More resiliant initialization of plugins, win32 requirements

app/plugins/functions.py

@@ -72,7 +72,12 @@ def build_plugins():
         # and run npm install if needed
         if plugin.path_exists("public/package.json") and not plugin.path_exists("public/node_modules"):
             logger.info("Running npm install for {}".format(plugin))
-            subprocess.call(['npm', 'install'], cwd=plugin.get_path("public"))
+
+            try:
+                subprocess.call(['npm', 'install'], cwd=plugin.get_path("public"))
+            except FileNotFoundError:
+                logger.warn("npm is not installed, will skip this plugin")
+                continue
 
         # Check if we need to generate a webpack.config.js
         if len(plugin.build_jsx_components()) > 0 and plugin.path_exists('public'):
@@ -105,8 +110,11 @@ def build_plugins():
                 subprocess.Popen(['webpack-cli', '--watch'], cwd=plugin.get_path("public"))
             elif not plugin.path_exists("public/build"):
                 logger.info("Running webpack for {}".format(plugin.get_name()))
-                subprocess.call(['webpack-cli'], cwd=plugin.get_path("public"))
 
+                try:
+                    subprocess.call(['webpack-cli'], cwd=plugin.get_path("public"))
+                except FileNotFoundError:
+                    logger.warn("webpack-cli is not installed, plugin will not work")
 
 def webpack_watch_process_count():
     count = 0

requirements.txt

@@ -3,7 +3,7 @@ anyjson==0.3.3
 appdirs==1.4.0
 APScheduler==3.2.0
 billiard==3.5.0.3
-celery==4.1.0
+celery==4.4.0
 coreapi==2.0.9
 Django==2.1.15
 django-appconf==1.0.2
@@ -59,4 +59,5 @@ rio-cogeo==1.1.8
 rasterio==1.1.0 ; sys_platform == 'linux' or sys_platform == 'darwin'
 https://download.lfd.uci.edu/pythonlibs/s2jqpv5t/rasterio-1.1.3-cp38-cp38-win_amd64.whl ; sys_platform == "win32"
 https://download.lfd.uci.edu/pythonlibs/s2jqpv5t/GDAL-3.0.4-cp38-cp38-win_amd64.whl ; sys_platform == "win32"
-Shapely==1.7.0 ; sys_platform == "win32"
+Shapely==1.7.0 ; sys_platform == "win32"
+waitress==1.4.3 ; sys_platform == "win32"