Mercurial > hg
view tests/f @ 46580:2076df13d00f
copies-rust: refactor the "deletion" case
We rearrange the code to single out the case where information need to be
overwritten on both side of the merge. This open the way to better dealing with
this case.
Differential Revision: https://phab.mercurial-scm.org/D9651
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
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date | Wed, 16 Dec 2020 10:59:00 +0100 |
parents | c102b704edb5 |
children | 6000f5b25c9b |
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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 """ from __future__ import absolute_import 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') if any((opts.hexdump, opts.dump, opts.md5, opts.sha1, opts.sha256)): 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.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( "", "--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))