Build bot now build new SVGs in folder that were already built (#666)

* Refactor the pull request fetching code

* Refactor build script to use past PRs

* Added function to update icomoon json

* new icon: matlab (line) (#640)

* Add matlab-line

* Fixed issues reported by check svg bot

* optimisation for svg (#643)

Co-authored-by: Clemens Bastian <8781699+amacado@users.noreply.github.com>
Co-authored-by: David Leal <halfpacho@gmail.com>

* Add better logging to icomoon_build

Co-authored-by: Clemens Bastian <8781699+amacado@users.noreply.github.com>
Co-authored-by: David Leal <halfpacho@gmail.com>

Author: 3 people

.github/scripts/build_assets/api_handler.py

@@ -0,0 +1,94 @@
+import requests
+import sys
+import re
+
+def get_merged_pull_reqs(token, page):
+    """
+    Get the merged pull requests based on page. There are 
+    100 results page. See https://docs.github.com/en/rest/reference/pulls
+    for more details on the parameters.
+    :param token, a GitHub API token.
+    :param page, the page number.
+    """
+    queryPath = "https://api.github.com/repos/devicons/devicon/pulls"
+    headers = {
+        "Authorization": f"token {token}"
+    }
+    params = {
+        "accept": "application/vnd.github.v3+json",
+        "state": "closed",
+        "per_page": 100,
+        "page": page
+    }
+
+    print(f"Querying the GitHub API for requests page #{page}")
+    response = requests.get(queryPath, headers=headers, params=params)
+    if not response:
+        print(f"Can't query the GitHub API. Status code is {response.status_code}. Message is {response.text}")
+        sys.exit(1)
+
+    closed_pull_reqs = response.json()
+    return [merged_pull_req 
+        for merged_pull_req in closed_pull_reqs 
+        if merged_pull_req["merged_at"] is not None]
+
+
+def is_feature_icon(pull_req_data):
+    """
+    Check whether the pullData is a feature:icon PR.
+    :param pull_req_data - the data on a specific pull request from GitHub.
+    :return true if the pullData has a label named "feature:icon"
+    """
+    for label in pull_req_data["labels"]:
+        if label["name"] == "feature:icon":
+            return True
+    return False
+
+
+def find_all_authors(pull_req_data, token):
+    """
+    Find all the authors of a PR based on its commits.
+    :param pull_req_data - the data on a specific pull request from GitHub.
+    :param token - a GitHub API token.
+    """
+    headers = {
+        "Authorization": f"token {token}"
+    }
+    response = requests.get(pull_req_data["commits_url"], headers=headers)
+    if not response:
+        print(f"Can't query the GitHub API. Status code is {response.status_code}")
+        print("Response is: ", response.text)
+        return
+
+    commits = response.json()
+    authors = set()  # want unique authors only
+    for commit in commits:
+        authors.add(commit["commit"]["author"]["name"]) 
+    return ", ".join(["@" + author for author in list(authors)])
+
+
+def get_merged_pull_reqs_since_last_release(token):
+    """
+    Get all the merged pull requests since the last release.
+    """
+    stopPattern = r"^(r|R)elease v"
+    pull_reqs = []
+    found_last_release = False
+    page = 1
+
+    print("Getting PRs since last release.")
+    while not found_last_release:
+        data = get_merged_pull_reqs(token, page)
+        # assume we don't encounter it during the loop
+        last_release_index = 101 
+
+        for i in range(len(data)):
+            if re.search(stopPattern, data[i]["title"]):
+                found_last_release = True
+                last_release_index = i
+                break
+        pull_reqs.extend(data[:last_release_index])
+        page += 1
+
+    # should contain all the PRs since last release
+    return pull_reqs

.github/scripts/build_assets/arg_getters.py

@@ -33,6 +33,10 @@ def get_selenium_runner_args(peek_mode=False):
                         help="The download destination of the Icomoon files",
                         action=PathResolverAction)
 
+    parser.add_argument("token",
+                        help="The GitHub token to access the GitHub REST API.",
+                        type=str)
+
     if peek_mode:
         parser.add_argument("--pr_title",
                             help="The title of the PR that we are peeking at")

.github/scripts/build_assets/util.py

@@ -1,4 +1,6 @@
 import os
+import re
+from typing import List
 import platform
 import sys
 import traceback
@@ -41,4 +43,22 @@ def set_env_var(key: str, value: str, delimiter: str='~'):
         else:
             os.system(f'echo "{key}={value}" >> $GITHUB_ENV')
     else:
-        raise Exception("This function doesn't support this platform: " + platform.system())
+        raise Exception("This function doesn't support this platform: " + platform.system())
+
+
+def find_object_added_in_this_pr(icons: List[dict], pr_title: str):
+    """
+    Find the icon name from the PR title. 
+    :param icons, a list of the font objects found in the devicon.json.
+    :pr_title, the title of the PR that this workflow was called on.
+    :return a dictionary with the "name"
+    entry's value matching the name in the pr_title.
+    :raise If no object can be found, raise an Exception.
+    """
+    try:
+        pattern = re.compile(r"(?<=^new icon: )\w+ (?=\(.+\))", re.I)
+        icon_name = pattern.findall(pr_title)[0].lower().strip()  # should only have one match
+        icon =  [icon for icon in icons if icon["name"] == icon_name][0]
+        return icon
+    except IndexError:  # there are no match in the findall()
+        raise Exception("Couldn't find an icon matching the name in the PR title.")

.github/scripts/get_release_message.py

@@ -1,75 +1,39 @@
 import requests
-from build_assets import arg_getters
+from build_assets import arg_getters, api_handler, util
 import re
 
 def main():
-    print("Please wait a few seconds...")
-    args = arg_getters.get_release_message_args()
-    queryPath = "https://api.github.com/repos/devicons/devicon/pulls?accept=application/vnd.github.v3+json&state=closed&per_page=100"
-    stopPattern = r"^(r|R)elease v"
-    headers = {
-        "Authorization": f"token {args.token}"
-    }
-
-    response = requests.get(queryPath, headers=headers)
-    if not response:
-        print(f"Can't query the GitHub API. Status code is {response.status_code}. Message is {response.text}")
-        return
-
-    data = response.json()
-    newIcons = []
-    features = []
-
-    for pullData in data:
-        if re.search(stopPattern, pullData["title"]):
-            break
-
-        authors = findAllAuthors(pullData, headers)
-        markdown = f"- [{pullData['title']}]({pullData['html_url']}) by {authors}."
-
-        if isFeatureIcon(pullData):
-            newIcons.append(markdown)
-        else:
-            features.append(markdown)
-
-    thankYou = "A huge thanks to all our maintainers and contributors for making this release possible!"
-    iconTitle = "**{} New Icons**\n".format(len(newIcons))
-    featureTitle = "**{} New Features**\n".format(len(features))
-    finalString = "{0}\n\n {1}{2}\n\n {3}{4}".format(thankYou, 
-        iconTitle, "\n".join(newIcons), featureTitle, "\n".join(features))
-
-    print("--------------Here is the build message--------------\n", finalString)
-
-
-"""
- Check whether the pullData is a feature:icon PR.
- :param pullData 
- :return true if the pullData has a label named "feature:icon"
-"""
-def isFeatureIcon(pullData):
-    for label in pullData["labels"]:
-        if label["name"] == "feature:icon":
-            return True
-    return False
-
-
-"""
-Find all the authors of a PR based on its commits.
-:param pullData - the data of a pull request.
-"""
-def findAllAuthors(pullData, authHeader):
-    response = requests.get(pullData["commits_url"], headers=authHeader)
-    if not response:
-        print(f"Can't query the GitHub API. Status code is {response.status_code}")
-        print("Response is: ", response.text)
-        return
-
-    commits = response.json()
-    authors = set()  # want unique authors only
-    for commit in commits:
-        authors.add("@" + commit["author"]["login"]) 
-    return ", ".join(list(authors))
-
+    try:
+        print("Please wait a few seconds...")
+        args = arg_getters.get_release_message_args()
+
+        # fetch first page by default
+        data = api_handler.get_merged_pull_reqs_since_last_release(args.token)
+        newIcons = []
+        features = []
+
+        print("Parsing through the pull requests")
+        for pullData in data:
+            authors = api_handler.find_all_authors(pullData, args.token)
+            markdown = f"- [{pullData['title']}]({pullData['html_url']}) by {authors}."
+
+            if api_handler.is_feature_icon(pullData):
+                newIcons.append(markdown)
+            else:
+                features.append(markdown)
+
+        print("Constructing message")
+        thankYou = "A huge thanks to all our maintainers and contributors for making this release possible!"
+        iconTitle = f"**{len(newIcons)} New Icons**"
+        featureTitle = f"**{len(features)} New Features**"
+        finalString = "{0}\n\n {1}\n{2}\n\n {3}\n{4}".format(thankYou, 
+            iconTitle, "\n".join(newIcons), featureTitle, "\n".join(features))
+
+        print("--------------Here is the build message--------------\n", finalString)
+        print("Script finished")
+    except Exception as e:
+        util.exit_with_err(e)
+        
 
 if __name__ == "__main__":
     main()

.github/scripts/icomoon_build.py

@@ -1,36 +1,36 @@
 from pathlib import Path
 import sys
 from selenium.common.exceptions import TimeoutException
+import re
 import subprocess
 import json
+from typing import List, Dict
+
 
 # pycharm complains that build_assets is an unresolved ref
 # don't worry about it, the script still runs
 from build_assets.SeleniumRunner import SeleniumRunner
-from build_assets import filehandler, arg_getters
-from build_assets import util
+from build_assets import filehandler, arg_getters, util, api_handler
 
 
 def main():
-    args = arg_getters.get_selenium_runner_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("List of new icons:", *new_icons, sep = "\n")
-    
+    """
+    Build the icons using Icomoon. Also optimize the svgs.
+    """
     runner = None
     try:
-        svgs = filehandler.get_svgs_paths(new_icons, args.icons_folder_path, icon_versions_only=False)
-        # optimizes the files
-        # do in each batch in case the command 
-        # line complains there's too many characters
-        start = 0
-        step = 10
-        for i in range(start, len(svgs), step):
-            batch = svgs[i:i + step]
-            subprocess.run(["npm", "run", "optimize-svg", "--", f"--svgFiles={json.dumps(batch)}"], shell=True)
+        args = arg_getters.get_selenium_runner_args()
+        new_icons = get_icons_for_building(args.devicon_json_path, args.token)
+        if len(new_icons) == 0:
+            sys.exit("No files need to be uploaded. Ending script...")
+
+        print(f"There are {len(new_icons)} icons to be build. Here are they:", *new_icons, sep = "\n")
+
+        print("Begin optimizing files")
+        optimize_svgs(new_icons, args.icons_folder_path)
+
+        print("Updating the icomoon json")
+        update_icomoon_json(new_icons, args.icomoon_json_path)
 
         icon_svgs = filehandler.get_svgs_paths(
             new_icons, args.icons_folder_path, icon_versions_only=True)
@@ -50,7 +50,79 @@ def main():
     except Exception as e:
         util.exit_with_err(e)
     finally:
-        runner.close() 
+        if runner is not None:
+            runner.close() 
+
+
+def get_icons_for_building(devicon_json_path: str, token: str):
+    """
+    Get the icons for building.
+    :param devicon_json_path - the path to the `devicon.json`.
+    :param token - the token to access the GitHub API.
+    """
+    all_icons = filehandler.get_json_file_content(devicon_json_path)
+    pull_reqs = api_handler.get_merged_pull_reqs_since_last_release(token)
+    new_icons = []
+
+    for pull_req in pull_reqs:
+        if api_handler.is_feature_icon(pull_req):
+            filtered_icon = util.find_object_added_in_this_pr(all_icons, pull_req["title"])
+            new_icons.append(filtered_icon)
+    return new_icons
+
+
+def optimize_svgs(new_icons: List[str], icons_folder_path: str):
+    """
+    Optimize the newly added svgs. This is done in batches
+    since the command line has a limit on characters allowed.
+    :param new_icons - the new icons that need to be optimized.
+    :param icons_folder_path - the path to the /icons folder.
+    """
+    svgs = filehandler.get_svgs_paths(new_icons, icons_folder_path, icon_versions_only=False)
+    start = 0
+    step = 10
+    for i in range(start, len(svgs), step):
+        batch = svgs[i:i + step]
+        subprocess.run(["npm", "run", "optimize-svg", "--", f"--svgFiles={json.dumps(batch)}"], shell=True)
+
+
+def update_icomoon_json(new_icons: List[str], icomoon_json_path: str):
+    """
+    Update the `icomoon.json` if it contains any icons
+    that needed to be updated. This will remove the icons
+    from the `icomoon.json` so the build script will reupload
+    it later.
+    """
+    icomoon_json = filehandler.get_json_file_content(icomoon_json_path)
+    cur_len = len(icomoon_json["icons"])
+    messages = []
+
+    wrapper_function = lambda icomoon_icon : find_icomoon_icon_not_in_new_icons(
+        icomoon_icon, new_icons, messages)
+    icons_to_keep = filter(wrapper_function, icomoon_json["icons"])
+    icomoon_json["icons"] = list(icons_to_keep)
+
+    new_len = len(icomoon_json["icons"])
+    print(f"Update completed. Removed {cur_len - new_len} icons:", *messages, sep='\n')
+    filehandler.write_to_file(icomoon_json_path, json.dumps(icomoon_json))
+  
+
+def find_icomoon_icon_not_in_new_icons(icomoon_icon: Dict, new_icons: List, messages: List):
+    """
+    Find all the icomoon icons that are not listed in the new icons.
+    This also add logging for which icons were removed.
+    :param icomoon_icon - a dict object from the icomoon.json's `icons` attribute.
+    :param new_icons - a list of new icons. Each element is an object from the `devicon.json`.
+    :param messages - an empty list where the function can attach logging on which 
+    icon were removed.
+    """
+    for new_icon in new_icons:
+        pattern = re.compile(f"^{new_icon['name']}-")
+        if pattern.search(icomoon_icon["properties"]["name"]):
+            message = f"-'{icomoon_icon['properties']['name']}' cause it matches '{new_icon['name']}'"
+            messages.append(message)
+            return False
+    return True
 
 
 if __name__ == "__main__":