X-Git-Url: https://git.phdru.name/?p=phdru.name%2Fphdru.name.git;a=blobdiff_plain;f=remove_old_html.py;fp=remove_old_html.py;h=904ff9eb8a6d934e3c63bcb4a1bfbf51eba2cad7;hp=0000000000000000000000000000000000000000;hb=e968f29c9bd237139cd9a7f662562f69ecdc057c;hpb=0f441641cea7980190fc22b97bc6779a5e96f1aa

diff --git a/remove_old_html.py b/remove_old_html.py
new file mode 100755
index 0000000..904ff9e
--- /dev/null
+++ b/remove_old_html.py
@@ -0,0 +1,80 @@
+#! /usr/bin/env python
+
+__author__ = "Oleg Broytman <phd@phdru.name>"
+__copyright__ = "Copyright (C) 2020 PhiloSoft Design"
+
+import os
+from blog_db import blog_root, load_blog
+blog = load_blog()
+
+# Run a loop over the blog posts:
+# for every post note its previous and next posts
+# and compare timestamps of previous and next HTML
+# with the timestamp of the current template;
+# if HTMLs are older - remove them,
+# they will be regenerated with the corrected back/forth links.
+
+
+def fullpath(key, post):
+    return os.path.join(*(blog_root,) + key + (post[0],))
+
+
+def html(tmpl):
+    return tmpl[:-len('tmpl')] + 'html'
+
+
+prev_key = prev_blog_post = current_key = current_blog_post = \
+    next_key = next_blog_post = None
+for key in sorted(blog):
+    for blog_post in sorted(blog[key]):
+        if current_blog_post:
+            prev_key = current_key
+            prev_blog_post = current_blog_post
+        if next_blog_post:
+            current_key = next_key
+            current_blog_post = next_blog_post
+        next_key = key
+        next_blog_post = blog_post
+
+        if current_key:
+            current_tmpl = fullpath(current_key, current_blog_post)
+            try:
+                current_mtime = os.path.getmtime(current_tmpl)
+            except OSError:
+                current_mtime = None
+
+        if prev_key:
+            prev_html = html(fullpath(prev_key, prev_blog_post))
+            try:
+                prev_mtime = os.path.getmtime(prev_html)
+            except OSError:
+                pass
+            else:
+                if current_mtime is not None and (prev_mtime < current_mtime):
+                    os.remove(prev_html)
+        if current_key and next_key:
+            next_html = html(fullpath(next_key, next_blog_post))
+            try:
+                next_mtime = os.path.getmtime(next_html)
+            except OSError:
+                pass
+            else:
+                if current_mtime is not None and (next_mtime < current_mtime):
+                    os.remove(next_html)
+
+current_tmpl = fullpath(key, blog_post)
+try:
+    current_mtime = os.path.getmtime(current_tmpl)
+except OSError:
+    pass
+else:
+    current_mtime = None
+
+prev_html = html(fullpath(current_key, current_blog_post))
+try:
+    prev_mtime = os.path.getmtime(prev_html)
+except OSError:
+    pass
+else:
+    if current_mtime is not None and (prev_mtime < current_mtime):
+        os.remove(prev_html)