Add command to display the stderr data from submission in terminal

docs/index.html

@@ -352,6 +352,19 @@ <h4 class="code-container-style"><b>View status of a submission with ID 78</b></
                         </a>
                     </div>
                 </div>
+                <div class="row">
+                    <div class="col-md-12" id="code-label">
+                        <h4 class="code-container-style"><b>View stderr file of a submission with ID 78</b></h4>
+                    </div>
+                </div>
+                <div class="command code-margin">
+                    <div class="label">Run this comand</div>
+                    <div class="text codebg">
+                        <span id="viewSubmissionStderrWithID">evalai submission 78 stderr</span>
+                        <a class="copy-btn" onclick="CopyToClipboard('viewSubmissionStderrWithID')" data-toggle="tooltip" data-placement="top" title="copy to clipboard"><i class="fas fa-copy"></i>
+                        </a>
+                    </div>
+                </div>
                 <div class="row">
                     <div class="col-md-12" id="code-label">
                         <h4 class="code-container-style"><b>Get all the phase splits of the challenge 1 with phase 4</b></h4>

evalai/submissions.py

@@ -17,9 +17,10 @@
 from evalai.utils.common import notify_user
 from evalai.utils.requests import make_request
 from evalai.utils.submissions import (
+    convert_bytes_to,
     display_submission_details,
     display_submission_result,
-    convert_bytes_to,
+    display_submission_stderr,
 )
 from evalai.utils.urls import URLS
 from evalai.utils.config import (
@@ -63,6 +64,18 @@ def result(ctx):
     display_submission_result(ctx.submission_id)
 
 
+@submission.command()
+@click.pass_obj
+def stderr(ctx):
+    """
+    Display stderr file of the submission
+    """
+    """
+    Invoked by `evalai submission SUBMISSION_ID stderr`.
+    """
+    display_submission_stderr(ctx.submission_id)
+
+
 @click.command()
 @click.argument("IMAGE", nargs=1)
 @click.option(

evalai/utils/submissions.py

@@ -281,6 +281,31 @@ def display_submission_result(submission_id):
         )
 
 
+def display_submission_stderr(submission_id):
+    """
+    Function to display stderr file of a particular submission
+    """
+    try:
+        response = submission_details_request(submission_id).json()
+        stderr_content = requests.get(response['stderr_file']).text
+        echo(
+            style(
+                "\nThe content of stderr file:",
+                bold=True,
+                fg="green"
+            )
+        )
+        echo(stderr_content)
+    except requests.exceptions.MissingSchema:
+        echo(
+            style(
+                "\nThe Submission does not have stderr file.",
+                bold=True,
+                fg="red"
+            )
+        )
+
+
 def convert_bytes_to(byte, to, bsize=1024):
     """
     Convert bytes to KB, MB, GB etc.

tests/data/submission_response.py

@@ -123,6 +123,29 @@
                     "when_made_public": null
                 }"""
 
+submission_result_with_stdout_and_stderr_file = """
+                {
+                    "challenge_phase": 7,
+                    "created_by": 4,
+                    "execution_time": "None",
+                    "id": 10,
+                    "input_file": "http://testserver/media/submission_files/submission_10/2224fb89-6828-\
+                    47f4-b170-1279290ad900.json",
+                    "is_public": false,
+                    "method_description": null,
+                    "method_name": null,
+                    "participant_team": 3,
+                    "participant_team_name": "Host_83644_Team",
+                    "project_url": null,
+                    "publication_url": null,
+                    "status": "submitted",
+                    "stderr_file": "http://testserver/media/submission_files/submission_10/stderr.txt",
+                    "stdout_file": "http://testserver/media/submission_files/submission_10/stdout.txt",
+                    "submission_result_file": "http://testserver/media/submission_files/submission_10/result.json",
+                    "submitted_at": "2018-06-08T09:24:09.866590Z",
+                    "when_made_public": null
+                }"""
+
 aws_credentials = """
 {
     "success": {

tests/test_submissions.py

@@ -101,6 +101,50 @@ def test_display_submission_result(self):
         assert response == expected
 
 
+class TestDisplaySubmissionStderr(BaseTestClass):
+    def setup(self):
+        self.submission_with_stderr = json.loads(submission_response.submission_result_with_stdout_and_stderr_file)
+        self.submission_without_stderr = json.loads(submission_response.submission_result)
+
+        url = "{}{}"
+        responses.add(
+            responses.GET,
+            url.format(API_HOST_URL, URLS.get_submission.value).format("10"),
+            json=self.submission_with_stderr,
+            status=200,
+        )
+
+        responses.add(
+            responses.GET,
+            self.submission_with_stderr["stderr_file"],
+            body="Test Submission Stderr File",
+            status=200,
+        )
+
+        responses.add(
+            responses.GET,
+            url.format(API_HOST_URL, URLS.get_submission.value).format("9"),
+            json=self.submission_without_stderr,
+            status=200
+        )
+
+    @responses.activate
+    def test_display_submission_stderr(self):
+        expected = "The content of stderr file:\nTest Submission Stderr File"
+        runner = CliRunner()
+        result = runner.invoke(submission, ["10", "stderr"])
+        response = result.output.strip()
+        assert response == expected
+
+    @responses.activate
+    def test_display_submission_stderr_when_submission_does_not_have_stderr_file(self):
+        expected = "The Submission does not have stderr file."
+        runner = CliRunner()
+        result = runner.invoke(submission, ["9", "stderr"])
+        response = result.output.strip()
+        assert response == expected
+
+
 class TestMakeSubmission(BaseTestClass):
     def setup(self):
         self.submission = json.loads(submission_response.submission_result)