feat - Adapt to the latest version of Docker.

Dockerfile

@@ -1,9 +1,11 @@
 FROM alpine:3.11.3
 
+RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.ustc.edu.cn/g' /etc/apk/repositories
+
 RUN apk --no-cache update && apk add --no-cache python3 wget \
     && wget -q --no-check-certificate https://bootstrap.pypa.io/get-pip.py \
     && apk del wget && python3 get-pip.py && rm -f get-pip.py \
-    && pip install -U docker pip && yes | pip uninstall pip
+    && pip install -U docker pip -i https://pypi.tuna.tsinghua.edu.cn/simple && yes | pip uninstall pip
 
 RUN mkdir /app
 COPY entrypoint.sh /.

dedockify.py

@@ -2,6 +2,7 @@
 
 from sys import argv
 import docker
+import docker.errors
 
 class ImageNotFound(Exception):
     pass
@@ -11,9 +12,9 @@ class MainObj:
     def __init__(self):
         super(MainObj, self).__init__()
         self.commands = []
-        self.cli = docker.APIClient(base_url='unix://var/run/docker.sock')
+        self.cli = docker.client.from_env()
         self._get_image(argv[-1])
-        self.hist = self.cli.history(self.img['RepoTags'][0])
+        self.hist = self.img.history()
         self._parse_history()
         self.commands.reverse()
         self._print_commands()
@@ -23,12 +24,12 @@ def _print_commands(self):
             print(i)
 
     def _get_image(self, img_hash):
-        images = self.cli.images()
-        for i in images:
-            if img_hash in i['Id']:
-                self.img = i
-                return
-        raise ImageNotFound("Image {} not found\n".format(img_hash))
+        try:
+            img = self.cli.images.get(img_hash)
+            self.img = img
+        except docker.errors.ImageNotFound:
+            raise ImageNotFound("Image {} not found".format(img_hash))
+
 
     def _insert_step(self, step):
         if "#(nop)" in step:
@@ -52,4 +53,4 @@ def _parse_history(self, rec=False):
             self.commands.append("FROM {}".format(actual_tag))
 
 
-__main__ = MainObj()
+__main__ = MainObj()

requirements.txt

@@ -1 +1 @@
-docker-py==1.10.6
+docker==7.1.0