コード例 #1
0
ファイル: athena.py プロジェクト: calston/tums
    def __init__(self, name, mapping):
        self.name = name
        self.mapping = mapping

        if '.' in name:
            parent = '.'.join(name.split('.')[:-1])
            self.packageDeps = [self.getOrCreate(parent, mapping)]

        self._cache = CachedFile(self.mapping[self.name], self._getDeps)
コード例 #2
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    def test_loaderException(self):
        """
        Test that an exception raised from the loader does not break the
        L{CachedFile}.
        """
        counter = count()

        def _loadMe(path, crashMe=False):
            if crashMe:
                raise Exception('It is an exception!')
            return next(counter)

        cf = CachedFile(self.testFile, _loadMe)

        # Can we still load after the first attempt raises an exception?
        self.assertRaises(Exception, cf.load, True)
        self.assertEqual(cf.load(), 0)

        # Cache should be valid now, so a broken loader shouldn't matter
        self.assertEqual(cf.load(True), 0)

        # A second broken load
        cf.invalidate()

        self.assertRaises(Exception, cf.load, True)
        self.assertEqual(cf.load(), 1)
コード例 #3
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ファイル: athena.py プロジェクト: calston/tums
class JSModule(object):
    _modules = {}

    lastModified = 0
    deps = None
    packageDeps = []

    def getOrCreate(cls, name, mapping):
        # XXX This implementation of getOrCreate precludes the
        # simultaneous co-existence of several different package
        # namespaces.
        if name in cls._modules:
            return cls._modules[name]
        mod = cls._modules[name] = cls(name, mapping)
        return mod

    getOrCreate = classmethod(getOrCreate)

    def __init__(self, name, mapping):
        self.name = name
        self.mapping = mapping

        if '.' in name:
            parent = '.'.join(name.split('.')[:-1])
            self.packageDeps = [self.getOrCreate(parent, mapping)]

        self._cache = CachedFile(self.mapping[self.name], self._getDeps)

    def __repr__(self):
        return 'JSModule(%r)' % (self.name, )

    _importExpression = re.compile('^// import (.+)$', re.MULTILINE)

    def _extractImports(self, fileObj):
        s = fileObj.read()
        for m in self._importExpression.finditer(s):
            yield self.getOrCreate(m.group(1).decode('ascii'), self.mapping)

    def _getDeps(self, jsFile):
        """
        Calculate our dependencies given the path to our source.
        """
        depgen = self._extractImports(file(jsFile, 'r'))
        return self.packageDeps + dict.fromkeys(depgen).keys()

    def dependencies(self):
        """
        Return a list of names of other JavaScript modules we depend on.
        """
        return self._cache.load()

    def allDependencies(self):
        if self.mapping[self.name] is None:
            return []
        else:
            mods = [self]
            return dependencyOrdered(mods)
コード例 #4
0
ファイル: loaders.py プロジェクト: calston/tums
 def __init__(self,
              template=None,
              pattern=None,
              templateDir=None,
              beExtremelyLenient=None):
     warnings.warn(
         "[v0.8] htmlfile is deprecated because it's buggy. Please start using xmlfile and/or xmlstr.",
         DeprecationWarning,
         stacklevel=2)
     if template is not None:
         self.template = template
     if pattern is not None:
         self.pattern = pattern
     if templateDir is not None:
         self.templateDir = templateDir
     if beExtremelyLenient is not None:
         self.beExtremelyLenient = beExtremelyLenient
     _filename = os.path.join(self.templateDir, self.template)
     self._cache = CachedFile(_filename, self._reallyLoad)
コード例 #5
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    def test_loadArgs(self):
        """
        Test that additional arguments are correctly passed through to the
        loader.
        """
        marker = object()

        def _loadMe(path, otherArg, otherKwarg):
            self.assertIdentical(otherArg, marker)
            self.assertIdentical(otherKwarg, marker)

        CachedFile(self.testFile, _loadMe).load(marker, otherKwarg=marker)
コード例 #6
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ファイル: test_utils.py プロジェクト: perkinslr/nevow-py3
    def test_loaderException(self):
        """
        Test that an exception raised from the loader does not break the
        L{CachedFile}.
        """
        counter = count()

        def _loadMe(path, crashMe=False):
            if crashMe:
                raise Exception('It is an exception!')
            return next(counter)

        cf = CachedFile(self.testFile, _loadMe)

        # Can we still load after the first attempt raises an exception?
        self.assertRaises(Exception, cf.load, True)
        self.assertEqual(cf.load(), 0)

        # Cache should be valid now, so a broken loader shouldn't matter
        self.assertEqual(cf.load(True), 0)

        # A second broken load
        cf.invalidate()

        self.assertRaises(Exception, cf.load, True)
        self.assertEqual(cf.load(), 1)
コード例 #7
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ファイル: loaders.py プロジェクト: calston/tums
    def load(self, ctx=None, preprocessors=()):
        rendererFactoryClass = None
        if ctx is not None:
            r = inevow.IRendererFactory(ctx, None)
            if r is not None:
                rendererFactoryClass = getClass(r)

        cacheKey = (self._filename, self.pattern, rendererFactoryClass)
        cachedFile = self._cache.get(cacheKey)
        if cachedFile is None:
            cachedFile = self._cache[cacheKey] = CachedFile(
                self._filename, self._reallyLoad)

        return cachedFile.load(ctx, preprocessors)
コード例 #8
0
ファイル: loaders.py プロジェクト: jonathanj/nevow
 def __init__(self, template=None, pattern=None, templateDir=None, beExtremelyLenient=None):
     warnings.warn(
         "[v0.8] htmlfile is deprecated because it's buggy. Please start using xmlfile and/or xmlstr.",
         DeprecationWarning,
         stacklevel=2,
     )
     if template is not None:
         self.template = template
     if pattern is not None:
         self.pattern = pattern
     if templateDir is not None:
         self.templateDir = templateDir
     if beExtremelyLenient is not None:
         self.beExtremelyLenient = beExtremelyLenient
     _filename = os.path.join(self.templateDir, self.template)
     self._cache = CachedFile(_filename, self._reallyLoad)
コード例 #9
0
ファイル: loaders.py プロジェクト: calston/tums
class htmlfile(object):
    """A document factory for an HTML disk template"""

    implements(inevow.IDocFactory)

    template = None
    pattern = None
    templateDir = ''
    beExtremelyLenient = True

    def __init__(self,
                 template=None,
                 pattern=None,
                 templateDir=None,
                 beExtremelyLenient=None):
        warnings.warn(
            "[v0.8] htmlfile is deprecated because it's buggy. Please start using xmlfile and/or xmlstr.",
            DeprecationWarning,
            stacklevel=2)
        if template is not None:
            self.template = template
        if pattern is not None:
            self.pattern = pattern
        if templateDir is not None:
            self.templateDir = templateDir
        if beExtremelyLenient is not None:
            self.beExtremelyLenient = beExtremelyLenient
        _filename = os.path.join(self.templateDir, self.template)
        self._cache = CachedFile(_filename, self._reallyLoad)

    def _reallyLoad(self, path, ctx):
        doc = microdom.parse(path, beExtremelyLenient=self.beExtremelyLenient)
        doc = flat.precompile(doc, ctx)
        if self.pattern is not None:
            doc = inevow.IQ(doc).onePattern(self.pattern)
        return doc

    def load(self, ctx=None, preprocessors=()):
        assert not preprocessors, "preprocessors not supported by htmlfile"
        return self._cache.load(ctx)
コード例 #10
0
ファイル: loaders.py プロジェクト: jonathanj/nevow
class htmlfile(object):
    """A document factory for an HTML disk template"""

    implements(inevow.IDocFactory)

    template = None
    pattern = None
    templateDir = ""
    beExtremelyLenient = True

    def __init__(self, template=None, pattern=None, templateDir=None, beExtremelyLenient=None):
        warnings.warn(
            "[v0.8] htmlfile is deprecated because it's buggy. Please start using xmlfile and/or xmlstr.",
            DeprecationWarning,
            stacklevel=2,
        )
        if template is not None:
            self.template = template
        if pattern is not None:
            self.pattern = pattern
        if templateDir is not None:
            self.templateDir = templateDir
        if beExtremelyLenient is not None:
            self.beExtremelyLenient = beExtremelyLenient
        _filename = os.path.join(self.templateDir, self.template)
        self._cache = CachedFile(_filename, self._reallyLoad)

    def _reallyLoad(self, path, ctx):
        doc = microdom.parse(path, beExtremelyLenient=self.beExtremelyLenient)
        doc = flat.precompile(doc, ctx)
        if self.pattern is not None:
            doc = inevow.IQ(doc).onePattern(self.pattern)
        return doc

    def load(self, ctx=None, preprocessors=()):
        assert not preprocessors, "preprocessors not supported by htmlfile"
        return self._cache.load(ctx)
コード例 #11
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ファイル: test_utils.py プロジェクト: perkinslr/nevow-py3
    def setUp(self):
        self.testFile = self.mktemp()
        file(self.testFile, 'w').close()

        counter = count()
        self.cache = CachedFile(self.testFile, lambda path: next(counter))
コード例 #12
0
ファイル: test_utils.py プロジェクト: perkinslr/nevow-py3
class CachedFileTests(TestCase):
    def setUp(self):
        self.testFile = self.mktemp()
        file(self.testFile, 'w').close()

        counter = count()
        self.cache = CachedFile(self.testFile, lambda path: next(counter))

    def test_cache(self):
        """
        Test that loading a file twice returns the cached version the second
        time.
        """
        o1 = self.cache.load()
        o2 = self.cache.load()
        self.assertEqual(o1, o2)

    def test_cacheModifiedTime(self):
        """
        Test that loading a cached file with a different mtime loads the file
        again.
        """
        mtime = getmtime(self.testFile)
        o = self.cache.load()
        # sanity check
        self.assertEqual(o, 0)

        utime(self.testFile, (mtime + 100, mtime + 100))
        o = self.cache.load()
        self.assertEqual(o, 1)

        utime(self.testFile, (mtime, mtime))
        o = self.cache.load()
        self.assertEqual(o, 2)

    def test_cacheInvalidate(self):
        """
        Test that calling invalidate really invalidates the cache.
        """
        self.assertEqual(self.cache.load(), 0)
        self.cache.invalidate()
        self.assertEqual(self.cache.load(), 1)

    def test_loadArgs(self):
        """
        Test that additional arguments are correctly passed through to the
        loader.
        """
        marker = object()
        def _loadMe(path, otherArg, otherKwarg):
            self.assertIdentical(otherArg, marker)
            self.assertIdentical(otherKwarg, marker)

        CachedFile(self.testFile, _loadMe).load(marker, otherKwarg=marker)

    def test_loaderException(self):
        """
        Test that an exception raised from the loader does not break the
        L{CachedFile}.
        """
        counter = count()

        def _loadMe(path, crashMe=False):
            if crashMe:
                raise Exception('It is an exception!')
            return next(counter)

        cf = CachedFile(self.testFile, _loadMe)

        # Can we still load after the first attempt raises an exception?
        self.assertRaises(Exception, cf.load, True)
        self.assertEqual(cf.load(), 0)

        # Cache should be valid now, so a broken loader shouldn't matter
        self.assertEqual(cf.load(True), 0)

        # A second broken load
        cf.invalidate()

        self.assertRaises(Exception, cf.load, True)
        self.assertEqual(cf.load(), 1)
コード例 #13
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    def setUp(self):
        self.testFile = self.mktemp()
        file(self.testFile, 'w').close()

        counter = count()
        self.cache = CachedFile(self.testFile, lambda path: next(counter))
コード例 #14
0
class CachedFileTests(TestCase):
    def setUp(self):
        self.testFile = self.mktemp()
        file(self.testFile, 'w').close()

        counter = count()
        self.cache = CachedFile(self.testFile, lambda path: next(counter))

    def test_cache(self):
        """
        Test that loading a file twice returns the cached version the second
        time.
        """
        o1 = self.cache.load()
        o2 = self.cache.load()
        self.assertEqual(o1, o2)

    def test_cacheModifiedTime(self):
        """
        Test that loading a cached file with a different mtime loads the file
        again.
        """
        mtime = getmtime(self.testFile)
        o = self.cache.load()
        # sanity check
        self.assertEqual(o, 0)

        utime(self.testFile, (mtime + 100, mtime + 100))
        o = self.cache.load()
        self.assertEqual(o, 1)

        utime(self.testFile, (mtime, mtime))
        o = self.cache.load()
        self.assertEqual(o, 2)

    def test_cacheInvalidate(self):
        """
        Test that calling invalidate really invalidates the cache.
        """
        self.assertEqual(self.cache.load(), 0)
        self.cache.invalidate()
        self.assertEqual(self.cache.load(), 1)

    def test_loadArgs(self):
        """
        Test that additional arguments are correctly passed through to the
        loader.
        """
        marker = object()

        def _loadMe(path, otherArg, otherKwarg):
            self.assertIdentical(otherArg, marker)
            self.assertIdentical(otherKwarg, marker)

        CachedFile(self.testFile, _loadMe).load(marker, otherKwarg=marker)

    def test_loaderException(self):
        """
        Test that an exception raised from the loader does not break the
        L{CachedFile}.
        """
        counter = count()

        def _loadMe(path, crashMe=False):
            if crashMe:
                raise Exception('It is an exception!')
            return next(counter)

        cf = CachedFile(self.testFile, _loadMe)

        # Can we still load after the first attempt raises an exception?
        self.assertRaises(Exception, cf.load, True)
        self.assertEqual(cf.load(), 0)

        # Cache should be valid now, so a broken loader shouldn't matter
        self.assertEqual(cf.load(True), 0)

        # A second broken load
        cf.invalidate()

        self.assertRaises(Exception, cf.load, True)
        self.assertEqual(cf.load(), 1)