def concatenate(cls, blocks, assume_contiguous=False):
"""
Concatenate a bunch of blocks into one block.
@type blocks:
sequence of L{PythonBlock}s and/or L{PythonStatement}s
@param assume_contiguous:
Whether to assume, without checking, that the input blocks were
originally all contiguous. This must be set to True to indicate the
caller understands the assumption; False is not implemented.
"""
if not assume_contiguous:
raise NotImplementedError
blocks = [PythonBlock(b) for b in blocks]
if len(blocks) == 1:
return blocks[0]
assert blocks
text = FileText.concatenate([b.text for b in blocks])
# The contiguous assumption is important here because C{ast_node}
# contains line information that would otherwise be wrong.
ast_nodes = [n for b in blocks for n in b.annotated_ast_node.body]
flags = blocks[0].flags
return cls.__construct_from_annotated_ast(ast_nodes, text, flags)
def pretty_print(self, params=None):
params = ImportFormatParams(params)
result = [block.pretty_print(params=params) for block in self.blocks]
return FileText.concatenate(result)
