Merge pull request #698 from Epse/dnf-module

Basic DNF support

thefuck/rules/dnf_no_such_command.py

@@ -0,0 +1,37 @@
+import subprocess
+import re
+from thefuck.specific.sudo import sudo_support
+from thefuck.utils import for_app, replace_command
+from thefuck.specific.dnf import dnf_available
+
+
+regex = re.compile(r'No such command: (.*)\.')
+
+
+@for_app('dnf')
+@sudo_support
+def match(command):
+    return 'no such command' in command.output.lower()
+
+
+def _parse_operations(help_text_lines):
+    operation_regex = re.compile(r'^([a-z-]+) +', re.MULTILINE)
+    return operation_regex.findall(help_text_lines)
+
+
+def _get_operations():
+    proc = subprocess.Popen(["dnf", '--help'],
+                            stdout=subprocess.PIPE,
+                            stderr=subprocess.PIPE)
+    lines = proc.stdout.read().decode("utf-8")
+
+    return _parse_operations(lines)
+
+
+@sudo_support
+def get_new_command(command):
+    misspelled_command = regex.findall(command.output)[0]
+    return replace_command(command, misspelled_command, _get_operations())
+
+
+enabled_by_default = dnf_available

thefuck/specific/dnf.py

@@ -0,0 +1,3 @@
+from thefuck.utils import which
+
+dnf_available = bool(which('dnf'))