Basic options and imports setup

config.ini

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+[maus]
+watch_dir = /var/lib/kodi-nfo-feeder/watch
+output_dir = /var/lib/kodi-nfo-feeder/output

kodi-nfo-feeder.py

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+import os
+import logging
+from rich.logging import RichHandler
+from rich.traceback import install
+import configparser
+
+
+class CONST(object):
+    __slots__ = ()
+    LOG_FORMAT = "%(message)s"
+    CFG_THIS_FILE_DIRNAME = os.path.dirname(__file__)
+    CFG_DEFAULT_FILENAME = "config.ini"
+    CFG_DEFAULT_ABS_PATH = os.path.join(CFG_THIS_FILE_DIRNAME, CFG_DEFAULT_FILENAME)
+    CFG_KNOWN_DEFAULTS = [
+        {"key": "self_name", "value": "kodi-nfo-feeder"},
+        {"key": "watch_dir", "value": os.path.join(CFG_THIS_FILE_DIRNAME, "data/var/lib/%(self_name)s/watch")},
+        {"key": "output_dir", "value": os.path.join(CFG_THIS_FILE_DIRNAME, "data/var/lib/%(self_name)s/output")}
+    ]
+    CFG_KNOWN_SECTION = [
+        {"key": "watch_dir", "is_mandatory": True},
+        {"key": "output_dir", "is_mandatory": True}
+    ]
+    CFG_MANDATORY = [section_cfg["key"] for section_cfg in CFG_KNOWN_SECTION if section_cfg["is_mandatory"]]
+
+
+CONST = CONST()
+logging.basicConfig(
+    # Default for all modules in NOTSET so log everything
+    level="NOTSET",
+    format=CONST.LOG_FORMAT,
+    datefmt="[%X]",
+    handlers=[RichHandler(
+        show_time=False if "SYSTEMD_EXEC_PID" in os.environ else True,
+        rich_tracebacks=True
+    )]
+)
+log = logging.getLogger("rich")
+# Our own code logs with this level
+log.setLevel(logging.DEBUG)
+install(show_locals=True)
+
+
+class ConfigParser(
+        configparser.ConfigParser):
+    """Can get options() without defaults
+
+    Taken from https://stackoverflow.com/a/12600066.
+    """
+
+    def options(self, section, no_defaults=False, **kwargs):
+        if no_defaults:
+            try:
+                return list(self._sections[section].keys())
+            except KeyError:
+                raise configparser.NoSectionError(section)
+        else:
+            return super().options(section)
+
+
+ini_defaults = []
+internal_defaults = {default["key"]: default["value"] for default in CONST.CFG_KNOWN_DEFAULTS}
+config = ConfigParser(defaults=internal_defaults)
+config.read(CONST.CFG_DEFAULT_FILENAME)

requirements.in

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+rich

requirements.txt

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+#
+# This file is autogenerated by pip-compile with python 3.10
+# To update, run:
+#
+#    pip-compile
+#
+commonmark==0.9.1
+    # via rich
+pygments==2.11.2
+    # via rich
+rich==12.0.0
+    # via -r requirements.in