Add preliminary(!) support for bidirectional communication with i3bar

Novelty use only.

i3pystatus/__init__.py

@@ -1,6 +1,7 @@
 #!/usr/bin/env python
 
 import sys
+import threading
 
 from .core import util, io
 from .core.modules import *
@@ -18,8 +19,12 @@ def main():
 
 class Status:
     def __init__(self, standalone=False, interval=1, input_stream=sys.stdin):
+        self.standalone = standalone
         if standalone:
             self.io = io.StandaloneIO(interval)
+            self.ce_thread = threading.Thread(target=self.run_command_endpoint)
+            self.ce_thread.daemon = True
+            self.ce_thread.start()
         else:
             self.io = io.IOHandler(input_stream)
 
@@ -31,6 +36,13 @@ class Status:
         if module:
             self.modules.append(module, *args, **kwargs)
 
+    def run_command_endpoint(self):
+        for j in io.JSONIO(io=io.IOHandler(sys.stdin, io.DevNull()), skiplines=1).read():
+            if j["command"] == "block_clicked":
+                module = self.modules.get_by_id(j["instance"])
+                if module:
+                    module.on_click()
+
     def run(self):
         for j in io.JSONIO(self.io).read():
             for module in self.modules:

i3pystatus/core/io.py

@@ -2,7 +2,13 @@
 import time
 import json
 import sys
+import threading
 from contextlib import contextmanager
+import io
+
+class DevNull(io.TextIOBase):
+    def write(self, string):
+        pass
 
 class IOHandler:
     def __init__(self, inp=sys.stdin, out=sys.stdout):
@@ -50,7 +56,7 @@ class StandaloneIO(IOHandler):
     """
 
     n = -1
-    proto = ('{"version":1}', "[", "[]", ",[]", )
+    proto = ('{"version":1,"bidirectional":1}', "[", "[]", ",[]", )
 
     def __init__(self, interval=1):
         super().__init__()
@@ -62,6 +68,7 @@ class StandaloneIO(IOHandler):
                 time.sleep(self.interval)
             except KeyboardInterrupt:
                 return
+
             yield self.read_line()
 
     def read_line(self):
@@ -70,10 +77,10 @@ class StandaloneIO(IOHandler):
         return self.proto[min(self.n, len(self.proto)-1)]
 
 class JSONIO:
-    def __init__(self, io):
+    def __init__(self, io, skiplines=2):
         self.io = io
-        self.io.write_line(self.io.read_line())
-        self.io.write_line(self.io.read_line())
+        for i in range(skiplines):
+            self.io.write_line(self.io.read_line())
 
     def read(self):
         """Iterate over all JSON input (Generator)"""

i3pystatus/core/modules.py

@@ -18,8 +18,12 @@ class Module(SettingsBase):
         if self.output:
             if "name" not in self.output:
                 self.output["name"] = self.__name__
+            self.output["instance"] = str(id(self))
             json.insert(0, self.output)
 
+    def on_click(self):
+        pass
+
     def __repr__(self):
         return self.__class__.__name__
 

i3pystatus/core/util.py

@@ -51,6 +51,13 @@ class ModuleList(collections.UserList):
         module.registered(self.status_handler)
         super().append(module)
 
+    def get_by_id(self, find_id):
+        find_id = int(find_id)
+        for module in self:
+            if int(id(module)) == find_id:
+                return module
+        return None
+
 class PrefixedKeyDict(collections.UserDict):
     def __init__(self, prefix):
         super().__init__()

i3pystatus/modsde.py

@@ -8,6 +8,7 @@ import urllib.request, urllib.parse, urllib.error
 import re
 import http.cookiejar
 import xml.etree.ElementTree as ET
+import webbrowser
 
 from i3pystatus import IntervalModule
 
@@ -85,3 +86,6 @@ class ModsDeChecker(IntervalModule):
                 self.logged_in = True
                 self.opener.addheaders.append(("Cookie", "{}={}".format(cookie.name, cookie.value)))
                 return True
+
+    def on_click(self):
+        webbrowser.open_new_tab("http://forum.mods.de/bb/")

i3pystatus/parcel.py

@@ -1,5 +1,6 @@
 
 from urllib.request import urlopen
+import webbrowser
 
 import lxml.html
 from lxml.cssselect import CSSSelector
@@ -37,6 +38,9 @@ class DHL(TrackerAPI):
                 ret["status"] = self.intrarow_status_selector(last_row)[0].text.strip()
         return ret
 
+    def get_url(self):
+        return self.url
+
 class ParcelTracker(IntervalModule):
     interval = 20
 
@@ -59,3 +63,6 @@ class ParcelTracker(IntervalModule):
             "full_text": self.format.format(**fdict).strip(),
             "instance": self.name,
         }
+
+    def on_click(self):
+        webbrowser.open_new_tab(self.instance.get_url())

setup.py

@@ -3,7 +3,7 @@
 from setuptools import setup
 
 setup(name="i3pystatus",
-      version="3.8.2",
+      version="3.9",
       description="Like i3status, this generates status line for i3bar / i3wm",
       url="http://github.com/enkore/i3pystatus",
       license="MIT",