mirror of
https://github.com/ksherlock/ample.git
synced 2024-11-20 09:35:22 +00:00
127 lines
2.8 KiB
Python
127 lines
2.8 KiB
Python
|
|
|
|
__all__ = ['to_plist']
|
|
|
|
from xml.sax.saxutils import escape
|
|
from base64 import b64encode
|
|
from datetime import date, datetime, timezone
|
|
|
|
_header = (
|
|
'<?xml version="1.0" encoding="UTF-8"?>\n'
|
|
'<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">\n'
|
|
'<plist version="1.0">\n'
|
|
)
|
|
_trailer = '</plist>\n'
|
|
|
|
INDENT = " "
|
|
|
|
def _bad(x, indent=0):
|
|
raise ValueError("plist: bad type: {} ({})".format(type(x), x))
|
|
|
|
|
|
|
|
def _encode_array(x, akku, indent=""):
|
|
|
|
indent2 = indent + INDENT
|
|
|
|
akku.append(indent + "<array>\n")
|
|
|
|
for v in x:
|
|
_encoder.get(type(v), _bad)(v, akku, indent2)
|
|
|
|
akku.append(indent + "</array>\n")
|
|
|
|
|
|
def _encode_dict(x, akku, indent=""):
|
|
|
|
indent2 = indent + INDENT
|
|
|
|
akku.append(indent + "<dict>\n")
|
|
for k,v in x.items():
|
|
# key must be string?
|
|
if type(k) != str:
|
|
raise ValueError("plist: dictionary key must be string: {}: {}".format(type(k), k))
|
|
akku.append("{}<key>{}</key>\n".format(indent2, escape(k)))
|
|
_encoder.get(type(v), _bad)(v, akku, indent2)
|
|
|
|
akku.append(indent + "</dict>\n")
|
|
|
|
|
|
def _encode_bool(x, akku, indent=""):
|
|
if x: akku.append(indent + "<true/>\n")
|
|
else: akku.append(indent + "<false/>\n")
|
|
|
|
def _encode_integer(x, akku, indent=""):
|
|
akku.append("{}<integer>{}</integer>\n".format(indent, x))
|
|
|
|
def _encode_real(x, akku, indent=""):
|
|
akku.append("{}<real>{}</real>\n".format(indent, x))
|
|
|
|
def _encode_string(x, akku, indent=""):
|
|
akku.append("{}<string>{}</string>\n".format(indent, escape(x)))
|
|
|
|
|
|
# data is YYYY-MM-DD T HH:MM:SS Z
|
|
def _encode_date(x, akku, indent=""):
|
|
s = x.strftime('%Y-%m-%d')
|
|
akku.append("{}<date>{}</date>\n".format(indent, s))
|
|
|
|
def _encode_datetime(x, akku, indent=""):
|
|
# if not x.tzinfo
|
|
# raise ValueError("plist: datetime must have tzinfo: {}".format(x))
|
|
|
|
# if x.tzinfo.utcoffset(x) == None:
|
|
# raise ValueError("plist: datetime must have utc offset: {}".format(x))
|
|
|
|
utc = x.astimezone(timezone.utc)
|
|
s = utc.strftime('%Y-%m-%dT%H:%M:%SZ')
|
|
akku.append("{}<date>{}</date>\n".format(indent, s))
|
|
|
|
def _encode_data(x, akku, indent=""):
|
|
# data is base64 encoded
|
|
|
|
CHUNKSIZE = 32
|
|
if len(x) < CHUNKSIZE:
|
|
akku.append("{}<data>{}</data>\n".format(indent, b64encode(x).encode('ascii')))
|
|
return
|
|
|
|
indent2 = indent + INDENT
|
|
akku.append(indent + "<data>\n")
|
|
|
|
for i in range(0, len(x), CHUNKSIZE):
|
|
akku.append(
|
|
"{}{}\n".format(
|
|
indent2,
|
|
b64encode(x[i:i+CHUNKSIZE]).encode('ascii')
|
|
)
|
|
)
|
|
|
|
akku.append(indent + "</data>\n")
|
|
|
|
# data, data not yet supported.
|
|
_encoder = {
|
|
str: _encode_string,
|
|
float: _encode_real,
|
|
int: _encode_integer,
|
|
bool: _encode_bool,
|
|
|
|
tuple: _encode_array,
|
|
list: _encode_array,
|
|
dict: _encode_dict,
|
|
bytes: _encode_data,
|
|
bytearray: _encode_data,
|
|
date: _encode_date,
|
|
datetime: _encode_datetime,
|
|
}
|
|
|
|
def to_plist(x):
|
|
|
|
akku = []
|
|
akku.append(_header)
|
|
_encoder.get(type(x), _bad)(x, akku, INDENT)
|
|
akku.append(_trailer)
|
|
|
|
return ''.join(akku)
|
|
|
|
|