Add pre-commit and enable pre-commit hooks to check code before commtting

.github/ISSUE_TEMPLATE/bug-report.yml

@@ -6,7 +6,7 @@ body:
   - type: textarea
     id: system-info
     attributes:
-      label: System Info
+      label: 1. System Info
       description: Please share information about your operating environment with us.
       placeholder: PyPOTS version, Python version, platform and your OS version, and versions of other libraries existing in the error message...
     validations:
@@ -15,7 +15,7 @@ body:
   - type: checkboxes
     id: information-scripts-examples
     attributes:
-      label: Information
+      label: 2. Information
       description: 'The problem happens when running:'
       options:
         - label: "The official example scripts"
@@ -26,7 +26,7 @@ body:
     validations:
       required: true
     attributes:
-      label: Reproduction
+      label: 3. Reproduction
       description: |
         Please provide a code sample that reproduces the problem you ran into. It can be a Colab link or just a code snippet.
         If you have code snippets, error messages, stack traces please provide them here as well.
@@ -35,17 +35,18 @@ body:
 
       placeholder: |
         Steps to reproduce the behavior:
-          
+
           1.
           2.
           3.
-
-
+
+          ……
+
+
   - type: textarea
     id: expected-behavior
     validations:
       required: true
     attributes:
-      label: Expected behavior
+      label: 4. Expected behavior
       description: "A clear and concise description of what error you would expect to happen."
-

.github/ISSUE_TEMPLATE/config.yml

@@ -1,5 +1,6 @@
 blank_issues_enabled: true
+version: 2.1
 contact_links:
   - name: PyPOTS Community on Slack
     url: pypots-dev.slack.com
-    about: General usage questions and community discussions
+    about: General usage questions, community discussions, and the development team are here.

.github/ISSUE_TEMPLATE/feature-request.yml

@@ -1,14 +1,14 @@
 name: "🙌 Feature Request"
 description: Submit a request to add a new feature.
-labels: ["new feature"]
+labels: ["new feature", "enhancement"]
 
 body:
   - type: textarea
     id: feature-description-requested
     validations:
       required: true
     attributes:
-      label: Feature description
+      label: 1. Feature description
       description: |
         A clear and concise description of the feature proposal. Please provide a link to the paper and code if they exist.
 
@@ -17,7 +17,7 @@ body:
     validations:
       required: true
     attributes:
-      label: Motivation
+      label: 2. Motivation
       description: |
         Please outline the motivation of your proposal. Is your feature request related to a problem? If this is related to another GitHub issue, please link here.
 
@@ -26,6 +26,6 @@ body:
     validations:
       required: true
     attributes:
-      label: Your contribution
+      label: 3. Your contribution
       description: |
         Is there any way that you could help, for example, by submitting a PR?

.github/ISSUE_TEMPLATE/model-addition.yml

@@ -1,22 +1,22 @@
 name: "🤙 New Model Addition"
 description: Submit a request to implement a new model.
-labels: ["new model"]
+labels: ["new model", "enhancement"]
 
 body:
   - type: textarea
     id: model-description-requested
     validations:
       required: true
     attributes:
-      label: Model description
+      label: 1. Model description
       description: |
-        Put all important information relative to the new model, e.g. paper link, citation number, and why you think it is necessary for PyPOTS to include. 
+        Put all important information relative to the new model, e.g. paper link, citation number, and why you think it is necessary for PyPOTS to include.
         ❗️A rule of thumb is at least one year since publication, 10+ citations, and usefulness.
 
   - type: checkboxes
     id: information-tasks
     attributes:
-      label: Check open-source status
+      label: 2. Check open-source status
       description: |
           Please note that if the model's open-source implementation is not available, it'll take much more time to finish the implementation, so we are less likely to implement it in `PyPOTS`.
       options:
@@ -25,8 +25,8 @@ body:
   - type: textarea
     id: additional-info
     attributes:
-      label: Provide useful information for the implementation
+      label: 3. Provide useful information for the implementation
       description: |
-        Give any and all information you think is helpful to the implementation. 
+        Give any and all information you think is helpful to the implementation.
         If there is open-source implementation, please provide information regarding it and the authors.
         Please mention the authors by @github-username in case you're aware of their usernames.

.github/ISSUE_TEMPLATE/other-issues.yml

@@ -0,0 +1,14 @@
+name: "🤔 Other Kinds of Issues"
+description: "Didn't find a proper issue template above? Start here!"
+labels: ["question"]
+
+body:
+  - type: textarea
+    id: issue-description-requested
+    validations:
+      required: true
+    attributes:
+      label: Issue description
+      description: |
+        A clear and concise description of the issue. Please provide a link to related information and code if they exist.
+        Besides, please add according labels to the issue on the right side of the page.

.pre-commit-config.yaml

@@ -0,0 +1,33 @@
+repos:
+    # hooks for checking files
+    -   repo: https://github.com/pre-commit/pre-commit-hooks
+        rev: v4.4.0
+        hooks:
+            -   id: trailing-whitespace
+            -   id: end-of-file-fixer
+            -   id: check-yaml
+
+    # hooks for optimizing imports
+    -   repo: https://github.com/PyCQA/autoflake
+        rev: v2.1.1
+        hooks:
+            -   id: autoflake
+                args: [
+                    --check,
+                    --remove-all-unused-imports,
+                ]
+
+    # hooks for linting code
+    -   repo: https://github.com/psf/black
+        rev: 22.10.0
+        hooks:
+            -   id: black
+
+    -   repo: https://github.com/PyCQA/flake8
+        rev: 6.0.0
+        hooks:
+            -   id: flake8
+                args: [
+                    --max-line-length=120, # refer to setup.cfg
+                    --extend-ignore=E203, # why ignore E203? Refer to https://github.com/PyCQA/pycodestyle/issues/373
+                ]

environment-dev.yml

@@ -40,3 +40,4 @@ dependencies:
     # dev
     - conda-forge::black
     - conda-forge::flake8
+    - conda-forge::pre-commit

setup.cfg

@@ -60,6 +60,7 @@ doc =
 dev =
     black
     flake8
+    pre-commit
     %(full)s
     %(test)s
     %(doc)s