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44 lines
1.1 KiB
44 lines
1.1 KiB
"""Helper functions."""
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import os
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import pathlib
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import re
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from asl_rulebook2.webapp import app, CONFIG_DIR
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# ---------------------------------------------------------------------
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def make_data_path( path ):
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"""Generate a path relative to the data directory."""
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dname = app.config.get( "DATA_DIR" )
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if not dname:
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return None
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return os.path.join( dname, path )
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def make_config_path( path ):
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"""Generate a path in the config directory."""
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return os.path.join( CONFIG_DIR, path )
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# ---------------------------------------------------------------------
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def change_extn( fname, extn ):
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"""Change a filename's extension."""
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return pathlib.Path( fname ).with_suffix( extn )
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def slugify( val ):
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"""Convert a string to a slug."""
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val = re.sub( r"\s+", " ", val ).lower()
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def fix( ch ):
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if ch.isalnum() or ch == "-":
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return ch
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if ch in " _":
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return "-"
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return "_"
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return "".join( fix(ch) for ch in val )
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def parse_int( val, default=None ):
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"""Parse an integer."""
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try:
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return int( val )
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except (ValueError, TypeError):
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return default
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