from docx import Document
from docx.shared import Inches, Pt, Cm, RGBColor
from docx.enum.text import WD_ALIGN_PARAGRAPH
from docx.enum.table import WD_TABLE_ALIGNMENT

doc = Document()

# Set default font
style = doc.styles['Normal']
font = style.font
font.name = 'Calibri'
font.size = Pt(11)

# Add heading
doc.add_heading('Monthly Report', level=0)

# Add paragraph with formatting
para = doc.add_paragraph()
run = para.add_run('Important: ')
run.bold = True
run.font.color.rgb = RGBColor(0xCC, 0x00, 0x00)
para.add_run('This section requires attention.')

# Add table
table = doc.add_table(rows=1, cols=3, style='Light Grid Accent 1')
hdr_cells = table.rows[0].cells
hdr_cells[0].text = 'Name'
hdr_cells[1].text = 'Department'
hdr_cells[2].text = 'Revenue'

for name, dept, rev in data:
    row_cells = table.add_row().cells
    row_cells[0].text = name
    row_cells[1].text = dept
    row_cells[2].text = f'${rev:,.2f}'

# Add image
doc.add_picture('chart.png', width=Inches(5.5))

# Save
doc.save('report.docx')

from docx.enum.section import WD_ORIENT
from docx.oxml.ns import qn
from docx.oxml import OxmlElement

section = doc.sections[0]

# Page setup
section.page_width = Cm(21)
section.page_height = Cm(29.7)
section.left_margin = Cm(2.5)
section.right_margin = Cm(2.5)
section.top_margin = Cm(2.5)
section.bottom_margin = Cm(2.5)

# Header
header = section.header
header_para = header.paragraphs[0]
header_para.text = 'Company Name — Confidential'
header_para.alignment = WD_ALIGN_PARAGRAPH.RIGHT
header_para.style.font.size = Pt(9)
header_para.style.font.color.rgb = RGBColor(0x88, 0x88, 0x88)

# Footer with page numbers
footer = section.footer
footer_para = footer.paragraphs[0]
footer_para.alignment = WD_ALIGN_PARAGRAPH.CENTER

# Add page number field
run = footer_para.add_run()
fldChar = OxmlElement('w:fldChar')
fldChar.set(qn('w:fldCharType'), 'begin')
run._r.append(fldChar)

run2 = footer_para.add_run()
instrText = OxmlElement('w:instrText')
instrText.set(qn('xml:space'), 'preserve')
instrText.text = ' PAGE '
run2._r.append(instrText)

run3 = footer_para.add_run()
fldChar2 = OxmlElement('w:fldChar')
fldChar2.set(qn('w:fldCharType'), 'end')
run3._r.append(fldChar2)

from docx.shared import Cm, Pt
from docx.oxml.ns import nsdecls
from docx.oxml import parse_xml

# Set column widths
table.columns[0].width = Cm(4)
table.columns[1].width = Cm(6)
table.columns[2].width = Cm(3)

# Cell shading
for cell in table.rows[0].cells:
    shading = parse_xml(f'<w:shd {nsdecls("w")} w:fill="2F5496"/>')
    cell._tc.get_or_add_tcPr().append(shading)
    for paragraph in cell.paragraphs:
        for run in paragraph.runs:
            run.font.color.rgb = RGBColor(0xFF, 0xFF, 0xFF)
            run.font.bold = True

# Cell alignment
for row in table.rows:
    for cell in row.cells:
        cell.paragraphs[0].alignment = WD_ALIGN_PARAGRAPH.CENTER

Template file (template.docx) contains:

{{ company_name }}
Date: {{ report_date }}

Dear {{ recipient_name }},

{% for item in items %}
- {{ item.name }}: ${{ item.price }}
{% endfor %}

Total: ${{ total }}

{%if urgent %}
URGENT: This requires immediate attention.
{%endif %}

from docxtpl import DocxTemplate, InlineImage
from docx.shared import Mm

tpl = DocxTemplate('template.docx')

context = {
    'company_name': 'Acme Corp',
    'report_date': '2025-03-15',
    'recipient_name': 'Alice Johnson',
    'items': [
        {'name': 'Widget A', 'price': '29.99'},
        {'name': 'Widget B', 'price': '49.99'},
    ],
    'total': '79.98',
    'urgent': True,
    'chart': InlineImage(tpl, 'chart.png', width=Mm(120)),
}

tpl.render(context)
tpl.save('output.docx')

from docxtpl import RichText

rt = RichText()
rt.add('Normal text ')
rt.add('bold text', bold=True)
rt.add(' and ')
rt.add('red text', color='FF0000')
rt.add(' with ')
rt.add('a link', url_id=tpl.build_url_id('https://example.com'))

context = {'formatted_text': rt}

Template table row with loop:
{% tr for row in table_data %}
{{ row.name }} | {{ row.value }} | {{ row.status }}
{% endtr %}

from docxtpl import DocxTemplate
import csv

template = DocxTemplate('letter_template.docx')

with open('recipients.csv') as f:
    reader = csv.DictReader(f)
    for i, row in enumerate(reader):
        context = {
            'name': row['name'],
            'address': row['address'],
            'amount': row['amount'],
            'due_date': row['due_date'],
        }
        template.render(context)
        template.save(f'letters/letter_{i:04d}_{row["name"]}.docx')
        template = DocxTemplate('letter_template.docx')  # Re-load for next iteration

from docx.enum.style import WD_STYLE_TYPE

# Create custom paragraph style
style = doc.styles.add_style('CustomHeading', WD_STYLE_TYPE.PARAGRAPH)
style.font.name = 'Arial'
style.font.size = Pt(16)
style.font.bold = True
style.font.color.rgb = RGBColor(0x2F, 0x54, 0x96)
style.paragraph_format.space_before = Pt(12)
style.paragraph_format.space_after = Pt(6)

# Apply custom style
doc.add_paragraph('Section Title', style='CustomHeading')

Normal → Heading 1 → Heading 2 → ...
Normal → Body Text → List Paragraph
Normal → Table Normal → Table Grid

# Option 1: LibreOffice (most reliable, server-friendly)
import subprocess
subprocess.run([
    'libreoffice', '--headless', '--convert-to', 'pdf',
    '--outdir', output_dir, input_file
])

# Option 2: docx2pdf (Windows/macOS with Word installed)
from docx2pdf import convert
convert('input.docx', 'output.pdf')

# Option 3: Generate PDF directly with reportlab for full control

import jinja2

def safe_generate_document(template_path, context, output_path):
    try:
        tpl = DocxTemplate(template_path)
        tpl.render(context)
        tpl.save(output_path)
        return True
    except jinja2.UndefinedError as e:
        print(f"Missing template variable: {e}")
        return False
    except FileNotFoundError as e:
        print(f"Template not found: {e}")
        return False
    except Exception as e:
        print(f"Document generation failed: {e}")
        return False