Merge pull request #61 from jonnolen/master

defer `jq_exits` check until use of jq Command

PrettyJson.py

@@ -20,6 +20,7 @@ SUBLIME_MAJOR_VERSION = int(sublime.version()) / 1000
 
 jq_exits = False
 jq_version = None
+jq_init = False
 
 import subprocess
 
@@ -27,18 +28,27 @@ import subprocess
 if sys.platform != 'win32' and '/usr/local/bin' not in os.environ['PATH']:
     os.environ["PATH"] += os.pathsep + '/usr/local/bin'
 
-try:
-    # checking if ./jq tool is available so we can use it
-    s = subprocess.Popen(["jq", "--version"],
-                         stderr=subprocess.PIPE,
-                         stdout=subprocess.PIPE)
-    out, err = s.communicate()
-    jq_version = err.decode("utf-8").replace("jq version ", "").strip()
-    jq_exits = True
-except OSError:
-    os_exception = sys.exc_info()[1]
-    print(str(os_exception))
-    jq_exits = False
+""" defer jq presence check until the user tries to use it, include Package "Fix Mac Path" to resolve
+    all homebrew issues (https://github.com/int3h/SublimeFixMacPath) """
+def check_jq():
+    global jq_version
+    global jq_exits
+    global jq_init
+
+    if not jq_init:
+        jq_init = True
+        try:
+            # checking if ./jq tool is available so we can use it
+            s = subprocess.Popen(["jq", "--version"],
+                                 stderr=subprocess.PIPE,
+                                 stdout=subprocess.PIPE)
+            out, err = s.communicate()
+            jq_version = err.decode("utf-8").replace("jq version ", "").strip()
+            jq_exits = True
+        except OSError:
+            os_exception = sys.exc_info()[1]
+            print(str(os_exception))
+            jq_exits = False
 
 
 s = sublime.load_settings("Pretty JSON.sublime-settings")
@@ -169,6 +179,7 @@ class JqPrettyJson(sublime_plugin.WindowCommand):
     Allows work with ./jq
     """
     def run(self):
+        check_jq()
         if jq_exits:
             self.window.show_input_panel("Enter ./jq filter expression", ".",
                                          self.done, None, None)