Use latest versions of python libraries for testing

Dockerfile

@@ -105,23 +105,15 @@ ENV PATH=/opt/odoo-venv/bin:$PATH
 
 ARG odoo_version
 
-# Install Odoo requirements (use ADD for correct layer caching).
-# We use requirements from OCB for easier maintenance of older versions.
-# We use no-binary for psycopg2 because its binary wheels are sometimes broken
-# and not very portable.
-ADD https://raw.githubusercontent.com/OCA/OCB/$odoo_version/requirements.txt /tmp/ocb-requirements.txt
-RUN pip install --no-cache-dir --no-binary psycopg2 -r /tmp/ocb-requirements.txt
-
-# Install other test requirements.
-# - coverage
-# - websocket-client is required for Odoo browser tests
-RUN pip install --no-cache-dir \
-  coverage \
-  websocket-client
-
-# Install Odoo (use ADD for correct layer caching)
+# Use ADD to rebuild from here when Odoo HEAD changes
 ARG odoo_org_repo=odoo/odoo
 ADD https://api.github.com/repos/$odoo_org_repo/git/refs/heads/$odoo_version /tmp/odoo-version.json
+
+# Install Odoo requirements.
+COPY requirements-${odoo_version}.txt /tmp/requirements.txt
+RUN pip install --no-cache-dir --no-binary psycopg2 -r /tmp/requirements.txt
+
+# Install Odoo (use ADD for correct layer caching)
 RUN mkdir /tmp/getodoo \
     && (curl -sSL https://github.com/$odoo_org_repo/tarball/$odoo_version | tar -C /tmp/getodoo -xz) \
     && mv /tmp/getodoo/* /opt/odoo \

requirements-11.0.txt

@@ -0,0 +1,5 @@
+https://raw.githubusercontent.com/OCA/OCB/11.0/requirements.txt
+
+# other test requirements
+coverage
+websocket-client

requirements-12.0.txt

@@ -0,0 +1,5 @@
+https://raw.githubusercontent.com/OCA/OCB/12.0/requirements.txt
+
+# other test requirements
+coverage
+websocket-client

requirements-13.0.txt

@@ -0,0 +1,5 @@
+https://raw.githubusercontent.com/OCA/OCB/13.0/requirements.txt
+
+# other test requirements
+coverage
+websocket-client

requirements-14.0.txt

@@ -0,0 +1,5 @@
+https://raw.githubusercontent.com/OCA/OCB/14.0/requirements.txt
+
+# other test requirements
+coverage
+websocket-client

requirements-15.0.txt

@@ -0,0 +1,16 @@
+# Add requirements and bounds that are missing from Odoo's setup.py.
+freezegun
+lxml-html-clean
+num2words
+pdfminer
+pypdf2<3
+rl-renderPM  # reportlab accelerator
+xlrd<2  # xlrd 2 dropped xlsx reading capability
+
+# We use no-binary for psycopg2 because its binary wheels are sometimes broken
+# and not very portable.
+--no-binary psycopg2
+
+# other test requirements
+coverage
+websocket-client

requirements-16.0.txt

@@ -0,0 +1,16 @@
+# Add requirements and bounds that are missing from Odoo's setup.py.
+freezegun
+lxml-html-clean
+num2words
+pdfminer
+pypdf2<3
+rl-renderPM  # reportlab accelerator
+xlrd<2  # xlrd 2 dropped xlsx reading capability
+
+# We use no-binary for psycopg2 because its binary wheels are sometimes broken
+# and not very portable.
+--no-binary psycopg2
+
+# other test requirements
+coverage
+websocket-client

requirements-17.0.txt

@@ -0,0 +1,16 @@
+# Add requirements and bounds that are missing from Odoo's setup.py.
+freezegun
+lxml-html-clean
+num2words
+pdfminer
+pypdf2<3
+rl-renderPM  # reportlab accelerator
+xlrd<2  # xlrd 2 dropped xlsx reading capability
+
+# We use no-binary for psycopg2 because its binary wheels are sometimes broken
+# and not very portable.
+--no-binary psycopg2
+
+# other test requirements
+coverage
+websocket-client