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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Double digit args prefix not passing properly","articleBody":"**Describe the bug**\r\nDue to logic and variable number using double prefix args (--lt, --ed etc) is required. \r\n\r\n**Python code**\r\n`\r\nparser = ArgumentParser()\r\nparser.add_argument(\r\n      \"--es\",\r\n      type = float,\r\n      dest = \"e_start\",\r\n      action=\"append\",\r\n      required = True,\r\n      help = \"e_start\"\r\n  )\r\n\r\n  parser.add_argument(\r\n      \"--ee\",\r\n      type = float,\r\n      dest = \"e_end\",\r\n      action=\"append\",\r\n      required = True,\r\n      help = \"e_end\"\r\n  )\r\n\r\n  parser.add_argument(\r\n      \"--eu\",\r\n      type = float,\r\n      dest = \"e_suitei\",\r\n      action=\"append\",\r\n      required = True,\r\n      help = \"e_suitei\"\r\n  )\r\n`\r\n\r\n**Javascript code**\r\n\r\n`return new Promise(async (resolve, reject) =\u003e {\r\n      let arg = [];\r\n      stations.forEach(st =\u003e {\r\n        arg.push(`--es${st.es}`);\r\n        arg.push(`--ee${st.ee}`);\r\n        arg.push(`--eu${st.eu}`);\r\n\r\n      });\r\n\r\n      let options = {\r\n        mode: 'text',\r\n        pythonOptions: ['-u'],\r\n        scriptPath: `${PROJECT_DIR}/src/scripts/algorithm`,\r\n        args: arg,\r\n      };\r\n}`\r\n    \r\n\r\n**Expected behavior**\r\nRun the python script by given args\r\n\r\n**Actual behavior**\r\n\r\nPythonShellError: usage: *.py [-h] --ee LAT --es LON --eu N \r\n0|index  |                    \r\n0|index  | lagrange.py: error: the following arguments are required: --es, --ee, --eu\r\n0|index  |     at PythonShell.parseError (/workspace/node_modules/python-shell/index.js:268:21)\r\n0|index  |     at terminateIfNeeded (/workspace/node_modules/python-shell/index.js:139:32)\r\n0|index  |     at ChildProcess.\u003canonymous\u003e (/workspace/node_modules/python-shell/index.js:131:13)\r\n0|index  |     at ChildProcess.emit (node:events:513:28)\r\n0|index  |     at ChildProcess._handle.onexit (node:internal/child_process:291:12) {\r\n0|index  |   executable: 'python3',\r\n0|index  |   options: [ '-u' ],\r\n0|index  |   script: '/workspace/src/scripts/algorithm/lagrange.py',\r\n0|index  |   args: [\r\n0|index  |     '--ee 35.96691467421596',\r\n0|index  |     '--es 140.0746095366776',\r\n0|index  |     '--eu 36.1061130',\r\n\r\n\r\n**Other Information (please complete the following information):**\r\n - OS: [e.g. Windows10]\r\n - Python Version [e.g. 3.6]\r\n - Node Version [e.g. 12]\r\n\r\n**Additional context**\r\n\r\nData validity or why using args with double-digit naming such a small number of inputs is not essential. The above is only for reproducing the error. The actual code and log are too long. \r\n\r\nWhen using single digit args -e instead of --ee, there is no issue. ","author":{"url":"https://github.com/baagiiSW","@type":"Person","name":"baagiiSW"},"datePublished":"2023-01-06T16:16:09.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":0},"url":"https://github.com/280/python-shell/issues/280"}