Add raw cell support

Author: KrKOo

nbgrader/api.py

@@ -269,7 +269,7 @@ def max_score(cls):
     #: The cell type, either "code" or "markdown"
     @declared_attr
     def cell_type(cls):
-        return Column(Enum("code", "markdown", name="grade_cell_type", validate_strings=True), nullable=False)
+        return Column(Enum("code", "markdown", "raw", name="grade_cell_type", validate_strings=True), nullable=False)
 
 
 class GradeCell(BaseCell, GradedMixin):
@@ -381,7 +381,7 @@ class SourceCell(Base):
     name = Column(String(128), nullable=False)
 
     #: The cell type, either "code" or "markdown"
-    cell_type = Column(Enum("code", "markdown", name="source_cell_type", validate_strings=True), nullable=False)
+    cell_type = Column(Enum("code", "markdown", "raw", name="source_cell_type", validate_strings=True), nullable=False)
 
     #: Whether the cell is locked (e.g. the source saved in the database should
     #: be used to overwrite the source of students' cells)
@@ -1082,7 +1082,7 @@ def __repr__(self):
     .where(and_(
         Grade.notebook_id == SubmittedNotebook.id,
         GradeCell.id == Grade.cell_id,
-        GradeCell.cell_type == "markdown"))
+        GradeCell.cell_type in ("markdown", "raw")))
     .correlate_except(Grade)
     .scalar_subquery(), deferred=True)
 
@@ -1092,7 +1092,7 @@ def __repr__(self):
         SubmittedNotebook.assignment_id == SubmittedAssignment.id,
         Grade.notebook_id == SubmittedNotebook.id,
         GradeCell.id == Grade.cell_id,
-        GradeCell.cell_type == "markdown"))
+        GradeCell.cell_type in ("markdown", "raw")))
     .correlate_except(Grade)
     .scalar_subquery(), deferred=True)
 
@@ -1104,7 +1104,7 @@ def __repr__(self):
     .select_from(GradeCell)
     .where(and_(
         GradeCell.notebook_id == Notebook.id,
-        GradeCell.cell_type == "markdown"))
+        GradeCell.cell_type in ("markdown", "raw")))
     .correlate_except(GradeCell)
     .scalar_subquery(), deferred=True)
 
@@ -1120,7 +1120,7 @@ def __repr__(self):
     .where(and_(
         Notebook.assignment_id == Assignment.id,
         GradeCell.notebook_id == Notebook.id,
-        GradeCell.cell_type == "markdown"))
+        GradeCell.cell_type in ("markdown", "raw")))
     .correlate_except(GradeCell)
     .scalar_subquery(), deferred=True)
 
@@ -1193,7 +1193,7 @@ def __repr__(self):
     .where(and_(
         Grade.notebook_id == SubmittedNotebook.id,
         TaskCell.id == Grade.cell_id,
-        TaskCell.cell_type == "markdown"))
+        TaskCell.cell_type in ("markdown", "raw")))
     .correlate_except(Grade)
     .scalar_subquery(), deferred=True)
 
@@ -1203,7 +1203,7 @@ def __repr__(self):
         SubmittedNotebook.assignment_id == SubmittedAssignment.id,
         Grade.notebook_id == SubmittedNotebook.id,
         TaskCell.id == Grade.cell_id,
-        TaskCell.cell_type == "markdown"))
+        TaskCell.cell_type in ("markdown", "raw")))
     .correlate_except(Grade)
     .scalar_subquery(), deferred=True)
 
@@ -1215,7 +1215,7 @@ def __repr__(self):
     .select_from(TaskCell)
     .where(and_(
         TaskCell.notebook_id == Notebook.id,
-        TaskCell.cell_type == "markdown"))
+        TaskCell.cell_type in ("markdown", "raw")))
     .correlate_except(TaskCell)
     .scalar_subquery(), deferred=True)
 
@@ -1231,7 +1231,7 @@ def __repr__(self):
     .where(and_(
         Notebook.assignment_id == Assignment.id,
         TaskCell.notebook_id == Notebook.id,
-        TaskCell.cell_type == "markdown"))
+        TaskCell.cell_type in ("markdown", "raw")))
     .correlate_except(TaskCell)
     .scalar_subquery(), deferred=True)
 
@@ -2826,7 +2826,7 @@ def average_assignment_task_score(self, assignment_id):
                 Notebook.assignment_id == Assignment.id,
                 TaskCell.notebook_id == Notebook.id,
                 Grade.cell_id == TaskCell.id,
-                TaskCell.cell_type == "markdown")).scalar()
+                TaskCell.cell_type in ("markdown", "raw"))).scalar()
         return score_sum / assignment.num_submissions
 
     def average_notebook_score(self, notebook_id: str, assignment_id: str) -> float:
@@ -2920,7 +2920,7 @@ def average_notebook_written_score(self, notebook_id: str, assignment_id: str) -
                 Notebook.assignment_id == Assignment.id,
                 GradeCell.notebook_id == Notebook.id,
                 Grade.cell_id == GradeCell.id,
-                GradeCell.cell_type == "markdown")).scalar()
+                GradeCell.cell_type in ("markdown", "raw"))).scalar()
         return score_sum / notebook.num_submissions
 
     def average_notebook_task_score(self, notebook_id: str, assignment_id: str) -> float:
@@ -2953,7 +2953,7 @@ def average_notebook_task_score(self, notebook_id: str, assignment_id: str) -> f
                 Notebook.assignment_id == Assignment.id,
                 TaskCell.notebook_id == Notebook.id,
                 Grade.cell_id == TaskCell.id,
-                TaskCell.cell_type == "markdown")).scalar()
+                TaskCell.cell_type in ("markdown", "raw"))).scalar()
         return score_sum / notebook.num_submissions
 
     def student_dicts(self):
@@ -3038,7 +3038,7 @@ def submission_dicts(self, assignment_id):
             func.sum(GradeCell.max_score).label("max_written_score"),
         ).select_from(SubmittedAssignment
         ).join(SubmittedNotebook).join(Notebook).join(Assignment).join(Student).join(Grade).join(GradeCell)\
-         .filter(GradeCell.cell_type == "markdown")\
+         .filter(GradeCell.cell_type in ("markdown", "raw"))\
          .group_by(SubmittedAssignment.id)\
          .subquery()
 
@@ -3049,7 +3049,7 @@ def submission_dicts(self, assignment_id):
             func.sum(TaskCell.max_score).label("max_task_score"),
         ).select_from(SubmittedAssignment
         ).join(SubmittedNotebook).join(Notebook).join(Assignment).join(Student).join(Grade).join(TaskCell)\
-         .filter(TaskCell.cell_type == "markdown")\
+         .filter(TaskCell.cell_type in ("markdown", "raw"))\
          .group_by(SubmittedAssignment.id)\
          .subquery()
 
@@ -3082,7 +3082,7 @@ def submission_dicts(self, assignment_id):
                 func.sum(GradeCell.max_score).label("max_score"),
             ).select_from(SubmittedAssignment
             ).join(SubmittedNotebook).join(Grade).join(GradeCell)\
-            .filter(GradeCell.cell_type == "markdown")\
+            .filter(GradeCell.cell_type in ("markdown", "raw"))\
             .group_by(SubmittedAssignment.id),
 
             self.db.query(
@@ -3091,7 +3091,7 @@ def submission_dicts(self, assignment_id):
                 func.sum(TaskCell.max_score).label("max_score"),
             ).select_from(SubmittedAssignment
             ).join(SubmittedNotebook).join(Grade).join(TaskCell)\
-            .filter(TaskCell.cell_type == "markdown")\
+            .filter(TaskCell.cell_type in ("markdown", "raw"))\
             .group_by(SubmittedAssignment.id)
         ).subquery()
 
@@ -3186,7 +3186,7 @@ def notebook_submission_dicts(self, notebook_id, assignment_id):
             func.sum(GradeCell.max_score).label("max_written_score"),
         ).select_from(SubmittedNotebook
         ).join(SubmittedAssignment).join(Notebook).join(Assignment).join(Student).join(Grade).join(GradeCell)\
-         .filter(GradeCell.cell_type == "markdown")\
+         .filter(GradeCell.cell_type in ("markdown", "raw"))\
          .group_by(SubmittedNotebook.id)\
          .subquery()
         # subquery for the written scores
@@ -3196,7 +3196,7 @@ def notebook_submission_dicts(self, notebook_id, assignment_id):
             func.sum(TaskCell.max_score).label("max_task_score"),
         ).select_from(SubmittedNotebook
         ).join(SubmittedAssignment).join(Notebook).join(Assignment).join(Student).join(Grade).join(TaskCell)\
-         .filter(TaskCell.cell_type == "markdown")\
+         .filter(TaskCell.cell_type in ("markdown", "raw"))\
          .group_by(SubmittedNotebook.id)\
          .subquery()
 
@@ -3224,7 +3224,7 @@ def notebook_submission_dicts(self, notebook_id, assignment_id):
                 func.sum(GradeCell.max_score).label("max_score"),
             ).select_from(SubmittedNotebook
             ).join(Grade).join(GradeCell)\
-            .filter(GradeCell.cell_type == "markdown")\
+            .filter(GradeCell.cell_type in ("markdown", "raw"))\
             .group_by(SubmittedNotebook.id),
 
             self.db.query(
@@ -3233,7 +3233,7 @@ def notebook_submission_dicts(self, notebook_id, assignment_id):
                 func.sum(TaskCell.max_score).label("max_score"),
             ).select_from(SubmittedNotebook
             ).join(Grade).join(TaskCell)\
-            .filter(TaskCell.cell_type == "markdown")\
+            .filter(TaskCell.cell_type in ("markdown", "raw"))\
             .group_by(SubmittedNotebook.id)
         ).subquery()
 

nbgrader/nbgraderformat/v3.py

@@ -77,17 +77,17 @@ def validate_cell(self, cell: NotebookNode) -> None:
 
         # check that markdown cells are grade AND solution (not either/or)
         if not task:
-            if cell.cell_type == "markdown" and grade and not solution:
+            if cell.cell_type in ("markdown", "raw") and grade and not solution:
                 raise ValidationError(
-                    "Markdown grade cell '{}' is not marked as a solution cell".format(
+                    "Markdown/raw grade cell '{}' is not marked as a solution cell".format(
                         meta['grade_id']))
-            if cell.cell_type == "markdown" and not grade and solution:
+            if cell.cell_type in ("markdown", "raw") and not grade and solution:
                 raise ValidationError(
-                    "Markdown solution cell is not marked as a grade cell: {}".format(cell.source))
+                    "Markdown/raw solution cell is not marked as a grade cell: {}".format(cell.source))
         else:
-            if cell.cell_type != "markdown":
+            if cell.cell_type not in ("markdown", "raw"):
                 raise ValidationError(
-                    "Task cells have to be markdown: {}".format(cell.source))
+                    "Task cells have to be markdown or raw: {}".format(cell.source))
 
     def validate_nb(self, nb: NotebookNode) -> None:
         super(MetadataValidatorV3, self).validate_nb(nb)