/usr/lib/python2.7/dist-packages/toml.py is in python-toml 0.9.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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import datetime, decimal, re
class TomlTz(datetime.tzinfo):
def __new__(self, toml_offset):
self._raw_offset = toml_offset
self._hours = int(toml_offset[:3])
self._minutes = int(toml_offset[4:6])
def tzname(self, dt):
return "UTC"+self._raw_offset
def utcoffset(self, dt):
return datetime.timedelta(hours=self._hours, minutes=self._minutes)
try:
_range = xrange
except NameError:
unicode = str
_range = range
basestring = str
unichr = chr
def load(f, _dict=dict):
"""Returns a dictionary containing the named file parsed as toml."""
if isinstance(f, basestring):
with open(f) as ffile:
return loads(ffile.read(), _dict)
elif isinstance(f, list):
for l in f:
if not isinstance(l, basestring):
raise Exception("Load expects a list to contain filenames only")
d = _dict()
for l in f:
d.append(load(l))
r = _dict()
for l in d:
toml_merge_dict(r, l)
return r
elif f.read:
return loads(f.read(), _dict)
else:
raise Exception("You can only load a file descriptor, filename or list")
def loads(s, _dict=dict):
"""Returns a dictionary containing s, a string, parsed as toml."""
implicitgroups = []
retval = _dict()
currentlevel = retval
if isinstance(s, basestring):
try:
s.decode('utf8')
except AttributeError:
pass
sl = list(s)
openarr = 0
openstring = False
openstrchar = ""
multilinestr = False
arrayoftables = False
beginline = True
keygroup = False
keyname = 0
delnum = 1
for i in range(len(sl)):
if sl[i] == '\r' and sl[i+1] == '\n':
sl[i] = ' '
continue
if keyname:
if sl[i] == '\n':
raise Exception("Key name found without value. Reached end of line.")
if openstring:
if sl[i] == openstrchar:
keyname = 2
openstring = False
openstrchar = ""
continue
elif keyname == 1:
if sl[i].isspace():
keyname = 2
continue
elif sl[i].isalnum() or sl[i] == '_' or sl[i] == '-':
continue
elif keyname == 2 and sl[i].isspace():
continue
if sl[i] == '=':
keyname = 0
else:
raise Exception("Found invalid character in key name: '"+sl[i]+"'. Try quoting the key name.")
if sl[i] == "'" and openstrchar != '"':
k = 1
try:
while sl[i-k] == "'":
k += 1
if k == 3:
break
except IndexError:
pass
if k == 3:
multilinestr = not multilinestr
openstring = multilinestr
else:
openstring = not openstring
if openstring:
openstrchar = "'"
else:
openstrchar = ""
if sl[i] == '"' and openstrchar != "'":
oddbackslash = False
k = 1
tripquote = False
try:
while sl[i-k] == '"':
k += 1
if k == 3:
tripquote = True
break
while sl[i-k] == '\\':
oddbackslash = not oddbackslash
k += 1
except IndexError:
pass
if not oddbackslash:
if tripquote:
multilinestr = not multilinestr
openstring = multilinestr
else:
openstring = not openstring
if openstring:
openstrchar = '"'
else:
openstrchar = ""
if sl[i] == '#' and not openstring and not keygroup and \
not arrayoftables:
j = i
try:
while sl[j] != '\n':
sl.insert(j, ' ')
sl.pop(j+1)
j += 1
except IndexError:
break
if sl[i] == '[' and not openstring and not keygroup and \
not arrayoftables:
if beginline:
if sl[i+1] == '[':
arrayoftables = True
else:
keygroup = True
else:
openarr += 1
if sl[i] == ']' and not openstring:
if keygroup:
keygroup = False
elif arrayoftables:
if sl[i-1] == ']':
arrayoftables = False
else:
openarr -= 1
if sl[i] == '\n':
if openstring or multilinestr:
if not multilinestr:
raise Exception("Unbalanced quotes")
if sl[i-1] == "'" or sl[i-1] == '"':
sl.insert(i, sl[i-1])
sl.pop(i+1)
sl[i-3] = ' '
elif openarr:
sl.insert(i, ' ')
sl.pop(i+1)
else:
beginline = True
elif beginline and sl[i] != ' ' and sl[i] != '\t':
beginline = False
if not keygroup and not arrayoftables:
if sl[i] == '=':
raise Exception("Found empty keyname. ")
keyname = 1
s = ''.join(sl)
s = s.split('\n')
else:
raise Exception("What exactly are you trying to pull?")
multikey = None
multilinestr = ""
multibackslash = False
for line in s:
line = line.strip()
if multikey:
if multibackslash:
strippedline = line.lstrip(' \t\n')
if strippedline == '':
continue
multilinestr += strippedline
else:
multilinestr += line
multibackslash = False
if len(line) > 2 and line[-1] == multilinestr[0] and \
line[-2] == multilinestr[0] and line[-3] == multilinestr[0]:
value, vtype = load_value(multilinestr)
currentlevel[multikey] = value
multikey = None
multilinestr = ""
else:
k = len(multilinestr) -1
while k > -1 and multilinestr[k] == '\\':
multibackslash = not multibackslash
k -= 1
if multibackslash:
multilinestr = multilinestr[:-1]
else:
multilinestr += "\n"
continue
if line == "":
continue
if line[0] == '[':
arrayoftables = False
if line[1] == '[':
arrayoftables = True
line = line[2:].split(']]', 1)
else:
line = line[1:].split(']', 1)
if line[1].strip() != "":
raise Exception("Key group not on a line by itself.")
groups = line[0].split('.')
i = 0
while i < len(groups):
groups[i] = groups[i].strip()
if groups[i][0] == '"' or groups[i][0] == "'":
groupstr = groups[i]
j = i+1
while not groupstr[0] == groupstr[-1]:
j += 1
groupstr = '.'.join(groups[i:j])
groups[i] = groupstr[1:-1]
j -= 1
while j > i:
groups.pop(j)
j -= 1
else:
if not re.match(r'^[A-Za-z0-9_-]+$', groups[i]):
raise Exception("Invalid group name '"+groups[i]+"'. Try quoting it.")
i += 1
currentlevel = retval
for i in range(len(groups)):
group = groups[i]
if group == "":
raise Exception("Can't have a keygroup with an empty name")
try:
currentlevel[group]
if i == len(groups) - 1:
if group in implicitgroups:
implicitgroups.remove(group)
if arrayoftables:
raise Exception("An implicitly defined table can't be an array")
elif arrayoftables:
currentlevel[group].append(_dict())
else:
raise Exception("What? "+group+" already exists?"+str(currentlevel))
except TypeError:
if i != len(groups) - 1:
implicitgroups.append(group)
currentlevel = currentlevel[-1]
try:
currentlevel[group]
except KeyError:
currentlevel[group] = _dict()
if i == len(groups) - 1 and arrayoftables:
currentlevel[group] = [_dict()]
except KeyError:
if i != len(groups) - 1:
implicitgroups.append(group)
currentlevel[group] = _dict()
if i == len(groups) - 1 and arrayoftables:
currentlevel[group] = [_dict()]
currentlevel = currentlevel[group]
if arrayoftables:
try:
currentlevel = currentlevel[-1]
except KeyError:
pass
elif "=" in line:
i = 1
pair = line.split('=', i)
if re.match(r'^[0-9]', pair[-1]):
pair[-1] = re.sub(r'([0-9])_(?=[0-9])', r'\1', pair[-1])
l = len(line)
while pair[-1][0] != ' ' and pair[-1][0] != '\t' and \
pair[-1][0] != "'" and pair[-1][0] != '"' and \
pair[-1][0] != '[' and pair[-1] != 'true' and \
pair[-1] != 'false':
try:
float(pair[-1])
break
except ValueError:
pass
if load_date(pair[-1]) != None:
break
i += 1
prev_val = pair[-1]
pair = line.split('=', i)
if re.match(r'^[0-9]', pair[-1]):
pair[-1] = re.sub(r'([0-9])_(?=[0-9])', r'\1', pair[-1])
if prev_val == pair[-1]:
raise Exception("Invalid date or number")
newpair = []
newpair.append('='.join(pair[:-1]))
newpair.append(pair[-1])
pair = newpair
pair[0] = pair[0].strip()
if (pair[0][0] == '"' or pair[0][0] == "'") and \
(pair[0][-1] == '"' or pair[0][-1] == "'"):
pair[0] = pair[0][1:-1]
pair[1] = pair[1].strip()
if len(pair[1]) > 2 and (pair[1][0] == '"' or pair[1][0] == "'") \
and pair[1][1] == pair[1][0] and pair[1][2] == pair[1][0] \
and not (len(pair[1]) > 5 and pair[1][-1] == pair[1][0] \
and pair[1][-2] == pair[1][0] and \
pair[1][-3] == pair[1][0]):
k = len(pair[1]) -1
while k > -1 and pair[1][k] == '\\':
multibackslash = not multibackslash
k -= 1
if multibackslash:
multilinestr = pair[1][:-1]
else:
multilinestr = pair[1] + "\n"
multikey = pair[0]
else:
value, vtype = load_value(pair[1])
try:
currentlevel[pair[0]]
raise Exception("Duplicate keys!")
except KeyError:
if multikey:
continue
else:
currentlevel[pair[0]] = value
return retval
def load_date(val):
microsecond = 0
tz = None
if len(val) > 19 and val[19] == '.':
microsecond = int(val[20:26])
if len(val) > 26:
tz = TomlTz(val[26:31])
elif len(val) > 20:
tz = TomlTz(val[19:24])
try:
d = datetime.datetime(int(val[:4]), int(val[5:7]), int(val[8:10]), int(val[11:13]), int(val[14:16]), int(val[17:19]), microsecond, tz)
except ValueError:
return None
return d
def load_unicode_escapes(v, hexbytes, prefix):
hexchars = ['0', '1', '2', '3', '4', '5', '6', '7',
'8', '9', 'a', 'b', 'c', 'd', 'e', 'f']
skip = False
i = len(v) - 1
while i > -1 and v[i] == '\\':
skip = not skip
i -= 1
for hx in hexbytes:
if skip:
skip = False
i = len(hx) - 1
while i > -1 and hx[i] == '\\':
skip = not skip
i -= 1
v += prefix
v += hx
continue
hxb = ""
i = 0
hxblen = 4
if prefix == "\\U":
hxblen = 8
while i < hxblen:
try:
if not hx[i].lower() in hexchars:
raise IndexError("This is a hack")
except IndexError:
raise Exception("Invalid escape sequence")
hxb += hx[i].lower()
i += 1
v += unichr(int(hxb, 16))
v += unicode(hx[len(hxb):])
return v
def load_value(v):
if v == 'true':
return (True, "bool")
elif v == 'false':
return (False, "bool")
elif v[0] == '"':
testv = v[1:].split('"')
if testv[0] == '' and testv[1] == '':
testv = testv[2:-2]
closed = False
for tv in testv:
if tv == '':
closed = True
else:
oddbackslash = False
try:
i = -1
j = tv[i]
while j == '\\':
oddbackslash = not oddbackslash
i -= 1
j = tv[i]
except IndexError:
pass
if not oddbackslash:
if closed:
raise Exception("Stuff after closed string. WTF?")
else:
closed = True
escapes = ['0', 'b', 'f', 'n', 'r', 't', '"', '\\']
escapedchars = ['\0', '\b', '\f', '\n', '\r', '\t', '\"', '\\']
escapeseqs = v.split('\\')[1:]
backslash = False
for i in escapeseqs:
if i == '':
backslash = not backslash
else:
if i[0] not in escapes and i[0] != 'u' and i[0] != 'U' and \
not backslash:
raise Exception("Reserved escape sequence used")
if backslash:
backslash = False
for prefix in ["\\u", "\\U"]:
if prefix in v:
hexbytes = v.split(prefix)
v = load_unicode_escapes(hexbytes[0], hexbytes[1:], prefix)
for i in range(len(escapes)):
if escapes[i] == '\\':
v = v.replace("\\"+escapes[i], escapedchars[i])
else:
v = re.sub("([^\\\\](\\\\\\\\)*)\\\\"+escapes[i], "\\1"+escapedchars[i], v)
if v[1] == '"':
v = v[2:-2]
return (v[1:-1], "str")
elif v[0] == "'":
if v[1] == "'":
v = v[2:-2]
return (v[1:-1], "str")
elif v[0] == '[':
return (load_array(v), "array")
else:
parsed_date = load_date(v)
if parsed_date != None:
return (parsed_date, "date")
else:
itype = "int"
digits = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9']
neg = False
if v[0] == '-':
neg = True
v = v[1:]
if '.' in v or 'e' in v:
if v.split('.', 1)[1] == '':
raise Exception("This float is missing digits after the point")
if v[0] not in digits:
raise Exception("This float doesn't have a leading digit")
v = float(v)
itype = "float"
else:
v = int(v)
if neg:
return (0 - v, itype)
return (v, itype)
def load_array(a):
atype = None
retval = []
a = a.strip()
if '[' not in a[1:-1]:
strarray = False
tmpa = a[1:-1].strip()
if tmpa != '' and tmpa[0] == '"':
strarray = True
a = a[1:-1].split(',')
b = 0
if strarray:
while b < len(a) - 1:
while a[b].strip()[-1] != '"' and a[b+1].strip()[0] != '"':
a[b] = a[b] + ',' + a[b+1]
if b < len(a) - 2:
a = a[:b+1] + a[b+2:]
else:
a = a[:b+1]
b += 1
else:
al = list(a[1:-1])
a = []
openarr = 0
j = 0
for i in range(len(al)):
if al[i] == '[':
openarr += 1
elif al[i] == ']':
openarr -= 1
elif al[i] == ',' and not openarr:
a.append(''.join(al[j:i]))
j = i+1
a.append(''.join(al[j:]))
for i in range(len(a)):
a[i] = a[i].strip()
if a[i] != '':
nval, ntype = load_value(a[i])
if atype:
if ntype != atype:
raise Exception("Not a homogeneous array")
else:
atype = ntype
retval.append(nval)
return retval
def dump(o, f):
"""Writes out to f the toml corresponding to o. Returns said toml."""
if f.write:
d = dumps(o)
f.write(d)
return d
else:
raise Exception("You can only dump an object to a file descriptor")
def dumps(o):
"""Returns a string containing the toml corresponding to o, a dictionary"""
retval = ""
addtoretval, sections = dump_sections(o, "")
retval += addtoretval
while sections != {}:
newsections = {}
for section in sections:
addtoretval, addtosections = dump_sections(sections[section], section)
if addtoretval:
retval += "["+section+"]\n"
retval += addtoretval
for s in addtosections:
newsections[section+"."+s] = addtosections[s]
sections = newsections
return retval
def dump_sections(o, sup):
retstr = ""
if sup != "" and sup[-1] != ".":
sup += '.'
retdict = {}
arraystr = ""
for section in o:
qsection = section
if not re.match(r'^[A-Za-z0-9_-]+$', section):
if '"' in section:
qsection = "'" + section + "'"
else:
qsection = '"' + section + '"'
if not isinstance(o[section], dict):
arrayoftables = False
if isinstance(o[section], list):
for a in o[section]:
if isinstance(a, dict):
arrayoftables = True
if arrayoftables:
for a in o[section]:
arraytabstr = ""
arraystr += "[["+sup+qsection+"]]\n"
s, d = dump_sections(a, sup+qsection)
if s:
if s[0] == "[":
arraytabstr += s
else:
arraystr += s
while d != {}:
newd = {}
for dsec in d:
s1, d1 = dump_sections(d[dsec], sup+qsection+"."+dsec)
if s1:
arraytabstr += "["+sup+qsection+"."+dsec+"]\n"
arraytabstr += s1
for s1 in d1:
newd[dsec+"."+s1] = d1[s1]
d = newd
arraystr += arraytabstr
else:
if o[section] is not None:
retstr += (qsection + " = " +
str(dump_value(o[section])) + '\n')
else:
retdict[qsection] = o[section]
retstr += arraystr
return (retstr, retdict)
def dump_value(v):
if isinstance(v, list):
t = []
retval = "["
for u in v:
t.append(dump_value(u))
while t != []:
s = []
for u in t:
if isinstance(u, list):
for r in u:
s.append(r)
else:
retval += " " + str(u) + ","
t = s
retval += "]"
return retval
if isinstance(v, (str, unicode)):
v = "%r" % v
if v[0] == 'u':
v = v[1:]
singlequote = v[0] == "'"
v = v[1:-1]
if singlequote:
v = v.replace("\\'", "'")
v = v.replace('"', '\\"')
v = v.replace("\\x", "\\u00")
return str('"'+v+'"')
if isinstance(v, bool):
return str(v).lower()
if isinstance(v, datetime.datetime):
return v.isoformat()[:19]+'Z'
if isinstance(v, float):
return str(v)
return v
def toml_merge_dict(a, b):
for k in a:
if isinstance(a[k], dict):
try:
b[k]
except KeyError:
continue
if isinstance(b[k], dict):
b[k] = toml_merge_dict(a[k], b[k])
else:
raise Exception("Can't merge dict and nondict in toml object")
a.update(b)
return a
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