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stbi/Lib/site-packages/pip/_vendor/toml.py 0 → 100644
"""Python module which parses and emits TOML.
Released under the MIT license.
"""
import re
import io
import datetime
from os import linesep
import sys
__version__ = "0.9.6"
_spec_ = "0.4.0"
class TomlDecodeError(Exception):
"""Base toml Exception / Error."""
pass
class TomlTz(datetime.tzinfo):
def __init__(self, toml_offset):
if toml_offset == "Z":
self._raw_offset = "+00:00"
else:
self._raw_offset = toml_offset
self._sign = -1 if self._raw_offset[0] == '-' else 1
self._hours = int(self._raw_offset[1:3])
self._minutes = int(self._raw_offset[4:6])
def tzname(self, dt):
return "UTC" + self._raw_offset
def utcoffset(self, dt):
return self._sign * datetime.timedelta(hours=self._hours,
minutes=self._minutes)
def dst(self, dt):
return datetime.timedelta(0)
class InlineTableDict(object):
"""Sentinel subclass of dict for inline tables."""
def _get_empty_inline_table(_dict):
class DynamicInlineTableDict(_dict, InlineTableDict):
"""Concrete sentinel subclass for inline tables.
It is a subclass of _dict which is passed in dynamically at load time
It is also a subclass of InlineTableDict
"""
return DynamicInlineTableDict()
try:
_range = xrange
except NameError:
unicode = str
_range = range
basestring = str
unichr = chr
try:
FNFError = FileNotFoundError
except NameError:
FNFError = IOError
def load(f, _dict=dict):
"""Parses named file or files as toml and returns a dictionary
Args:
f: Path to the file to open, array of files to read into single dict
or a file descriptor
_dict: (optional) Specifies the class of the returned toml dictionary
Returns:
Parsed toml file represented as a dictionary
Raises:
TypeError -- When f is invalid type
TomlDecodeError: Error while decoding toml
IOError / FileNotFoundError -- When an array with no valid (existing)
(Python 2 / Python 3) file paths is passed
"""
if isinstance(f, basestring):
with io.open(f, encoding='utf-8') as ffile:
return loads(ffile.read(), _dict)
elif isinstance(f, list):
from os import path as op
from warnings import warn
if not [path for path in f if op.exists(path)]:
error_msg = "Load expects a list to contain filenames only."
error_msg += linesep
error_msg += ("The list needs to contain the path of at least one "
"existing file.")
raise FNFError(error_msg)
d = _dict()
for l in f:
if op.exists(l):
d.update(load(l))
else:
warn("Non-existent filename in list with at least one valid "
"filename")
return d
else:
try:
return loads(f.read(), _dict)
except AttributeError:
raise TypeError("You can only load a file descriptor, filename or "
"list")
_groupname_re = re.compile(r'^[A-Za-z0-9_-]+$')
def loads(s, _dict=dict):
"""Parses string as toml
Args:
s: String to be parsed
_dict: (optional) Specifies the class of the returned toml dictionary
Returns:
Parsed toml file represented as a dictionary
Raises:
TypeError: When a non-string is passed
TomlDecodeError: Error while decoding toml
"""
implicitgroups = []
retval = _dict()
currentlevel = retval
if not isinstance(s, basestring):
raise TypeError("Expecting something like a string")
if not isinstance(s, unicode):
s = s.decode('utf8')
sl = list(s)
openarr = 0
openstring = False
openstrchar = ""
multilinestr = False
arrayoftables = False
beginline = True
keygroup = False
keyname = 0
for i, item in enumerate(sl):
if item == '\r' and sl[i + 1] == '\n':
sl[i] = ' '
continue
if keyname:
if item == '\n':
raise TomlDecodeError("Key name found without value."
" Reached end of line.")
if openstring:
if item == openstrchar:
keyname = 2
openstring = False
openstrchar = ""
continue
elif keyname == 1:
if item.isspace():
keyname = 2
continue
elif item.isalnum() or item == '_' or item == '-':
continue
elif keyname == 2 and item.isspace():
continue
if item == '=':
keyname = 0
else:
raise TomlDecodeError("Found invalid character in key name: '" +
item + "'. Try quoting the key name.")
if item == "'" 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 item == '"' and openstrchar != "'":
oddbackslash = False
k = 1
tripquote = False
try:
while sl[i - k] == '"':
k += 1
if k == 3:
tripquote = True
break
if k == 1 or (k == 3 and tripquote):
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 item == '#' and (not openstring and not keygroup and
not arrayoftables):
j = i
try:
while sl[j] != '\n':
sl[j] = ' '
j += 1
except IndexError:
break
if item == '[' and (not openstring and not keygroup and
not arrayoftables):
if beginline:
if len(sl) > i + 1 and sl[i + 1] == '[':
arrayoftables = True
else:
keygroup = True
else:
openarr += 1
if item == ']' and not openstring:
if keygroup:
keygroup = False
elif arrayoftables:
if sl[i - 1] == ']':
arrayoftables = False
else:
openarr -= 1
if item == '\n':
if openstring or multilinestr:
if not multilinestr:
raise TomlDecodeError("Unbalanced quotes")
if ((sl[i - 1] == "'" or sl[i - 1] == '"') and (
sl[i - 2] == sl[i - 1])):
sl[i] = sl[i - 1]
if sl[i - 3] == sl[i - 1]:
sl[i - 3] = ' '
elif openarr:
sl[i] = ' '
else:
beginline = True
elif beginline and sl[i] != ' ' and sl[i] != '\t':
beginline = False
if not keygroup and not arrayoftables:
if sl[i] == '=':
raise TomlDecodeError("Found empty keyname. ")
keyname = 1
s = ''.join(sl)
s = s.split('\n')
multikey = None
multilinestr = ""
multibackslash = False
for line in s:
if not multilinestr or multibackslash or '\n' not in multilinestr:
line = line.strip()
if line == "" and (not multikey or multibackslash):
continue
if multikey:
if multibackslash:
multilinestr += line
else:
multilinestr += line
multibackslash = False
if len(line) > 2 and (line[-1] == multilinestr[0] and
line[-2] == multilinestr[0] and
line[-3] == multilinestr[0]):
try:
value, vtype = _load_value(multilinestr, _dict)
except ValueError as err:
raise TomlDecodeError(str(err))
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[0] == '[':
arrayoftables = False
if len(line) == 1:
raise TomlDecodeError("Opening key group bracket on line by "
"itself.")
if line[1] == '[':
arrayoftables = True
line = line[2:]
splitstr = ']]'
else:
line = line[1:]
splitstr = ']'
i = 1
quotesplits = _get_split_on_quotes(line)
quoted = False
for quotesplit in quotesplits:
if not quoted and splitstr in quotesplit:
break
i += quotesplit.count(splitstr)
quoted = not quoted
line = line.split(splitstr, i)
if len(line) < i + 1 or line[-1].strip() != "":
raise TomlDecodeError("Key group not on a line by itself.")
groups = splitstr.join(line[:-1]).split('.')
i = 0
while i < len(groups):
groups[i] = groups[i].strip()
if len(groups[i]) > 0 and (groups[i][0] == '"' or
groups[i][0] == "'"):
groupstr = groups[i]
j = i + 1
while not groupstr[0] == groupstr[-1]:
j += 1
if j > len(groups) + 2:
raise TomlDecodeError("Invalid group name '" +
groupstr + "' Something " +
"went wrong.")
groupstr = '.'.join(groups[i:j]).strip()
groups[i] = groupstr[1:-1]
groups[i + 1:j] = []
else:
if not _groupname_re.match(groups[i]):
raise TomlDecodeError("Invalid group name '" +
groups[i] + "'. Try quoting it.")
i += 1
currentlevel = retval
for i in _range(len(groups)):
group = groups[i]
if group == "":
raise TomlDecodeError("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 TomlDecodeError("An implicitly defined "
"table can't be an array")
elif arrayoftables:
currentlevel[group].append(_dict())
else:
raise TomlDecodeError("What? " + group +
" already exists?" +
str(currentlevel))
except TypeError:
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 line[0] == "{":
if line[-1] != "}":
raise TomlDecodeError("Line breaks are not allowed in inline"
"objects")
try:
_load_inline_object(line, currentlevel, _dict, multikey,
multibackslash)
except ValueError as err:
raise TomlDecodeError(str(err))
elif "=" in line:
try:
ret = _load_line(line, currentlevel, _dict, multikey,
multibackslash)
except ValueError as err:
raise TomlDecodeError(str(err))
if ret is not None:
multikey, multilinestr, multibackslash = ret
return retval
def _load_inline_object(line, currentlevel, _dict, multikey=False,
multibackslash=False):
candidate_groups = line[1:-1].split(",")
groups = []
if len(candidate_groups) == 1 and not candidate_groups[0].strip():
candidate_groups.pop()
while len(candidate_groups) > 0:
candidate_group = candidate_groups.pop(0)
try:
_, value = candidate_group.split('=', 1)
except ValueError:
raise ValueError("Invalid inline table encountered")
value = value.strip()
if ((value[0] == value[-1] and value[0] in ('"', "'")) or (
value[0] in '-0123456789' or
value in ('true', 'false') or
(value[0] == "[" and value[-1] == "]") or
(value[0] == '{' and value[-1] == '}'))):
groups.append(candidate_group)
elif len(candidate_groups) > 0:
candidate_groups[0] = candidate_group + "," + candidate_groups[0]
else:
raise ValueError("Invalid inline table value encountered")
for group in groups:
status = _load_line(group, currentlevel, _dict, multikey,
multibackslash)
if status is not None:
break
# Matches a TOML number, which allows underscores for readability
_number_with_underscores = re.compile('([0-9])(_([0-9]))*')
def _strictly_valid_num(n):
n = n.strip()
if not n:
return False
if n[0] == '_':
return False
if n[-1] == '_':
return False
if "_." in n or "._" in n:
return False
if len(n) == 1:
return True
if n[0] == '0' and n[1] != '.':
return False
if n[0] == '+' or n[0] == '-':
n = n[1:]
if n[0] == '0' and n[1] != '.':
return False
if '__' in n:
return False
return True
def _get_split_on_quotes(line):
doublequotesplits = line.split('"')
quoted = False
quotesplits = []
if len(doublequotesplits) > 1 and "'" in doublequotesplits[0]:
singlequotesplits = doublequotesplits[0].split("'")
doublequotesplits = doublequotesplits[1:]
while len(singlequotesplits) % 2 == 0 and len(doublequotesplits):
singlequotesplits[-1] += '"' + doublequotesplits[0]
doublequotesplits = doublequotesplits[1:]
if "'" in singlequotesplits[-1]:
singlequotesplits = (singlequotesplits[:-1] +
singlequotesplits[-1].split("'"))
quotesplits += singlequotesplits
for doublequotesplit in doublequotesplits:
if quoted:
quotesplits.append(doublequotesplit)
else:
quotesplits += doublequotesplit.split("'")
quoted = not quoted
return quotesplits
def _load_line(line, currentlevel, _dict, multikey, multibackslash):
i = 1
quotesplits = _get_split_on_quotes(line)
quoted = False
for quotesplit in quotesplits:
if not quoted and '=' in quotesplit:
break
i += quotesplit.count('=')
quoted = not quoted
pair = line.split('=', i)
strictly_valid = _strictly_valid_num(pair[-1])
if _number_with_underscores.match(pair[-1]):
pair[-1] = pair[-1].replace('_', '')
while len(pair[-1]) and (pair[-1][0] != ' ' and pair[-1][0] != '\t' and
pair[-1][0] != "'" 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]) is not None:
break
i += 1
prev_val = pair[-1]
pair = line.split('=', i)
if prev_val == pair[-1]:
raise ValueError("Invalid date or number")
if strictly_valid:
strictly_valid = _strictly_valid_num(pair[-1])
pair = ['='.join(pair[:-1]).strip(), pair[-1].strip()]
if (pair[0][0] == '"' or pair[0][0] == "'") and \
(pair[0][-1] == '"' or pair[0][-1] == "'"):
pair[0] = pair[0][1:-1]
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], _dict, strictly_valid)
try:
currentlevel[pair[0]]
raise ValueError("Duplicate keys!")
except KeyError:
if multikey:
return multikey, multilinestr, multibackslash
else:
currentlevel[pair[0]] = value
def _load_date(val):
microsecond = 0
tz = None
try:
if len(val) > 19:
if val[19] == '.':
if val[-1].upper() == 'Z':
subsecondval = val[20:-1]
tzval = "Z"
else:
subsecondvalandtz = val[20:]
if '+' in subsecondvalandtz:
splitpoint = subsecondvalandtz.index('+')
subsecondval = subsecondvalandtz[:splitpoint]
tzval = subsecondvalandtz[splitpoint:]
elif '-' in subsecondvalandtz:
splitpoint = subsecondvalandtz.index('-')
subsecondval = subsecondvalandtz[:splitpoint]
tzval = subsecondvalandtz[splitpoint:]
tz = TomlTz(tzval)
microsecond = int(int(subsecondval) *
(10 ** (6 - len(subsecondval))))
else:
tz = TomlTz(val[19:])
except ValueError:
tz = None
if "-" not in val[1:]:
return None
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):
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
hxb = ''.join(hx[i:i + hxblen]).lower()
if hxb.strip('0123456789abcdef'):
raise ValueError("Invalid escape sequence: " + hxb)
if hxb[0] == "d" and hxb[1].strip('01234567'):
raise ValueError("Invalid escape sequence: " + hxb +
". Only scalar unicode points are allowed.")
v += unichr(int(hxb, 16))
v += unicode(hx[len(hxb):])
return v
# Unescape TOML string values.
# content after the \
_escapes = ['0', 'b', 'f', 'n', 'r', 't', '"']
# What it should be replaced by
_escapedchars = ['\0', '\b', '\f', '\n', '\r', '\t', '\"']
# Used for substitution
_escape_to_escapedchars = dict(zip(_escapes, _escapedchars))
def _unescape(v):
"""Unescape characters in a TOML string."""
i = 0
backslash = False
while i < len(v):
if backslash:
backslash = False
if v[i] in _escapes:
v = v[:i - 1] + _escape_to_escapedchars[v[i]] + v[i + 1:]
elif v[i] == '\\':
v = v[:i - 1] + v[i:]
elif v[i] == 'u' or v[i] == 'U':
i += 1
else:
raise ValueError("Reserved escape sequence used")
continue
elif v[i] == '\\':
backslash = True
i += 1
return v
def _load_value(v, _dict, strictly_valid=True):
if not v:
raise ValueError("Empty value is invalid")
if v == 'true':
return (True, "bool")
elif v == 'false':
return (False, "bool")
elif v[0] == '"':
testv = v[1:].split('"')
triplequote = False
triplequotecount = 0
if len(testv) > 1 and testv[0] == '' and testv[1] == '':
testv = testv[2:]
triplequote = True
closed = False
for tv in testv:
if tv == '':
if triplequote:
triplequotecount += 1
else:
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 ValueError("Stuff after closed string. WTF?")
else:
if not triplequote or triplequotecount > 1:
closed = True
else:
triplequotecount = 0
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 ValueError("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)
v = _unescape(v)
if len(v) > 1 and v[1] == '"' and (len(v) < 3 or v[1] == v[2]):
v = v[2:-2]
return (v[1:-1], "str")
elif v[0] == "'":
if v[1] == "'" and (len(v) < 3 or v[1] == v[2]):
v = v[2:-2]
return (v[1:-1], "str")
elif v[0] == '[':
return (_load_array(v, _dict), "array")
elif v[0] == '{':
inline_object = _get_empty_inline_table(_dict)
_load_inline_object(v, inline_object, _dict)
return (inline_object, "inline_object")
else:
parsed_date = _load_date(v)
if parsed_date is not None:
return (parsed_date, "date")
if not strictly_valid:
raise ValueError("Weirdness with leading zeroes or "
"underscores in your number.")
itype = "int"
neg = False
if v[0] == '-':
neg = True
v = v[1:]
elif v[0] == '+':
v = v[1:]
v = v.replace('_', '')
if '.' in v or 'e' in v or 'E' in v:
if '.' in v and v.split('.', 1)[1] == '':
raise ValueError("This float is missing digits after "
"the point")
if v[0] not in '0123456789':
raise ValueError("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 _bounded_string(s):
if len(s) == 0:
return True
if s[-1] != s[0]:
return False
i = -2
backslash = False
while len(s) + i > 0:
if s[i] == "\\":
backslash = not backslash
i -= 1
else:
break
return not backslash
def _load_array(a, _dict):
atype = None
retval = []
a = a.strip()
if '[' not in a[1:-1] or "" != a[1:-1].split('[')[0].strip():
strarray = False
tmpa = a[1:-1].strip()
if tmpa != '' and (tmpa[0] == '"' or tmpa[0] == "'"):
strarray = True
if not a[1:-1].strip().startswith('{'):
a = a[1:-1].split(',')
else:
# a is an inline object, we must find the matching parenthesis
# to define groups
new_a = []
start_group_index = 1
end_group_index = 2
in_str = False
while end_group_index < len(a[1:]):
if a[end_group_index] == '"' or a[end_group_index] == "'":
if in_str:
backslash_index = end_group_index - 1
while (backslash_index > -1 and
a[backslash_index] == '\\'):
in_str = not in_str
backslash_index -= 1
in_str = not in_str
if in_str or a[end_group_index] != '}':
end_group_index += 1
continue
# Increase end_group_index by 1 to get the closing bracket
end_group_index += 1
new_a.append(a[start_group_index:end_group_index])
# The next start index is at least after the closing bracket, a
# closing bracket can be followed by a comma since we are in
# an array.
start_group_index = end_group_index + 1
while (start_group_index < len(a[1:]) and
a[start_group_index] != '{'):
start_group_index += 1
end_group_index = start_group_index + 1
a = new_a
b = 0
if strarray:
while b < len(a) - 1:
ab = a[b].strip()
while (not _bounded_string(ab) or
(len(ab) > 2 and
ab[0] == ab[1] == ab[2] and
ab[-2] != ab[0] and
ab[-3] != ab[0])):
a[b] = a[b] + ',' + a[b + 1]
ab = a[b].strip()
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], _dict)
if atype:
if ntype != atype:
raise ValueError("Not a homogeneous array")
else:
atype = ntype
retval.append(nval)
return retval
def dump(o, f):
"""Writes out dict as toml to a file
Args:
o: Object to dump into toml
f: File descriptor where the toml should be stored
Returns:
String containing the toml corresponding to dictionary
Raises:
TypeError: When anything other than file descriptor is passed
"""
if not f.write:
raise TypeError("You can only dump an object to a file descriptor")
d = dumps(o)
f.write(d)
return d
def dumps(o, preserve=False):
"""Stringifies input dict as toml
Args:
o: Object to dump into toml
preserve: Boolean parameter. If true, preserve inline tables.
Returns:
String containing the toml corresponding to dict
"""
retval = ""
addtoretval, sections = _dump_sections(o, "")
retval += addtoretval
while sections != {}:
newsections = {}
for section in sections:
addtoretval, addtosections = _dump_sections(sections[section],
section, preserve)
if addtoretval or (not addtoretval and not addtosections):
if retval and retval[-2:] != "\n\n":
retval += "\n"
retval += "[" + section + "]\n"
if addtoretval:
retval += addtoretval
for s in addtosections:
newsections[section + "." + s] = addtosections[s]
sections = newsections
return retval
def _dump_sections(o, sup, preserve=False):
retstr = ""
if sup != "" and sup[-1] != ".":
sup += '.'
retdict = o.__class__()
arraystr = ""
for section in o:
section = unicode(section)
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 = "\n"
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 + " = " +
unicode(_dump_value(o[section])) + '\n')
elif preserve and isinstance(o[section], InlineTableDict):
retstr += (qsection + " = " + _dump_inline_table(o[section]))
else:
retdict[qsection] = o[section]
retstr += arraystr
return (retstr, retdict)
def _dump_inline_table(section):
"""Preserve inline table in its compact syntax instead of expanding
into subsection.
https://github.com/toml-lang/toml#user-content-inline-table
"""
retval = ""
if isinstance(section, dict):
val_list = []
for k, v in section.items():
val = _dump_inline_table(v)
val_list.append(k + " = " + val)
retval += "{ " + ", ".join(val_list) + " }\n"
return retval
else:
return unicode(_dump_value(section))
def _dump_value(v):
dump_funcs = {
str: _dump_str,
unicode: _dump_str,
list: _dump_list,
int: lambda v: v,
bool: lambda v: unicode(v).lower(),
float: _dump_float,
datetime.datetime: lambda v: v.isoformat().replace('+00:00', 'Z'),
}
# Lookup function corresponding to v's type
dump_fn = dump_funcs.get(type(v))
if dump_fn is None and hasattr(v, '__iter__'):
dump_fn = dump_funcs[list]
# Evaluate function (if it exists) else return v
return dump_fn(v) if dump_fn is not None else dump_funcs[str](v)
def _dump_str(v):
if sys.version_info < (3,) and hasattr(v, 'decode') and isinstance(v, str):
v = v.decode('utf-8')
v = "%r" % v
if v[0] == 'u':
v = v[1:]
singlequote = v.startswith("'")
if singlequote or v.startswith('"'):
v = v[1:-1]
if singlequote:
v = v.replace("\\'", "'")
v = v.replace('"', '\\"')
v = v.split("\\x")
while len(v) > 1:
i = -1
if not v[0]:
v = v[1:]
v[0] = v[0].replace("\\\\", "\\")
# No, I don't know why != works and == breaks
joinx = v[0][i] != "\\"
while v[0][:i] and v[0][i] == "\\":
joinx = not joinx
i -= 1
if joinx:
joiner = "x"
else:
joiner = "u00"
v = [v[0] + joiner + v[1]] + v[2:]
return unicode('"' + v[0] + '"')
def _dump_list(v):
retval = "["
for u in v:
retval += " " + unicode(_dump_value(u)) + ","
retval += "]"
return retval
def _dump_float(v):
return "{0:.16}".format(v).replace("e+0", "e+").replace("e-0", "e-")
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