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Warn if running too-new, untested Python version. Break out version reqs into separate file for more visibility.

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This commit is contained in:
Griatch 2022-10-29 10:41:56 +02:00
parent 2b328defcc
commit 8ac0ce1905
2 changed files with 45 additions and 5 deletions
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10
evennia/VERSION_REQS.txt Normal file
View file

@ -0,0 +1,10 @@
# These are read by the evennia/server/evennia_launcher.py to give more explicit
# errors/warnings when trying to run Evennia with wrong/unexpected versions (this happens
# when people upgrade outside regular channels). This file only supports lines of
# `value = number` and only specific names supported by the handler.
PYTHON_MIN = 3.9
PYTHON_MAX_TESTED = 3.11
TWISTED_MIN = 20.3.0
DJANGO_MIN = 4.0.2
DJANGO_LT = 4.1

40
evennia/server/evennia_launcher.py
View file

@ -90,11 +90,28 @@ SSHUTD = chr(17) # server-only shutdown
PSTATUS = chr(18) # ping server or portal status
SRESET = chr(19) # shutdown server in reset mode
# requirements
PYTHON_MIN = "3.9"
TWISTED_MIN = "20.3.0"
DJANGO_MIN = "4.0.2"
DJANGO_LT = "4.1"
# live version requirement checks (from VERSION_REQS.txt file)
PYTHON_MIN = None
PYTHON_MAX_TESTED = None
TWISTED_MIN = None
DJANGO_MIN = None
DJANGO_LT = None
with open(os.path.join(EVENNIA_LIB, "VERSION_REQS.txt")) as fil:
for line in fil.readlines():
if line.startswith("#") or not "=" in line:
continue
match tuple(part.strip() for part in line.split("=", 1)):
case ("PYTHON_MIN", *value):
PYTHON_MIN = value[0] if value else "0"
case ("PYTHON_MAX_TESTED", *value):
PYTHON_MAX_TESTED = value[0] if value else "100"
case ("TWISTED_MIN", *value):
TWISTED_MIN = value[0] if value else "0"
case ("DJANGO_MIN", *value):
DJANGO_MIN = value[0] if value else "0"
case ("DJANGO_LT", *value):
DJANGO_LT = value[0] if value else "100"
try:
sys.path[1] = EVENNIA_ROOT
@ -364,6 +381,12 @@ ERROR_PYTHON_VERSION = """
{python_min} or higher.
"""
WARNING_PYTHON_MAX_TESTED_VERSION = """
WARNING: Python {pversion} used. Evennia is only tested with Python
versions {python_min} to {python_max_tested}. If you see unexpected errors, try
reinstalling with a tested Python version instead.
"""
ERROR_TWISTED_VERSION = """
ERROR: Twisted {tversion} found. Evennia requires
version {twisted_min} or higher.
@ -1262,6 +1285,13 @@ def check_main_evennia_dependencies():
if LooseVersion(pversion) < LooseVersion(PYTHON_MIN):
print(ERROR_PYTHON_VERSION.format(pversion=pversion, python_min=PYTHON_MIN))
error = True
if LooseVersion(pversion) > LooseVersion(PYTHON_MAX_TESTED):
print(
WARNING_PYTHON_MAX_TESTED_VERSION.format(
pversion=pversion, python_min=PYTHON_MIN, python_max_tested=PYTHON_MAX_TESTED
)
)
# Twisted
try:
import twisted