261 lines
10 KiB
Python
261 lines
10 KiB
Python
# Copyright 2014-2016 The Meson development team
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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# http://www.apache.org/licenses/LICENSE-2.0
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import os
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import sys
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import argparse
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from . import (coredata, mesonlib, build)
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def buildparser():
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parser = argparse.ArgumentParser(prog='meson configure')
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parser.add_argument('-D', action='append', default=[], dest='sets',
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help='Set an option to the given value.')
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parser.add_argument('directory', nargs='*')
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parser.add_argument('--clearcache', action='store_true', default=False,
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help='Clear cached state (e.g. found dependencies)')
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return parser
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class ConfException(mesonlib.MesonException):
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pass
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class Conf:
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def __init__(self, build_dir):
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self.build_dir = build_dir
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if not os.path.isdir(os.path.join(build_dir, 'meson-private')):
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raise ConfException('Directory %s does not seem to be a Meson build directory.' % build_dir)
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self.build = build.load(self.build_dir)
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self.coredata = coredata.load(self.build_dir)
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def clear_cache(self):
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self.coredata.deps = {}
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def save(self):
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# Only called if something has changed so overwrite unconditionally.
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coredata.save(self.coredata, self.build_dir)
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# We don't write the build file because any changes to it
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# are erased when Meson is executed the next time, i.e. when
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# Ninja is run.
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@staticmethod
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def print_aligned(arr):
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def make_lower_case(val):
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if isinstance(val, bool):
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return str(val).lower()
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elif isinstance(val, list):
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return [make_lower_case(i) for i in val]
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else:
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return str(val)
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if not arr:
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return
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titles = {'name': 'Option', 'descr': 'Description', 'value': 'Current Value', 'choices': 'Possible Values'}
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name_col = [titles['name'], '-' * len(titles['name'])]
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value_col = [titles['value'], '-' * len(titles['value'])]
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choices_col = [titles['choices'], '-' * len(titles['choices'])]
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descr_col = [titles['descr'], '-' * len(titles['descr'])]
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choices_found = False
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for opt in arr:
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name_col.append(opt['name'])
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descr_col.append(opt['descr'])
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if isinstance(opt['value'], list):
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value_col.append('[{0}]'.format(', '.join(make_lower_case(opt['value']))))
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else:
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value_col.append(make_lower_case(opt['value']))
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if opt['choices']:
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choices_found = True
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choices_col.append('[{0}]'.format(', '.join(make_lower_case(opt['choices']))))
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else:
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choices_col.append('')
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col_widths = (max([len(i) for i in name_col], default=0),
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max([len(i) for i in value_col], default=0),
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max([len(i) for i in choices_col], default=0),
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max([len(i) for i in descr_col], default=0))
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for line in zip(name_col, value_col, choices_col, descr_col):
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if choices_found:
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print(' {0:{width[0]}} {1:{width[1]}} {2:{width[2]}} {3:{width[3]}}'.format(*line, width=col_widths))
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else:
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print(' {0:{width[0]}} {1:{width[1]}} {3:{width[3]}}'.format(*line, width=col_widths))
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def set_options(self, options):
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for o in options:
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if '=' not in o:
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raise ConfException('Value "%s" not of type "a=b".' % o)
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(k, v) = o.split('=', 1)
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if coredata.is_builtin_option(k):
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self.coredata.set_builtin_option(k, v)
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elif k in self.coredata.backend_options:
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tgt = self.coredata.backend_options[k]
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tgt.set_value(v)
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elif k in self.coredata.user_options:
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tgt = self.coredata.user_options[k]
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tgt.set_value(v)
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elif k in self.coredata.compiler_options:
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tgt = self.coredata.compiler_options[k]
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tgt.set_value(v)
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elif k in self.coredata.base_options:
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tgt = self.coredata.base_options[k]
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tgt.set_value(v)
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elif k.endswith('_link_args'):
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lang = k[:-10]
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if lang not in self.coredata.external_link_args:
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raise ConfException('Unknown language %s in linkargs.' % lang)
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# TODO, currently split on spaces, make it so that user
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# can pass in an array string.
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newvalue = v.split()
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self.coredata.external_link_args[lang] = newvalue
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elif k.endswith('_args'):
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lang = k[:-5]
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if lang not in self.coredata.external_args:
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raise ConfException('Unknown language %s in compile args' % lang)
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# TODO same fix as above
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newvalue = v.split()
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self.coredata.external_args[lang] = newvalue
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else:
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raise ConfException('Unknown option %s.' % k)
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def print_conf(self):
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print('Core properties:')
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print(' Source dir', self.build.environment.source_dir)
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print(' Build dir ', self.build.environment.build_dir)
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print('\nCore options:\n')
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carr = []
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for key in ['buildtype', 'warning_level', 'werror', 'strip', 'unity', 'default_library']:
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carr.append({'name': key,
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'descr': coredata.get_builtin_option_description(key),
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'value': self.coredata.get_builtin_option(key),
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'choices': coredata.get_builtin_option_choices(key)})
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self.print_aligned(carr)
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if not self.coredata.backend_options:
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print(' No backend options\n')
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else:
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bearr = []
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for k in sorted(self.coredata.backend_options):
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o = self.coredata.backend_options[k]
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bearr.append({'name': k, 'descr': o.description, 'value': o.value, 'choices': ''})
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self.print_aligned(bearr)
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print('\nBase options:')
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if not self.coredata.base_options:
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print(' No base options\n')
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else:
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coarr = []
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for k in sorted(self.coredata.base_options):
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o = self.coredata.base_options[k]
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coarr.append({'name': k, 'descr': o.description, 'value': o.value, 'choices': o.choices})
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self.print_aligned(coarr)
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print('\nCompiler arguments:')
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for (lang, args) in self.coredata.external_args.items():
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print(' ' + lang + '_args', str(args))
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print('\nLinker args:')
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for (lang, args) in self.coredata.external_link_args.items():
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print(' ' + lang + '_link_args', str(args))
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print('\nCompiler options:')
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if not self.coredata.compiler_options:
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print(' No compiler options\n')
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else:
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coarr = []
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for k in self.coredata.compiler_options:
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o = self.coredata.compiler_options[k]
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coarr.append({'name': k, 'descr': o.description, 'value': o.value, 'choices': ''})
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self.print_aligned(coarr)
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print('\nDirectories:')
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parr = []
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for key in ['prefix',
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'libdir',
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'libexecdir',
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'bindir',
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'sbindir',
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'includedir',
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'datadir',
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'mandir',
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'infodir',
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'localedir',
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'sysconfdir',
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'localstatedir',
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'sharedstatedir',
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]:
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parr.append({'name': key,
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'descr': coredata.get_builtin_option_description(key),
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'value': self.coredata.get_builtin_option(key),
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'choices': coredata.get_builtin_option_choices(key)})
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self.print_aligned(parr)
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print('\nProject options:')
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if not self.coredata.user_options:
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print(' This project does not have any options')
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else:
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optarr = []
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for key in sorted(self.coredata.user_options):
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opt = self.coredata.user_options[key]
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if (opt.choices is None) or (not opt.choices):
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# Zero length list or string
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choices = ''
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else:
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choices = opt.choices
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optarr.append({'name': key,
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'descr': opt.description,
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'value': opt.value,
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'choices': choices})
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self.print_aligned(optarr)
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print('\nTesting options:')
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tarr = []
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for key in ['stdsplit', 'errorlogs']:
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tarr.append({'name': key,
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'descr': coredata.get_builtin_option_description(key),
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'value': self.coredata.get_builtin_option(key),
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'choices': coredata.get_builtin_option_choices(key)})
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self.print_aligned(tarr)
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def run(args):
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args = mesonlib.expand_arguments(args)
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if not args:
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args = [os.getcwd()]
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options = buildparser().parse_args(args)
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if len(options.directory) > 1:
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print('%s <build directory>' % args[0])
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print('If you omit the build directory, the current directory is substituted.')
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return 1
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if not options.directory:
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builddir = os.getcwd()
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else:
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builddir = options.directory[0]
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try:
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c = Conf(builddir)
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save = False
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if len(options.sets) > 0:
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c.set_options(options.sets)
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save = True
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elif options.clearcache:
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c.clear_cache()
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save = True
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else:
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c.print_conf()
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if save:
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c.save()
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except ConfException as e:
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print('Meson configurator encountered an error:')
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raise e
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return 0
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if __name__ == '__main__':
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sys.exit(run(sys.argv[1:]))
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