refactor: Get JSON in Docker build (#42)

Dockerfile

@@ -4,10 +4,22 @@ ENV DEBIAN_FRONTEND=noninteractive
 ENV LC_ALL=C.UTF-8
 ENV LANG=C.UTF-8
 
+RUN apt-get update && \
+    apt-get -y install --no-install-recommends \
+    wget \
+    jq && \
+    apt-get autoclean && \
+    apt-get clean && \
+    apt-get autoremove -y && \
+    rm -rf /var/lib/apt/lists/*
+
 WORKDIR /build
 COPY requirements.txt ./requirements.txt
 RUN python3 -m pip install --no-cache-dir --upgrade pip && \
     python3 -m pip install --no-cache-dir -r ./requirements.txt && \
     python3 -m pip check
 
+RUN wget -q 'https://raw.githubusercontent.com/yagays/emoji-ja/20190726/data/emoji_ja.json' \
+      -O /root/emoji_ja.json
+
 WORKDIR /src

main.py

@@ -4,8 +4,6 @@
 from pykakasi import kakasi, wakati
 
 
-EMOJI_JSON_URL = 'https://raw.githubusercontent.com/yagays/emoji-ja/20190726/data/emoji_ja.json'
-EMOJI_DICT_PATH = 'tsv/emoji.tsv'
 kakasi = kakasi()
 kakasi.setMode("J","H")
 conv_j2h = kakasi.getConverter()
@@ -30,13 +28,13 @@ class EmojiDict():
     emoji_json = None
     emoji_dict = []
 
-    def __init__(self, emoji_json_url: str, emoji_dict_path: str) -> None:
-        self.emoji_json_url = emoji_json_url
+    def __init__(self, emoji_json_path: str, emoji_dict_path: str) -> None:
+        self.emoji_json_path = emoji_json_path
         self.emoji_dict_path = emoji_dict_path
 
     def get_emoji_json(self) -> None:
-        with urllib.request.urlopen(self.emoji_json_url) as f:
-            self.emoji_json = json.loads(f.read().decode('utf-8'))
+        with open(self.emoji_json_path, 'r') as f:
+            self.emoji_json = json.load(f)
 
     def save_emoji_dict(self) -> None:
         with open(self.emoji_dict_path, 'w') as f:
@@ -62,7 +60,9 @@ def create_emoji_dict(self) -> None:
 
 
 if __name__ == "__main__":
-    emoji_dict = EmojiDict(EMOJI_JSON_URL, EMOJI_DICT_PATH)
+    EMOJI_JSON_PATH = '/root/emoji_ja.json'
+    EMOJI_DICT_PATH = 'tsv/emoji.tsv'
+    emoji_dict = EmojiDict(EMOJI_JSON_PATH, EMOJI_DICT_PATH)
     emoji_dict.get_emoji_json()
     emoji_dict.create_emoji_dict()
     emoji_dict.save_emoji_dict()