Added working workflows that has commenting on forked repo's PR.

.github/drafts/check_svgs_monthly.py

@@ -0,0 +1,26 @@
+import traceback
+import sys
+
+# pycharm complains that build_assets is an unresolved ref
+# don't worry about it, the script still runs
+from build_assets import filehandler, arg_getters
+from build_assets import util
+
+
+def main():
+    """
+    Check the quality of the svgs of the whole icons folder.
+    """
+    args = arg_getters.get_check_svgs_monthly_args()
+
+    try:
+        devicon_json = filehandler.get_json_file_content(args.devicon_json_path)
+        svgs = filehandler.get_svgs_paths(devicon_json, args.icons_folder_path)
+        util.check_svgs(svgs)
+        print("All SVGs found were good. Task completed.")
+    except Exception as e:
+        util.exit_with_err(e)
+
+
+if __name__ == "__main__":
+    main()

.github/drafts/check_svgs_monthly.yml

@@ -0,0 +1,42 @@
+name: Check SVGs Monthly
+on: workflow_dispatch
+  # schedule:
+  #   - cron: '0 0 1 * *'
+jobs:
+  check_develop:
+    name: Check the SVGs' quality in the `develop` branch
+    runs-on: ubuntu-18.04
+    steps:
+
+      - uses: actions/checkout@v2
+        with:
+          ref: develop
+
+      - uses: actions/setup-python@v2
+        with: 
+          python-version: 3.8
+
+      - name: Install dependencies 
+        run: python -m pip install --upgrade pip
+
+      - name: Run the check_svg script
+        run: >
+          python ./.github/scripts/check_svgs_monthly.py ./devicon.json ./icons
+
+  check_master:
+    name: Check the SVGs' quality in the `master` branch
+    runs-on: ubuntu-18.04
+    steps:
+
+      - uses: actions/checkout@v2  # check out default branch, which is master
+
+      - uses: actions/setup-python@v2
+        with: 
+          python-version: 3.8
+
+      - name: Install dependencies 
+        run: python -m pip install --upgrade pip
+
+      - name: Run the check_svg script
+        run: >
+          python ./.github/scripts/check_svgs_monthly.py ./icomoon.json ./devicon.json ./icons

.github/scripts/build_assets/arg_getters.py

@@ -40,15 +40,26 @@ def get_selenium_runner_args(peek_mode=False):
     return parser.parse_args()
 
 
-def get_check_svgs_args():
+def get_check_svgs_on_pr_args():
     """
-    Get the commandline arguments for the chec_svgs.py.
+    Get the commandline arguments for the check_svgs_on_pr.py.
     """
-    parser = ArgumentParser(description="Check the SVGs to ensure their attributes are correct.")
-    parser.add_argument("icomoon_json_path",
-                        help="The path to the icomoon.json aka the selection.json created by Icomoon",
+    parser = ArgumentParser(description="Check the SVGs to ensure their attributes are correct. Run whenever a PR is opened")
+    parser.add_argument("files_added_json_path",
+                        help="The path to the files_added.json created by the gh-action-get-changed-files@2.1.4",
+                        action=PathResolverAction)
+
+    parser.add_argument("files_modified_json_path",
+                        help="The path to the files_modified.json created by the gh-action-get-changed-files@2.1.4",
                         action=PathResolverAction)
+    return parser.parse_args()
+
 
+def get_check_svgs_monthly_args():
+    """
+    Get the commandline arguments for the check_svgs_monthly.py.
+    """
+    parser = ArgumentParser(description="Check the SVGs to ensure their attributes are correct. Run monthly.")
     parser.add_argument("devicon_json_path",
                         help="The path to the devicon.json",
                         action=PathResolverAction)

.github/scripts/build_assets/filehandler.py

@@ -6,19 +6,16 @@
 import re
 
 
-def find_new_icons(devicon_json_path: str, icomoon_json_path: str) -> List[dict]:
+def find_new_icons(devicon_json_path: str, icomoon_json_path: str):
     """
     Find the newly added icons by finding the difference between
     the devicon.json and the icomoon.json.
     :param devicon_json_path, the path to the devicon.json.
     :param icomoon_json_path: a path to the iconmoon.json.
     :return: a list of the new icons as JSON objects.
     """
-    with open(devicon_json_path) as json_file:
-        devicon_json = json.load(json_file)
-
-    with open(icomoon_json_path) as json_file:
-        icomoon_json = json.load(json_file)
+    devicon_json = get_json_file_content(devicon_json_path)
+    icomoon_json = get_json_file_content(icomoon_json_path)
 
     new_icons = []
     for icon in devicon_json:
@@ -28,7 +25,17 @@ def find_new_icons(devicon_json_path: str, icomoon_json_path: str) -> List[dict]
     return new_icons
 
 
-def is_not_in_icomoon_json(icon, icomoon_json) -> bool:
+def get_json_file_content(json_path: str):
+    """
+    Get the json content of the json_path.
+    :param: json_path, the path to the json file.
+    :return: a dict representing the file content.
+    """
+    with open(json_path) as json_file:
+        return json.load(json_file)
+
+
+def is_not_in_icomoon_json(icon, icomoon_json):
     """
     Checks whether the icon's name is not in the icomoon_json.
     :param icon: the icon object we are searching for.
@@ -45,7 +52,7 @@ def is_not_in_icomoon_json(icon, icomoon_json) -> bool:
 
 
 def get_svgs_paths(new_icons: List[dict], icons_folder_path: str, 
-    icon_versions_only: bool=False, as_str: bool=True) -> List[str] or List[Path]:
+    icon_versions_only: bool=False, as_str: bool=True):
     """
     Get all the suitable svgs file path listed in the devicon.json.
     :param new_icons, a list containing the info on the new icons.
@@ -199,3 +206,35 @@ def create_screenshot_folder(dir, screenshot_name: str="screenshots/"):
         print(f"{screenshot_folder} already exist. Script will do nothing.")
     finally:
         return str(screenshot_folder)
+
+def get_added_modified_svgs(files_added_json_path: str,
+    files_modified_json_path: str):
+    """
+    Get the svgs added and modified from the files_changed_json_path.
+    :param: files_added_json_path, the path to the files_added.json created by the gh-action-get-changed-files@2.1.4
+    :param: files_modified_json_path, the path to the files_modified.json created by the gh-action-get-changed-files@2.1.4
+    :return: a list of the svg file paths that were added/modified in this pr as Path.
+    """
+    files_added = get_json_file_content(files_added_json_path)
+    files_modified = get_json_file_content(files_modified_json_path)
+
+    svgs = []
+    for file in files_added:
+        path = Path(file)
+        if path.suffix.lower() == ".svg":
+            svgs.append(path)
+
+    for file in files_modified:
+        path = Path(file)
+        if path.suffix.lower() == ".svg":
+            svgs.append(path)
+
+    return svgs
+
+
+def write_to_file(path: str, value: any):
+    """
+    Write the value to a JSON file.
+    """
+    with open(path, "w") as file:
+        file.write(value)

.github/scripts/check_svgs.py → .github/scripts/build_assets/util.py

@@ -1,40 +1,20 @@
 from typing import List
-import sys
 import xml.etree.ElementTree as et
-import time
 from pathlib import Path
+import os
+import json
+import platform
+import sys
+import traceback
 
 
-# pycharm complains that build_assets is an unresolved ref
-# don't worry about it, the script still runs
-from build_assets import filehandler, arg_getters
-from build_assets import github_env
-
-
-def main():
+def exit_with_err(err: Exception):
     """
-    Check the quality of the svgs.
-    If any error is found, set an environmental variable called ERR_MSGS
-    that will contains the error messages.
+    Exit the current step and display the err.
+    :param: err, the error/exception encountered.
     """
-    args = arg_getters.get_check_svgs_args()
-    new_icons = filehandler.find_new_icons(args.devicon_json_path, args.icomoon_json_path)
-
-    if len(new_icons) == 0:
-        sys.exit("No files need to be uploaded. Ending script...")
-
-    # print list of new icons
-    print("SVGs being checked:", *new_icons, sep = "\n", end='\n\n')
-
-    time.sleep(1)  # do this so the logs stay clean
-    try:
-        # check the svgs
-        svgs = filehandler.get_svgs_paths(new_icons, args.icons_folder_path, as_str=False)
-        check_svgs(svgs)
-        print("All SVGs found were good.\nTask completed.")
-    except Exception as e:
-        github_env.set_env_var("ERR_MSGS", str(e))
-        sys.exit(str(e))
+    traceback.print_exc()
+    sys.exit(1)
 
 
 def check_svgs(svg_file_paths: List[Path]):
@@ -45,6 +25,8 @@ def check_svgs(svg_file_paths: List[Path]):
     The style must not contain any 'fill' declarations.
     If any error is found, they will be thrown.
     :param: svg_file_paths, the file paths to the svg to check for.
+    :return: None if there no errors. If there is, return a JSON.stringified
+    list with the error messages in it.
     """
     # batch err messages together so user can fix everything at once
     err_msgs = []
@@ -84,8 +66,36 @@ def check_svgs(svg_file_paths: List[Path]):
             err_msgs.append("\n".join(err_msg))
 
     if len(err_msgs) > 0:
-        raise Exception("Errors found in these files:\n" + "\n\n".join(err_msgs))
+        return "\n\n".join(err_msgs)
+    return 'None'
 
 
-if __name__ == "__main__":
-    main()
+def set_env_var(key: str, value: str, delimiter: str='~'):
+    """
+    Set the GitHub env variable of 'key' to 'value' using
+    the method specified here:
+    https://docs.github.com/en/free-pro-team@latest/actions/reference/workflow-commands-for-github-actions#setting-an-environment-variable
+    Support both Windows and Ubuntu machines provided by GitHub Actions.
+
+    :param: key, the name of the env variable.
+    :param: value, the value of the env variable.
+    :param: delimiter, the delimiter that you want to use
+    to write to the file. Only applicable if the 'value' contains
+    '\n' character aka a multiline string.
+    """
+    if platform.system() == "Windows":
+        if "\n" in value:
+            os.system(f'echo "{key}<<{delimiter}" >> %GITHUB_ENV%')
+            os.system(f'echo "{value}" >> %GITHUB_ENV%')
+            os.system(f'echo "{delimiter}" >> %GITHUB_ENV%')
+        else:
+            os.system(f'echo "{key}={value}" >> %GITHUB_ENV%')
+    elif platform.system() == "Linux":
+        if "\n" in value:
+            os.system(f'echo "{key}<<{delimiter}" >> $GITHUB_ENV')
+            os.system(f'echo "{value}" >> $GITHUB_ENV')
+            os.system(f'echo "{delimiter}" >> $GITHUB_ENV')
+        else:
+            os.system(f'echo "{key}={value}" >> $GITHUB_ENV')
+    else:
+        raise Exception("This function doesn't support this platform: " + platform.system())

.github/scripts/check_svgs_on_pr.py

@@ -0,0 +1,36 @@
+import sys
+import time
+
+
+# pycharm complains that build_assets is an unresolved ref
+# don't worry about it, the script still runs
+from build_assets import filehandler, arg_getters
+from build_assets import util
+
+
+def main():
+    """
+    Check the quality of the svgs.
+    If any svg error is found, create a json file called 'svg_err_messages.json'
+    in the root folder that will contains the error messages.
+    """
+    args = arg_getters.get_check_svgs_on_pr_args()
+    try:
+        # check the svgs
+        svgs = filehandler.get_added_modified_svgs(args.files_added_json_path,
+            args.files_modified_json_path)
+        print("SVGs to check: ", *svgs, sep='\n')
+
+        if len(svgs) == 0:
+            print("No SVGs to check, ending script.")
+            return
+
+        err_messages = util.check_svgs(svgs)
+        filehandler.write_to_file("./svg_err_messages.txt", err_messages)
+        print("Task completed.")
+    except Exception as e:
+        util.exit_with_err(e)
+
+
+if __name__ == "__main__":
+    main()