initial

.gitignore

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+*.pyc

example.sql

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+select objekt,
+       gesamt_flaeche,
+       wohnung,
+       flaeche,
+       anrede,
+       vorname,
+       nachname,
+       strasse,
+       plz,
+       ort,
+       nutzungszeit,
+       anteil_pro_flaeche,
+       anteil_pro_flaeche_nutzungszeit,
+       summe_zahlungen,
+       summe_zahlungen_anteil_miete,
+       vorauszahlung,
+       nachzahlung,
+       jahr,
+       gesamt_betriebskosten
+    from jahresabrechnung_flat_v
+    where jahr = '2020'
+    

example.tmpl

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+$objekt
+$wohnung
+$anrede
+
+$vorname $nachname
+$strasse
+$plz $ort
+

readme.md

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+* requires mariadb
+* required cheetah3

serienbrief.ini

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+[database]
+host = 172.16.10.18
+user = hv-serienbrief
+pass = test123
+name = hausverwaltung
+
+[config]
+queryFile = example.sql
+templateFile = example.tmpl
+outputPrefix = jahresabrechnung
+outputSuffix = tex

serienbrief.py

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+import argparse
+import configparser
+import mariadb
+import json
+from Cheetah.Template import Template
+
+parser = argparse.ArgumentParser(description='Serienbrief')
+parser.add_argument('--config', '-f',
+                    help='Config file, default is $pwd/serienbrief.ini', 
+                    required=False,
+                    default='./serienbrief.ini')
+parser.add_argument('--query', '-q',
+                    help='query file, default is $pwd/serienbrief.sql', 
+                    required=False,
+                    default='./serienbrief.sql')
+parser.add_argument('--template', '-t',
+                    help='template file, default is $pwd/serienbrief.tmpl', 
+                    required=False,
+                    default='./serienbrief.tmpl')
+parser.add_argument('--outputPrefix', '-p',
+                    help='prefix for the output file, will be extended by an auto increment number',
+                    required=False,
+                    default='output')
+parser.add_argument('--outputSuffix', '-s',
+                    help='suffix for the output file',
+                    required=False,
+                    default='txt')
+parser.add_argument('--verbose', '-v',
+                    help='verbose output',
+                    required=False,
+                    action='store_true',
+                    default=False)
+args = parser.parse_args()
+
+configFile = args.config
+
+localConfig = {}
+localConfig["queryFile"] = args.query
+localConfig["templateFile"] = args.template
+localConfig["outputPrefix"] = args.outputPrefix
+localConfig["outputSuffix"] = args.outputSuffix
+verbose = args.verbose
+
+config = configparser.ConfigParser()
+config.read(configFile)
+
+try:
+    dbhost = config["database"]["host"]
+    dbuser = config["database"]["user"]
+    dbpass = config["database"]["pass"]
+    dbname = config["database"]["name"]
+
+    if "config" in config:
+        for option in [ "queryFile", "templateFile", "outputPrefix", "outputSuffix" ]:
+            if option in config["config"]:
+                localConfig[option] = config["config"][option]
+except KeyError as err:
+    raise Exception("ERROR: problems when loading database configuration: {}".format(err))
+    
+
+# --- load query ------------------------------
+query = ''
+with open(localConfig["queryFile"]) as f:
+    query = f.readlines()
+query = ''.join([x.strip('\n') for x in query])
+if verbose:
+    print("Query loaded: {}".format(query))
+
+# --- load data from database
+conn = None
+cursor = None
+loadedData = []
+try:
+    conn = mariadb.connect(
+        user = dbuser,
+        password = dbpass,
+        host = dbhost,
+        database = dbname
+    )
+    conn.autocommit = False
+
+    cursor = conn.cursor(dictionary=True)
+    cursor.execute(query)
+    loadedData = [ x for x in cursor ]
+
+    if verbose:
+        print("Loaded data:")
+        print(loadedData)
+
+except mariadb.Error as err:
+    raise Exception("Error when accessing database: {}".format(err))
+finally:
+    if cursor:
+        cursor.close()
+    if conn:
+        conn.rollback()
+        conn.close()
+
+
+# --- process and output template
+num = 1
+for item in loadedData:
+    if verbose:
+        print("Processing item: {}".format(item))
+    outputFile = "{}-{}.{}".format(localConfig["outputPrefix"], str(num), localConfig["outputSuffix"])
+    num += 1
+    tmpl = Template(file=localConfig["templateFile"], searchList=[ item ])
+    if verbose:
+        print(tmpl)
+    with open(outputFile, 'w') as f:
+        f.write(str(tmpl))