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63 lines
1.7 KiB
63 lines
1.7 KiB
5 years ago
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import os
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import re
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class SFZRegion(dict):
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def __init__(self, group):
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dict.__init__(self)
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self.group = group
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def merged(self):
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if self.group is None:
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return dict(self)
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v = dict(self)
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v.update(self.group)
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return v
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def __str__(self):
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return "(" + str(self.group) + ") : " + dict.__str__(self.merged())
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class SFZContext:
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def __init__(self):
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self.group = None
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self.region = None
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class SFZ:
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def __init__(self):
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self.regions = []
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def load(self, fname):
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self.parse(open(fname, "r").read())
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def parse(self, data):
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context = SFZContext()
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for ptype, pdata in re.findall("<(region|group)>\s*([^<]*)", data, re.S):
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self.parse_part(ptype, pdata.strip(), context)
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def parse_part(self, ptype, pdata, context):
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if ptype == 'group':
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context.group = {}
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context.region = None
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target = context.group
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else:
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context.region = SFZRegion(context.group)
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target = context.region
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pairs = re.split("\s+([a-zA-Z_0-9]+)=", " "+pdata)[1:]
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for i in range(0, len(pairs), 2):
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target[pairs[i]] = pairs[i + 1]
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if ptype == 'region':
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self.regions.append(target)
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def find_sample_in_path(path, sample):
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jpath = os.path.join(path, sample)
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if os.path.exists(jpath):
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return jpath
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path, sample = os.path.split(jpath)
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sample = sample.lower()
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files = os.path.listdir(path)
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for f in files:
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if f.lower() == sample:
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return os.path.join(path, f)
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return None
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