1 files changed, 50 insertions, 0 deletions
diff --git a/scripts/debug_rebuilds/step1_build_and_dumpdb.py b/scripts/debug_rebuilds/step1_build_and_dumpdb.py
new file mode 100755
index 0000000..69f952d
--- /dev/null
+++ b/scripts/debug_rebuilds/step1_build_and_dumpdb.py
@@ -0,0 +1,50 @@
+import dbm
+import json
+import subprocess
+import sys
+
+
+def dbm_iter(db):
+    # try dictionary interface - ok in python2 and dumbdb
+    try:
+        return db.items()
+    except Exception:
+        # try firstkey/nextkey - ok for py3 dbm.gnu
+        def iter_gdbm(db):
+            k = db.firstkey()
+            while k is not None:
+                yield k, db[k]
+                k = db.nextkey(k)
+        return iter_gdbm(db)
+
+
+def dumpdb():
+    with dbm.open('.doit.db') as data:
+        return {key: json.loads(value_str.decode('utf-8'))
+                for key, value_str in dbm_iter(data)}
+
+
+print_ = print
+
+
+def print(*args, **kwargs):
+    print_(*args, file=sys.stdout)
+    sys.stdout.flush()
+
+
+print("==> Removing stuff...")
+subprocess.call(['rm', '-rf', '.doit.db', 'output', 'cache', 'cc_debug.sqlite3'])
+print("==> Running first build...")
+subprocess.call(['nikola', 'build'])
+print("==> Fetching database...")
+first = dumpdb()
+print("==> Running second build...")
+subprocess.call(['nikola', 'build'])
+print("==> Fetching database...")
+second = dumpdb()
+print("==> Saving dumps...")
+with open('first_dump.py', 'w', encoding='utf-8') as fh:
+    fh.write(repr(first))
+
+with open('second_dump.py', 'w', encoding='utf-8') as fh:
+    fh.write(repr(second))