switch from python2 to python3 + refactoring

INSTALL

@@ -3,7 +3,7 @@ Welcome to the Redminebot install notes.
 
 Steps:
 
-0) Python 2 is required.
+0) Python 3 is required.
 
 1) git clone.
 

README

@@ -5,5 +5,5 @@ Agirbot is based on Redminebot.
 
 Agirbot is a free software by April.
 
-Offical repository: https://agir.april.org/projects/admins/repository/agirbot
+Offical repository: https://forge.april.org/adminsys/agirbot
 

pylint.conf

@@ -0,0 +1,586 @@
+[MASTER]
+
+# 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=
+
+# Add files or directories to the blacklist. They should be base names, not
+# paths.
+ignore=CVS
+
+# Add files or directories matching the regex patterns to the blacklist. The
+# regex matches against base names, not paths.
+ignore-patterns=
+
+# Python code to execute, usually for sys.path manipulation such as
+# pygtk.require().
+#init-hook=
+
+# Use multiple processes to speed up Pylint. Specifying 0 will auto-detect the
+# number of processors available to use.
+jobs=1
+
+# Control the amount of potential inferred values when inferring a single
+# object. This can help the performance when dealing with large functions or
+# complex, nested conditions.
+limit-inference-results=100
+
+# List of plugins (as comma separated values of python module names) to load,
+# usually to register additional checkers.
+load-plugins=
+
+# Pickle collected data for later comparisons.
+persistent=yes
+
+# Specify a configuration file.
+#rcfile=
+
+# When enabled, pylint would attempt to guess common misconfiguration and emit
+# user-friendly hints instead of false-positive error messages.
+suggestion-mode=yes
+
+# Allow loading of arbitrary C extensions. Extensions are imported into the
+# active Python interpreter and may run arbitrary code.
+unsafe-load-any-extension=no
+
+
+[MESSAGES CONTROL]
+
+# Only show warnings with the listed confidence levels. Leave empty to show
+# all. Valid levels: HIGH, INFERENCE, INFERENCE_FAILURE, UNDEFINED.
+confidence=
+
+# Disable the message, report, category or checker with the given id(s). You
+# can either give multiple identifiers separated by comma (,) or put this
+# option multiple times (only on the command line, not in the configuration
+# file where it should appear only once). You can also use "--disable=all" to
+# disable everything first and then reenable specific checks. For example, if
+# you want to run only the similarities checker, you can use "--disable=all
+# --enable=similarities". If you want to run only the classes checker, but have
+# no Warning level messages displayed, use "--disable=all --enable=classes
+# --disable=W".
+disable=print-statement,
+        parameter-unpacking,
+        unpacking-in-except,
+        old-raise-syntax,
+        backtick,
+        long-suffix,
+        old-ne-operator,
+        old-octal-literal,
+        import-star-module-level,
+        non-ascii-bytes-literal,
+        raw-checker-failed,
+        bad-inline-option,
+        locally-disabled,
+        file-ignored,
+        suppressed-message,
+        useless-suppression,
+        deprecated-pragma,
+        use-symbolic-message-instead,
+        apply-builtin,
+        basestring-builtin,
+        buffer-builtin,
+        cmp-builtin,
+        coerce-builtin,
+        execfile-builtin,
+        file-builtin,
+        long-builtin,
+        raw_input-builtin,
+        reduce-builtin,
+        standarderror-builtin,
+        unicode-builtin,
+        xrange-builtin,
+        coerce-method,
+        delslice-method,
+        getslice-method,
+        setslice-method,
+        no-absolute-import,
+        old-division,
+        dict-iter-method,
+        dict-view-method,
+        next-method-called,
+        metaclass-assignment,
+        indexing-exception,
+        raising-string,
+        reload-builtin,
+        oct-method,
+        hex-method,
+        nonzero-method,
+        cmp-method,
+        input-builtin,
+        round-builtin,
+        intern-builtin,
+        unichr-builtin,
+        map-builtin-not-iterating,
+        zip-builtin-not-iterating,
+        range-builtin-not-iterating,
+        filter-builtin-not-iterating,
+        using-cmp-argument,
+        eq-without-hash,
+        div-method,
+        idiv-method,
+        rdiv-method,
+        exception-message-attribute,
+        invalid-str-codec,
+        sys-max-int,
+        bad-python3-import,
+        deprecated-string-function,
+        deprecated-str-translate-call,
+        deprecated-itertools-function,
+        deprecated-types-field,
+        next-method-defined,
+        dict-items-not-iterating,
+        dict-keys-not-iterating,
+        dict-values-not-iterating,
+        deprecated-operator-function,
+        deprecated-urllib-function,
+        xreadlines-attribute,
+        deprecated-sys-function,
+        exception-escape,
+        comprehension-escape,
+        missing-function-docstring,
+        missing-class-docstring,
+        missing-module-docstring,
+        too-few-public-methods,
+        broad-except
+
+# Enable the message, report, category or checker with the given id(s). You can
+# either give multiple identifier separated by comma (,) or put this option
+# multiple time (only on the command line, not in the configuration file where
+# it should appear only once). See also the "--disable" option for examples.
+enable=c-extension-no-member
+
+
+[REPORTS]
+
+# Python expression which should return a score less than or equal to 10. You
+# have access to the variables 'error', 'warning', 'refactor', and 'convention'
+# which contain the number of messages in each category, as well as 'statement'
+# which is the total number of statements analyzed. This score is used by the
+# global evaluation report (RP0004).
+evaluation=10.0 - ((float(5 * error + warning + refactor + convention) / statement) * 10)
+
+# Template used to display messages. This is a python new-style format string
+# used to format the message information. See doc for all details.
+#msg-template=
+
+# Set the output format. Available formats are text, parseable, colorized, json
+# and msvs (visual studio). You can also give a reporter class, e.g.
+# mypackage.mymodule.MyReporterClass.
+output-format=text
+
+# Tells whether to display a full report or only the messages.
+reports=no
+
+# Activate the evaluation score.
+score=yes
+
+
+[REFACTORING]
+
+# Maximum number of nested blocks for function / method body
+max-nested-blocks=5
+
+# Complete name of functions that never returns. When checking for
+# inconsistent-return-statements if a never returning function is called then
+# it will be considered as an explicit return statement and no message will be
+# printed.
+never-returning-functions=sys.exit
+
+
+[STRING]
+
+# This flag controls whether the implicit-str-concat-in-sequence should
+# generate a warning on implicit string concatenation in sequences defined over
+# several lines.
+check-str-concat-over-line-jumps=no
+
+
+[LOGGING]
+
+# Format style used to check logging format string. `old` means using %
+# formatting, `new` is for `{}` formatting,and `fstr` is for f-strings.
+logging-format-style=old
+
+# Logging modules to check that the string format arguments are in logging
+# function parameter format.
+logging-modules=logging
+
+
+[BASIC]
+
+# Naming style matching correct argument names.
+argument-naming-style=snake_case
+
+# Regular expression matching correct argument names. Overrides argument-
+# naming-style.
+#argument-rgx=
+
+# Naming style matching correct attribute names.
+attr-naming-style=snake_case
+
+# Regular expression matching correct attribute names. Overrides attr-naming-
+# style.
+#attr-rgx=
+
+# Bad variable names which should always be refused, separated by a comma.
+bad-names=foo,
+          bar,
+          baz,
+          toto,
+          tutu,
+          tata
+
+# Naming style matching correct class attribute names.
+class-attribute-naming-style=any
+
+# Regular expression matching correct class attribute names. Overrides class-
+# attribute-naming-style.
+#class-attribute-rgx=
+
+# Naming style matching correct class names.
+class-naming-style=PascalCase
+
+# Regular expression matching correct class names. Overrides class-naming-
+# style.
+#class-rgx=
+
+# Naming style matching correct constant names.
+const-naming-style=UPPER_CASE
+
+# Regular expression matching correct constant names. Overrides const-naming-
+# style.
+#const-rgx=
+
+# Minimum line length for functions/classes that require docstrings, shorter
+# ones are exempt.
+docstring-min-length=-1
+
+# Naming style matching correct function names.
+function-naming-style=snake_case
+
+# Regular expression matching correct function names. Overrides function-
+# naming-style.
+#function-rgx=
+
+# Good variable names which should always be accepted, separated by a comma.
+good-names=i,
+           j,
+           k,
+           ex,
+           Run,
+           _
+
+# Include a hint for the correct naming format with invalid-name.
+include-naming-hint=no
+
+# Naming style matching correct inline iteration names.
+inlinevar-naming-style=any
+
+# Regular expression matching correct inline iteration names. Overrides
+# inlinevar-naming-style.
+#inlinevar-rgx=
+
+# Naming style matching correct method names.
+method-naming-style=snake_case
+
+# Regular expression matching correct method names. Overrides method-naming-
+# style.
+#method-rgx=
+
+# Naming style matching correct module names.
+module-naming-style=snake_case
+
+# Regular expression matching correct module names. Overrides module-naming-
+# style.
+#module-rgx=
+
+# Colon-delimited sets of names that determine each other's naming style when
+# the name regexes allow several styles.
+name-group=
+
+# Regular expression which should only match function or class names that do
+# not require a docstring.
+no-docstring-rgx=^_
+
+# List of decorators that produce properties, such as abc.abstractproperty. Add
+# to this list to register other decorators that produce valid properties.
+# These decorators are taken in consideration only for invalid-name.
+property-classes=abc.abstractproperty
+
+# Naming style matching correct variable names.
+variable-naming-style=snake_case
+
+# Regular expression matching correct variable names. Overrides variable-
+# naming-style.
+#variable-rgx=
+
+
+[VARIABLES]
+
+# List of additional names supposed to be defined in builtins. Remember that
+# you should avoid defining new builtins when possible.
+additional-builtins=
+
+# Tells whether unused global variables should be treated as a violation.
+allow-global-unused-variables=yes
+
+# List of strings which can identify a callback function by name. A callback
+# name must start or end with one of those strings.
+callbacks=cb_,
+          _cb
+
+# A regular expression matching the name of dummy variables (i.e. expected to
+# not be used).
+dummy-variables-rgx=_+$|(_[a-zA-Z0-9_]*[a-zA-Z0-9]+?$)|dummy|^ignored_|^unused_
+
+# Argument names that match this expression will be ignored. Default to name
+# with leading underscore.
+ignored-argument-names=_.*|^ignored_|^unused_
+
+# Tells whether we should check for unused import in __init__ files.
+init-import=no
+
+# List of qualified module names which can have objects that can redefine
+# builtins.
+redefining-builtins-modules=six.moves,past.builtins,future.builtins,builtins,io
+
+
+[TYPECHECK]
+
+# List of decorators that produce context managers, such as
+# contextlib.contextmanager. Add to this list to register other decorators that
+# produce valid context managers.
+contextmanager-decorators=contextlib.contextmanager
+
+# List of members which are set dynamically and missed by pylint inference
+# system, and so shouldn't trigger E1101 when accessed. Python regular
+# expressions are accepted.
+generated-members=
+
+# Tells whether missing members accessed in mixin class should be ignored. A
+# mixin class is detected if its name ends with "mixin" (case insensitive).
+ignore-mixin-members=yes
+
+# Tells whether to warn about missing members when the owner of the attribute
+# is inferred to be None.
+ignore-none=yes
+
+# This flag controls whether pylint should warn about no-member and similar
+# checks whenever an opaque object is returned when inferring. The inference
+# can return multiple potential results while evaluating a Python object, but
+# some branches might not be evaluated, which results in partial inference. In
+# that case, it might be useful to still emit no-member and other checks for
+# the rest of the inferred objects.
+ignore-on-opaque-inference=yes
+
+# List of class names for which member attributes should not be checked (useful
+# for classes with dynamically set attributes). This supports the use of
+# qualified names.
+ignored-classes=optparse.Values,thread._local,_thread._local
+
+# List of module names for which member attributes should not be checked
+# (useful for modules/projects where namespaces are manipulated during runtime
+# and thus existing member attributes cannot be deduced by static analysis). It
+# supports qualified module names, as well as Unix pattern matching.
+ignored-modules=
+
+# Show a hint with possible names when a member name was not found. The aspect
+# of finding the hint is based on edit distance.
+missing-member-hint=yes
+
+# The minimum edit distance a name should have in order to be considered a
+# similar match for a missing member name.
+missing-member-hint-distance=1
+
+# The total number of similar names that should be taken in consideration when
+# showing a hint for a missing member.
+missing-member-max-choices=1
+
+# List of decorators that change the signature of a decorated function.
+signature-mutators=
+
+
+[SPELLING]
+
+# Limits count of emitted suggestions for spelling mistakes.
+max-spelling-suggestions=4
+
+# Spelling dictionary name. Available dictionaries: none. To make it work,
+# install the python-enchant package.
+spelling-dict=
+
+# List of comma separated words that should not be checked.
+spelling-ignore-words=
+
+# A path to a file that contains the private dictionary; one word per line.
+spelling-private-dict-file=
+
+# Tells whether to store unknown words to the private dictionary (see the
+# --spelling-private-dict-file option) instead of raising a message.
+spelling-store-unknown-words=no
+
+
+[MISCELLANEOUS]
+
+# List of note tags to take in consideration, separated by a comma.
+notes=FIXME,
+      XXX,
+      TODO
+
+
+[SIMILARITIES]
+
+# Ignore comments when computing similarities.
+ignore-comments=yes
+
+# Ignore docstrings when computing similarities.
+ignore-docstrings=yes
+
+# Ignore imports when computing similarities.
+ignore-imports=no
+
+# Minimum lines number of a similarity.
+min-similarity-lines=4
+
+
+[FORMAT]
+
+# Expected format of line ending, e.g. empty (any line ending), LF or CRLF.
+expected-line-ending-format=
+
+# Regexp for a line that is allowed to be longer than the limit.
+ignore-long-lines=^\s*(# )?<?https?://\S+>?$
+
+# Number of spaces of indent required inside a hanging or continued line.
+indent-after-paren=4
+
+# String used as indentation unit. This is usually "    " (4 spaces) or "\t" (1
+# tab).
+indent-string='    '
+
+# Maximum number of characters on a single line.
+max-line-length=120
+
+# Maximum number of lines in a module.
+max-module-lines=1000
+
+# List of optional constructs for which whitespace checking is disabled. `dict-
+# separator` is used to allow tabulation in dicts, etc.: {1  : 1,\n222: 2}.
+# `trailing-comma` allows a space between comma and closing bracket: (a, ).
+# `empty-line` allows space-only lines.
+no-space-check=trailing-comma,
+               dict-separator
+
+# Allow the body of a class to be on the same line as the declaration if body
+# contains single statement.
+single-line-class-stmt=no
+
+# Allow the body of an if to be on the same line as the test if there is no
+# else.
+single-line-if-stmt=no
+
+
+[IMPORTS]
+
+# List of modules that can be imported at any level, not just the top level
+# one.
+allow-any-import-level=
+
+# Allow wildcard imports from modules that define __all__.
+allow-wildcard-with-all=no
+
+# Analyse import fallback blocks. This can be used to support both Python 2 and
+# 3 compatible code, which means that the block might have code that exists
+# only in one or another interpreter, leading to false positives when analysed.
+analyse-fallback-blocks=no
+
+# Deprecated modules which should not be used, separated by a comma.
+deprecated-modules=optparse,tkinter.tix
+
+# Create a graph of external dependencies in the given file (report RP0402 must
+# not be disabled).
+ext-import-graph=
+
+# Create a graph of every (i.e. internal and external) dependencies in the
+# given file (report RP0402 must not be disabled).
+import-graph=
+
+# Create a graph of internal dependencies in the given file (report RP0402 must
+# not be disabled).
+int-import-graph=
+
+# Force import order to recognize a module as part of the standard
+# compatibility libraries.
+known-standard-library=
+
+# Force import order to recognize a module as part of a third party library.
+known-third-party=enchant
+
+# Couples of modules and preferred modules, separated by a comma.
+preferred-modules=
+
+
+[DESIGN]
+
+# Maximum number of arguments for function / method.
+max-args=5
+
+# Maximum number of attributes for a class (see R0902).
+max-attributes=7
+
+# Maximum number of boolean expressions in an if statement (see R0916).
+max-bool-expr=5
+
+# Maximum number of branch for function / method body.
+max-branches=12
+
+# Maximum number of locals for function / method body.
+max-locals=15
+
+# Maximum number of parents for a class (see R0901).
+max-parents=7
+
+# Maximum number of public methods for a class (see R0904).
+max-public-methods=20
+
+# Maximum number of return / yield for function / method body.
+max-returns=6
+
+# Maximum number of statements in function / method body.
+max-statements=50
+
+# Minimum number of public methods for a class (see R0903).
+min-public-methods=2
+
+
+[CLASSES]
+
+# List of method names used to declare (i.e. assign) instance attributes.
+defining-attr-methods=__init__,
+                      __new__,
+                      setUp,
+                      __post_init__
+
+# List of member names, which should be excluded from the protected access
+# warning.
+exclude-protected=_asdict,
+                  _fields,
+                  _replace,
+                  _source,
+                  _make
+
+# List of valid names for the first argument in a class method.
+valid-classmethod-first-arg=cls
+
+# List of valid names for the first argument in a metaclass class method.
+valid-metaclass-classmethod-first-arg=cls
+
+
+[EXCEPTIONS]
+
+# Exceptions that will emit a warning when being caught. Defaults to
+# "BaseException, Exception".
+overgeneral-exceptions=BaseException,
+                       Exception

redminebot.py

@@ -1,254 +1,242 @@
 #!/usr/bin/env python3
-# -*- coding: utf-8 -1 -*-
 
-# Need: python3-iso8601 python3-feedparser
+import socket
-
+import sys
-# Import some necessary libraries.
+import re
-import socket, sys, time, csv, queue, random, re, pdb, select, os.path, datetime
+import select
-from threading import Thread
+import os.path
-import feedparser
-import xml.dom.minidom
-from time import mktime, localtime
-
-import iso8601
 import configparser
+from datetime import datetime, timedelta, timezone
+from typing import Generator
+
+import feedparser
 
 # Help configuration.
-help_list = ["help", "faq", "aide"]
+HELP_LIST = ["help", "faq", "aide"]
-hello_list = ["hello", "yo", "bonjour", "salut"]
+HELLO_LIST = ["hello", "yo", "bonjour", "salut"]
 
 # Load configuration.
-configurationFilename = "/etc/redminebot/redminebot.conf"
+CONFIG_FILENAME = "/etc/redminebot/redminebot.conf"
 if len(sys.argv) == 2:
-    configurationFilename = sys.argv[1]
+    CONFIG_FILENAME = sys.argv[1]
 
-if os.path.isfile(configurationFilename):
+if os.path.isfile(CONFIG_FILENAME):
-    print("Using configuration file: " + configurationFilename)
+    print(f"Using configuration file: {CONFIG_FILENAME}")
-    config = configparser.RawConfigParser()
+    CONFIG = configparser.ConfigParser()
-    config.read(configurationFilename)
+    CONFIG.read(CONFIG_FILENAME)
 
-    default_server = config.get("IRCSection", "irc.server")
+    DEFAULT_SERVER = CONFIG.get("IRCSection", "irc.server")
-    default_nickname = config.get("IRCSection", "irc.nickname")
+    DEFAULT_NICKNAME = CONFIG.get("IRCSection", "irc.nickname")
-    registered = config.get("IRCSection", "irc.registered")
+    REGISTERED = CONFIG.get("IRCSection", "irc.registered")
-    password = config.get("IRCSection", "irc.password")
+    PASSWORD = CONFIG.get("IRCSection", "irc.password")
 
-    projectId1 = config.get("IRCSection", "irc.projects.1.id")
+    PROJECT_ID_1 = CONFIG.get("IRCSection", "irc.projects.1.id")
-    projectChannel1 = config.get("IRCSection", "irc.projects.1.channel")
+    PROJECT_CHANNEL_1 = CONFIG.get("IRCSection", "irc.projects.1.channel")
-    projectId2 = config.get("IRCSection", "irc.projects.2.id")
+    PROJECT_ID_2 = CONFIG.get("IRCSection", "irc.projects.2.id")
-    projectChannel2 = config.get("IRCSection", "irc.projects.2.channel")
+    PROJECT_CHANNEL_2 = CONFIG.get("IRCSection", "irc.projects.2.channel")
-    projectId3 = config.get("IRCSection", "irc.projects.3.id")
+    PROJECT_ID_3 = CONFIG.get("IRCSection", "irc.projects.3.id")
-    projectChannel3 = config.get("IRCSection", "irc.projects.3.channel")
+    PROJECT_CHANNEL_3 = CONFIG.get("IRCSection", "irc.projects.3.channel")
 
 else:
     print("Missing configuration file.")
     sys.exit()
 
 
-#########################
+class Project:
-### Class Definitions ###
-#########################
 
-
+    def __init__(self, project: str, channel: str):
-class Project(object):
-    def __init__(self, project, channel):
         self.name = project
         self.channel = channel
-        self.redmine_next = datetime.datetime.utcnow()
+        self.redmine_next = datetime.now(tz=timezone.utc)
-        self.redmine_latest = datetime.datetime.utcnow()
+        self.redmine_latest = datetime.now(tz=timezone.utc)
 
-    def set_ircsock(self, ircsock):
+    def redmine(self) -> Generator[str, None, None]:
-        self.ircsock = ircsock
+        now = datetime.now(tz=timezone.utc)
+        if now < self.redmine_next:
+            return
 
-    def redmine(self):
-        t = datetime.datetime.utcnow()
-        #        print ("Running: %s (%s) for %s" % ( t, self.redmine_next, self.channel ))
-        if t >= self.redmine_next:
         latest_new = self.redmine_latest
-
+        self.redmine_next = self.redmine_next + timedelta(seconds=10)
-            self.redmine_next = self.redmine_next + datetime.timedelta(seconds=10)
+        redmine = feedparser.parse(f"http://agir.april.org/projects/{self.name}/activity.atom?show_issues=1")
-            redmine = feedparser.parse(
-                "http://agir.april.org/projects/%s/activity.atom?show_issues=1"
-                % self.name
-            )
 
         for i in reversed(range(len(redmine.entries))):
-                e = redmine.entries[i]
+            redmine_entry = redmine.entries[i]
-                et = e.updated_parsed
+            entry_updated = parse_redmine_datetime(redmine_entry.updated)
-                td = iso8601.parse_date(e.updated)
+
-                if td.replace(tzinfo=None) > self.redmine_latest:
+            if entry_updated > self.redmine_latest:
-                    msg = "Redmine: (%s): %s" % (e.link, e.title)
+                yield f"Redmine: ({redmine_entry.link}): {redmine_entry.title}"
-                    self.ircsock.send(
-                        "PRIVMSG {0} :{1}\n".format(
-                            self.channel, msg.encode("utf-8", "ignore")
-                        ).encode()
-                    )
 
                 # find the new latest time
-                    if td.replace(tzinfo=None) > latest_new:
+                if entry_updated > latest_new:
-                        latest_new = td.replace(tzinfo=None)
+                    latest_new = entry_updated
+
         self.redmine_latest = latest_new
 
 
-# Defines a bot
+def generate_command_regex(options):
-class Bot(object):
-    def __init__(self, server, botnick):
-        self.botnick = botnick
-        self.hello_regex = re.compile(self.get_regex(hello_list), re.I)
-        self.help_regex = re.compile(self.get_regex(help_list), re.I)
-        self.server = server
-        self.projects = []
-
-    def connect(self):
-        self.ircsock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
-        self.ircsock.connect((self.server, 6667))
-        self.ircsock.send(
-            "USER {0} {0} {0} :Robot Agir April" ".\n".format(self.botnick).encode()
-        )  # bot authentication
-        self.ircsock.send(
-            "NICK {}\n".format(self.botnick).encode()
-        )  # Assign the nick to the bot.
-
-        if not password.strip() and registered == True:
-            print("PRIVMSG {} {} {}".format("NickServ", "IDENTIFY", password))
-            self.ircsock.send(
-                "PRIVMSG {} :{} {} {}".format(
-                    "NickServ", "IDENTIFY", self.botnick, password
-                ).encode()
-            )
-
-    def add_project(self, project):
-        project.set_ircsock(self.ircsock)
-        self.ircsock.send("JOIN {} \n".format(project.channel).encode())  # Joins channel
-        self.projects.append(project)
-
-    def get_project(self, name):
-        for project in self.projects:
-            if name[0] != "#" and project.name == name:
-                return project
-            elif name[0] == "#" and project.channel == name:
-                return project
-
-    # Main loop
-    def loop(self):
-        last_read = datetime.datetime.utcnow()
-        while 1:  # Loop forever
-            ready_to_read, b, c = select.select([self.ircsock], [], [], 1)
-            if ready_to_read:
-                last_read = datetime.datetime.utcnow()
-                ircmsg = self.msg_handler()
-                ircmsg, actor, channel = self.parse_messages(ircmsg)
-                if ircmsg is not None:
-                    self.message_response(ircmsg, actor, channel)
-            if datetime.datetime.utcnow() - last_read > datetime.timedelta(minutes=10):
-                raise Exception("timeout: nothing to read on socket since 10 minutes")
-
-    # Responds to server Pings.
-    def pong(self, ircmsg):
-        response = "PONG :" + ircmsg.split("PING :")[1] + "\n"
-        self.ircsock.send(response.encode())
-        self._redmine()
-
-    def _redmine(self):
-        for project in self.projects:
-            project.redmine()
-
-    # Parses messages and responds to them appropriately.
-    def message_response(self, ircmsg, actor, channel):
-        # If someone talks to (or refers to) the bot.
-        if (
-            (":!" in ircmsg or self.botnick.lower() in ircmsg.lower())
-            and actor != self.botnick
-            and "PRIVMSG".lower() in ircmsg.lower()
-        ):
-            if self.hello_regex.search(ircmsg):
-                self.bot_hello(channel, "Yo!")
-            if self.help_regex.search(ircmsg):
-                self.bot_help(channel)
-            if "refresh" in ircmsg.lower():
-                self.ircsock.send(
-                    "PRIVMSG {} :Raffraîchissement en cours\n".format(channel).encode()
-                )
-                project = self.get_project(channel)
-                if project:
-                    project.redmine()
-                    self.ircsock.send("PRIVMSG {} :Fait !\n".format(channel).encode())
-
-        # If the server pings us then we've got to respond!
-        if ircmsg.find("PING :") != -1:
-            self.pong(ircmsg)
-
-    # Responds to a user that inputs "Hello Mybot".
-    def bot_hello(self, channel, greeting):
-        self.ircsock.send("PRIVMSG {0} :{1}\n".format(channel, greeting).encode())
-
-    # Explains what the bot is when queried.
-    def bot_help(self, channel):
-        self.ircsock.send(
-            "PRIVMSG {} :Bonjour, je suis un bot qui reconnaît les options !help, !refresh et !bonjour\n".format(
-                channel
-            ).encode()
-        )
-        self.ircsock.send(
-            "PRIVMSG {} :Périodiquement, je vais afficher les actualités de http://agir.april.org/projects/{}.\n".format(
-                channel, self.get_project(channel).name
-            ).encode()
-        )
-
-    # Reads the messages from the server and adds them to the queue and prints
-    # them to the console. This function will be run in a thread, see below.
-    def msg_handler(
-        self,
-    ):  # pragma: no cover  (this excludes this function from testing)
-        new_msg = self.ircsock.recv(2048)  # receive data from the server
-        if not new_msg:
-            print("Empty recv. It seems I’ve lost my mind. I stop to be reborn.", new_msg)
-            #sys.exit(7)
-            time.sleep(1)
-        else:
-            new_msg = new_msg.strip("\n\r".encode())  # removing any unnecessary linebreaks
-            if new_msg != "" and new_msg.find("PING :".encode()) == -1:
-                print(datetime.datetime.now().isoformat() + " " + new_msg.decode())
-        return new_msg
-
-    # Checks for messages.
-    def parse_messages(self, ircmsg):
-        try:
-            actor = ircmsg.split(":")[1].split("!")[0]
-            try:
-                target = ircmsg.split(":")[1].split(" ")[2]
-            except:
-                target = None
-            return " ".join(ircmsg.split()), actor, target
-        except:
-            #            print ("Wrong message:", ircmsg)
-            return None, None, None
-
-    # Compile regex
-    def get_regex(self, options):
     pattern = "("
-        for s in options:
+    for option in options:
-            pattern += s
+        pattern += option
-            pattern += "|"
+        pattern += '|'
     pattern = pattern[:-1]
     pattern += ")"
     return pattern
 
 
-##########################
+def parse_irc_messages(irc_msg):
-### The main function. ###
+    try:
-##########################
+        actor = irc_msg.split(":")[1].split("!")[0]
+        try:
+            target = irc_msg.split(":")[1].split(" ")[2]
+        except Exception as exc:
+            print("Exception raised to irc message parsing:")
+            print(exc)
+            target = None
+        return " ".join(irc_msg.split()), actor, target
+    except Exception as exc:
+        print("Exception raised to irc message parsing:")
+        print(exc)
+        return None, None, None
+
+
+def parse_redmine_datetime(redmine_date: str) -> datetime:
+    date_with_iso_tz = redmine_date[:-1] + '+00:00'
+    return datetime.fromisoformat(date_with_iso_tz)
+
+
+class Bot:
+
+    def __init__(self, server, bot_nick):
+        self.bot_nick = bot_nick
+        self.hello_regex = re.compile(generate_command_regex(HELLO_LIST), re.I)
+        self.help_regex = re.compile(generate_command_regex(HELP_LIST), re.I)
+        self.server = server
+        self.projects = []
+        self.irc_socket = None
+
+    def send(self, msg: str):
+        self.irc_socket.send(msg.encode("utf-8", "ignore"))
+
+    def connect(self):
+        self.irc_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+        self.irc_socket.connect((self.server, 6667))
+
+        self.send(f"USER {self.bot_nick} {self.bot_nick} {self.bot_nick} :Robot Agir April"
+                  ".\n")  # bot authentication
+        self.send(f"NICK {self.bot_nick}\n")  # Assign the nick to the bot.
+
+        if not PASSWORD.strip() and REGISTERED is True:
+            self.send("PRIVMSG NickServ :IDENTIFY {self.botnick} {password}")
+
+    def add_project(self, project):
+        self.send("JOIN {} \n".format(project.channel))  # Joins channel
+        self.projects.append(project)
+
+    def get_project(self, name):
+        for project in self.projects:
+            if name[0] != '#' and project.name == name:
+                return project
+            if name[0] == '#' and project.channel == name:
+                return project
+        return None
+
+    # Main loop
+    def loop(self):
+        last_read = datetime.utcnow()
+
+        while True:  # Loop forever
+            ready_to_read, _fd2, _fd3 = select.select([self.irc_socket], [], [], 1)
+
+            if ready_to_read:
+                last_read = datetime.utcnow()
+                irc_msg = self.msg_handler()
+                irc_msg, actor, channel = parse_irc_messages(irc_msg)
+
+                if irc_msg is not None:
+                    self.message_response(irc_msg, actor, channel)
+
+            if datetime.utcnow() - last_read > timedelta(minutes=10):
+                raise Exception('timeout: nothing to read on socket since 10 minutes')
+
+    # Responds to server Pings.
+    def pong(self, irc_msg):
+        response = f"PONG :{irc_msg.split('PING :')[1]}\n"
+        self.send(response)
+        self._check_global_updates()
+
+    def _check_global_updates(self):
+        print('Checking projects updates....')
+
+        for project in self.projects:
+
+            for message in project.redmine():
+                self.send(f"PRIVMSG {project.channel} :{message}\n")
+
+    def _check_project_updates(self, channel_name: str):
+        print('Checking projects updates....')
+        project = self.get_project(channel_name)
+
+        if not project:
+            print(f'Cannot find project for channel {channel_name}')
+            return
+
+        for message in project.redmine():
+            self.send(f"PRIVMSG {project.channel} :{message}\n")
+
+    # Parses messages and responds to them appropriately.
+    def message_response(self, irc_msg, actor, channel):
+        # If someone talks to (or refers to) the bot.
+        if (':!' in irc_msg or self.bot_nick.lower() in irc_msg.lower()) and \
+           actor != self.bot_nick and \
+           "PRIVMSG".lower() in irc_msg.lower():
+            if self.hello_regex.search(irc_msg):
+                self.bot_hello(channel, 'Yo!')
+            if self.help_regex.search(irc_msg):
+                self.bot_help(channel)
+            if 'refresh' in irc_msg.lower():
+                self.send(f"PRIVMSG {channel} :Raffraîchissement en cours\n")
+                self._check_project_updates(channel)
+                self.send(f"PRIVMSG {channel} :Fait !\n")
+
+        # If the server pings us then we've got to respond!
+        if irc_msg.find("PING :") != -1:
+            self.pong(irc_msg)
+
+    # Responds to a user that inputs "Hello Mybot".
+    def bot_hello(self, channel, greeting):
+        self.send(f"PRIVMSG {channel} :{greeting}\n")
+
+    # Explains what the bot is when queried.
+    def bot_help(self, channel):
+        self.send(f"PRIVMSG {channel} :Bonjour, je suis un bot qui reconnaît les options !help, !refresh et !bonjour\n")
+        project_name = self.get_project(channel).name
+        self.send(f"PRIVMSG {channel} :Périodiquement, je vais afficher les actualités de "
+                  f"http://agir.april.org/projects/{project_name}.\n")
+
+    # Reads the messages from the server and adds them to the Queue and prints
+    # them to the console. This function will be run in a thread, see below.
+    def msg_handler(self):  # pragma: no cover  (this excludes this function from testing)
+        new_msg = self.irc_socket.recv(2048)  # receive data from the server
+        if not new_msg:
+            print("Empty recv. It seems I’ve lost my mind. I stop to be reborn.")
+            sys.exit(7)
+        else:
+            new_msg = new_msg.decode("utf-8").strip('\n\r')  # removing any unnecessary linebreaks
+            if new_msg != '' and new_msg.find("PING :") == -1:
+                print(datetime.now().isoformat() + " " + new_msg)
+        return new_msg
 
 
 def main():
-    print(datetime.datetime.now().isoformat() + " redmine bot starting…")
+    print(datetime.now().isoformat() + " redmine bot starting…")
-    redmine_bot = Bot(default_server, default_nickname)
+    redmine_bot = Bot(DEFAULT_SERVER, DEFAULT_NICKNAME)
     redmine_bot.connect()
-    if projectId1 and projectChannel1:
+    if PROJECT_ID_1 and PROJECT_CHANNEL_1:
-        redmine_bot.add_project(Project(projectId1, projectChannel1))
+        redmine_bot.add_project(Project(PROJECT_ID_1, PROJECT_CHANNEL_1))
-    if projectId2 and projectChannel2:
+    if PROJECT_ID_2 and PROJECT_CHANNEL_2:
-        redmine_bot.add_project(Project(projectId2, projectChannel2))
+        redmine_bot.add_project(Project(PROJECT_ID_2, PROJECT_CHANNEL_2))
-    if projectId3 and projectChannel3:
+    if PROJECT_ID_3 and PROJECT_CHANNEL_3:
-        redmine_bot.add_project(Project(projectId3, projectChannel3))
+        redmine_bot.add_project(Project(PROJECT_ID_3, PROJECT_CHANNEL_3))
     return redmine_bot.loop()