211 lines
6.3 KiB
Python
Executable File
211 lines
6.3 KiB
Python
Executable File
#!/usr/bin/python
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import sys
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sys.path.append('debian/lib/python')
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import fnmatch
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import stat
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from debian_linux.abi import Symbols
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from debian_linux.config import ConfigCoreDump
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from debian_linux.debian import *
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class CheckAbi(object):
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class SymbolInfo(object):
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def __init__(self, symbol):
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self.symbol = symbol
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def write(self, out, ignored):
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info = []
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if ignored:
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info.append("ignored")
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for i in ('module', 'version', 'export'):
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info.append("%s: %s" % (i, getattr(self.symbol, i)))
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out.write("%-48s %s\n" % (self.symbol.name, ", ".join(info)))
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class SymbolChangeInfo(object):
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def __init__(self, symbol_ref, symbol_new):
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self.symbol_ref, self.symbol_new = symbol_ref, symbol_new
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def write(self, out, ignored):
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info = []
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if ignored:
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info.append("ignored")
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for i in ('module', 'version', 'export'):
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d_ref = getattr(self.symbol_ref, i)
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d_new = getattr(self.symbol_new, i)
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if d_ref != d_new:
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info.append("%s: %s -> %s" % (i, d_ref, d_new))
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else:
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info.append("%s: %s" % (i, d_new))
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out.write("%-48s %s\n" % (self.symbol_new.name, ", ".join(info)))
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def __init__(self, config, dir, arch, featureset, flavour):
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self.config = config
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self.arch, self.featureset, self.flavour = arch, featureset, flavour
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self.filename_new = "%s/Module.symvers" % dir
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changelog = Changelog(version=VersionLinux)[0]
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version = changelog.version.linux_version
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abiname = self.config['abi',]['abiname']
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self.filename_ref = "debian/abi/%s-%s/%s_%s_%s" % (version, abiname, arch, featureset, flavour)
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def __call__(self, out):
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ret = 0
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new = Symbols(open(self.filename_new))
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try:
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ref = Symbols(open(self.filename_ref))
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except IOError:
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out.write("Can't read ABI reference. ABI not checked! Continuing.\n")
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return 0
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symbols, add, change, remove = self._cmp(ref, new)
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ignore = self._ignore(symbols.keys())
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add_effective = add - ignore
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change_effective = change - ignore
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remove_effective = remove - ignore
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if change_effective or remove_effective:
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out.write("ABI has changed! Refusing to continue.\n")
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ret = 1
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elif change or remove:
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out.write("ABI has changed but all changes have been ignored. Continuing.\n")
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elif add_effective:
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out.write("New symbols have been added. Continuing.\n")
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elif add:
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out.write("New symbols have been added but have been ignored. Continuing.\n")
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else:
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out.write("No ABI changes.\n")
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if add:
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out.write("\nAdded symbols:\n")
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t = list(add)
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t.sort()
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for name in t:
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symbols[name].write(out, name in ignore)
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if change:
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out.write("\nChanged symbols:\n")
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t = list(change)
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t.sort()
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for name in t:
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symbols[name].write(out, name in ignore)
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if remove:
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out.write("\nRemoved symbols:\n")
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t = list(remove)
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t.sort()
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for name in t:
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symbols[name].write(out, name in ignore)
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return ret
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def _cmp(self, ref, new):
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ref_names = set(ref.keys())
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new_names = set(new.keys())
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add = set()
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change = set()
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remove = set()
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symbols = {}
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for name in new_names - ref_names:
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add.add(name)
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symbols[name] = self.SymbolInfo(new[name])
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for name in ref_names.intersection(new_names):
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s_ref = ref[name]
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s_new = new[name]
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if s_ref != s_new:
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change.add(name)
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symbols[name] = self.SymbolChangeInfo(s_ref, s_new)
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for name in ref_names - new_names:
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remove.add(name)
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symbols[name] = self.SymbolInfo(ref[name])
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return symbols, add, change, remove
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def _ignore(self, all):
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# TODO: let config merge this lists
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configs = []
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configs.append(self.config.get(('abi', self.arch, self.featureset, self.flavour), {}))
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configs.append(self.config.get(('abi', self.arch, None, self.flavour), {}))
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configs.append(self.config.get(('abi', self.arch, self.featureset), {}))
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configs.append(self.config.get(('abi', self.arch), {}))
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configs.append(self.config.get(('abi',), {}))
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ignores = set()
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for config in configs:
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ignores.update(config.get('ignore-changes', []))
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filtered = set()
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for m in ignores:
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filtered.update(fnmatch.filter(all, m))
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return filtered
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class CheckImage(object):
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def __init__(self, config, dir, arch, featureset, flavour):
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self.dir = dir
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self.arch, self.featureset, self.flavour = arch, featureset, flavour
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self.config_entry_build = config.merge('build', arch, featureset, flavour)
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self.config_entry_image = config.merge('image', arch, featureset, flavour)
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def __call__(self, out):
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image = self.config_entry_build.get('image-file')
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if not image:
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# TODO: Bail out
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return 0
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image = os.path.join(self.dir, image)
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fail = 0
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fail |= self.check_size(out, image)
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return fail
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def check_size(self, out, image):
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value = self.config_entry_image.get('check-size')
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if not value:
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return 0
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value = int(value)
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size = os.stat(image)[stat.ST_SIZE]
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if size > value:
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out.write('Image too large (%d > %d)! Refusing to continue.\n' % (size, value))
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return 1
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out.write('Image fits (%d <= %d). Continuing.\n' % (size, value))
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return 0
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class Main(object):
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def __init__(self, dir, arch, featureset, flavour):
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self.args = dir, arch, featureset, flavour
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self.config = ConfigCoreDump(fp=file("debian/config.defines.dump"))
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def __call__(self):
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fail = 0
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for c in CheckAbi, CheckImage:
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fail |= c(self.config, *self.args)(sys.stdout)
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return fail
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if __name__ == '__main__':
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sys.exit(Main(*sys.argv[1:])())
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