Fixed the merge

1 files changed, 127 insertions, 0 deletions

diff --git a/libbe/mapfile.py b/libbe/mapfile.py
index e69de29..b959d76 100644
--- a/libbe/mapfile.py
+++ b/libbe/mapfile.py
@@ -0,0 +1,127 @@
+# Copyright (C) 2005-2009 Aaron Bentley and Panometrics, Inc.
+#                         W. Trevor King <wking@drexel.edu>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+import yaml
+import os.path
+import errno
+import utility
+import doctest
+
+class IllegalKey(Exception):
+    def __init__(self, key):
+        Exception.__init__(self, 'Illegal key "%s"' % key)
+        self.key = key
+
+class IllegalValue(Exception):
+    def __init__(self, value):
+        Exception.__init__(self, 'Illegal value "%s"' % value)
+        self.value = value 
+
+def generate(map):
+    """Generate a YAML mapfile content string.
+    >>> generate({"q":"p"})
+    'q: p\\n\\n'
+    >>> generate({"q":u"Fran\u00e7ais"})
+    'q: Fran\\xc3\\xa7ais\\n\\n'
+    >>> generate({"q":u"hello"})
+    'q: hello\\n\\n'
+    >>> generate({"q=":"p"})
+    Traceback (most recent call last):
+    IllegalKey: Illegal key "q="
+    >>> generate({"q:":"p"})
+    Traceback (most recent call last):
+    IllegalKey: Illegal key "q:"
+    >>> generate({"q\\n":"p"})
+    Traceback (most recent call last):
+    IllegalKey: Illegal key "q\\n"
+    >>> generate({"":"p"})
+    Traceback (most recent call last):
+    IllegalKey: Illegal key ""
+    >>> generate({">q":"p"})
+    Traceback (most recent call last):
+    IllegalKey: Illegal key ">q"
+    >>> generate({"q":"p\\n"})
+    Traceback (most recent call last):
+    IllegalValue: Illegal value "p\\n"
+    """
+    keys = map.keys()
+    keys.sort()
+    for key in keys:
+        try:
+            assert not key.startswith('>')
+            assert('\n' not in key)
+            assert('=' not in key)
+            assert(':' not in key)
+            assert(len(key) > 0)
+        except AssertionError:
+            raise IllegalKey(unicode(key).encode('unicode_escape'))
+        if "\n" in map[key]:
+            raise IllegalValue(unicode(map[key]).encode('unicode_escape'))
+
+    lines = []
+    for key in keys:
+        lines.append(yaml.safe_dump({key: map[key]},
+                                    default_flow_style=False,
+                                    allow_unicode=True))
+        lines.append("")
+    return '\n'.join(lines)
+
+def parse(contents):
+    """
+    Parse a YAML mapfile string.
+    >>> parse('q: p\\n\\n')['q']
+    'p'
+    >>> parse('q: \\'p\\'\\n\\n')['q']
+    'p'
+    >>> contents = generate({"a":"b", "c":"d", "e":"f"})
+    >>> dict = parse(contents)
+    >>> dict["a"]
+    'b'
+    >>> dict["c"]
+    'd'
+    >>> dict["e"]
+    'f'
+    """
+    old_format = False
+    for line in contents.splitlines():
+        if len(line.split("=")) == 2:
+            old_format = True
+            break
+    if old_format: # translate to YAML.  Hack to deal with old BE bugs.
+        newlines = []
+        for line in contents.splitlines():
+            line = line.rstrip('\n')
+            if len(line) == 0:
+                continue
+            fields = line.split("=")
+            if len(fields) == 2:
+                key,value = fields
+                newlines.append('%s: "%s"' % (key, value.replace('"','\\"')))
+            else:
+                newlines.append(line)
+        contents = '\n'.join(newlines)
+    return yaml.load(contents) or {}
+
+def map_save(rcs, path, map, allow_no_rcs=False):
+    """Save the map as a mapfile to the specified path"""
+    contents = generate(map)
+    rcs.set_file_contents(path, contents, allow_no_rcs)
+
+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()