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43 lines
1.3 KiB
Python
43 lines
1.3 KiB
Python
import re
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import os
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# The regular expression for freeze directives. These are comments with the
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# word macfreeze immedeately followed by a colon, followed by a directive,
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# followed by argument(s)
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#
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# The directives supported are
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# include - Include a module or file
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# exclude - Exclude a module
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# optional - Include a module if it is found, but don't complain if it isn't
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# path - Add sys.path entries. Relative paths are relative to the source file.
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#
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# See the macfreeze.py main program for a real live example.
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#
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DIRECTIVE_RE=r'^\s*#\s*macfreeze:\s*(\S*)\s*(.*)\s*$'
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REPROG=re.compile(DIRECTIVE_RE)
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def findfreezedirectives(program):
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extra_modules = []
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exclude_modules = []
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optional_modules = []
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extra_path = []
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progdir, filename = os.path.split(program)
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fp = open(program)
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for line in fp.readlines():
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match = REPROG.match(line)
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if match:
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directive = match.group(1)
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argument = match.group(2)
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if directive == 'include':
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extra_modules.append(argument)
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elif directive == 'exclude':
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exclude_modules.append(argument)
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elif directive == 'optional':
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optional_modules.append(argument)
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elif directive == 'path':
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argument = os.path.join(progdir, argument)
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extra_path.append(argument)
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else:
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print '** Unknown directive', line
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return extra_modules, exclude_modules, optional_modules, extra_path
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