From: Michael Tremer <michael.tremer@ipfire.org>
Date: Fri, 2 Jun 2017 17:03:00 +0000 (+0200)
Subject: errors: Print a nice message on dependency errors
X-Git-Tag: 0.9.28~1285^2~1335
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8cf2641992ca36568d40020e2ddd67377452bdff;p=pakfire.git

errors: Print a nice message on dependency errors

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
---

diff --git a/src/pakfire/errors.py b/src/pakfire/errors.py
index e8236f7e6..6524638c1 100644
--- a/src/pakfire/errors.py
+++ b/src/pakfire/errors.py
@@ -55,7 +55,31 @@ class DatabaseError(Error):
 class DependencyError(Error):
 	exit_code = 4
 
-	message = _("One or more dependencies could not been resolved.")
+	def __init__(self, request):
+		Error.__init__(self)
+
+		# Request object that could not be solved
+		self.request = request
+
+	@property
+	def message(self):
+		lines = [
+			_("One or more dependencies could not been resolved"),
+			"", # empty line
+		]
+
+		for problem in self.request.problems:
+			lines.append("%s" % problem)
+
+			lines.append(_("Possible solutions are:"))
+			for solution in problem.solutions:
+				lines.append("  %s" % solution)
+
+			# Add another empty line
+			lines.append("")
+
+		return "\n".join(lines)
+
 
 class DownloadError(Error):
 	message = _("An error occured when pakfire tried to download files.")