Start to create updatewrsledrunjsoncache.py (currently just adds 3 sledruns).

diff --git a/scripts/updatewrsledrunjsoncache.py b/scripts/updatewrsledrunjsoncache.py
new file mode 100644 (file)
index 0000000..83de932
--- /dev/null
+++ b/scripts/updatewrsledrunjsoncache.py
@@ -0,0 +1,47 @@
+#!/usr/bin/python3
+"""Updates the wrsledrunjsoncache table (by calling wrpylib.wrmwcache.update_wrsledrunjsoncache()).
+
+Command line usage:
+$ python updatewrsledrunjsoncache.py inifile1.ini ...
+
+One or more .ini configuration files can be given.
+At the end, the following entries have to be present:
+
+    [mysql]
+    host=localhost
+    dbname=philipp_winterrodeln_wiki
+    user_name=philipp_www
+    user_pass=YYYYYY
+
+    [robot]
+    wikiurl=https://www.winterrodeln.org/mediawiki/api.php
+"""
+import argparse
+import configparser
+import urllib.parse
+from sqlalchemy.engine import create_engine
+import wrpylib.wrmwcache
+
+
+def update_wrsledrunjsoncache(inifile):
+    """
+    :param inifile: filename of an .ini file or a list of .ini files.
+    """
+    config = configparser.ConfigParser()
+    config.read(inifile)
+
+    host = config.get('mysql', 'host')
+    dbname = config.get('mysql', 'dbname')
+    user = config.get('mysql', 'user_name')
+    passwd = config.get('mysql', 'user_pass')
+
+    engine = create_engine(f'mysql://{user}@{host}:3306/{dbname}?passwd={passwd}&charset=utf8mb4')
+    api_url = urllib.parse.urlparse(config.get('robot', 'wikiurl'))
+    wrpylib.wrmwcache.update_wrsledrunjsoncache(api_url, engine.connect())
+
+
+if __name__ == '__main__':
+    parser = argparse.ArgumentParser(description='Updates the wrsledruncache table.')
+    parser.add_argument('inifile', nargs='+', help='inifile.ini, see: https://www.winterrodeln.org/trac/wiki/ConfigIni')
+    args = parser.parse_args()
+    update_wrsledrunjsoncache(args.inifile)

diff --git a/wrpylib/wrmwcache.py b/wrpylib/wrmwcache.py
index 0b26415224aaa2cb52c8a84c0a5ed9f7b092ec3e..e64161d4973b924b673af26c58079e8dfc644087 100644 (file)
--- a/wrpylib/wrmwcache.py
+++ b/wrpylib/wrmwcache.py
@@ -1,5 +1,9 @@
 """Contains functions that maintain/update the cache tables."""
+import urllib.parse
+import urllib.request
+import json
 import mwparserfromhell
+import sqlalchemy.engine
 from sqlalchemy import schema, Table
 from sqlalchemy.engine import Connection
 from sqlalchemy.sql import select
@@ -306,3 +310,51 @@ def update_wrregioncache(connection):
             point.SetPoint(0, row.position_longitude, row.position_latitude)
             if point.Within(ogr.CreateGeometryFromWkb(row.border)):
                 connection.execute(ins.values(region_id=row.region_id, page_id=row.page_id))
+
+
+def update_wrsledrunjsoncache(api_url: urllib.parse.ParseResult, connection: sqlalchemy.engine.Connection):
+    """Updates the wrsledrunjsoncache from JSON files in the wiki.
+
+    :param api_url: URL to the API, e.g. https://www.winterrodeln.org/mediawiki/api.php
+    :param connection: open sqlalchemy connection
+    """
+    request = api_url._replace(query='action=query&list=categorymembers&cmtitle=Kategorie:Rodelbahn'
+                                     '&cmlimit=3&format=json')  # cmlimit=max (5000)
+    response = urllib.request.urlopen(request.geturl())
+    sledrun_list_response = json.load(response)
+    rows_to_insert = sledrun_list_response['query']['categorymembers']
+    for row in rows_to_insert:
+        row['sledrun_title'] = f'{row["title"]}/Rodelbahn.json'
+        row['map_title'] = f'{row["title"]}/Landkarte.json'
+
+    qs_titles = urllib.parse.urlencode({"titles": '|'.join(r['sledrun_title'] for r in rows_to_insert)})
+    request = api_url._replace(query='action=query&prop=revisions&rvprop=content&format=json&rvslots=main&' + qs_titles)
+    response = urllib.request.urlopen(request.geturl())
+    sledrun_json_list_response = json.load(response)
+    sledrun_json_dict = {s['title']: s for s in sledrun_json_list_response['query']['pages'].values()}
+
+    qs_titles = urllib.parse.urlencode({"titles": '|'.join(r['map_title'] for r in rows_to_insert)})
+    request = api_url._replace(query='action=query&prop=revisions&rvprop=content&format=json&rvslots=main&' + qs_titles)
+    response = urllib.request.urlopen(request.geturl())
+    map_json_list_response = json.load(response)
+    map_json_dict = {m['title']: m for m in map_json_list_response['query']['pages'].values()}
+
+    for row in rows_to_insert:
+        sledrun_json = sledrun_json_dict.get(row['sledrun_title'])
+        if sledrun_json is not None:
+            row['sledrun_pageid'] = sledrun_json['pageid']
+            row['sledrun'] = sledrun_json['revisions'][0]['slots']['main']['*']
+        map_json = map_json_dict.get(row['map_title'])
+        if map_json is not None:
+            row['map_pageid'] = map_json['pageid']
+            row['map'] = map_json['revisions'][0]['slots']['main']['*']
+
+    with connection.begin():
+        # connection.execute('truncate table wrsledrunjsoncache')  # needs additional permissions
+        connection.execute('delete from wrsledrunjsoncache')
+        sql = 'insert into wrsledrunjsoncache ' \
+              '(sledrun_page_id, sledrun_json_page_id, sledrun_json, map_json_page_id, map_json) ' \
+              'values (%s, %s, %s, %s, %s)'
+        for row in rows_to_insert:
+            connection.execute(sql, (row['pageid'], row.get('sledrun_pageid'), row.get('sledrun'),
+                                     row.get('map_pageid'), row.get('map')))