mirror of
https://github.com/Grasscutters/mitmproxy.git
synced 2024-11-23 08:11:00 +00:00
720 lines
20 KiB
Python
720 lines
20 KiB
Python
from __future__ import absolute_import, print_function, division
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import copy
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import os
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import re
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import urwid
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from mitmproxy import exceptions
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from mitmproxy import filt
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from mitmproxy.builtins import script
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from mitmproxy.console import common
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from mitmproxy.console import signals
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from netlib import strutils
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from netlib.http import cookies
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from netlib.http import user_agents
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FOOTER = [
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('heading_key', "enter"), ":edit ",
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('heading_key', "q"), ":back ",
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]
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FOOTER_EDITING = [
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('heading_key', "esc"), ":stop editing ",
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]
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class TextColumn:
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subeditor = None
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def __init__(self, heading):
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self.heading = heading
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def text(self, obj):
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return SEscaped(obj or "")
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def blank(self):
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return ""
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def keypress(self, key, editor):
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if key == "r":
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if editor.walker.get_current_value() is not None:
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signals.status_prompt_path.send(
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self,
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prompt = "Read file",
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callback = editor.read_file
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)
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elif key == "R":
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if editor.walker.get_current_value() is not None:
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signals.status_prompt_path.send(
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editor,
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prompt = "Read unescaped file",
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callback = editor.read_file,
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args = (True,)
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)
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elif key == "e":
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o = editor.walker.get_current_value()
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if o is not None:
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n = editor.master.spawn_editor(o.encode("string-escape"))
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n = strutils.clean_hanging_newline(n)
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editor.walker.set_current_value(n, False)
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editor.walker._modified()
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elif key in ["enter"]:
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editor.walker.start_edit()
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else:
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return key
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class SubgridColumn:
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def __init__(self, heading, subeditor):
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self.heading = heading
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self.subeditor = subeditor
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def text(self, obj):
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p = cookies._format_pairs(obj, sep="\n")
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return urwid.Text(p)
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def blank(self):
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return []
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def keypress(self, key, editor):
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if key in "rRe":
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signals.status_message.send(
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self,
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message = "Press enter to edit this field.",
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expire = 1000
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)
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return
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elif key in ["enter"]:
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editor.master.view_grideditor(
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self.subeditor(
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editor.master,
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editor.walker.get_current_value(),
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editor.set_subeditor_value,
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editor.walker.focus,
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editor.walker.focus_col
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)
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)
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else:
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return key
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class SEscaped(urwid.WidgetWrap):
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def __init__(self, txt):
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txt = txt.encode("string-escape")
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w = urwid.Text(txt, wrap="any")
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urwid.WidgetWrap.__init__(self, w)
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def get_text(self):
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return self._w.get_text()[0]
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def keypress(self, size, key):
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return key
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def selectable(self):
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return True
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class SEdit(urwid.WidgetWrap):
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def __init__(self, txt):
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txt = txt.encode("string-escape")
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w = urwid.Edit(edit_text=txt, wrap="any", multiline=True)
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w = urwid.AttrWrap(w, "editfield")
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urwid.WidgetWrap.__init__(self, w)
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def get_text(self):
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return self._w.get_text()[0].strip()
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def selectable(self):
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return True
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class GridRow(urwid.WidgetWrap):
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def __init__(self, focused, editing, editor, values):
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self.focused, self.editing, self.editor = focused, editing, editor
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errors = values[1]
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self.fields = []
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for i, v in enumerate(values[0]):
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if focused == i and editing:
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self.editing = SEdit(v)
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self.fields.append(self.editing)
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else:
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w = self.editor.columns[i].text(v)
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if focused == i:
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if i in errors:
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w = urwid.AttrWrap(w, "focusfield_error")
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else:
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w = urwid.AttrWrap(w, "focusfield")
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elif i in errors:
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w = urwid.AttrWrap(w, "field_error")
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self.fields.append(w)
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fspecs = self.fields[:]
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if len(self.fields) > 1:
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fspecs[0] = ("fixed", self.editor.first_width + 2, fspecs[0])
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w = urwid.Columns(
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fspecs,
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dividechars = 2
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)
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if focused is not None:
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w.set_focus_column(focused)
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urwid.WidgetWrap.__init__(self, w)
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def get_edit_value(self):
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return self.editing.get_text()
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def keypress(self, s, k):
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if self.editing:
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w = self._w.column_widths(s)[self.focused]
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k = self.editing.keypress((w,), k)
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return k
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def selectable(self):
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return True
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class GridWalker(urwid.ListWalker):
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"""
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Stores rows as a list of (rows, errors) tuples, where rows is a list
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and errors is a set with an entry of each offset in rows that is an
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error.
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"""
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def __init__(self, lst, editor):
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self.lst = [(i, set([])) for i in lst]
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self.editor = editor
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self.focus = 0
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self.focus_col = 0
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self.editing = False
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def _modified(self):
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self.editor.show_empty_msg()
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return urwid.ListWalker._modified(self)
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def add_value(self, lst):
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self.lst.append((lst[:], set([])))
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self._modified()
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def get_current_value(self):
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if self.lst:
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return self.lst[self.focus][0][self.focus_col]
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def set_current_value(self, val, unescaped):
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if not unescaped:
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try:
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val = val.decode("string-escape")
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except ValueError:
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signals.status_message.send(
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self,
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message = "Invalid Python-style string encoding.",
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expire = 1000
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)
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return
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errors = self.lst[self.focus][1]
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emsg = self.editor.is_error(self.focus_col, val)
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if emsg:
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signals.status_message.send(message = emsg, expire = 1)
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errors.add(self.focus_col)
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else:
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errors.discard(self.focus_col)
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self.set_value(val, self.focus, self.focus_col, errors)
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def set_value(self, val, focus, focus_col, errors=None):
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if not errors:
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errors = set([])
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row = list(self.lst[focus][0])
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row[focus_col] = val
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self.lst[focus] = [tuple(row), errors]
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self._modified()
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def delete_focus(self):
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if self.lst:
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del self.lst[self.focus]
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self.focus = min(len(self.lst) - 1, self.focus)
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self._modified()
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def _insert(self, pos):
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self.focus = pos
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self.lst.insert(
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self.focus,
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[
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[c.blank() for c in self.editor.columns], set([])
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]
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)
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self.focus_col = 0
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self.start_edit()
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def insert(self):
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return self._insert(self.focus)
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def add(self):
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return self._insert(min(self.focus + 1, len(self.lst)))
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def start_edit(self):
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col = self.editor.columns[self.focus_col]
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if self.lst and not col.subeditor:
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self.editing = GridRow(
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self.focus_col, True, self.editor, self.lst[self.focus]
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)
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self.editor.master.loop.widget.footer.update(FOOTER_EDITING)
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self._modified()
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def stop_edit(self):
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if self.editing:
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self.editor.master.loop.widget.footer.update(FOOTER)
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self.set_current_value(self.editing.get_edit_value(), False)
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self.editing = False
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self._modified()
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def left(self):
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self.focus_col = max(self.focus_col - 1, 0)
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self._modified()
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def right(self):
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self.focus_col = min(self.focus_col + 1, len(self.editor.columns) - 1)
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self._modified()
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def tab_next(self):
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self.stop_edit()
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if self.focus_col < len(self.editor.columns) - 1:
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self.focus_col += 1
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elif self.focus != len(self.lst) - 1:
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self.focus_col = 0
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self.focus += 1
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self._modified()
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def get_focus(self):
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if self.editing:
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return self.editing, self.focus
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elif self.lst:
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return GridRow(
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self.focus_col,
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False,
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self.editor,
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self.lst[self.focus]
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), self.focus
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else:
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return None, None
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def set_focus(self, focus):
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self.stop_edit()
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self.focus = focus
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self._modified()
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def get_next(self, pos):
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if pos + 1 >= len(self.lst):
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return None, None
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return GridRow(None, False, self.editor, self.lst[pos + 1]), pos + 1
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def get_prev(self, pos):
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if pos - 1 < 0:
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return None, None
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return GridRow(None, False, self.editor, self.lst[pos - 1]), pos - 1
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class GridListBox(urwid.ListBox):
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def __init__(self, lw):
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urwid.ListBox.__init__(self, lw)
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FIRST_WIDTH_MAX = 40
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FIRST_WIDTH_MIN = 20
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class GridEditor(urwid.WidgetWrap):
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title = None
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columns = None
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def __init__(self, master, value, callback, *cb_args, **cb_kwargs):
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value = self.data_in(copy.deepcopy(value))
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self.master, self.value, self.callback = master, value, callback
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self.cb_args, self.cb_kwargs = cb_args, cb_kwargs
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first_width = 20
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if value:
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for r in value:
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assert len(r) == len(self.columns)
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first_width = max(len(r), first_width)
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self.first_width = min(first_width, FIRST_WIDTH_MAX)
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title = urwid.Text(self.title)
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title = urwid.Padding(title, align="left", width=("relative", 100))
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title = urwid.AttrWrap(title, "heading")
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headings = []
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for i, col in enumerate(self.columns):
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c = urwid.Text(col.heading)
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if i == 0 and len(self.columns) > 1:
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headings.append(("fixed", first_width + 2, c))
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else:
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headings.append(c)
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h = urwid.Columns(
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headings,
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dividechars = 2
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)
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h = urwid.AttrWrap(h, "heading")
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self.walker = GridWalker(self.value, self)
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self.lb = GridListBox(self.walker)
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self._w = urwid.Frame(
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self.lb,
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header = urwid.Pile([title, h])
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)
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self.master.loop.widget.footer.update("")
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self.show_empty_msg()
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def show_empty_msg(self):
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if self.walker.lst:
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self._w.set_footer(None)
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else:
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self._w.set_footer(
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urwid.Text(
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[
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("highlight", "No values. Press "),
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("key", "a"),
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("highlight", " to add some."),
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]
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)
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)
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def encode(self, s):
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if not self.encoding:
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return s
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try:
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return s.encode(self.encoding)
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except ValueError:
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return None
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def read_file(self, p, unescaped=False):
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if p:
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try:
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p = os.path.expanduser(p)
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d = open(p, "rb").read()
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self.walker.set_current_value(d, unescaped)
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self.walker._modified()
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except IOError as v:
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return str(v)
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def set_subeditor_value(self, val, focus, focus_col):
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self.walker.set_value(val, focus, focus_col)
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def keypress(self, size, key):
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if self.walker.editing:
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if key in ["esc"]:
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self.walker.stop_edit()
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elif key == "tab":
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pf, pfc = self.walker.focus, self.walker.focus_col
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self.walker.tab_next()
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if self.walker.focus == pf and self.walker.focus_col != pfc:
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self.walker.start_edit()
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else:
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self._w.keypress(size, key)
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return None
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key = common.shortcuts(key)
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column = self.columns[self.walker.focus_col]
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if key in ["q", "esc"]:
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res = []
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for i in self.walker.lst:
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if not i[1] and any([x for x in i[0]]):
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res.append(i[0])
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self.callback(self.data_out(res), *self.cb_args, **self.cb_kwargs)
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signals.pop_view_state.send(self)
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elif key == "g":
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self.walker.set_focus(0)
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elif key == "G":
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self.walker.set_focus(len(self.walker.lst) - 1)
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elif key in ["h", "left"]:
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self.walker.left()
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elif key in ["l", "right"]:
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self.walker.right()
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elif key == "tab":
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self.walker.tab_next()
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elif key == "a":
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self.walker.add()
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elif key == "A":
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self.walker.insert()
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elif key == "d":
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self.walker.delete_focus()
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elif column.keypress(key, self) and not self.handle_key(key):
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return self._w.keypress(size, key)
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def data_out(self, data):
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"""
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Called on raw list data, before data is returned through the
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callback.
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"""
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return data
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def data_in(self, data):
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"""
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Called to prepare provided data.
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"""
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return data
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def is_error(self, col, val):
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"""
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Return False, or a string error message.
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"""
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return False
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def handle_key(self, key):
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return False
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def make_help(self):
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text = []
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text.append(urwid.Text([("text", "Editor control:\n")]))
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keys = [
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("A", "insert row before cursor"),
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("a", "add row after cursor"),
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("d", "delete row"),
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("e", "spawn external editor on current field"),
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("q", "save changes and exit editor"),
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("r", "read value from file"),
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("R", "read unescaped value from file"),
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("esc", "save changes and exit editor"),
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("tab", "next field"),
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("enter", "edit field"),
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]
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text.extend(
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common.format_keyvals(keys, key="key", val="text", indent=4)
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)
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text.append(
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urwid.Text(
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[
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"\n",
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("text", "Values are escaped Python-style strings.\n"),
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]
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)
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)
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return text
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class QueryEditor(GridEditor):
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title = "Editing query"
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columns = [
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TextColumn("Key"),
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TextColumn("Value")
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]
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class HeaderEditor(GridEditor):
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title = "Editing headers"
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columns = [
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TextColumn("Key"),
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TextColumn("Value")
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]
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def make_help(self):
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h = GridEditor.make_help(self)
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text = []
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text.append(urwid.Text([("text", "Special keys:\n")]))
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keys = [
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("U", "add User-Agent header"),
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]
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text.extend(
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common.format_keyvals(keys, key="key", val="text", indent=4)
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)
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text.append(urwid.Text([("text", "\n")]))
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text.extend(h)
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return text
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def set_user_agent(self, k):
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ua = user_agents.get_by_shortcut(k)
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if ua:
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self.walker.add_value(
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[
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"User-Agent",
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ua[2]
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]
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)
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def handle_key(self, key):
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if key == "U":
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signals.status_prompt_onekey.send(
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prompt = "Add User-Agent header:",
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keys = [(i[0], i[1]) for i in user_agents.UASTRINGS],
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callback = self.set_user_agent,
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)
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return True
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class URLEncodedFormEditor(GridEditor):
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title = "Editing URL-encoded form"
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columns = [
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TextColumn("Key"),
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TextColumn("Value")
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]
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class ReplaceEditor(GridEditor):
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title = "Editing replacement patterns"
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columns = [
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TextColumn("Filter"),
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TextColumn("Regex"),
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TextColumn("Replacement"),
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]
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def is_error(self, col, val):
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if col == 0:
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if not filt.parse(val):
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return "Invalid filter specification."
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elif col == 1:
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try:
|
|
re.compile(val)
|
|
except re.error:
|
|
return "Invalid regular expression."
|
|
return False
|
|
|
|
|
|
class SetHeadersEditor(GridEditor):
|
|
title = "Editing header set patterns"
|
|
columns = [
|
|
TextColumn("Filter"),
|
|
TextColumn("Header"),
|
|
TextColumn("Value"),
|
|
]
|
|
|
|
def is_error(self, col, val):
|
|
if col == 0:
|
|
if not filt.parse(val):
|
|
return "Invalid filter specification"
|
|
return False
|
|
|
|
def make_help(self):
|
|
h = GridEditor.make_help(self)
|
|
text = []
|
|
text.append(urwid.Text([("text", "Special keys:\n")]))
|
|
keys = [
|
|
("U", "add User-Agent header"),
|
|
]
|
|
text.extend(
|
|
common.format_keyvals(keys, key="key", val="text", indent=4)
|
|
)
|
|
text.append(urwid.Text([("text", "\n")]))
|
|
text.extend(h)
|
|
return text
|
|
|
|
def set_user_agent(self, k):
|
|
ua = user_agents.get_by_shortcut(k)
|
|
if ua:
|
|
self.walker.add_value(
|
|
[
|
|
".*",
|
|
"User-Agent",
|
|
ua[2]
|
|
]
|
|
)
|
|
|
|
def handle_key(self, key):
|
|
if key == "U":
|
|
signals.status_prompt_onekey.send(
|
|
prompt = "Add User-Agent header:",
|
|
keys = [(i[0], i[1]) for i in user_agents.UASTRINGS],
|
|
callback = self.set_user_agent,
|
|
)
|
|
return True
|
|
|
|
|
|
class PathEditor(GridEditor):
|
|
title = "Editing URL path components"
|
|
columns = [
|
|
TextColumn("Component"),
|
|
]
|
|
|
|
def data_in(self, data):
|
|
return [[i] for i in data]
|
|
|
|
def data_out(self, data):
|
|
return [i[0] for i in data]
|
|
|
|
|
|
class ScriptEditor(GridEditor):
|
|
title = "Editing scripts"
|
|
columns = [
|
|
TextColumn("Command"),
|
|
]
|
|
|
|
def is_error(self, col, val):
|
|
try:
|
|
script.parse_command(val)
|
|
except exceptions.AddonError as e:
|
|
return str(e)
|
|
|
|
|
|
class HostPatternEditor(GridEditor):
|
|
title = "Editing host patterns"
|
|
columns = [
|
|
TextColumn("Regex (matched on hostname:port / ip:port)")
|
|
]
|
|
|
|
def is_error(self, col, val):
|
|
try:
|
|
re.compile(val, re.IGNORECASE)
|
|
except re.error as e:
|
|
return "Invalid regex: %s" % str(e)
|
|
|
|
def data_in(self, data):
|
|
return [[i] for i in data]
|
|
|
|
def data_out(self, data):
|
|
return [i[0] for i in data]
|
|
|
|
|
|
class CookieEditor(GridEditor):
|
|
title = "Editing request Cookie header"
|
|
columns = [
|
|
TextColumn("Name"),
|
|
TextColumn("Value"),
|
|
]
|
|
|
|
|
|
class CookieAttributeEditor(GridEditor):
|
|
title = "Editing Set-Cookie attributes"
|
|
columns = [
|
|
TextColumn("Name"),
|
|
TextColumn("Value"),
|
|
]
|
|
|
|
def data_out(self, data):
|
|
ret = []
|
|
for i in data:
|
|
if not i[1]:
|
|
ret.append([i[0], None])
|
|
else:
|
|
ret.append(i)
|
|
return ret
|
|
|
|
|
|
class SetCookieEditor(GridEditor):
|
|
title = "Editing response SetCookie header"
|
|
columns = [
|
|
TextColumn("Name"),
|
|
TextColumn("Value"),
|
|
SubgridColumn("Attributes", CookieAttributeEditor),
|
|
]
|
|
|
|
def data_in(self, data):
|
|
flattened = []
|
|
for key, (value, attrs) in data:
|
|
flattened.append([key, value, attrs.items(multi=True)])
|
|
return flattened
|
|
|
|
def data_out(self, data):
|
|
vals = []
|
|
for key, value, attrs in data:
|
|
vals.append(
|
|
[
|
|
key,
|
|
(value, attrs)
|
|
]
|
|
)
|
|
return vals
|