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##########################################################################
#
# pgAdmin 4 - PostgreSQL Tools
#
# Copyright (C) 2013 - 2024, The pgAdmin Development Team
# This software is released under the PostgreSQL Licence
#
##########################################################################
import os
from contextlib import contextmanager
from subprocess import call
from pgadmin.utils import u_encode, fs_encoding, file_quote
# enum-like for tracking whether we have
class JsState:
NONE = 0
OLD = 1
NEW = 2
class JavascriptBundler:
"""Builds Javascript bundle files by delegating to webpack"""
def __init__(self):
self.js_state = JsState.NONE
def bundle(self):
try:
try_building_js()
self.js_state = JsState.NEW
except OSError:
webdir_path()
generated_js_dir = os.path.join(
webdir_path(), 'pgadmin', 'static', 'js', 'generated')
if os.path.exists(generated_js_dir) and \
os.listdir(generated_js_dir):
self.js_state = JsState.OLD
else:
self.js_state = JsState.NONE
def report(self):
return self.js_state
@contextmanager
def pushd(new_dir):
previous_dir = os.getcwd()
os.chdir(new_dir)
yield
os.chdir(previous_dir)
def webdir_path():
dirname = os.path.dirname
this_path = os.path.realpath(u_encode(__file__, fs_encoding))
return dirname(dirname(dirname(dirname(this_path))))
def try_building_js():
with pushd(webdir_path()):
if call(['yarn', 'run', 'bundle:dev']) != 0:
raise OSError('Error executing bundling the application')