diff options
Diffstat (limited to 'libbe/mapfile.py')
-rw-r--r-- | libbe/mapfile.py | 84 |
1 files changed, 34 insertions, 50 deletions
diff --git a/libbe/mapfile.py b/libbe/mapfile.py index 9a7fa8b..559d713 100644 --- a/libbe/mapfile.py +++ b/libbe/mapfile.py @@ -29,28 +29,27 @@ class IllegalValue(Exception): Exception.__init__(self, 'Illegal value "%s"' % value) self.value = value -def generate(f, map, context=3): - """Generate a format-2 mapfile. This is a simpler format, but should merge - better, because there's no chance of confusion for appends, and lines - are unique for both key and value. +def generate(map, context=3): + """Generate a format-2 mapfile content string. This is a simpler + format, but should merge better, because there's no chance of + confusion for appends, and lines are unique for both key and + value. - >>> f = utility.FileString() - >>> generate(f, {"q":"p"}) - >>> f.str + >>> generate({"q":"p"}) '\\n\\n\\nq=p\\n\\n\\n\\n' - >>> generate(f, {"q=":"p"}) + >>> generate({"q=":"p"}) Traceback (most recent call last): IllegalKey: Illegal key "q=" - >>> generate(f, {"q\\n":"p"}) + >>> generate({"q\\n":"p"}) Traceback (most recent call last): IllegalKey: Illegal key "q\\n" - >>> generate(f, {"":"p"}) + >>> generate({"":"p"}) Traceback (most recent call last): IllegalKey: Illegal key "" - >>> generate(f, {">q":"p"}) + >>> generate({">q":"p"}) Traceback (most recent call last): IllegalKey: Illegal key ">q" - >>> generate(f, {"q":"p\\n"}) + >>> generate({"q":"p\\n"}) Traceback (most recent call last): IllegalValue: Illegal value "p\\n" """ @@ -68,63 +67,48 @@ def generate(f, map, context=3): if "\n" in map[key]: raise IllegalValue(map[key].encode('string_escape')) + lines = [] for key in keys: for i in range(context): - f.write("\n") - f.write("%s=%s\n" % (key.encode("utf-8"), map[key].encode("utf-8"))) + lines.append("") + lines.append("%s=%s" % (key, map[key])) for i in range(context): - f.write("\n") + lines.append("") + return '\n'.join(lines) + '\n' -def parse(f): +def parse(contents): """ - Parse a format-2 mapfile. + Parse a format-2 mapfile string. >>> parse('\\n\\n\\nq=p\\n\\n\\n\\n')['q'] - u'p' + 'p' >>> parse('\\n\\nq=\\'p\\'\\n\\n\\n\\n')['q'] - u"\'p\'" - >>> f = utility.FileString() - >>> generate(f, {"a":"b", "c":"d", "e":"f"}) - >>> dict = parse(f) + "\'p\'" + >>> contents = generate({"a":"b", "c":"d", "e":"f"}) + >>> dict = parse(contents) >>> dict["a"] - u'b' + 'b' >>> dict["c"] - u'd' + 'd' >>> dict["e"] - u'f' + 'f' """ - f = utility.get_file(f) result = {} - for line in f: - line = line.decode("utf-8").rstrip('\n') + for line in contents.splitlines(): + line = line.rstrip('\n') if len(line) == 0: continue - name,value = [f for f in line.split('=', 1)] + name,value = [field for field in line.split('=', 1)] assert not result.has_key(name) result[name] = value return result -def map_save(rcs, path, map): +def map_save(rcs, path, map, allow_no_rcs=False): """Save the map as a mapfile to the specified path""" - add = not os.path.exists(path) - output = file(path, "wb") - generate(output, map) - output.close() - if add: - rcs.add(path) - else: - rcs.update(path) + contents = generate(map) + rcs.set_file_contents(path, contents, allow_no_rcs) -class NoSuchFile(Exception): - def __init__(self, pathname): - Exception.__init__(self, "No such file: %s" % pathname) - - -def map_load(path): - try: - return parse(file(path, "rb")) - except IOError, e: - if e.errno != errno.ENOENT: - raise e - raise NoSuchFile(path) +def map_load(rcs, path, allow_no_rcs=False): + contents = rcs.get_file_contents(path, allow_no_rcs=allow_no_rcs) + return parse(contents) suite = doctest.DocTestSuite() |