buildmimetree.py: allow tempdir to be controlled

diff --git a/.config/neomutt/buildmimetree.py b/.config/neomutt/buildmimetree.py
index bd891a231e179d1e12763d6a17c4ef95f1649b6a..40bd856efdb39134462153210cf3f959629e0d64 100755 (executable)
--- a/.config/neomutt/buildmimetree.py
+++ b/.config/neomutt/buildmimetree.py
@@ -7,7 +7,7 @@
 # Configuration:
 #   neomuttrc (needs to be a single line):
 #     macro compose B "\
-#       <enter-command> source '$my_confdir/buildmimetree.py setup|'<enter>\
+#       <enter-command> source '$my_confdir/buildmimetree.py setup --tempdir $tempdir|'<enter>\
 #       <enter-command> sourc e \$my_mdwn_postprocess_cmd_file<enter>\
 #     " "Convert message into a modern MIME tree with inline images"
 #
@@ -67,6 +67,12 @@ def parse_cli_args(*args, **kwargs):
         help="Turn on debug logging of commands generated to stderr",
     )
 
+    parser_setup.add_argument(
+        "--tempdir",
+        default=None,
+        help="Specify temporary directory to use for attachments",
+    )
+
     parser_setup.add_argument(
         "--extension",
         "-x",
@@ -96,6 +102,12 @@ def parse_cli_args(*args, **kwargs):
         help="Turn on debugging to stderr of the MIME tree walk",
     )
 
+    parser_massage.add_argument(
+        "--tempdir",
+        default=None,
+        help="Specify temporary directory to use for attachments",
+    )
+
     parser_massage.add_argument(
         "--extensions",
         metavar="EXTENSIONS",
@@ -241,7 +253,12 @@ def collect_inline_images(
 
 
 def convert_markdown_to_html(
-    origtext, draftpath, *, filewriter_fn=filewriter_fn, extensions=None
+    origtext,
+    draftpath,
+    *,
+    filewriter_fn=filewriter_fn,
+    tempdir=None,
+    extensions=None,
 ):
     origtext, htmltext, images = markdown_with_inline_image_support(
         origtext, extensions=extensions
@@ -262,7 +279,9 @@ def convert_markdown_to_html(
         "alternative", [textpart, htmlpart], "Group of alternative content"
     )
 
-    imgparts = collect_inline_images(images, filewriter_fn=filewriter_fn)
+    imgparts = collect_inline_images(
+        images, tempdir=tempdir, filewriter_fn=filewriter_fn
+    )
     if imgparts:
         return Multipart(
             "relative", [altpart] + imgparts, "Group of related content"
@@ -377,17 +396,24 @@ class MuttCommands:
 
 
 def do_setup(
-    extensions=None, *, out_f=sys.stdout, temppath=None, debug_commands=False
+    extensions=None,
+    *,
+    out_f=sys.stdout,
+    temppath=None,
+    tempdir=None,
+    debug_commands=False,
 ):
     extensions = extensions or []
     temppath = temppath or pathlib.Path(
-        tempfile.mkstemp(prefix="muttmdwn-")[1]
+        tempfile.mkstemp(prefix="muttmdwn-", dir=tempdir)[1]
     )
     cmds = MuttCommands(out_f, debug=debug_commands)
 
     editor = f"{sys.argv[0]} massage --write-commands-to {temppath}"
     if extensions:
         editor = f'{editor} --extensions {",".join(extensions)}'
+    if tempdir:
+        editor = f"{editor} --tempdir {tempdir}"
     if debug_commands:
         editor = f"{editor} --debug-commands"
 
@@ -407,6 +433,7 @@ def do_massage(
     *,
     extensions=None,
     converter=convert_markdown_to_html,
+    tempdir=None,
     debug_commands=False,
     debug_walk=False,
 ):
@@ -429,7 +456,7 @@ def do_massage(
     cmds.flush()
 
     extensions = extensions.split(",") if extensions else []
-    tree = converter(draft_f.read(), draftpath, extensions=extensions)
+    tree = converter(draft_f.read(), draftpath, tempdir=tempdir, extensions=extensions)
 
     mimetree = MIMETreeDFWalker(debug=debug_walk)
 
@@ -514,7 +541,11 @@ if __name__ == "__main__":
         if args.send_message:
             raise NotImplementedError()
 
-        do_setup(args.extensions, debug_commands=args.debug_commands)
+        do_setup(
+            args.extensions,
+            tempdir=args.tempdir,
+            debug_commands=args.debug_commands,
+        )
 
     elif args.mode == "massage":
         with open(args.MAILDRAFT, "r") as draft_f, open(
@@ -525,6 +556,7 @@ if __name__ == "__main__":
                 pathlib.Path(args.MAILDRAFT),
                 cmd_f,
                 extensions=args.extensions,
+                tempdir=args.tempdir,
                 debug_commands=args.debug_commands,
                 debug_walk=args.debug_walk,
             )
@@ -686,7 +718,7 @@ try:
             return StringIO(text or const1)
 
         def test_do_massage_basic(self, const1, string_io, capsys):
-            def converter(drafttext, draftpath, extensions):
+            def converter(drafttext, draftpath, extensions, tempdir):
                 return Part("text", "plain", draftpath, orig=True)
 
             do_massage(
@@ -709,7 +741,7 @@ try:
         def test_do_massage_fulltree(
             self, string_io, const1, basic_mime_tree, capsys
         ):
-            def converter(drafttext, draftpath, extensions):
+            def converter(drafttext, draftpath, extensions, tempdir):
                 return basic_mime_tree
 
             do_massage(
@@ -864,7 +896,6 @@ try:
                 "AAAABCAAAAAA6fptVAAAACklEQVQI12P4DwABAQEAG7buVgAA"
             )
 
-
         def test_markdown_inline_image_processor_base64(self, test_png):
             text = f"![1px white inlined]({test_png})"
             text, html, images = markdown_with_inline_image_support(text)