strip cr in paste body

Dockerfile

@@ -1,4 +1,4 @@
-FROM ubuntu:bionic
+FROM ubuntu:focal
 
 RUN sed -i -E 's/(archive|security).ubuntu.com/192.168.1.142/' /etc/apt/sources.list && \
     sed -i -E 's/^deb-src/# deb-src/' /etc/apt/sources.list && \
@@ -6,11 +6,11 @@ RUN sed -i -E 's/(archive|security).ubuntu.com/192.168.1.142/' /etc/apt/sources.
     DEBIAN_FRONTEND=noninteractive \
         apt-get install -y -o Dpkg::Options::="--force-confdef" -o Dpkg::Options::="--force-confold" \
             wget gpg git build-essential && \
-    wget -qO- http://artifact.scc.net.davepedu.com/repo/apt/extpython/dists/bionic/install | bash /dev/stdin && \
+    wget -qO- http://artifact.scc.net.davepedu.com/repo/apt/extpython/dists/focal/install | bash /dev/stdin && \
     apt-get update && \
     DEBIAN_FRONTEND=noninteractive \
         apt-get install -y -o Dpkg::Options::="--force-confdef" -o Dpkg::Options::="--force-confold" \
-            extpython-python3.7 && \
+            extpython-python3.9 && \
     apt-get clean autoclean && \
     apt-get autoremove -y && \
     rm -rf /var/lib/{apt,dpkg,cache,log}/
@@ -18,9 +18,9 @@ RUN sed -i -E 's/(archive|security).ubuntu.com/192.168.1.142/' /etc/apt/sources.
 ADD . /tmp/code
 
 RUN cd /tmp/code && \
-    /opt/extpython/3.7/bin/pip3 install -r requirements.txt && \
-    /opt/extpython/3.7/bin/python3 setup.py install && \
+    /opt/extpython/3.9/bin/pip3 install -r requirements.txt && \
+    /opt/extpython/3.9/bin/python3 setup.py install && \
     useradd --uid 1000 app
 
 USER app
-ENTRYPOINT ["/opt/extpython/3.7/bin/wastebind"]
+ENTRYPOINT ["/opt/extpython/3.9/bin/wastebind"]

requirements.txt

@@ -1,32 +1,28 @@
-appdirs==1.4.3
-asn1crypto==0.24.0
-backports.functools-lru-cache==1.5
-BTrees==4.5.1
-certifi==2019.3.9
-cffi==1.12.3
-chardet==3.0.4
-cheroot==6.5.5
-CherryPy==18.1.1
-cryptography==2.7
-idna==2.8
-jaraco.functools==2.0
-more-itertools==7.0.0
-perfmetrics==2.0
-persistent==4.5.0
-portend==2.4
-pycparser==2.19
-PyMySQL==0.9.3
-pytz==2019.1
+appdirs==1.4.4
+BTrees==4.9.2
+cffi==1.15.0
+cheroot==8.6.0
+CherryPy==18.6.1
+jaraco.classes==3.2.1
+jaraco.collections==3.5.1
+jaraco.context==4.1.1
+jaraco.functools==3.5.0
+jaraco.text==3.7.0
+more-itertools==8.12.0
+perfmetrics==3.2.0.post0
+persistent==4.7.0
+portend==3.1.0
+pycparser==2.21
+PyMySQL==1.0.2
+pytz==2021.3
 -e git+https://git.davepedu.com/dave/relstorage.git@5ae138b71a0eeb740208e61cfd1662c49738ee45#egg=RelStorage
-requests==2.22.0
-six==1.12.0
-tempora==1.14.1
-transaction==2.4.0
-urllib3==1.25.3
-zc.lockfile==1.4
-ZConfig==3.4.0
+six==1.16.0
+tempora==5.0.1
+transaction==3.0.1
+zc.lockfile==2.0
+ZConfig==3.6.0
 zdaemon==4.3
-ZEO==5.2.1
-ZODB==5.5.1
-zodbpickle==1.0.3
-zope.interface==4.6.0
+ZEO==5.2.3
+ZODB==5.6.0
+zodbpickle==2.2.0
+zope.interface==5.4.0

wastebin/daemon.py

@@ -119,7 +119,7 @@ class WasteWeb(object):
     def make(self, name, contents):
         if not RE_NAME.match(name):
             raise cherrypy.HTTPError(400, f"paste name must match {RE_NAME_RAW}")
-        self.db.writepaste(name, contents)
+        self.db.writepaste(name, contents.replace("\r", ""))
         raise cherrypy.HTTPRedirect("/" + name)
 
     @cherrypy.expose