Pylint CI improvements

* Move the pylint CI configuration to a separate script
* Update pylint in CI to 2.1.1
* Add pycurl to pylint whitelist

.gitlab-ci.yml

@@ -1,6 +1,7 @@
 before_script:
-  - sudo apt-get update -qq && sudo apt-get install -y -qq libtool pkg-config python3-openssl gir1.2-gtk-3.0 python3-gi python3-nbxmpp-nightly pylint3 python3-cairo
+  - sudo apt-get update -qq && sudo apt-get install -y -qq libtool pkg-config python3-openssl gir1.2-gtk-3.0 python3-gi python3-nbxmpp-nightly python3-cairo python3-pip
   - sudo apt-get build-dep -y -qq gajim-default-nightly
+  - sudo pip3 install pylint==2.1.1
 
 stages:
   - test
@@ -19,7 +20,9 @@ run-mypy:
 run-pylint:
   stage: test
   script:
-    - pylint3 --jobs=2 --disable=C0103,C0302,C0330,C0411,C0412,C0413,E0203,E0401,E0611,E0710,E0712,E1101,E1102,E1128,E1133,E1136,R0201,R0901,R0904,R0913,R0916,R1702,R1706,R1711,R1716,W0201,W0212,W0221,W0223,W0311,W0401,W0603,W0613,W0614 gajim
+    - pylint3 --version
+    - pylint --version
+    - scripts/dev/pylint-ci.sh --jobs=2 gajim
 
 run-build:
   stage: build

gajim/common/connection.py

@@ -1031,7 +1031,7 @@ class Connection(CommonConnection, ConnectionHandlers):
         nbxmpp.dispatcher_nb.DEFAULT_TIMEOUT_SECONDS = \
             self.try_connecting_for_foo_secs
         # FIXME: this is a hack; need a better way
-        if self.on_connect_success == self._on_new_account:
+        if self.on_connect_success == self._on_new_account: # pylint: disable=comparison-with-callable
             con.RegisterDisconnectHandler(self._on_new_account)
 
         if self.client_cert and app.config.get_per('accounts', self.name,

pylintrc

@@ -3,7 +3,7 @@
 # A comma-separated list of package or module names from where C extensions may
 # be loaded. Extensions are loading into the active Python interpreter and may
 # run arbitrary code
-extension-pkg-whitelist=
+extension-pkg-whitelist=pycurl
 
 # Add files or directories to the blacklist. They should be base names, not
 # paths.

scripts/dev/pre-push-tests.sh

@@ -1,38 +1,4 @@
-mypy gajim
-pylint --jobs=2 --disable=C0103,C0302,C0330,C0411,C0412,C0413,E0203,E0401,E0611,E0710,E0712,E1101,E1102,E1128,E1133,E1136,R0201,R0901,R0904,R0913,R0916,R1702,R1706,R1711,R1716,W0143,W0201,W0212,W0221,W0223,W0311,W0401,W0603,W0613,W0614 gajim
+SCRIPTDIR=$(dirname $0)
 
-# C0103 invalid-name
-# C0302 too-many-lines
-# C0330 bad-continuation
-# C0411 wrong-import-order
-# C0412 ungrouped-imports
-# C0413 wrong-import-position
-# E0203 access-member-before-definition
-# E0401 import-error
-# E0611 no-name-in-module
-# E0710 raising-non-exception   - GLib.GError is not recognized
-# E0712 catching-non-exception  - GLib.GError is not recognized
-# E1101 no-member
-# E1102 not-callable
-# E1128 assignment-from-none
-# E1133 not-an-iterable
-# E1136 unsubscriptable-object
-# R0201 no-self-use
-# R0901 too-many-ancestors
-# R0904 too-many-public-methods
-# R0913 too-many-arguments
-# R0916 too-many-boolean-expressions
-# R1702
-# R1706
-# R1711
-# R1716
-# W0143 comparison-with-callable - Dont add to Server CI, only available on pylint 2.0+
-# W0201 attribute-defined-outside-init
-# W0212 protected-access
-# W0221 arguments-differ
-# W0223 abstract-method
-# W0311 bad-indentation
-# W0401 wildcard-import
-# W0603 global-statement
-# W0613 unused-argument
-# W0614 unused-wildcard-import
+mypy gajim
+${SCRIPTDIR}/pylint-ci.sh --jobs=0 gajim

scripts/dev/pylint-ci.sh

@@ -0,0 +1,39 @@
+#!/bin/sh
+PYLINT=${PYLINT:-pylint}
+
+"$PYLINT" --disable=C0103,C0302,C0330,C0411,C0412,C0413,E0203,E0401,E0611,E0710,E0712,E1101,E1102,E1128,E1133,E1136,R0201,R0901,R0904,R0913,R0916,R1702,R1706,R1711,R1716,W0201,W0212,W0221,W0223,W0311,W0401,W0603,W0613,W0614 "$@"
+
+# C0103 invalid-name
+# C0302 too-many-lines
+# C0330 bad-continuation
+# C0411 wrong-import-order
+# C0412 ungrouped-imports
+# C0413 wrong-import-position
+# E0203 access-member-before-definition
+# E0401 import-error
+# E0611 no-name-in-module
+# E0710 raising-non-exception   - GLib.GError is not recognized
+# E0712 catching-non-exception  - GLib.GError is not recognized
+# E1101 no-member
+# E1102 not-callable
+# E1128 assignment-from-none
+# E1133 not-an-iterable
+# E1136 unsubscriptable-object
+# R0201 no-self-use
+# R0901 too-many-ancestors
+# R0904 too-many-public-methods
+# R0913 too-many-arguments
+# R0916 too-many-boolean-expressions
+# R1702
+# R1706
+# R1711
+# R1716
+# W0201 attribute-defined-outside-init
+# W0212 protected-access
+# W0221 arguments-differ
+# W0223 abstract-method
+# W0311 bad-indentation
+# W0401 wildcard-import
+# W0603 global-statement
+# W0613 unused-argument
+# W0614 unused-wildcard-import