Mercurial > hg
view tests/f @ 49603:3eda36e9b3d6 stable
matcher: fix issues regex flag contained in pattern (issue6759)
Python 3.11 is now enforcing that flag must be at the beginning of the regex
This creates a serious regression for people using Python 3.11 with an hgignore
using flag in a "relre" pattern.
We now detect any flags in such pattern and "prepend" our ".*" pattern after them.
In addition, we now insert the flag in the regexp to only affect the pattern we
are rewriting. Otherwise, the regex built from the combined pattern would these
flags in the middle of it anyway.
As a side effect of this last change, we fix a bug… before this change regex
flag in a pattern would affect all combined patterns. That was bad and is not
longer the case.
The Rust code needs to be updated to fix that very bug, but we will do it in
another changeset.
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
---|---|
date | Wed, 16 Nov 2022 13:05:01 +0100 |
parents | 9172bd49cedc |
children | e9d06ed64161 |
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#!/usr/bin/env python3 """ Utility for inspecting files in various ways. This tool is like the collection of tools found in a unix environment but are cross platform and stable and suitable for our needs in the test suite. This can be used instead of tools like: [ dd find head hexdump ls md5sum readlink sha1sum stat tail test readlink.py md5sum.py """ import binascii import glob import hashlib import optparse import os import re import sys # Python 3 adapters ispy3 = sys.version_info[0] >= 3 if ispy3: def iterbytes(s): for i in range(len(s)): yield s[i : i + 1] else: iterbytes = iter def visit(opts, filenames, outfile): """Process filenames in the way specified in opts, writing output to outfile.""" for f in sorted(filenames): isstdin = f == '-' if not isstdin and not os.path.lexists(f): outfile.write(b'%s: file not found\n' % f.encode('utf-8')) continue quiet = opts.quiet and not opts.recurse or isstdin isdir = os.path.isdir(f) islink = os.path.islink(f) isfile = os.path.isfile(f) and not islink dirfiles = None content = None facts = [] if isfile: if opts.type: facts.append(b'file') needs_reading = ( opts.hexdump, opts.dump, opts.md5, opts.sha1, opts.raw_sha1, opts.sha256, ) if any(needs_reading): with open(f, 'rb') as fobj: content = fobj.read() elif islink: if opts.type: facts.append(b'link') content = os.readlink(f).encode('utf8') elif isstdin: content = getattr(sys.stdin, 'buffer', sys.stdin).read() if opts.size: facts.append(b'size=%d' % len(content)) elif isdir: if opts.recurse or opts.type: dirfiles = glob.glob(f + '/*') facts.append(b'directory with %d files' % len(dirfiles)) elif opts.type: facts.append(b'type unknown') if not isstdin: stat = os.lstat(f) if opts.size and not isdir: facts.append(b'size=%d' % stat.st_size) if opts.mode and not islink: facts.append(b'mode=%o' % (stat.st_mode & 0o777)) if opts.links: facts.append(b'links=%d' % stat.st_nlink) if opts.newer: # mtime might be in whole seconds so newer file might be same if stat.st_mtime >= os.stat(opts.newer).st_mtime: facts.append( b'newer than %s' % opts.newer.encode('utf8', 'replace') ) else: facts.append( b'older than %s' % opts.newer.encode('utf8', 'replace') ) if opts.md5 and content is not None: h = hashlib.md5(content) facts.append(b'md5=%s' % binascii.hexlify(h.digest())[: opts.bytes]) if opts.raw_sha1 and content is not None: h = hashlib.sha1(content) facts.append(b'raw-sha1=%s' % h.digest()[: opts.bytes]) if opts.sha1 and content is not None: h = hashlib.sha1(content) facts.append( b'sha1=%s' % binascii.hexlify(h.digest())[: opts.bytes] ) if opts.sha256 and content is not None: h = hashlib.sha256(content) facts.append( b'sha256=%s' % binascii.hexlify(h.digest())[: opts.bytes] ) if isstdin: outfile.write(b', '.join(facts) + b'\n') elif facts: outfile.write(b'%s: %s\n' % (f.encode('utf-8'), b', '.join(facts))) elif not quiet: outfile.write(b'%s:\n' % f.encode('utf-8')) if content is not None: chunk = content if not islink: if opts.lines: if opts.lines >= 0: chunk = b''.join(chunk.splitlines(True)[: opts.lines]) else: chunk = b''.join(chunk.splitlines(True)[opts.lines :]) if opts.bytes: if opts.bytes >= 0: chunk = chunk[: opts.bytes] else: chunk = chunk[opts.bytes :] if opts.hexdump: for i in range(0, len(chunk), 16): s = chunk[i : i + 16] outfile.write( b'%04x: %-47s |%s|\n' % ( i, b' '.join(b'%02x' % ord(c) for c in iterbytes(s)), re.sub(b'[^ -~]', b'.', s), ) ) if opts.dump: if not quiet: outfile.write(b'>>>\n') outfile.write(chunk) if not quiet: if chunk.endswith(b'\n'): outfile.write(b'<<<\n') else: outfile.write(b'\n<<< no trailing newline\n') if opts.recurse and dirfiles: assert not isstdin visit(opts, dirfiles, outfile) if __name__ == "__main__": parser = optparse.OptionParser("%prog [options] [filenames]") parser.add_option( "-t", "--type", action="store_true", help="show file type (file or directory)", ) parser.add_option( "-m", "--mode", action="store_true", help="show file mode" ) parser.add_option( "-l", "--links", action="store_true", help="show number of links" ) parser.add_option( "-s", "--size", action="store_true", help="show size of file" ) parser.add_option( "-n", "--newer", action="store", help="check if file is newer (or same)" ) parser.add_option( "-r", "--recurse", action="store_true", help="recurse into directories" ) parser.add_option( "-S", "--sha1", action="store_true", help="show sha1 hash of the content", ) parser.add_option( "", "--raw-sha1", action="store_true", help="show raw bytes of the sha1 hash of the content", ) parser.add_option( "", "--sha256", action="store_true", help="show sha256 hash of the content", ) parser.add_option( "-M", "--md5", action="store_true", help="show md5 hash of the content" ) parser.add_option( "-D", "--dump", action="store_true", help="dump file content" ) parser.add_option( "-H", "--hexdump", action="store_true", help="hexdump file content" ) parser.add_option( "-B", "--bytes", type="int", help="number of characters to dump" ) parser.add_option( "-L", "--lines", type="int", help="number of lines to dump" ) parser.add_option( "-q", "--quiet", action="store_true", help="no default output" ) (opts, filenames) = parser.parse_args(sys.argv[1:]) if not filenames: filenames = ['-'] visit(opts, filenames, getattr(sys.stdout, 'buffer', sys.stdout))