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6b0cec1189
* Common code extracted to Python directories. * Read ~/.scons file for scons environment defaults. * Override scons settings with shell environment variables. * New "tags" for debug, nodebug, optimize, nooptimize builds. * Universal platform detection. * Default value of environment variables set through prefix dictionaries. * Check for correct Boost value and fail otherwise. * Extract git describe --tags into a preprocesor variable, -DTIP_BRANCH * More colors - blue for unchanged defaults, green for changed defaults, red for error. * Contain unit tests for non-obvious stuff. * Check to see that boost libraries have been built. * Right now, we accept both .dylib and .a versions but it'd be easy to enforce .a only.
61 lines
1.8 KiB
Python
61 lines
1.8 KiB
Python
from __future__ import absolute_import, division, print_function, unicode_literals
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import functools
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from beast.util import Iter
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from beast.util.Terminal import warn
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def is_string(s):
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"""Is s a string? - in either Python 2.x or 3.x."""
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return isinstance(s, (str, unicode))
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def stringify(item, joiner=''):
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"""If item is not a string, stringify its members and join them."""
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try:
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len(item)
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except:
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return str(item)
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if not item or is_string(item):
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return item or ''
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else:
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return joiner.join(str(i) for i in item)
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def single_line(line, report_errors=True, joiner='+'):
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"""Force a string to be a single line with no carriage returns, and report
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a warning if there was more than one line."""
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lines = line.strip().splitlines()
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if report_errors and len(lines) > 1:
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print('multiline result:', lines)
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return joiner.join(lines)
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# Copied from
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# https://github.com/lerugray/pickett/blob/master/pickett/ParseScript.py
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def remove_comment(line):
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"""Remove trailing comments from one line."""
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start = 0
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while True:
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loc = line.find('#', start)
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if loc == -1:
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return line.replace('\\#', '#')
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elif not (loc and line[loc - 1] == '\\'):
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return line[:loc].replace('\\#', '#')
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start = loc + 1
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def remove_quotes(line, quote='"', print=print):
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if not line.startswith(quote):
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return line
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if line.endswith(quote):
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return line[1:-1]
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warn('line started with %s but didn\'t end with one:' % quote, print)
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print(line)
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return line[1:]
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def fields_after_prefix(prefix, line):
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line = line.strip()
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return line.startswith(prefix) and line[len(prefix):].split()
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def first_fields_after_prefix(prefix, sequence):
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condition = functools.partial(fields_after_prefix, prefix)
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return Iter.first(condition, sequence) or []
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