Revert "Move to pandoc for rendering sponsorship contracts (#2343)" (#2374)

This reverts commit a4990b7.

Author: ambv

.github/workflows/ci.yml

@@ -17,18 +17,6 @@ jobs:
     steps:
       - name: Check out repository
         uses: actions/checkout@v2
-      - name: Install platform dependencies
-        run: |
-          sudo apt -y update
-          sudo apt -y install --no-install-recommends \
-              texlive-latex-base \
-              texlive-latex-recommended \
-              texlive-plain-generic \
-              lmodern
-      - name: Install pandoc
-        run: |
-          wget https://github.com/jgm/pandoc/releases/download/2.17.1.1/pandoc-2.17.1.1-1-amd64.deb
-          sudo dpkg -i pandoc-2.17.1.1-1-amd64.deb
       - uses: actions/setup-python@v2
         with:
           python-version: 3.9.16

Aptfile

@@ -1,47 +1,9 @@
-FROM python:3.9-bookworm
+FROM python:3.9-bullseye
 ENV PYTHONUNBUFFERED=1
 ENV PYTHONDONTWRITEBYTECODE=1
-
-# By default, Docker has special steps to avoid keeping APT caches in the layers, which
-# is good, but in our case, we're going to mount a special cache volume (kept between
-# builds), so we WANT the cache to persist.
-RUN set -eux; \
-    rm -f /etc/apt/apt.conf.d/docker-clean; \
-    echo 'Binary::apt::APT::Keep-Downloaded-Packages "true";' > /etc/apt/apt.conf.d/keep-cache;
-
-# Install System level build requirements, this is done before
-# everything else because these are rarely ever going to change.
-RUN --mount=type=cache,target=/var/cache/apt,sharing=locked \
-    --mount=type=cache,target=/var/lib/apt,sharing=locked \
-    set -x \
-    && apt-get update \
-    && apt-get install --no-install-recommends -y \
-        pandoc \
-        texlive-latex-base \
-        texlive-latex-recommended \
-        texlive-fonts-recommended \
-        texlive-plain-generic \
-        lmodern
-
-RUN case $(uname -m) in \
-         "x86_64")  ARCH=amd64 ;; \
-         "aarch64")  ARCH=arm64 ;; \
-    esac \
-    && wget --quiet https://github.com/jgm/pandoc/releases/download/2.17.1.1/pandoc-2.17.1.1-1-${ARCH}.deb \
-    && dpkg -i pandoc-2.17.1.1-1-${ARCH}.deb
-
 RUN mkdir /code
 WORKDIR /code
-
 COPY dev-requirements.txt /code/
 COPY base-requirements.txt /code/
-
-RUN pip --no-cache-dir --disable-pip-version-check install --upgrade pip setuptools wheel
-
-RUN --mount=type=cache,target=/root/.cache/pip \
-    set -x \
-    && pip --disable-pip-version-check \
-        install \
-        -r dev-requirements.txt
-
+RUN pip install -r dev-requirements.txt
 COPY . /code/

Dockerfile

@@ -44,11 +44,12 @@ django-filter==2.4.0
 django-ordered-model==3.4.3
 django-widget-tweaks==1.4.8
 django-countries==7.2.1
+xhtml2pdf==0.2.5
+django-easy-pdf3==0.1.2
 num2words==0.5.10
 django-polymorphic==3.0.0
 sorl-thumbnail==12.7.0
+docxtpl==0.12.0
+reportlab==3.6.6
 django-extensions==3.1.4
 django-import-export==2.7.1
-
-pypandoc==1.12
-panflute==2.3.0

base-requirements.txt

@@ -173,6 +173,7 @@
     'ordered_model',
     'widget_tweaks',
     'django_countries',
+    'easy_pdf',
     'sorl.thumbnail',
 
     'banners',

pydotorg/settings/base.py

@@ -0,0 +1,78 @@
+"""
+This module is a wrapper around django-easy-pdf so we can reuse code
+"""
+import io
+import os
+from django.conf import settings
+from django.http import HttpResponse
+from django.utils.dateformat import format
+
+from docxtpl import DocxTemplate
+from easy_pdf.rendering import render_to_pdf_response, render_to_pdf
+
+from markupfield_helpers.helpers import render_md
+from django.utils.html import mark_safe
+
+
+def _clean_split(text, separator='\n'):
+    return [
+        t.replace('-', '').strip()
+        for t in text.split('\n')
+        if t.replace('-', '').strip()
+    ]
+
+
+def _contract_context(contract, **context):
+    start_date = contract.sponsorship.start_date
+    context.update({
+        "contract": contract,
+        "start_date": start_date,
+        "start_day_english_suffix": format(start_date, "S"),
+        "sponsor": contract.sponsorship.sponsor,
+        "sponsorship": contract.sponsorship,
+        "benefits": _clean_split(contract.benefits_list.raw),
+        "legal_clauses": _clean_split(contract.legal_clauses.raw),
+        "renewal": contract.sponsorship.renewal,
+    })
+    previous_effective = contract.sponsorship.previous_effective_date
+    context["previous_effective"] = previous_effective if previous_effective else "UNKNOWN"
+    context["previous_effective_english_suffix"] = format(previous_effective, "S") if previous_effective else None
+    return context
+
+
+def render_contract_to_pdf_response(request, contract, **context):
+    template = "sponsors/admin/preview-contract.html"
+    context = _contract_context(contract, **context)
+    return render_to_pdf_response(request, template, context)
+
+
+def render_contract_to_pdf_file(contract, **context):
+    template = "sponsors/admin/preview-contract.html"
+    context = _contract_context(contract, **context)
+    return render_to_pdf(template, context)
+
+
+def _gen_docx_contract(output, contract, **context):
+    context = _contract_context(contract, **context)
+    renewal = context["renewal"]
+    if renewal:
+        template = os.path.join(settings.TEMPLATES_DIR, "sponsors", "admin", "renewal-contract-template.docx")
+    else:
+        template = os.path.join(settings.TEMPLATES_DIR, "sponsors", "admin", "contract-template.docx")
+    doc = DocxTemplate(template)
+    doc.render(context)
+    doc.save(output)
+    return output
+
+
+def render_contract_to_docx_response(request, contract, **context):
+    response = HttpResponse(content_type='application/vnd.openxmlformats-officedocument.wordprocessingml.document')
+    response['Content-Disposition'] = 'attachment; filename=contract.docx'
+    return _gen_docx_contract(output=response, contract=contract, **context)
+
+
+def render_contract_to_docx_file(contract, **context):
+    fp = io.BytesIO()
+    fp = _gen_docx_contract(output=fp, contract=contract, **context)
+    fp.seek(0)
+    return fp.read()