Adds TaskWikiOpen command

doc/taskwiki.txt

@@ -531,6 +531,8 @@ vn	m 	|:TaskWikiMod|
  n	t 	|:TaskWikiTags|
 vn	+ 	|:TaskWikiStart|
 vn	- 	|:TaskWikiStop|
+ n	o 	|:TaskWikiOpen|
+ n	n 	|:TaskWikiNote|
 
 =============================================================================
 7. COMMANDS						  *taskwiki-commands*
@@ -634,6 +636,16 @@ selected tasks.
 
     Supports |cmdline-completion|.
 
+*:TaskWikiOpen*
+    Opens annotations in the selected task(s) containing links to local files,
+    urls, etc. This command requires taskopen to be installed
+    (https://github.com/jschlatow/taskopen).
+
+*:TaskWikiNote*
+    Adds a note to the task under cursor and opens it to be edited. This
+    command requires taskopen to be installed
+    (https://github.com/jschlatow/taskopen).
+
 ----------------------------------------------------------------------------
 Interactive commands.
 

ftplugin/vimwiki/taskwiki.vim

@@ -75,6 +75,8 @@ execute "command! -buffer -nargs=* TaskWikiTags :"            . g:taskwiki_py .
 
 " Commands that operate on tasks in the buffer
 execute "command! -buffer -range TaskWikiInfo :<line1>,<line2>"   . g:taskwiki_py . "SelectedTasks().info()"
+execute "command! -buffer -range TaskWikiOpen :<line1>,<line2>"   . g:taskwiki_py . "SelectedTasks().taskopen('open')"
+execute "command! -buffer -range TaskWikiNote :<line1>,<line2>"   . g:taskwiki_py . "SelectedTasks().taskopen('note')"
 execute "command! -buffer -range TaskWikiEdit :<line1>,<line2>"   . g:taskwiki_py . "SelectedTasks().edit()"
 execute "command! -buffer -range TaskWikiLink :<line1>,<line2>"   . g:taskwiki_py . "SelectedTasks().link()"
 execute "command! -buffer -range TaskWikiGrid :<line1>,<line2>"   . g:taskwiki_py . "SelectedTasks().grid()"
@@ -130,6 +132,8 @@ if !exists('g:taskwiki_suppress_mappings')
         nnoremap <silent><buffer> <LocalLeader>hm :TaskWikiHistoryMonthly<CR>
         nnoremap <silent><buffer> <LocalLeader>ha :TaskWikiHistoryAnnual<CR>
         nnoremap <silent><buffer> <LocalLeader>i :TaskWikiInfo<CR>
+        nnoremap <silent><buffer> <LocalLeader>o :TaskWikiOpen<CR>
+        nnoremap <silent><buffer> <LocalLeader>n :TaskWikiNote<CR>
         nnoremap <silent><buffer> <LocalLeader>l :TaskWikiLink<CR>
         nnoremap <silent><buffer> <LocalLeader>m :TaskWikiMod<CR>
         nnoremap <silent><buffer> <LocalLeader>p :TaskWikiProjects<CR>
@@ -149,6 +153,8 @@ if !exists('g:taskwiki_suppress_mappings')
         vnoremap <silent><buffer> <LocalLeader>e :TaskWikiEdit<CR>
         vnoremap <silent><buffer> <LocalLeader>g :TaskWikiGrid<CR>
         vnoremap <silent><buffer> <LocalLeader>i :TaskWikiInfo<CR>
+        vnoremap <silent><buffer> <LocalLeader>o :TaskWikiOpen<CR>
+        vnoremap <silent><buffer> <LocalLeader>n :TaskWikiNote<CR>
         vnoremap <silent><buffer> <LocalLeader>l :TaskWikiLink<CR>
         vnoremap <silent><buffer> <LocalLeader>m :TaskWikiMod<CR>
         vnoremap <silent><buffer> <LocalLeader>. :TaskWikiRedo<CR>

taskwiki/main.py

@@ -125,6 +125,40 @@ def info(self):
                 util.show_in_split(out, name='info', activate_cursorline=True)
             break  # Show only one task
 
+    @errors.pretty_exception_handler
+    def taskopen(self, mode):
+        if mode == "note":
+            args = "-n {task_id} -x 'echo'"
+        if mode == "open":
+            args = "-N {task_id}"
+
+        for vimwikitask in self.tasks:
+            output, exit_status = util.taskopen(args.format(task_id=vimwikitask["id"]))
+
+            if mode == "note":
+                if exit_status:
+                    vim.command("echohl Error")
+                    vim.command('echo "%s"' % output)
+                    vim.command("echohl None")
+                    # Using `echoerr` is too verbose and scary, using
+                    # echohl+echo instead.
+                else:
+                    vim.command("edit " + output)
+
+            if mode == "open":
+                if exit_status:
+                    error_msg = "taskopen failed to open task " + str(
+                        vimwikitask["id"]
+                    )
+
+                    vim.command('echo "%s"' % output)
+                    vim.command("echohl Error")
+                    vim.command('echo "%s"' % error_msg)
+                    vim.command("echohl None")
+
+                else:
+                    vim.command("echomsg 'Opened task %s'" % vimwikitask["id"])
+
     @errors.pretty_exception_handler
     def edit(self):
         for vimwikitask in self.tasks:

taskwiki/util.py

@@ -4,6 +4,7 @@
 
 import contextlib
 import os
+import pexpect
 import random
 import sys
 import vim  # pylint: disable=F0401
@@ -96,6 +97,8 @@ def tw_args_to_kwargs(args):
     return output
 
 def get_input(prompt="Enter: ", allow_empty=False, completion=None):
+    prompt = prompt.replace('"', '\\"')
+
     if completion is not None:
         value = vim.eval('input("%s", "", "%s")' % (prompt, completion))
     else:
@@ -441,3 +444,48 @@ def is_midnight(dt):
     """
 
     return dt.hour == 0 and dt.minute == 0 and dt.second == 0
+
+def taskopen(args):
+    """
+    Runs taskopen, handles its interactive prompts, returns final output.
+
+    Params:
+        args - arguments to be passed to the taskopen command
+    """
+    try:
+        p = pexpect.spawn(
+            "taskopen " + args,
+            timeout=3,
+            echo=False,
+        )
+
+        prompts = [
+            "Type number\(s\): ",
+            "Config file.* does not exist. Do you want to create it? (Y/n)"
+        ]
+
+        while not p.eof():
+            index = p.expect([pexpect.EOF, *prompts])
+
+            if index == 0:
+                last_lines = p.before.splitlines()
+            else:
+                prompt = p.before.splitlines()
+                prompt += [bytes(prompts[index-1].replace('.*', ''), "utf-8")]
+
+                input = get_input(b"\n".join(prompt).decode("utf-8"))
+
+                p.sendline(input)
+
+        p.close(force=True)  # make sure the process is ended
+
+    except pexpect.exceptions.ExceptionPexpect as e:
+        if "command was not found" not in e.value:
+            return "taskopen is not installed", 127
+
+    if p.exitstatus == 3:  # xdg-open: no method to open annotation
+        last_lines = [last_lines[-1]]
+
+    last_lines = [l.decode("utf-8").rstrip("\r\n") for l in last_lines]
+
+    return "\n".join(last_lines).strip(), p.exitstatus