(CkPython) StringBuilder to Bytes (in BinData)

Demonstrates converting a string to bytes of a particular character encoding.

Note: This example requires Chilkat v9.5.0.64 or later.

Chilkat Python Downloads install with pip pip3 install chilkat or download... Python Module for Windows, MacOS, Linux, Alpine Linux, Solaris

import sys
import chilkat

# This initial step gets string data to be used in this example from a live URL.
# It assumes Chilkat HTTP API to have been previously unlocked.
# See Global Unlock Sample for sample code.

# Use utf-8 for strings passed into and out of Chilkat.
glob = chilkat.CkGlobal()
glob.put_DefaultUtf8(True)

http = chilkat.CkHttp()
http.put_VerboseLogging(True)
sbJson = chilkat.CkStringBuilder()
success = http.QuickGetSb("https://www.chilkatsoft.com/exampleData/greekAlphabet.json",sbJson)
if (not success):
    print(http.lastErrorText())
    sys.exit()

sbGreek = chilkat.CkStringBuilder()
json = chilkat.CkJsonObject()
json.LoadSb(sbJson)

# The JSON contains this:

# 	{ 
# 	  "greekAlphabet": "                                                "
# 	} 

greekAlphabet = json.stringOf("greekAlphabet")
sbGreek.Append(greekAlphabet)

# Append the Windows-1253 represention of the string..
# In this encoding, each Greek char is one byte per char.
binWindows1253 = chilkat.CkBinData()
binWindows1253.AppendSb(sbGreek,"windows-1253")
# Save to a Windows-1253 text file:
binWindows1253.WriteFile("qa_output/greek_win1253.txt")

# Show the bytes in the quoted-printable format so we can easily see the Windows-1253 byte values.
print(binWindows1253.getEncoded("qp"))
print("--------------------------------")

# The result is shown here:
# 	=C1 =E1 =C2 =E2 =C3 =E3 =C4 =E4 =C5 =E5 =C6 =E6 =C7 =E7 =C8 =E8 =C9 =E9 =CA=
# 	 =EA =CB =EB =CC =EC =CD =ED =CE =EE =CF =EF =D0 =F0 =D1 =F1 =D3 =F3 =F2 =
# 	=D4 =F4 =D5 =F5 =D6 =F6 =D7 =F7 =D8 =F8 =D9 =F9

# Append the utf-8 represention of the string..
binUtf8 = chilkat.CkBinData()
binUtf8.AppendBom("utf-8")
binUtf8.AppendSb(sbGreek,"utf-8")
# Save to a utf-8 text file:
binUtf8.WriteFile("qa_output/greek_utf8.txt")
# Show the bytes in the quoted-printable format so we can easily see the utf-8 char representations.
print(binUtf8.getEncoded("qp"))

print("--------------------------------")

# These are the utf-8 bytes shown in quoted-printable encoding:
# 	=EF=BB=BF=CE=91 =CE=B1 =CE=92 =CE=B2 =CE=93 =CE=B3 =CE=94 =CE=B4 =CE=95 =CE=
# 	=B5 =CE=96 =CE=B6 =CE=97 =CE=B7 =CE=98 =CE=B8 =CE=99 =CE=B9 =CE=9A =CE=BA =
# 	=CE=9B =CE=BB =CE=9C =CE=BC =CE=9D =CE=BD =CE=9E =CE=BE =CE=9F =CE=BF =CE=
# 	=A0 =CF=80 =CE=A1 =CF=81 =CE=A3 =CF=83 =CF=82 =CE=A4 =CF=84 =CE=A5 =CF=85 =
# 	=CE=A6 =CF=86 =CE=A7 =CF=87 =CE=A8 =CF=88 =CE=A9 =CF=89

# Append the utf-16 (little endian) represention of the string..
binUtf16 = chilkat.CkBinData()
binUtf16.AppendBom("utf-16")
binUtf16.AppendSb(sbGreek,"utf-16")
# Save to a utf-16 text file:
binUtf16.WriteFile("qa_output/greek_utf16.txt")
print(binUtf16.getEncoded("qp"))

# These are the utf-16 bytes shown in quoted-printable encoding:
# 	=FF=FE=91=03 =00=B1=03 =00=92=03 =00=B2=03 =00=93=03 =00=B3=03 =00=94=03 =
# 	=00=B4=03 =00=95=03 =00=B5=03 =00=96=03 =00=B6=03 =00=97=03 =00=B7=03 =00=
# 	=98=03 =00=B8=03 =00=99=03 =00=B9=03 =00=9A=03 =00=BA=03 =00=9B=03 =00=BB=
# 	=03 =00=9C=03 =00=BC=03 =00=9D=03 =00=BD=03 =00=9E=03 =00=BE=03 =00=9F=03 =
# 	=00=BF=03 =00=A0=03 =00=C0=03 =00=A1=03 =00=C1=03 =00=A3=03 =00=C3=03 =00=
# 	=C2=03 =00=A4=03 =00=C4=03 =00=A5=03 =00=C5=03 =00=A6=03 =00=C6=03 =00=A7=
# 	=03 =00=C7=03 =00=A8=03 =00=C8=03 =00=A9=03 =00=C9=03