forked from VimPlug/jedi
80 lines
2.5 KiB
Python
80 lines
2.5 KiB
Python
""" Introduce refactoring """
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import api
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import modules
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import difflib
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class Refactoring(object):
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def __init__(self, change_dct):
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"""
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:param change_dct: dict(old_path=(new_path, old_lines, new_lines))
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"""
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self.change_dct = change_dct
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def old_files(self):
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dct = {}
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for old_path, (new_path, old_l, new_l) in self.change_dct.items():
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dct[new_path] = '\n'.join(new_l)
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return dct
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def new_files(self):
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dct = {}
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for old_path, (new_path, old_l, new_l) in self.change_dct.items():
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dct[new_path] = '\n'.join(new_l)
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return dct
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def diff(self):
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texts = []
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for old_path, (new_path, old_l, new_l) in self.change_dct.items():
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print old_path, new_path, old_l, new_l
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if old_path:
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udiff = difflib.unified_diff(old_l, new_l)
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else:
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udiff = difflib.unified_diff(old_l, new_l, old_path, new_path)
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texts.append('\n'.join(udiff))
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return '\n'.join(texts)
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def rename(new_name, source, *args, **kwargs):
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""" The `args` / `kwargs` params are the same as in `api.Script`.
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:param operation: The refactoring operation to execute.
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:type operation: str
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:type source: str
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:return: list of changed lines/changed files
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"""
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dct = {}
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def process(path, old_lines, new_lines):
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if new_lines is not None: # goto next file, save last
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dct[path] = path, old_lines, new_lines
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script = api.Script(source, *args, **kwargs)
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old_names = script.related_names()
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order = sorted(old_names, key=lambda x: (x.module_path, x.start_pos),
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reverse=True)
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current_path = object()
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new_lines = old_lines = None
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for name in order:
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if name.in_builtin_module():
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continue
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if current_path != name.module_path:
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current_path = name.module_path
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process(current_path, old_lines, new_lines)
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if current_path is not None:
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# None means take the source that is a normal param.
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with open(current_path) as f:
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source = f.read()
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new_lines = modules.source_to_unicode(source).splitlines()
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old_lines = new_lines[:]
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nr, indent = name.start_pos
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line = new_lines[nr - 1]
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new_lines[nr - 1] = line[:indent] + new_name + \
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line[indent + len(name.name_part):]
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process(current_path, old_lines, new_lines)
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return Refactoring(dct)
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