CkPython Requires Chilkat v11.7.0+
>, says so with placeholderSyntax, written around the word "name".
CkPython
PDF Placeholders with Other Delimiters: [[name]]
See more PDF Text Replacement Examples
Demonstrates the "placeholderSyntax" option. Placeholders are {{name}} by default; a template written with other delimiters, such as [[name]] or <Chilkat CkPython Downloads
import sys
import chilkat
success = False
# This example requires the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.
# The PDF used in this example is available at letter_template.pdf
pdf = chilkat.CkPdf()
success = pdf.LoadFile("qa_data/pdf/letter_template.pdf")
if (success == False):
print(pdf.lastErrorText())
sys.exit()
# The letter reads: "Dear [[name]]," ... "expires on [[expiry]]" ... "[[amount]] per year" ... "[[agent]]".
json = chilkat.CkJsonObject()
json.UpdateString("placeholderSyntax","[[name]]")
json.UpdateString("placeholders.date","October 18, 2026")
json.UpdateString("placeholders.name","Ms. Rivera")
json.UpdateString("placeholders.expiry","December 31, 2026")
json.UpdateString("placeholders.amount","$299.00")
json.UpdateString("placeholders.agent","Dana Whitfield, Account Manager")
jsonOut = chilkat.CkJsonObject()
success = pdf.TextReplace("apply",json,jsonOut)
if (success == False):
print("Not applied: " + jsonOut.emit())
if (success == False):
print(pdf.lastErrorText())
sys.exit()
i = 0
count_i = jsonOut.SizeOfArray("replacements")
while i < count_i :
jsonOut.put_I(i)
print("[[" + jsonOut.stringOf("replacements[i].field") + "]] replaced")
i = i + 1
success = pdf.WriteFile("qa_output/letter_rivera.pdf")
if (success == False):
print(pdf.lastErrorText())
sys.exit()
# Sample output:
# [[date]] replaced
# [[name]] replaced
# [[expiry]] replaced
# [[amount]] replaced
# [[agent]] replaced