ')
+
+                print(path.join(base, f[:-6])) # cut rdump off end