add config file support

1 files changed, 49 insertions, 0 deletions

diff --git a/config.py b/config.py
new file mode 100644
index 0000000..bb6be97
--- /dev/null
+++ b/config.py
@@ -0,0 +1,49 @@
+from utils import is_python_v2, to_unicode
+import os
+
+if is_python_v2():
+	import ConfigParser as configparser
+else:
+	import configparser
+
+ConfigParserClass = configparser.RawConfigParser
+
+def with_default(func, msg = None):
+	def method(cls, section, option, default = None):
+		try:
+			return func(cls.parser, section, option)
+		except configparser.NoSectionError:
+			return default
+		except configparser.NoOptionError:
+			return default
+		except ValueError as err:
+			raise Exception("%s::%s: %s" % (section, option, msg or err))
+	return method
+
+class CfgParser:
+	def __init__(self):
+		self.parser = ConfigParserClass()
+
+	__get = with_default(ConfigParserClass.get)
+
+	if not is_python_v2():
+		get = __get
+	else:
+		def get(self, *args):
+			return to_unicode(self.__get(*args))
+
+	getint = with_default(ConfigParserClass.getint, "invalid number")
+	getbool = with_default(ConfigParserClass.getboolean, "invalid bool")
+
+	def __getattr__(self, attr):
+		return getattr(self.parser, attr)
+
+cfg = CfgParser()
+cfg.read(os.path.expanduser("~/.cutter.cfg"))
+
+DIR = to_unicode(cfg.get("encoding", "dir", "."))
+COMPRESSION = cfg.getint("encoding", "compression")
+
+SAMPLE_RATE = cfg.getint("output", "sample_rate")
+CHANNELS = cfg.getint("output", "channels")
+BITS_PER_SAMPLE = cfg.getint("output", "bits_per_sample")