tools: Remove duplicate lister.py
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derAnfaenger
parent
5ecc26886a
commit
9ddb5518f4
131
tools/lister.py
131
tools/lister.py
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@ -1,131 +0,0 @@
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#!/usr/bin/env python
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from __future__ import print_function
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from __future__ import absolute_import
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import os
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from os.path import abspath
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import sys
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import subprocess
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import re
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from collections import defaultdict
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import argparse
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from six.moves import filter
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from typing import Union, List, Dict
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def get_ftype(fpath, use_shebang):
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# type: (str, bool) -> str
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ext = os.path.splitext(fpath)[1]
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if ext:
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return ext[1:]
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elif use_shebang:
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# opening a file may throw an OSError
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with open(fpath) as f:
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first_line = f.readline()
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if re.search(r'^#!.*\bpython', first_line):
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return 'py'
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elif re.search(r'^#!.*sh', first_line):
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return 'sh'
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elif re.search(r'^#!.*\bperl', first_line):
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return 'pl'
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elif re.search(r'^#!.*\bnode', first_line):
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return 'js'
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elif re.search(r'^#!.*\bruby', first_line):
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return 'rb'
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elif re.search(r'^#!', first_line):
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print('Error: Unknown shebang in file "%s":\n%s' % (fpath, first_line), file=sys.stderr)
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return ''
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else:
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return ''
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else:
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return ''
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def list_files(targets=[], ftypes=[], use_shebang=True, modified_only=False,
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exclude=[], group_by_ftype=False, extless_only=False):
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# type: (List[str], List[str], bool, bool, List[str], bool, bool) -> Union[Dict[str, List[str]], List[str]]
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"""
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List files tracked by git.
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Returns a list of files which are either in targets or in directories in targets.
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If targets is [], list of all tracked files in current directory is returned.
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Other arguments:
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ftypes - List of file types on which to filter the search.
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If ftypes is [], all files are included.
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use_shebang - Determine file type of extensionless files from their shebang.
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modified_only - Only include files which have been modified.
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exclude - List of paths to be excluded, relative to repository root.
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group_by_ftype - If True, returns a dict of lists keyed by file type.
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If False, returns a flat list of files.
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extless_only - Only include extensionless files in output.
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"""
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ftypes = [x.strip('.') for x in ftypes]
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ftypes_set = set(ftypes)
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# Really this is all bytes -- it's a file path -- but we get paths in
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# sys.argv as str, so that battle is already lost. Settle for hoping
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# everything is UTF-8.
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repository_root = subprocess.check_output(['git', 'rev-parse', '--show-toplevel']).strip().decode('utf-8')
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exclude_abspaths = [os.path.normpath(os.path.join(repository_root, fpath)) for fpath in exclude]
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cmdline = ['git', 'ls-files'] + targets
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if modified_only:
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cmdline.append('-m')
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files_gen = (x.strip() for x in subprocess.check_output(cmdline, universal_newlines=True).split('\n'))
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# throw away empty lines and non-files (like symlinks)
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files = list(filter(os.path.isfile, files_gen))
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result_dict = defaultdict(list) # type: Dict[str, List[str]]
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result_list = [] # type: List[str]
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for fpath in files:
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# this will take a long time if exclude is very large
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ext = os.path.splitext(fpath)[1]
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if extless_only and ext:
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continue
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absfpath = abspath(fpath)
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if any(absfpath == expath or absfpath.startswith(expath + '/')
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for expath in exclude_abspaths):
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continue
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if ftypes or group_by_ftype:
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try:
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filetype = get_ftype(fpath, use_shebang)
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except (OSError, UnicodeDecodeError) as e:
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etype = e.__class__.__name__
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print('Error: %s while determining type of file "%s":' % (etype, fpath), file=sys.stderr)
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print(e, file=sys.stderr)
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filetype = ''
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if ftypes and filetype not in ftypes_set:
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continue
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if group_by_ftype:
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result_dict[filetype].append(fpath)
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else:
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result_list.append(fpath)
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if group_by_ftype:
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return result_dict
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else:
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return result_list
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if __name__ == "__main__":
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parser = argparse.ArgumentParser(description="List files tracked by git and optionally filter by type")
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parser.add_argument('targets', nargs='*', default=[],
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help='''files and directories to include in the result.
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If this is not specified, the current directory is used''')
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parser.add_argument('-m', '--modified', action='store_true', default=False, help='list only modified files')
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parser.add_argument('-f', '--ftypes', nargs='+', default=[],
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help="list of file types to filter on. All files are included if this option is absent")
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parser.add_argument('--ext-only', dest='extonly', action='store_true', default=False,
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help='only use extension to determine file type')
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parser.add_argument('--exclude', nargs='+', default=[],
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help='list of files and directories to exclude from results, relative to repo root')
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parser.add_argument('--extless-only', dest='extless_only', action='store_true', default=False,
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help='only include extensionless files in output')
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args = parser.parse_args()
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listing = list_files(targets=args.targets, ftypes=args.ftypes, use_shebang=not args.extonly,
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modified_only=args.modified, exclude=args.exclude, extless_only=args.extless_only)
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for l in listing:
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print(l)
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@ -8,7 +8,7 @@ import sys
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import argparse
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import subprocess
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import lister
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from server_lib import lister
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from typing import cast, Dict, List
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TOOLS_DIR = os.path.dirname(os.path.abspath(__file__))
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