278 lines
8.6 KiB
Python
278 lines
8.6 KiB
Python
import argparse
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import itertools
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import os
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import re
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import stat
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import sys
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import traceback
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try:
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import winshell
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except ImportError:
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winshell = None
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from voussoirkit import clipext
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from voussoirkit import expressionmatch
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from voussoirkit import pathclass
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from voussoirkit import safeprint
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from voussoirkit import spinal
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from voussoirkit import winglob
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# Thanks georg
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# http://stackoverflow.com/a/13443424
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STDIN_MODE = os.fstat(sys.stdin.fileno()).st_mode
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if stat.S_ISFIFO(STDIN_MODE):
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STDIN_MODE = 'pipe'
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else:
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STDIN_MODE = 'terminal'
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class HeaderedText:
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def __init__(self, header, text):
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self.header = header
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self.text = text
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@property
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def with_header(self):
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return f'{self.header}: {self.text}'
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def all_terms_match(search_text, terms, match_function):
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matches = (
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(not terms['yes_all'] or all(match_function(search_text, term) for term in terms['yes_all'])) and
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(not terms['yes_any'] or any(match_function(search_text, term) for term in terms['yes_any'])) and
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(not terms['not_all'] or not all(match_function(search_text, term) for term in terms['not_all'])) and
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(not terms['not_any'] or not any(match_function(search_text, term) for term in terms['not_any']))
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)
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return matches
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def search_contents_generic(filepath, content_args):
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try:
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with open(filepath.absolute_path, 'r') as handle:
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text = handle.read()
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except UnicodeDecodeError:
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try:
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with open(filepath.absolute_path, 'r', encoding='utf-8') as handle:
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text = handle.read()
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except UnicodeDecodeError:
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#safeprint.safeprint(filepath.absolute_path)
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#traceback.print_exc()
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return
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except Exception:
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safeprint.safeprint(filepath.absolute_path)
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traceback.print_exc()
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return
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content_args['text'] = text
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content_args['line_numbers'] = True
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results = search(**content_args)
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results = list(results)
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if not results:
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return
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yield filepath.absolute_path
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yield from results
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yield ''
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def search_contents_windows_lnk(filepath, content_args):
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try:
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shortcut = winshell.Shortcut(filepath.absolute_path)
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except Exception:
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return
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text = [
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HeaderedText('Target', shortcut.path),
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HeaderedText('Arguments', shortcut.arguments),
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HeaderedText('Start In', shortcut.working_directory),
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HeaderedText('Comment', shortcut.description),
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]
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content_args['text'] = text
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results = search(**content_args)
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results = list(results)
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if not results:
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return
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yield filepath.absolute_path
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yield from results
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yield ''
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def search(
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*,
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yes_all=None,
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yes_any=None,
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not_all=None,
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not_any=None,
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case_sensitive=False,
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content_args=None,
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do_expression=False,
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do_glob=False,
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do_regex=False,
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line_numbers=False,
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local_only=False,
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text=None,
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):
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terms = {
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'yes_all': yes_all,
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'yes_any': yes_any,
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'not_all': not_all,
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'not_any': not_any
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}
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terms = {k: ([v] if isinstance(v, str) else v or []) for (k, v) in terms.items()}
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#print(terms, content_args)
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do_plain = not (do_glob or do_regex)
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if all(v == [] for v in terms.values()) and not content_args:
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raise ValueError('No terms supplied')
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def term_matches(line, term):
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if not case_sensitive:
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line = line.lower()
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if do_expression:
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return term.evaluate(line)
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return (
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(do_plain and term in line) or
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(do_regex and re.search(term, line)) or
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(do_glob and winglob.fnmatch(line, term))
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)
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if do_expression:
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# The value still needs to be a list so the upcoming any() / all()
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# receives an iterable as it expects. It just happens to be 1 tree.
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trees = {}
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for (term_type, term_expression) in terms.items():
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if term_expression == []:
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trees[term_type] = []
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continue
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tree = ' '.join(term_expression)
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tree = expressionmatch.ExpressionTree.parse(tree)
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if not case_sensitive:
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tree.map(str.lower)
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trees[term_type] = [tree]
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terms = trees
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elif not case_sensitive:
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terms = {k: [x.lower() for x in v] for (k, v) in terms.items()}
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if text is None:
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search_objects = spinal.walk_generator(
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recurse=not local_only,
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yield_directories=True,
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)
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elif isinstance(text, (list, tuple)):
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search_objects = text
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else:
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search_objects = text.splitlines()
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for (index, search_object) in enumerate(search_objects):
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# if index % 10 == 0:
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# print(index, end='\r', flush=True)
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if isinstance(search_object, pathclass.Path):
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search_text = search_object.basename
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result_text = search_object.absolute_path
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elif isinstance(search_object, HeaderedText):
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search_text = search_object.text
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result_text = search_object.with_header
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else:
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search_text = search_object
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result_text = search_object
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if line_numbers:
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result_text = f'{index+1:>4} | {result_text}'
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if not all_terms_match(search_text, terms, term_matches):
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continue
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if not content_args:
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yield result_text
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continue
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filepath = pathclass.Path(search_object)
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if not filepath.is_file:
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continue
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if filepath.extension == 'lnk' and winshell:
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yield from search_contents_windows_lnk(filepath, content_args)
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else:
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yield from search_contents_generic(filepath, content_args)
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def argparse_to_dict(args):
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text = args.text
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if text is not None:
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text = clipext.resolve(text)
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elif STDIN_MODE == 'pipe':
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text = clipext.resolve('!i')
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if hasattr(args, 'content_args') and args.content_args is not None:
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content_args = argparse_to_dict(args.content_args)
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else:
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content_args = None
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return {
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'yes_all': args.yes_all,
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'yes_any': args.yes_any,
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'not_all': args.not_all,
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'not_any': args.not_any,
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'case_sensitive': args.case_sensitive,
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'content_args': content_args,
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'do_expression': args.do_expression,
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'do_glob': args.do_glob,
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'do_regex': args.do_regex,
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'local_only': args.local_only,
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'line_numbers': args.line_numbers,
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'text': text,
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}
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def search_argparse(args):
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generator = search(**argparse_to_dict(args))
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result_count = 0
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for result in generator:
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safeprint.safeprint(result)
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result_count += 1
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if args.show_count:
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print('%d items.' % result_count)
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def main(argv):
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parser = argparse.ArgumentParser()
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# The padding is inserted to guarantee that --content is not the first
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# argument. Because if it were, we wouldn't know if we have
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# [pre, '--content'] or ['--content', post], etc. and I don't want to
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# actually check the values.
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argv.insert(0, 'padding')
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grouper = itertools.groupby(argv, lambda x: x == '--content')
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halves = [list(group) for (key, group) in grouper]
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# halves looks like [pre, '--content', post]
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name_args = halves[0]
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# Pop the padding
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name_args.pop(0)
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content_args = [item for chunk in halves[2:] for item in chunk]
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parser.add_argument('yes_all', nargs='*', default=None)
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parser.add_argument('--all', dest='yes_all', nargs='+')
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parser.add_argument('--any', dest='yes_any', nargs='+')
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parser.add_argument('--not_all', dest='not_all', nargs='+')
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parser.add_argument('--not_any', dest='not_any', nargs='+')
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parser.add_argument('--case', dest='case_sensitive', action='store_true')
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parser.add_argument('--content', dest='do_content', action='store_true')
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parser.add_argument('--count', dest='show_count', action='store_true')
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parser.add_argument('--expression', dest='do_expression', action='store_true')
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parser.add_argument('--glob', dest='do_glob', action='store_true')
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parser.add_argument('--line_numbers', dest='line_numbers', action='store_true')
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parser.add_argument('--local', dest='local_only', action='store_true')
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parser.add_argument('--regex', dest='do_regex', action='store_true')
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parser.add_argument('--text', dest='text', default=None)
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parser.set_defaults(func=search_argparse)
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args = parser.parse_args(name_args)
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if content_args:
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args.content_args = parser.parse_args(content_args)
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else:
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args.content_args = None
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args.func(args)
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if __name__ == '__main__':
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raise SystemExit(main(sys.argv[1:]))
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