fix: set version #1136

.github/pyinstaller/pyinstaller.spec

@@ -6,20 +6,28 @@ import subprocess
 import wcwidth
 
 
-# when invoking pyinstaller from the project root,
-# this gets run from the project root.
-with open('./capa/version.py', 'wb') as f:
-    # git output will look like:
-    #
-    #     tags/v1.0.0-0-g3af38dc
-    #         ------- tag
-    #                 - commits since
-    #                   g------- git hash fragment
-    version = (subprocess.check_output(["git", "describe", "--always", "--tags", "--long"])
-               .decode("utf-8")
-               .strip()
-               .replace("tags/", ""))
-    f.write(("__version__ = '%s'" % version).encode("utf-8"))
+# git output will look like:
+#
+#     tags/v1.0.0-0-g3af38dc
+#         ------- tag
+#                 - commits since
+#                   g------- git hash fragment
+version = (
+    subprocess.check_output(["git", "describe", "--always", "--tags", "--long"])
+    .decode("utf-8")
+    .strip()
+    .replace("tags/", "")
+)
+# when invoking pyinstaller from the project root, this gets run from the project root.
+with open("./capa/version.py", "r", encoding="utf-8") as f:
+    lines = f.read()
+VERSION_DEF = "__version__ = "
+s = lines.index(VERSION_DEF)
+e = s + len(VERSION_DEF)
+off_rest_file = e + lines[e:].index("\n")
+lines = lines[s:e] + f'"{version}"' + lines[off_rest_file:]
+with open("./capa/version.py", "w", encoding="utf-8") as f:
+    f.write(lines)
 
 a = Analysis(
     # when invoking pyinstaller from the project root,