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added threading lock to Terminal to wait until is initialized

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This commit is contained in:
iLLiCiTiT 2020-12-21 11:24:25 +01:00
parent 0db15c183e
commit 3635fe0423
1 changed files with 14 additions and 4 deletions
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18
pype/lib/terminal.py
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@ -11,6 +11,8 @@
# ..---===[[ PyP3 Setup ]]===---...
#
import re
import time
import threading
class Terminal:
@ -24,6 +26,7 @@ class Terminal:
# Is Terminal initialized
_initialized = False
_init_lock = threading.Lock()
# Use colorized output
use_colors = True
# Output message replacements mapping - set on initialization
@ -40,15 +43,14 @@ class Terminal:
it's terminal object. Colorized output is not used if import of python
module or terminal object creation fails.
"""
# Mark that Terminal's initialization was already triggered
Terminal._initialized = True
from . import env_value_to_bool
from pype.lib import env_value_to_bool
use_colors = env_value_to_bool(
"PYPE_LOG_NO_COLORS", default=Terminal.use_colors
)
if not use_colors:
Terminal.use_colors = use_colors
Terminal._initialized = True
return
try:
@ -63,6 +65,7 @@ class Terminal:
"Module `blessed` failed on import or terminal creation."
" Pype terminal won't use colors."
)
Terminal._initialized = True
return
# shortcuts for blessed codes
@ -117,6 +120,8 @@ class Terminal:
Terminal._Y = _Y
Terminal._W = _W
Terminal._initialized = True
@staticmethod
def _multiple_replace(text, adict):
"""Replace multiple tokens defined in dict.
@ -170,7 +175,12 @@ class Terminal:
"""
T = Terminal
if not T._initialized:
T._initialize()
if T._init_lock.locked():
while T._init_lock.locked():
time.sleep(0.1)
else:
with T._init_lock:
T._initialize()
# if we dont want colors, just print raw message
if not T.use_colors: