WIP: Use .ini file for base config

PyHardLinkBackup/phlb/config_defaults.ini

@@ -0,0 +1,27 @@
+#
+# Configuration for PyHardLinkBackup:
+# https://github.com/jedie/PyHardLinkBackup
+#
+
+[common]
+# Root directory for all backups
+BACKUP_PATH= ~/PyHardLinkBackups
+
+# datetime.strftime() formatter to create the sub directory.
+SUB_DIR_FORMATTER= %Y-%m-%d-%H%M%S
+
+# Direcory names that will be recusive exclude vom backups (Comma seperated list!)
+SKIP_DIRS= __pycache__, temp
+
+# Filename patterns to exclude files from backups use with fnmatch() (Comma seperated list!)
+SKIP_FILES= *.pyc, *.tmp, *.cache
+
+[internals]
+# default directory mode for os.makedirs() (As string for int(value,8) !)
+DEFAULT_NEW_PATH_MODE= 0o700
+
+# Name of the content hasher used in hashlib.new() and as file ending for the hast files.
+HASH_NAME= sha512
+
+# Size in bytes to read/write files.
+CHUNK_SIZE= 64 * 1024

PyHardLinkBackup/phlb/config_defaults.py

@@ -0,0 +1,82 @@
+import shutil
+
+import os
+import logging
+import configparser
+
+
+log = logging.getLogger(__name__)
+# logging.basicConfig(level=logging.DEBUG)
+
+CONFIG_FILENAME="PyHardLinkBackup.ini"
+DEAFULT_CONFIG_FILENAME="config_defaults.ini"
+
+
+def get_dict_from_ini(filepath):
+    log.debug("Read config %r" % filepath)
+    parser = configparser.ConfigParser(interpolation=None)
+    parser.read(filepath)
+    config={}
+    for section in parser.sections():
+        config.update(
+            dict(parser.items(section))
+        )
+    log.debug("readed config: %r" % config)
+    return config
+
+
+def get_user_ini_filepath():
+    return os.path.join(os.path.expanduser("~"), CONFIG_FILENAME)
+
+
+def get_ini_search_paths():
+    search_paths=[
+        os.path.join(os.getcwd(), CONFIG_FILENAME),
+        get_user_ini_filepath()
+    ]
+    log.debug("Search paths: %r" % search_paths)
+    return search_paths
+
+
+def get_ini_filepath():
+    search_paths=get_ini_search_paths()
+    for filepath in search_paths:
+        if os.path.isfile(filepath):
+            return filepath
+
+
+def get_config_dict():
+    # Read the defaults
+    default_config_filepath = os.path.join(
+        os.path.dirname(__file__), DEAFULT_CONFIG_FILENAME
+    )
+    config = get_dict_from_ini(default_config_filepath)
+
+    ini_filepath = get_ini_filepath()
+    if not ini_filepath:
+        # No .ini file made by user found
+        # -> Create one into user home
+        user_ini_filepath = get_user_ini_filepath()
+        shutil.copyfile(default_config_filepath,user_ini_filepath)
+        print("\n*************************************************************")
+        print("Default config file was created into your home:")
+        print("\t%s" % user_ini_filepath)
+        print("Change it for your needs ;)")
+        print("*************************************************************\n")
+    else:
+        print("\nread user configuration from:")
+        print("\t%s\n" % ini_filepath)
+        config.update(
+            get_dict_from_ini(ini_filepath)
+        )
+        log.debug("Config changed to: %r" % config)
+
+    return config
+
+
+if __name__ == '__main__':
+    from pprint import pprint
+
+    d = get_config_dict()
+
+    pprint(d)