Class NewFiles

pipcl.py:3271–3320

Detects new/modified/updated files matching a glob pattern. Useful for detecting wheels created by pip or cubuildwheel etc.

class NewFiles:
    '''
    Detects new/modified/updated files matching a glob pattern. Useful for
    detecting wheels created by pip or cubuildwheel etc.
    '''
    def __init__(self, glob_pattern):
        # Find current matches of <glob_pattern>.
        self.glob_pattern = glob_pattern
        self.items0 = self._items()
    def get(self):
        ''&#x27;
        Returns list of new matches of <glob_pattern> - paths of files that
        were not present previously, or have different mtimes or have different
        contents.
        ''&#x27;
        ret = list()
        items = self._items()
        for path, id_ in items.items():
            id0 = self.items0.get(path)
            if id0 != id_:
                ret.append(path)
        return ret
    def get_n(self, n):
        ''&#x27;
        Returns new files matching <glob_pattern>, asserting that there are
        exactly <n>.
        ''&#x27;
        ret = self.get()
        assert len(ret) == n, f'{len(ret)=}: {ret}'
        return ret
    def get_one(self):
        ''&#x27;
        Returns new match of <glob_pattern>, asserting that there is exactly
        one.
        ''&#x27;
        return self.get_n(1)[0]
    def _file_id(self, path):
        mtime = os.stat(path).st_mtime
        with open(path, 'rb') as f:
            content = f.read()
            hash_ = hashlib.md5(content).digest()
            # With python >= 3.11 we can do:
            #hash_ = hashlib.file_digest(f, hashlib.md5).digest()
        return mtime, hash_
    def _items(self):
        ret = dict()
        for path in glob.glob(self.glob_pattern):
            if os.path.isfile(path):
                ret[path] = self._file_id(path)
        return ret


def swig_get(swig, quick, swig_local='pipcl-swig-git'):