Add script for identifying old non-deprecated guides

ci/old_guides.py

@@ -0,0 +1,50 @@
+from tabulate import tabulate
+from operator import itemgetter
+import yaml
+import regex
+import glob
+
+def parse_yaml(filestring):
+    reg = regex.compile(r'^---(.*?)---',flags=regex.DOTALL)
+    match = regex.search(reg, filestring)
+    if not match: return {}
+    yaml_text = match.group(1)
+    try:
+        return yaml.load(yaml_text)
+    except:
+        return {}
+
+def make_record(yaml):
+    if 'title' in yaml:
+        title = yaml['title']
+    else:
+        title = "No title"
+    record = {
+        'title': title,
+        'updated': yaml['modified']        
+    }
+    return record
+
+
+def find_old_guides():
+    old_guides = []
+    guides_scanned = 0
+    rootdir = 'docs'
+    for files in glob.glob('docs/**/*.md',recursive=True):
+        guides_scanned += 1
+        filename = files 
+        with open(filename, 'r') as f:
+            filestring = f.read()
+            parsed = parse_yaml(filestring)
+            if 'modified' in parsed and 'deprecated' not in parsed:
+                record = make_record(parsed)
+                record['path'] = filename
+                old_guides.append(record)
+    print(str(guides_scanned) + " guides scanned.")
+    old_guides.sort(key=itemgetter('updated'))
+    oldest_guides = old_guides[0:20]
+    print(tabulate(oldest_guides))        
+
+
+if __name__ == '__main__':
+    find_old_guides()