Load Template Documents from File or Stream Leave feedback

from groupdocs.assembly import DataSourceInfo, DocumentAssembler

# Template and output file paths
template_path = "invoice-summary.docx"
output_path = "invoice-summary-report.docx"

# Sample data
invoice_data = {"CustomerName": "Quayside Bistro", "Amount": 552.00}

# Assemble document from file path
assembler = DocumentAssembler()
assembler.assemble_document(template_path, output_path, DataSourceInfo(invoice_data, "invoice"))

print("Document assembled successfully.")

Binary file (DOCX, 7 KB)

import io
from datetime import datetime

from groupdocs.assembly import DataSourceInfo, DocumentAssembler

# Load template into a memory stream
with open("report-cover.docx", "rb") as f:
    template_bytes = f.read()

data = {"Title": "Quarterly stock report", "Date": datetime(2015, 3, 31)}

# The report goes to a file opened for writing in binary mode
with io.BytesIO(template_bytes) as template_stream, open("report-cover-report.docx", "wb") as output_stream:
    assembler = DocumentAssembler()
    assembler.assemble_document(template_stream, output_stream, DataSourceInfo(data, "report"))

print("Document assembled from stream successfully.")

Binary file (DOCX, 7 KB)

import io
import pathlib
from urllib.request import urlopen

from groupdocs.assembly import DataSourceInfo, DocumentAssembler

# Any URL urllib can open: https://... on your server, here the template's file: URL
template_url = pathlib.Path("company-letter.docx").resolve().as_uri()

# Download template from the URL
response = urlopen(template_url)
try:
    template_bytes = response.read()
finally:
    response.close()

with io.BytesIO(template_bytes) as template_stream, io.BytesIO() as output_stream:
    data = {"Company": "Harbor Lane Provisions", "Year": 2015}

    assembler = DocumentAssembler()
    assembler.assemble_document(template_stream, output_stream, DataSourceInfo(data, "company"))

    with open("company-letter-report.docx", "wb") as f:
        f.write(output_stream.getvalue())

print("Document assembled from remote template.")

Binary file (DOCX, 7 KB)

import io

from groupdocs.assembly import DataSourceInfo, DocumentAssembler

# Template from a file, opened as a stream
with open("item-label.docx", "rb") as template_stream, io.BytesIO() as output_stream:
    data = {"Name": "Smoked sea salt", "Value": 100}

    assembler = DocumentAssembler()
    assembler.assemble_document(template_stream, output_stream, DataSourceInfo(data, "item"))

    # Use the output stream (e.g., send via HTTP, save to database)
    output_bytes = output_stream.getvalue()

with open("item-label-report.docx", "wb") as f:
    f.write(output_bytes)

print("Document assembled with mixed file/stream usage.")

Binary file (DOCX, 7 KB)