From 9797bc1c14e9d8b0feb43162db6397035b125c74 Mon Sep 17 00:00:00 2001
From: Daniel Hladek <daniel.hladek@tuke.sk>
Date: Fri, 30 Jul 2021 16:01:39 +0200
Subject: [PATCH] skudal migrater

---
 migrater_skudal.py | 112 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 112 insertions(+)
 create mode 100644 migrater_skudal.py

diff --git a/migrater_skudal.py b/migrater_skudal.py
new file mode 100644
index 00000000..92e38639
--- /dev/null
+++ b/migrater_skudal.py
@@ -0,0 +1,112 @@
+import os
+import sys
+import re
+import posixpath
+import argparse
+from pathlib import Path
+from shutil import copyfile
+import yaml
+
+name_reg = re.compile(r"(/[0-9][0-9]\.)+")
+
+
+def filter_string(string, string_replace='/', regex=name_reg):
+    return re.sub(regex, string_replace, string)
+
+
+# Input: dirname_from: where you want to migrate from. migrate_rootpath: path including the new root dir of the structure
+def transform_wiki(dirname_from, migrate_rootpath):
+
+    # New file structure
+    Path(migrate_rootpath).mkdir(parents=True, exist_ok=True)
+    dir_path_new = None
+
+    for root, dirs, files in os.walk('./' + dirname_from, topdown=False):
+
+        # Filter the new names i dst
+        root_src = root
+        root_dst = filter_string(root, '/', name_reg)
+       
+        # Make a new regural dirs (without bottom dir which is replaced by .md file)
+        path = '/'.join(root_dst.split('/')[2:-1])   # The path following the root dir (./Pages)
+        dir_path_new = migrate_rootpath + '/' + path
+        Path(dir_path_new).mkdir(parents=True, exist_ok=True)
+
+        for file_name in files:
+            # File path in original structure
+            file_path_scr = root_src + "/" + file_name
+
+            # Test for only altering .md-files
+            if not file_name.endswith(".md"):
+                # Copy other files from scr
+                src = file_path_scr
+                dst = '/'.join([dir_path_new, file_name])
+                copyfile(src, dst)
+                continue
+
+            # Open original file
+            with open(file_path_scr) as f_from:
+
+                try:
+                    # New name convention for .md-files migrated to new structure
+                    new_filepath = dir_path_new + '/' + os.path.basename(root_dst) + '.md'
+                    with open(new_filepath, 'w') as f_to:
+                        lines = []
+                        yamlfront = []
+                        inyamlfront = False
+                        for l in f_from:
+                            line = l.rstrip()
+                            if len(lines) == 0 and line.startswith("---"):
+                                inyamlfront = True
+                            elif inyamlfront:
+                                if line.startswith("---"):
+                                    inyamlfront = False
+                                    print(yamlfront)
+                                    front = yaml.load("\n".join(yamlfront))
+                                    if "taxonomy" in front:
+                                        taxonomy = front["taxonomy"]
+                                        del front["taxonomy"]
+                                        tags = []
+                                        if "tags" in taxonomy:
+                                            tags = taxonomy["tags"]
+                                        if "categories" in taxonomy:
+                                            for tag in taxonomy["categories"]:
+                                                tags.append("cat:" + tag)
+                                            del taxonomy["categories"]
+                                        if len(tags) > 0:
+                                            taxonomy["tags"] = tags
+                                        for k,v in taxonomy.items():
+                                            front[k] = v
+                                    del yamlfront[:]
+                                    yamlfront.append("---")
+                                    yamlfront.append(yaml.dump(front))
+                                    yamlfront.append("---")
+                                else:
+                                    yamlfront.append(line)
+                            else:
+                                lines.append(line)
+                        if len(yamlfront) > 0:
+                            for line in yamlfront:
+                                print(line,file=f_to)
+                        for line in lines:
+                            print(line,file=f_to)
+          
+                except UnicodeDecodeError:
+                    print("UnocodeError in :" + file_path_scr)
+            
+
+if __name__ == "__main__":
+    '''
+    path = 'pages_migrated_example/55.usaa/cvicenia/05.linked.md'
+    #path = '05.linked.md'
+    print(path)
+    path = filter_string(path, '/', name_reg)
+    print(path)
+    '''
+
+    parser = argparse.ArgumentParser()
+    parser.add_argument("dirname", type=str)
+    parser.add_argument("migrate_root",type=str)
+    args = parser.parse_args()
+    transform_wiki(args.dirname, args.migrate_root)
+