Add Finnish Wikipedia wordlist generator script

.gitignore

@@ -211,3 +211,4 @@ pywikibot-Zache-test.lwp
 user-config.py
 app/user-config.py
 *.lwp
+app/reviews/fiwiki_wordlist.txt.gz 

app/reviews/create_fiwiki_wordlist.py

@@ -0,0 +1,141 @@
+"""
+Finnish Wikipedia Wordlist Generator
+Processes Finnish Wikipedia dump to create a compressed wordlist for sanity checking.
+
+Usage:
+    python fiwiki_wordlist_generator.py fiwiki-20251001-pages-meta-current.xml.bz2
+"""
+
+import bz2
+import gzip
+import re
+import sys
+from xml.etree import ElementTree as ET
+
+
+def extract_text_from_dump(dump_path):
+    """
+    Parse Wikipedia XML dump and extract all text content.
+
+    Args:
+        dump_path: Path to the bz2-compressed Wikipedia dump
+
+    Yields:
+        Text content from each page
+    """
+    print(f"Opening dump file: {dump_path}")
+
+    # Open bz2-compressed file correctly
+    with bz2.open(dump_path, 'rt', encoding='utf-8') as f:
+        # Parse XML iteratively to handle large files
+        context = ET.iterparse(f, events=('end',))
+
+        page_count = 0
+        for event, elem in context:
+            # Look for text elements (Wikipedia page content)
+            # Tag will be like {http://www.mediawiki.org/xml/export-0.10/}text
+            if elem.tag.endswith('text'):
+                if elem.text:
+                    yield elem.text
+                    page_count += 1
+
+                    if page_count % 10000 == 0:
+                        print(f"Processed {page_count} pages...", file=sys.stderr)
+
+                # Clear element to free memory
+                elem.clear()
+
+            # Also clear parent elements periodically
+            if elem.tag.endswith('page'):
+                elem.clear()
+
+        print(f"Total pages processed: {page_count}", file=sys.stderr)
+
+
+def process_text_to_words(text_generator):
+    """
+    Process text content into individual words.
+
+    Args:
+        text_generator: Generator yielding text strings
+
+    Yields:
+        Individual words (3+ characters, must contain at least one letter)
+    """
+    # Compile regex patterns
+    non_alnum_pattern = re.compile(r'[^a-zA-ZäöåÄÖÅ0-9]+')
+    has_letter_pattern = re.compile(r'[a-zA-ZäöåÄÖÅ]')
+
+    for text in text_generator:
+        # Replace non-alphanumeric with spaces
+        text = non_alnum_pattern.sub(' ', text)
+
+        # Split on spaces and filter
+        for word in text.split():
+            # Must be 3+ chars AND contain at least one letter
+            if len(word) >= 3 and has_letter_pattern.search(word):
+                yield word.lower()  # Normalize to lowercase
+
+
+def create_wordlist(dump_path, output_path):
+    """
+    Create compressed wordlist from Wikipedia dump.
+
+    Args:
+        dump_path: Path to Wikipedia dump file
+        output_path: Path for output gzip file
+    """
+    print("Step 1-3: Extracting and parsing wikitext...")
+    text_gen = extract_text_from_dump(dump_path)
+
+    print("Step 4-6: Processing text into words (3+ chars, must contain letters)...")
+    words = process_text_to_words(text_gen)
+
+    print("Step 7: Collecting unique words...")
+    unique_words = set()
+    word_count = 0
+
+    for word in words:
+        unique_words.add(word)
+        word_count += 1
+
+        if word_count % 100000 == 0:
+            print(f"Processed {word_count} words, {len(unique_words)} unique...", file=sys.stderr)
+
+    print(f"Total words: {word_count}", file=sys.stderr)
+    print(f"Unique words: {len(unique_words)}", file=sys.stderr)
+
+    print("Sorting words...")
+    sorted_words = sorted(unique_words)
+
+    print(f"Step 8: Writing compressed output to {output_path}...")
+    with gzip.open(output_path, 'wt', encoding='utf-8') as f:
+        for word in sorted_words:
+            f.write(word + '\n')
+
+    print(f"Done! Wordlist saved to {output_path}")
+    print(f"Final count: {len(sorted_words)} unique words")
+
+
+def main():
+    if len(sys.argv) != 2:
+        print("Usage: python fiwiki_wordlist_generator.py <dump_file.xml.bz2>")
+        print("\nExample:")
+        print("  python fiwiki_wordlist_generator.py fiwiki-20251001-pages-meta-current.xml.bz2")
+        sys.exit(1)
+
+    dump_path = sys.argv[1]
+    output_path = "fiwiki_wordlist.txt.gz"
+
+    try:
+        create_wordlist(dump_path, output_path)
+    except FileNotFoundError:
+        print(f"Error: File not found: {dump_path}", file=sys.stderr)
+        sys.exit(1)
+    except Exception as e:
+        print(f"Error: {e}", file=sys.stderr)
+        sys.exit(1)
+
+
+if __name__ == "__main__":
+    main()