mirror of
https://github.com/arsenetar/dupeguru.git
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98 lines
3.0 KiB
Python
98 lines
3.0 KiB
Python
# This software is licensed under the "GPLv3" License as described in the "LICENSE" file,
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# which should be included with this package. The terms are also available at
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# http://www.gnu.org/licenses/gpl-3.0.html
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from .markable import Markable
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from xml.etree import ElementTree as ET
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from hscommon.util import FileOrPath
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class ExcludeList(Markable):
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"""Exclude list of regular expression strings to filter out directories
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and files that we want to avoid scanning."""
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# ---Override
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def __init__(self, app):
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Markable.__init__(self)
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self.app = app
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self._excluded = [] # set of strings
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self._count = 0
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def __iter__(self):
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for regex in self._excluded:
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yield self.is_marked(regex), regex
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def __len__(self):
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return self._count
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def _is_markable(self, row):
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return True
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# ---Public
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def add(self, regex):
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self._excluded.insert(0, regex)
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self._count = len(self._excluded)
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def isExcluded(self, regex):
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if regex in self._excluded:
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return True
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return False
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def clear(self):
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self._excluded = []
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self._count = 0
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def remove(self, regex):
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return self._excluded.remove(regex)
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def rename(self, regex, newregex):
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if regex not in self._excluded:
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return
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marked = self.is_marked(regex)
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index = self._excluded.index(regex)
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self._excluded[index] = newregex
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if marked:
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# Not marked by default when added
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self.mark(self._excluded[index])
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def change_index(self, regex, new_index):
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item = self._excluded.pop(regex)
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self._excluded.insert(new_index, item)
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def load_from_xml(self, infile):
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"""Loads the ignore list from a XML created with save_to_xml.
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infile can be a file object or a filename.
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"""
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try:
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root = ET.parse(infile).getroot()
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except Exception as e:
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print(f"Error while loading {infile}: {e}")
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return
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marked = set()
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exclude_elems = (e for e in root if e.tag == "exclude")
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for exclude_item in exclude_elems:
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regex_string = exclude_item.get("regex")
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if not regex_string:
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continue
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self.add(regex_string)
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if exclude_item.get("marked") == "y":
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marked.add(regex_string)
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for item in marked:
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# this adds item to the Markable "marked" set
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self.mark(item)
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def save_to_xml(self, outfile):
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"""Create a XML file that can be used by load_from_xml.
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outfile can be a file object or a filename.
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"""
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root = ET.Element("exclude_list")
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for regex in self._excluded:
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exclude_node = ET.SubElement(root, "exclude")
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exclude_node.set("regex", str(regex))
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exclude_node.set("marked", ("y" if self.is_marked(regex) else "n"))
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tree = ET.ElementTree(root)
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with FileOrPath(outfile, "wb") as fp:
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tree.write(fp, encoding="utf-8")
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