109 строки
4.2 KiB
Python
109 строки
4.2 KiB
Python
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# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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# check-sync-dirs.py --- check that one directory is an exact subset of another
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#
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# Usage: python check-sync-dirs.py COPY ORIGINAL
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#
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# Check that the files present in the directory tree COPY are exact
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# copies of their counterparts in the directory tree ORIGINAL. COPY
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# need not have all the files in ORIGINAL, but COPY may not have files
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# absent from ORIGINAL.
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#
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# Each directory in COPY may have a file named
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# 'check-sync-exceptions', which lists files in COPY that need not be
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# the same as the corresponding file in ORIGINAL, or exist at all in
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# ORIGINAL. (The 'check-sync-exceptions' file itself is always
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# treated as exceptional.) Blank lines and '#' comments in the file
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# are ignored.
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import sys
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import os
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from os.path import join
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import filecmp
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import textwrap
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import fnmatch
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if len(sys.argv) != 3:
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print >> sys.stderr, 'TEST-UNEXPECTED-FAIL | check-sync-dirs.py | Usage: %s COPY ORIGINAL' % sys.argv[0]
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sys.exit(1)
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copy = os.path.abspath(sys.argv[1])
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original = os.path.abspath(sys.argv[2])
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# Return the contents of FILENAME, a 'check-sync-exceptions' file, as
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# a dictionary whose keys are exactly the list of filenames, along
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# with the basename of FILENAME itself. If FILENAME does not exist,
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# return the empty dictionary.
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def read_exceptions(filename):
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if (os.path.exists(filename)):
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f = file(filename)
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exceptions = {}
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for line in f:
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line = line.strip()
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if line != '' and line[0] != '#':
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exceptions[line] = None
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exceptions[os.path.basename (filename)] = None
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f.close()
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return exceptions
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else:
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return {}
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# Return true if FILENAME matches any pattern in the list of filename
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# patterns PATTERNS.
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def fnmatch_any(filename, patterns):
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for pattern in patterns:
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if fnmatch.fnmatch(filename, pattern):
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return True
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return False
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# Check the contents of the directory tree COPY against ORIGINAL. For each
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# file that differs, apply REPORT to COPY, ORIGINAL, and the file's
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# relative path. COPY and ORIGINAL should be absolute. Ignore files
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# that match patterns given in the list IGNORE.
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def check(copy, original):
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os.chdir(copy)
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for (dirpath, dirnames, filenames) in os.walk('.'):
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exceptions = read_exceptions(join(dirpath, 'check-sync-exceptions'))
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for dirname in dirnames:
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if fnmatch_any(dirname, exceptions):
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dirnames.remove(dirname)
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break
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for filename in filenames:
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if fnmatch_any(filename, exceptions):
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continue
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relative_name = join(dirpath, filename)
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original_name = join(original, relative_name)
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if (os.path.exists(original_name)
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and filecmp.cmp(relative_name, original_name, False)):
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continue
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report(copy, original, relative_name)
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differences_found = False
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# Print an error message for DIFFERING, which was found to differ
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# between COPY and ORIGINAL. Set the global variable differences_found.
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def report(copy, original, differing):
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global differences_found
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if not differences_found:
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print >> sys.stderr, 'TEST-UNEXPECTED-FAIL | check-sync-dirs.py | build file copies are not in sync\n' \
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'TEST-INFO | check-sync-dirs.py | file(s) found in: %s\n' \
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'TEST-INFO | check-sync-dirs.py | differ from their originals in: %s' \
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% (copy, original)
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print >> sys.stderr, 'TEST-INFO | check-sync-dirs.py | differing file: %s' % differing
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differences_found = True
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check(copy, original)
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if differences_found:
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msg = '''In general, the files in '%s' should always be exact copies of
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originals in '%s'. A change made to one should also be made to the
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other. See 'check-sync-dirs.py' for more details.''' \
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% (copy, original)
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print >> sys.stderr, textwrap.fill(msg, 75)
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sys.exit(1)
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print >> sys.stderr, 'TEST-PASS | check-sync-dirs.py | %s <= %s' % (copy, original)
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sys.exit(0)
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