Update Python 3 version in v11 and v12

Python 3.5 is flawed. It affects Odoo badly as shown in odoo/odoo#20158. Odoo claims to have included a workaround for that in their code, but that simply doesn't work according to real world tests.

The only fix is to update Python version, so here's the update.

@Tecnativa TT21841

11.0.Dockerfile

@@ -1,4 +1,4 @@
-FROM python:3.5-stretch AS base
+FROM python:3.7-stretch AS base
 
 EXPOSE 8069 8072
 
@@ -80,17 +80,17 @@ RUN pip install \
         wdb \
     && sync
 COPY bin-deprecated/* bin/* /usr/local/bin/
-COPY lib/doodbalib /usr/local/lib/python3.5/site-packages/doodbalib
-RUN ln -s /usr/local/lib/python3.5/site-packages/doodbalib \
-    /usr/local/lib/python3.5/site-packages/odoobaselib
+COPY lib/doodbalib /usr/local/lib/python3.7/site-packages/doodbalib
+RUN ln -s /usr/local/lib/python3.7/site-packages/doodbalib \
+    /usr/local/lib/python3.7/site-packages/odoobaselib
 COPY build.d common/build.d
 COPY conf.d common/conf.d
 COPY entrypoint.d common/entrypoint.d
 RUN mkdir -p auto/addons custom/src/private \
     && ln /usr/local/bin/direxec common/entrypoint \
     && ln /usr/local/bin/direxec common/build \
     && chmod -R a+rx common/entrypoint* common/build* /usr/local/bin \
-    && chmod -R a+rX /usr/local/lib/python3.5/site-packages/doodbalib \
+    && chmod -R a+rX /usr/local/lib/python3.7/site-packages/doodbalib \
     && sync
 
 # Doodba-QA dependencies in a separate virtualenv
@@ -119,7 +119,7 @@ RUN debs="libldap2-dev libsasl2-dev" \
     && apt-get install -yqq --no-install-recommends $debs \
     && pip install \
         -r https://raw.githubusercontent.com/$ODOO_SOURCE/$ODOO_VERSION/requirements.txt \
-    && (python3 -m compileall -q /usr/local/lib/python3.5/ || true) \
+    && (python3 -m compileall -q /usr/local/lib/python3.7/ || true) \
     && apt-get purge -yqq $debs \
     && rm -Rf /var/lib/apt/lists/* /tmp/*
 

12.0.Dockerfile

@@ -1,4 +1,4 @@
-FROM python:3.5-stretch AS base
+FROM python:3.7-stretch AS base
 
 EXPOSE 8069 8072
 
@@ -76,15 +76,15 @@ RUN pip install \
         wdb \
     && sync
 COPY bin-deprecated/* bin/* /usr/local/bin/
-COPY lib/doodbalib /usr/local/lib/python3.5/site-packages/doodbalib
+COPY lib/doodbalib /usr/local/lib/python3.7/site-packages/doodbalib
 COPY build.d common/build.d
 COPY conf.d common/conf.d
 COPY entrypoint.d common/entrypoint.d
 RUN mkdir -p auto/addons custom/src/private \
     && ln /usr/local/bin/direxec common/entrypoint \
     && ln /usr/local/bin/direxec common/build \
     && chmod -R a+rx common/entrypoint* common/build* /usr/local/bin \
-    && chmod -R a+rX /usr/local/lib/python3.5/site-packages/doodbalib \
+    && chmod -R a+rX /usr/local/lib/python3.7/site-packages/doodbalib \
     && sync
 
 # Doodba-QA dependencies in a separate virtualenv
@@ -115,7 +115,7 @@ RUN debs="libldap2-dev libsasl2-dev" \
         -r https://raw.githubusercontent.com/$ODOO_SOURCE/$ODOO_VERSION/requirements.txt \
         phonenumbers \
         'websocket-client~=0.53' \
-    && (python3 -m compileall -q /usr/local/lib/python3.5/ || true) \
+    && (python3 -m compileall -q /usr/local/lib/python3.7/ || true) \
     && apt-get purge -yqq $debs \
     && rm -Rf /var/lib/apt/lists/* /tmp/*