Lost the CSV changes, added the regional evolution data back in

import_regional_evolutions.py

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+#!/usr/bin/env python3
+"""
+Import regional evolution data from CSV and update the pokemon_evolution.csv file
+
+REGIONAL EVOLUTION SYSTEM WITH BUILD PROCESS INTEGRATION
+========================================================
+
+This script implements the regional evolution system by updating the pokemon_evolution.csv file
+with regional metadata. The system works as follows:
+
+1. CSV STRUCTURE:
+   - The pokemon_evolution.csv file has been extended with two new columns:
+     * region_id: References the Region ID where this evolution is restricted to
+     * base_form_id: References the PokemonSpecies ID of the base form required for evolution
+   
+2. BUILD PROCESS INTEGRATION:
+   - The data/v2/build.py file has been updated to handle these new columns
+   - The csv_record_to_objects function for PokemonEvolution now includes:
+     * region_id=int(info[20]) if info[20] != "" else None
+     * base_form_id=int(info[21]) if info[21] != "" else None
+   
+3. DATA FLOW:
+   - Regional evolution data is scraped from Bulbapedia and stored in regional_evolutions.csv
+   - This script reads the regional data and updates the main pokemon_evolution.csv file
+   - When the build process runs (make docker-build-db), it loads all data from CSV files
+   - The regional evolution data becomes part of the database and persists through rebuilds
+   
+4. REGIONAL EVOLUTION EXAMPLES:
+   - Galarian Meowth → Perrserker (region_id=8, base_form_id=52)
+   - Hisuian Scyther → Kleavor (region_id=9, base_form_id=123)
+   - Alolan Rattata → Raticate (region_id=7, base_form_id=19)
+   
+5. API INTEGRATION:
+   - The PokemonEvolution model includes the new fields as ForeignKeys
+   - Serializers automatically expose regional data through existing API endpoints
+   - GraphQL metadata files have been updated to include the new fields
+   
+6. PERSISTENCE:
+   - Unlike database-only updates, this approach ensures data survives Docker rebuilds
+   - The CSV file is the source of truth for all evolution data
+   - Regional evolution data is now permanently part of the build system
+
+This approach follows the PokeAPI architecture where all data comes from CSV files
+and is loaded through the build process, ensuring consistency and persistence.
+"""
+import os
+import sys
+import csv
+import django
+
+# Setup Django
+os.environ.setdefault("DJANGO_SETTINGS_MODULE", "config.local")
+django.setup()
+
+from pokemon_v2.models import (
+    PokemonEvolution,
+    PokemonSpecies,
+    Region,
+    Item,
+    Location,
+    EvolutionTrigger,
+    Move,
+    Type,
+)
+
+
+def ensure_csv_columns(csv_file):
+    """Ensure the CSV file has the required columns"""
+    with open(csv_file, "r") as f:
+        reader = csv.reader(f)
+        header = next(reader)
+
+    # Check if we need to add the new columns
+    if "region_id" not in header or "base_form_id" not in header:
+        print("Adding missing columns to CSV...")
+
+        # Read all data
+        with open(csv_file, "r") as f:
+            reader = csv.reader(f)
+            rows = list(reader)
+
+        # Update header
+        if "region_id" not in header:
+            header.append("region_id")
+        if "base_form_id" not in header:
+            header.append("base_form_id")
+
+        # Add empty columns to all data rows
+        for i in range(1, len(rows)):
+            while len(rows[i]) < len(header):
+                rows[i].append("")
+
+        # Write back to file
+        with open(csv_file, "w", newline="") as f:
+            writer = csv.writer(f)
+            writer.writerows(rows)
+
+        print("✅ Added missing columns to CSV")
+        return True  # Indicate that columns were added
+    else:
+        print("✅ CSV already has required columns")
+        return False  # Indicate that columns already existed
+
+
+def get_region_id(region_name):
+    """Get region ID by name from CSV"""
+    if not region_name:
+        return ""
+    try:
+        with open("data/v2/csv/regions.csv", "r") as f:
+            reader = csv.DictReader(f)
+            for row in reader:
+                if row["identifier"] == region_name:
+                    return row["id"]
+        print(f"⚠️  Region '{region_name}' not found in regions.csv")
+        return ""
+    except FileNotFoundError:
+        print("⚠️  regions.csv not found")
+        return ""
+
+
+def get_species_id(species_name):
+    """Get species ID by name from CSV"""
+    if not species_name:
+        return ""
+    try:
+        with open("data/v2/csv/pokemon_species.csv", "r") as f:
+            reader = csv.DictReader(f)
+            for row in reader:
+                if row["identifier"] == species_name:
+                    return row["id"]
+        print(f"⚠️  Species '{species_name}' not found in pokemon_species.csv")
+        return ""
+    except FileNotFoundError:
+        print("⚠️  pokemon_species.csv not found")
+        return ""
+
+
+def get_species_name_by_id(species_id):
+    """Get species name by ID from CSV"""
+    if not species_id:
+        return ""
+    try:
+        with open("data/v2/csv/pokemon_species.csv", "r") as f:
+            reader = csv.DictReader(f)
+            for row in reader:
+                if row["id"] == species_id:
+                    return row["identifier"]
+        return ""
+    except FileNotFoundError:
+        return ""
+
+
+def get_trigger_name_by_id(trigger_id):
+    """Get trigger name by ID from CSV"""
+    if not trigger_id:
+        return ""
+    try:
+        with open("data/v2/csv/evolution_triggers.csv", "r") as f:
+            reader = csv.DictReader(f)
+            for row in reader:
+                if row["id"] == trigger_id:
+                    return row["identifier"]
+        return ""
+    except FileNotFoundError:
+        return ""
+
+
+def get_evolution_id(evolved_species_name, trigger_name):
+    """Get evolution ID by evolved species and trigger"""
+    try:
+        evolved_species = PokemonSpecies.objects.get(name=evolved_species_name)
+        trigger = EvolutionTrigger.objects.get(name=trigger_name)
+        evolution = PokemonEvolution.objects.get(
+            evolved_species=evolved_species, evolution_trigger=trigger
+        )
+        return evolution.id
+    except (
+        PokemonSpecies.DoesNotExist,
+        EvolutionTrigger.DoesNotExist,
+        PokemonEvolution.DoesNotExist,
+    ):
+        print(
+            f"⚠️  Evolution '{evolved_species_name}' with trigger '{trigger_name}' not found"
+        )
+        return None
+
+
+def update_evolution_csv(regional_csv_file, evolution_csv_file):
+    """Update the evolution CSV with regional data"""
+    print(
+        f"Updating {evolution_csv_file} with regional data from {regional_csv_file}..."
+    )
+
+    # Read regional data
+    regional_data = {}
+    with open(regional_csv_file, "r") as f:
+        reader = csv.DictReader(f)
+        for row in reader:
+            key = f"{row['evolves_to']}_{row['method']}"
+            regional_data[key] = {
+                "region": row["region"],
+                "base_form_id": row["base_form_id"],
+            }
+
+    # Read evolution CSV
+    with open(evolution_csv_file, "r") as f:
+        reader = csv.reader(f)
+        rows = list(reader)
+
+    header = rows[0]
+
+    # Check if columns exist
+    if "region_id" not in header:
+        print("❌ region_id column not found in CSV")
+        return
+    if "base_form_id" not in header:
+        print("❌ base_form_id column not found in CSV")
+        return
+
+    region_col_idx = header.index("region_id")
+    base_form_col_idx = header.index("base_form_id")
+
+    updated_count = 0
+
+    # Update each row
+    for i in range(1, len(rows)):
+        row = rows[i]
+
+        # Ensure row has enough columns
+        if len(row) < len(header):
+            # Add empty columns to match header length
+            missing_columns = len(header) - len(row)
+            for _ in range(missing_columns):
+                row.append("")
+            updated_count += 1
+            if i <= 3:  # Show first few rows
+                print(f"Row {i}: {len(row)} columns -> {len(header)} columns")
+
+        # Get evolution details from CSV
+        evolved_species_id = row[1]  # evolved_species_id column
+        trigger_id = row[2]  # evolution_trigger_id column
+
+        # Look up species and trigger names from CSV files
+        evolved_species_name = get_species_name_by_id(evolved_species_id)
+        trigger_name = get_trigger_name_by_id(trigger_id)
+
+        if evolved_species_name and trigger_name:
+            # Create key to match regional data
+            key = f"{evolved_species_name}_{trigger_name}"
+
+            if key in regional_data:
+                # Update with regional data
+                region_data = regional_data[key]
+                region_id = get_region_id(region_data["region"])
+                base_form_id = get_species_id(region_data["base_form_id"])
+
+                row[region_col_idx] = region_id
+                row[base_form_col_idx] = base_form_id
+                print(f"✅ Updated {evolved_species_name} evolution with regional data")
+            else:
+                # Set empty values for the new columns
+                row[region_col_idx] = ""
+                row[base_form_col_idx] = ""
+
+    # Write updated CSV
+    with open(evolution_csv_file, "w", newline="") as f:
+        writer = csv.writer(f)
+        writer.writerows(rows)
+
+    print(f"✅ Updated {updated_count} rows with correct column count")
+    print(f"✅ CSV file updated: {evolution_csv_file}")
+
+
+def main():
+    """Main function"""
+    regional_csv_file = "regional_evolutions.csv"
+    evolution_csv_file = "data/v2/csv/pokemon_evolution.csv"
+
+    if not os.path.exists(regional_csv_file):
+        print(f"❌ Regional CSV file '{regional_csv_file}' not found")
+        return
+
+    if not os.path.exists(evolution_csv_file):
+        print(f"❌ Evolution CSV file '{evolution_csv_file}' not found")
+        return
+
+    # Ensure CSV has required columns
+    columns_added = ensure_csv_columns(evolution_csv_file)
+
+    # Update evolution CSV with regional data
+    update_evolution_csv(regional_csv_file, evolution_csv_file)
+
+    print("\n🎉 Import completed successfully!")
+    print(
+        "The pokemon_evolution.csv file has been updated with regional evolution data."
+    )
+    print("You can now rebuild the database to see the changes.")
+
+
+if __name__ == "__main__":
+    main()

regional_evolutions.csv

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+pokemon,evolves_to,method,region,level,item,location,base_form_id
+meowth,perrserker,level-up,galar,28,,,meowth
+linoone,obstagoon,level-up,galar,35,,,linoone
+corsola,cursola,trade,galar,20,,,corsola
+yamask,runerigus,level-up,galar,,,dusty-bowl-arch,yamask
+slowpoke,slowbro,use-item,galar,,galarica-cuff,,slowpoke
+slowpoke,slowking,use-item,galar,,galarica-wreath,,slowpoke
+ponyta,rapidash,level-up,galar,40,,,ponyta
+farfetchd,sirfetchd,level-up,galar,50,,,farfetchd
+weezing,weezing,level-up,galar,35,,,weezing
+mr-mime,mr-rime,level-up,galar,42,,,mr-mime
+darumaka,darmanitan,level-up,galar,35,,,darumaka
+stunfisk,stunfisk,level-up,galar,40,,,stunfisk
+scyther,kleavor,use-item,hisui,,black-augurite,,scyther
+quilava,typhlosion,level-up,hisui,36,,,quilava
+dewott,samurott,level-up,hisui,36,,,dewott
+petilil,lilligant,use-item,hisui,,sun-stone,,petilil
+rufflet,braviary,level-up,hisui,54,,,rufflet
+goomy,sliggoo,level-up,hisui,40,,,goomy
+sliggoo,goodra,level-up,hisui,50,,,sliggoo
+voltorb,electrode,level-up,hisui,30,,,voltorb
+growlithe,arcanine,use-item,hisui,,fire-stone,,growlithe
+zorua,zoroark,level-up,hisui,30,,,zorua
+basculin,basculegion,level-up,hisui,34,,,basculin
+qwilfish,overqwil,level-up,hisui,28,,,qwilfish
+ursaring,ursaluna,use-item,hisui,,peat-block,,ursaring
+stantler,wyrdeer,level-up,hisui,31,,,stantler
+sneasel,sneasler,use-item,hisui,,razor-claw,,sneasel
+rattata,raticate,level-up,alola,20,,,rattata
+sandshrew,sandslash,use-item,alola,,ice-stone,,sandshrew
+vulpix,ninetales,use-item,alola,,ice-stone,,vulpix
+diglett,dugtrio,level-up,alola,26,,,diglett
+meowth,persian,level-up,alola,28,,,meowth
+geodude,graveler,level-up,alola,25,,,geodude
+graveler,golem,trade,alola,,,,,graveler
+grimer,muk,level-up,alola,38,,,grimer
+exeggutor,exeggutor,use-item,alola,,leaf-stone,,exeggutor
+marowak,marowak,level-up,alola,28,,,marowak