Add small util functions used by imapplugin

1 files changed, 28 insertions, 0 deletions

diff --git a/src/acit/util.py b/src/acit/util.py
new file mode 100644
index 0000000..e4e346c
--- /dev/null
+++ b/src/acit/util.py
@@ -0,0 +1,28 @@
+def lookahead(iterable): # https://stackoverflow.com/a/1630350
+	"""Pass through all values from the given iterable, augmented by the
+	information if there are more values to come after the current one
+	(True), or if it is the last value (False).
+	"""
+	# Get an iterator and pull the first value.
+	it = iter(iterable)
+	try:
+	    last = next(it)
+	except StopIteration:
+	    return
+	# Run the iterator to exhaustion (starting from the second value).
+	for val in it:
+	    # Report the *previous* value (more to come).
+	    yield last, False
+	    last = val
+	# Report the last value.
+	yield last, True
+
+def email2html(mailtext:str,extraclasses=""):
+	print(mailtext)
+	from html import escape
+	res='<section class="email %s"><p>'%extraclasses
+	mail=escape(mailtext).replace("\n\n","</p><p>").replace("\n","<br>")
+	res+=mail
+	res+="</p></section>"
+	return res
+