mirror of
https://github.com/Grasscutters/mitmproxy.git
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366 lines
10 KiB
Python
366 lines
10 KiB
Python
# Copyright (C) 2012 Aldo Cortesi
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import copy, re
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import urwid
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import common
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from .. import utils, filt
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def _mkhelp():
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text = []
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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", "return to flow view"),
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("esc", "return to flow view/exit field edit mode"),
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("tab", "next field"),
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("enter", "edit field"),
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]
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text.extend(common.format_keyvals(keys, key="key", val="text", indent=4))
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return text
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help_context = _mkhelp()
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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 SText(common.WWrap):
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def __init__(self, txt, focused, error):
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w = urwid.Text(txt, wrap="any")
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if focused:
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if error:
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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 error:
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w = urwid.AttrWrap(w, "field_error")
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common.WWrap.__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(common.WWrap):
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def __init__(self, txt):
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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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common.WWrap.__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 selectable(self):
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return True
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class GridRow(common.WWrap):
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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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self.fields.append(
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SText(v, True if focused == i else False, i in errors)
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)
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fspecs = self.fields[:]
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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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common.WWrap.__init__(self, w)
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def get_value(self):
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vals = []
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errors = set([])
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for i, f in enumerate(self.fields):
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v = f.get_text()
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vals.append(v)
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if self.editor.is_error(i, v):
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errors.add(i)
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return [vals, errors]
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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 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):
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row = list(self.lst[self.focus][0])
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row[self.focus_col] = val
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self.lst[self.focus] = [tuple(row), set([])]
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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(self.focus, [[""]*self.editor.columns, set([])])
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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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if self.lst:
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self.editing = GridRow(self.focus_col, True, self.editor, self.lst[self.focus])
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self.editor.master.statusbar.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.statusbar.update(footer)
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self.lst[self.focus] = self.editing.get_value()
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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, 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 < 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(self.focus_col, False, self.editor, self.lst[self.focus]), 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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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(common.WWrap):
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def __init__(self, master, value, callback, *cb_args, **cb_kwargs):
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value = 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) == 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, h in enumerate(self.headings):
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c = urwid.Text(h)
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if i == 0:
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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.statusbar.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 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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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 any([x.strip() for x in i[0]]):
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res.append(i[0])
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self.callback(res, *self.cb_args, **self.cb_kwargs)
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self.master.pop_view()
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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 key == "e":
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o = self.walker.get_current_value()
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if o is not None:
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n = self.master.spawn_editor(o)
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n = utils.clean_hanging_newline(n)
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self.walker.set_current_value(n)
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self.walker._modified()
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elif key in ["enter"]:
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self.walker.start_edit()
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else:
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return self.w.keypress(size, key)
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def is_error(self, col, val):
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return False
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class QueryEditor(GridEditor):
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title = "Editing query"
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columns = 2
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headings = ("Key", "Value")
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class HeaderEditor(GridEditor):
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title = "Editing headers"
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columns = 2
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headings = ("Key", "Value")
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class URLEncodedFormEditor(GridEditor):
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title = "Editing URL-encoded form"
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columns = 2
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headings = ("Key", "Value")
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class ReplaceEditor(GridEditor):
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title = "Editing replacement patterns"
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columns = 3
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headings = ("Filter", "Regex", "Replacement")
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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 True
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elif col == 1:
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try:
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re.compile(val)
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except re.error:
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return True
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return False
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