Imports a workflow or script from a Gist URL in the clipboard into the commands menu.

Add from Gist.wkflw

This gist contains a workflow for Editorial, an app for
writing plain text and markdown on iOS.

To import the workflow, copy the *entire* text of the gist,
then open Editorial and create a new workflow.

------------ BEGIN WORKFLOW ------------
{
  "actions" : [
    {
      "class" : "WorkflowActionGetClipboard",
      "parameters" : {

      }
    },
    {
      "class" : "WorkflowActionMatchRegularExpression",
      "parameters" : {
        "regex" : {
          "text" : "http(s?):\/\/gist.github.com\/([0-9a-f]*)",
          "type" : "advancedText",
          "tokenRanges" : {

          }
        },
        "matchGroup" : ""
      }
    },
    {
      "class" : "WorkflowActionCondition",
      "parameters" : {
        "expression1" : {
          "text" : "?",
          "type" : "advancedText",
          "tokenRanges" : {
            "{0, 1}" : "Input"
          }
        }
      }
    },
    {
      "class" : "WorkflowActionStopWorkflow",
      "parameters" : {
        "HUDTitle" : "No Gist URL in Clipboard",
        "showHUD" : true
      }
    },
    {
      "class" : "WorkflowActionConditionEnd",
      "parameters" : {

      }
    },
    {
      "class" : "WorkflowActionShowHUD",
      "parameters" : {
        "duration" : 1,
        "HUDText" : {
          "text" : "Downloading Gist...",
          "type" : "advancedText",
          "tokenRanges" : {

          }
        }
      }
    },
    {
      "class" : "WorkflowActionRunScript",
      "parameters" : {
        "script" : "import clipboard\nimport editor\nimport console\nimport re\nimport os\n\nclass InvalidGistURLError (Exception): pass\nclass MultipleFilesInGistError (Exception): pass\nclass NoFilesInGistError (Exception): pass\nclass GistDownloadError (Exception): pass\n\ndef download_gist(gist_url):\n\t# Returns a 2-tuple of filename and content\n\tconsole.show_activity()\n\tgist_id_match = re.match('http(s?):\/\/gist.github.com\/([0-9a-f]*)', gist_url)\n\tif gist_id_match:\n\t\timport requests\n\t\tgist_id = gist_id_match.group(2)\n\t\tjson_url = 'https:\/\/api.github.com\/gists\/' + gist_id\n\t\ttry:\n\t\t\timport json\n\t\t\tgist_json = requests.get(json_url).text\n\t\t\tgist_info = json.loads(gist_json)\n\t\t\tfiles = gist_info['files']\n\t\texcept:\n\t\t\traise GistDownloadError()\n\t\twkflw_files = []\n\t\tfor file_info in files.values():\n\t\t\tfilename = file_info['filename']\n\t\t\text = os.path.splitext(filename)[1]\n\t\t\tif ext != '.wkflw' and ext != '.py':\n\t\t\t\tcontinue\n\t\t\twkflw_files.append(file_info)\n\t\tif len(wkflw_files) > 1:\n\t\t\traise MultipleFilesInGistError()\n\t\telif len(wkflw_files) == 0:\n\t\t\traise NoFilesInGistError()\n\t\telse:\n\t\t\tfile_info = wkflw_files[0]\n\t\t\tfilename = file_info['filename']\n\t\t\tcontent = file_info['content']\n\t\t\treturn filename, content\n\telse:\n\t\traise InvalidGistURLError()\n\ndef main():\n\tgist_url = clipboard.get().strip()\n\ttry:\n\t\tfilename, content = download_gist(gist_url)\n\t\tname = os.path.splitext(filename)[0]\n\t\tconsole.alert('Add Command', 'Do you want to add the command \"' + name + '\" to your menu?', 'Add')\n\t\teditor.add_command(name, content)\n\texcept InvalidGistURLError:\n\t\tconsole.alert('No Gist URL',\n\t\t              'The clipboard doesn\\'t seem to contain a valid Gist URL.',\n\t\t              'OK')\n\texcept MultipleFilesInGistError:\n\t\tconsole.alert('Multiple Files', 'This Gist contains multiple files.')\n\texcept NoFilesInGistError:\n\t\tconsole.alert('No Workflow Files', 'This Gist contains no Workflow files.')\n\texcept GistDownloadError:\n\t\tconsole.alert('Error', 'The Gist could not be downloaded.')\n\nif __name__ == '__main__':\n\tmain()\n\n\n"
      }
    }
  ],
  "name" : "Add from Gist"
}
------------- END WORKFLOW -------------