Merge pull request #2679 from cortesi/commander2

commands - further progress
This commit is contained in:
Aldo Cortesi 2017-12-16 09:22:07 +13:00 committed by GitHub
commit 367d3a02e1
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8 changed files with 124 additions and 151 deletions

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@ -181,13 +181,18 @@ class CommandManager:
parse = [] # type: typing.List[ParseResult]
params = [] # type: typing.List[type]
typ = None # type: typing.Type
for i in range(len(parts)):
if i == 0:
params[:] = [Cmd]
typ = Cmd
if parts[i] in self.commands:
params.extend(self.commands[parts[i]].paramtypes)
if params:
elif params:
typ = params.pop(0)
# FIXME: Do we need to check that Arg is positional?
if typ == Cmd and params and params[0] == Arg:
if parts[i] in self.commands:
params[:] = self.commands[parts[i]].paramtypes
else:
typ = str
parse.append(ParseResult(value=parts[i], type=typ))

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@ -1,13 +1,16 @@
import abc
import glob
import os
import typing
import urwid
from urwid.text_layout import calc_coords
import typing
import abc
import mitmproxy.master
import mitmproxy.command
class Completer:
class Completer: # pragma: no cover
@abc.abstractmethod
def cycle(self) -> str:
pass
@ -24,6 +27,7 @@ class ListCompleter(Completer):
for o in options:
if o.startswith(start):
self.options.append(o)
self.options.sort()
self.offset = 0
def cycle(self) -> str:
@ -34,6 +38,30 @@ class ListCompleter(Completer):
return ret
# Generates the completion options for a specific starting input
def pathOptions(start: str) -> typing.Sequence[str]:
if not start:
start = "./"
path = os.path.expanduser(start)
ret = []
if os.path.isdir(path):
files = glob.glob(os.path.join(path, "*"))
prefix = start
else:
files = glob.glob(path + "*")
prefix = os.path.dirname(start)
prefix = prefix or "./"
for f in files:
display = os.path.join(prefix, os.path.normpath(os.path.basename(f)))
if os.path.isdir(f):
display += "/"
ret.append(display)
if not ret:
ret = [start]
ret.sort()
return ret
CompletionState = typing.NamedTuple(
"CompletionState",
[
@ -93,6 +121,15 @@ class CommandBuffer():
),
parse = parts,
)
elif last.type == mitmproxy.command.Path:
self.completion = CompletionState(
completer = ListCompleter(
"",
pathOptions(parts[1].value)
),
parse = parts,
)
if self.completion:
nxt = self.completion.completer.cycle()
buf = " ".join([i.value for i in self.completion.parse[:-1]]) + " " + nxt
@ -120,9 +157,9 @@ class CommandEdit(urwid.WidgetWrap):
leader = ": "
def __init__(self, master: mitmproxy.master.Master, text: str) -> None:
super().__init__(urwid.Text(self.leader))
self.master = master
self.cbuf = CommandBuffer(master, text)
self._w = urwid.Text(self.leader)
self.update()
def keypress(self, size, key):

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@ -513,7 +513,7 @@ class ConsoleAddon:
kwidget = self.master.window.current("keybindings")
if not kwidget:
raise exceptions.CommandError("Not viewing key bindings.")
f = kwidget.focus()
f = kwidget.get_focused_binding()
if not f:
raise exceptions.CommandError("No key binding focused")
return f

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@ -135,7 +135,7 @@ class KeyBindings(urwid.Pile, layoutwidget.LayoutWidget):
)
self.master = master
def focus(self):
def get_focused_binding(self):
if self.focus_position != 0:
return None
f = self.widget_list[0]

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@ -1,71 +0,0 @@
import glob
import os.path
import urwid
class _PathCompleter:
def __init__(self, _testing=False):
"""
_testing: disables reloading of the lookup table to make testing
possible.
"""
self.lookup, self.offset = None, None
self.final = None
self._testing = _testing
def reset(self):
self.lookup = None
self.offset = -1
def complete(self, txt):
"""
Returns the next completion for txt, or None if there is no
completion.
"""
path = os.path.expanduser(txt)
if not self.lookup:
if not self._testing:
# Lookup is a set of (display value, actual value) tuples.
self.lookup = []
if os.path.isdir(path):
files = glob.glob(os.path.join(path, "*"))
prefix = txt
else:
files = glob.glob(path + "*")
prefix = os.path.dirname(txt)
prefix = prefix or "./"
for f in files:
display = os.path.join(prefix, os.path.basename(f))
if os.path.isdir(f):
display += "/"
self.lookup.append((display, f))
if not self.lookup:
self.final = path
return path
self.lookup.sort()
self.offset = -1
self.lookup.append((txt, txt))
self.offset += 1
if self.offset >= len(self.lookup):
self.offset = 0
ret = self.lookup[self.offset]
self.final = ret[1]
return ret[0]
class PathEdit(urwid.Edit, _PathCompleter):
def __init__(self, prompt, last_path):
urwid.Edit.__init__(self, prompt, last_path)
_PathCompleter.__init__(self)
def keypress(self, size, key):
if key == "tab":
comp = self.complete(self.get_edit_text())
self.set_edit_text(comp)
self.set_edit_pos(len(comp))
else:
self.reset()
return urwid.Edit.keypress(self, size, key)

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@ -24,6 +24,10 @@ class TAddon:
def cmd3(self, foo: int) -> int:
return foo
@command.command("subcommand")
def subcommand(self, cmd: command.Cmd, *args: command.Arg) -> str:
return "ok"
@command.command("empty")
def empty(self) -> None:
pass
@ -102,6 +106,21 @@ class TestCommand:
command.ParseResult(value = "", type = int),
]
],
[
"subcommand ",
[
command.ParseResult(value = "subcommand", type = command.Cmd),
command.ParseResult(value = "", type = command.Cmd),
]
],
[
"subcommand cmd3 ",
[
command.ParseResult(value = "subcommand", type = command.Cmd),
command.ParseResult(value = "cmd3", type = command.Cmd),
command.ParseResult(value = "", type = int),
]
],
]
with taddons.context() as tctx:
tctx.master.addons.add(TAddon())

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@ -1,5 +1,36 @@
import os
import contextlib
from mitmproxy.tools.console.commander import commander
from mitmproxy.test import taddons
from mitmproxy.test import tutils
@contextlib.contextmanager
def chdir(path: str):
old_dir = os.getcwd()
os.chdir(path)
yield
os.chdir(old_dir)
def normPathOpts(prefix, match):
ret = []
for s in commander.pathOptions(match):
s = s[len(prefix):]
s = s.replace(os.sep, "/")
ret.append(s)
return ret
def test_pathOptions():
cd = os.path.normpath(tutils.test_data.path("mitmproxy/completion"))
assert normPathOpts(cd, cd) == ['/aaa', '/aab', '/aac', '/bbb/']
assert normPathOpts(cd, os.path.join(cd, "a")) == ['/aaa', '/aab', '/aac']
with chdir(cd):
assert normPathOpts("", "./") == ['./aaa', './aab', './aac', './bbb/']
assert normPathOpts("", "") == ['./aaa', './aab', './aac', './bbb/']
assert commander.pathOptions("nonexistent") == ["nonexistent"]
class TestListCompleter:
@ -46,6 +77,24 @@ class TestCommandBuffer:
assert cb.buf == output[0]
assert cb.cursor == output[1]
def test_left(self):
cursors = [3, 2, 1, 0, 0]
with taddons.context() as tctx:
cb = commander.CommandBuffer(tctx.master)
cb.buf, cb.cursor = "abcd", 4
for c in cursors:
cb.left()
assert cb.cursor == c
def test_right(self):
cursors = [1, 2, 3, 4, 4]
with taddons.context() as tctx:
cb = commander.CommandBuffer(tctx.master)
cb.buf, cb.cursor = "abcd", 0
for c in cursors:
cb.right()
assert cb.cursor == c
def test_insert(self):
tests = [
[("", 0), ("x", 1)],
@ -66,3 +115,9 @@ class TestCommandBuffer:
cb.buf = "foo bar"
cb.cursor = len(cb.buf)
cb.cycle_completion()
def test_render(self):
with taddons.context() as tctx:
cb = commander.CommandBuffer(tctx.master)
cb.buf = "foo"
assert cb.render() == "foo"

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@ -1,72 +0,0 @@
import os
from os.path import normpath
from unittest import mock
from mitmproxy.tools.console import pathedit
from mitmproxy.test import tutils
class TestPathCompleter:
def test_lookup_construction(self):
c = pathedit._PathCompleter()
cd = os.path.normpath(tutils.test_data.path("mitmproxy/completion"))
ca = os.path.join(cd, "a")
assert c.complete(ca).endswith(normpath("/completion/aaa"))
assert c.complete(ca).endswith(normpath("/completion/aab"))
c.reset()
ca = os.path.join(cd, "aaa")
assert c.complete(ca).endswith(normpath("/completion/aaa"))
assert c.complete(ca).endswith(normpath("/completion/aaa"))
c.reset()
assert c.complete(cd).endswith(normpath("/completion/aaa"))
def test_completion(self):
c = pathedit._PathCompleter(True)
c.reset()
c.lookup = [
("a", "x/a"),
("aa", "x/aa"),
]
assert c.complete("a") == "a"
assert c.final == "x/a"
assert c.complete("a") == "aa"
assert c.complete("a") == "a"
c = pathedit._PathCompleter(True)
r = c.complete("l")
assert c.final.endswith(r)
c.reset()
assert c.complete("/nonexistent") == "/nonexistent"
assert c.final == "/nonexistent"
c.reset()
assert c.complete("~") != "~"
c.reset()
s = "thisisatotallynonexistantpathforsure"
assert c.complete(s) == s
assert c.final == s
class TestPathEdit:
def test_keypress(self):
pe = pathedit.PathEdit("", "")
with mock.patch('urwid.widget.Edit.get_edit_text') as get_text, \
mock.patch('urwid.widget.Edit.set_edit_text') as set_text:
cd = os.path.normpath(tutils.test_data.path("mitmproxy/completion"))
get_text.return_value = os.path.join(cd, "a")
# Pressing tab should set completed path
pe.keypress((1,), "tab")
set_text_called_with = set_text.call_args[0][0]
assert set_text_called_with.endswith(normpath("/completion/aaa"))
# Pressing any other key should reset
pe.keypress((1,), "a")
assert pe.lookup is None