primitive, awful text formatting
This commit is contained in:
Blake DeMarcy
parent
28680865ee
commit
b731ab69fa
@ -408,7 +408,7 @@ class BBJ(object):
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return response["data"], response["usermap"]
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def thread_load(self, thread_id):
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def thread_load(self, thread_id, format=None):
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"""
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Returns a tuple where [0] is a thread object and [1] is a usermap object.
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@ -419,5 +419,5 @@ class BBJ(object):
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print(usermap[author_id]["user_name"])
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print(message["body"])
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"""
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response = self("thread_load", thread_id=thread_id)
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response = self("thread_load", format=format, thread_id=thread_id)
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return response["data"], response["usermap"]
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@ -62,6 +62,11 @@ welcome = """>>> Welcome to Bulletin Butter & Jelly! ------------------@
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@_________________________________________________________@
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"""
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colornames = [
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"none", "red", "yellow", "green", "blue",
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"cyan", "magenta"
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]
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colors = [
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"\033[1;31m", "\033[1;33m", "\033[1;33m",
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"\033[1;32m", "\033[1;34m", "\033[1;35m"
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@ -90,10 +95,13 @@ class App(object):
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("default", "default", "default"),
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("bar", "light magenta", "default"),
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("button", "light red", "default"),
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("quote", "light green,underline", "default"),
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("opt_prompt", "black", "light gray"),
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("opt_header", "light cyan", "default"),
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("hover", "light cyan", "default"),
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("dim", "dark gray", "default"),
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("bold", "default,bold", "default"),
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("underline", "default,underline", "default"),
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# map the bbj api color values for display
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("0", "default", "default"),
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@ -258,7 +266,7 @@ class App(object):
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return [
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head,
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urwid.Divider(),
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MessageBody(message["body"]),
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urwid.Columns([(self.prefs["max_text_width"], MessageBody(message["body"]))]),
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urwid.Divider(),
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urwid.AttrMap(urwid.Divider("-"), "dim")
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]
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@ -333,7 +341,7 @@ class App(object):
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if self.mode == "index":
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self.last_pos = self.loop.widget.body.base_widget.get_focus()[1]
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self.mode = "thread"
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thread, usermap = network.thread_load(thread_id)
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thread, usermap = network.thread_load(thread_id, format="sequential")
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self.usermap.update(usermap)
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self.thread = thread
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self.walker.clear()
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@ -480,6 +488,11 @@ class App(object):
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widget.set_text(rendered)
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def edit_width(self, editor, content):
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self.prefs["max_text_width"] = \
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int(content) if content else 0
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bbjrc("update", **self.prefs)
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def options_menu(self):
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"""
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@ -488,14 +501,13 @@ class App(object):
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"""
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editor_buttons = []
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edit_mode = []
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user_colors = []
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if network.user_auth:
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account_message = "Logged in as %s." % network.user_name
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colors = ["None", "Red", "Yellow", "Green", "Blue", "Cyan", "Magenta"]
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for index, color in enumerate(colors):
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user_colors = []
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for index, color in enumerate(colornames):
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urwid.RadioButton(
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user_colors, color,
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user_colors, color.title(),
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network.user["color"] == index,
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self.set_color, index)
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@ -513,11 +525,11 @@ class App(object):
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account_stuff = [urwid.Button("Login/Register", on_press=self.relog)]
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time_box = urwid.Text(self.timestring(time(), "time"))
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time_edit = urwid.Edit(edit_text=self.prefs["time"])
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time_edit = Prompt(edit_text=self.prefs["time"])
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urwid.connect_signal(time_edit, "change", self.live_time_render, (time_box, "time"))
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date_box = urwid.Text(self.timestring(time(), "date"))
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date_edit = urwid.Edit(edit_text=self.prefs["date"])
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date_edit = Prompt(edit_text=self.prefs["date"])
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urwid.connect_signal(date_edit, "change", self.live_time_render, (date_box, "date"))
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time_stuff = [
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@ -528,7 +540,10 @@ class App(object):
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date_box, urwid.AttrMap(date_edit, "opt_prompt"),
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]
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editor_display = urwid.Edit(edit_text=self.prefs["editor"])
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width_edit = urwid.IntEdit(default=self.prefs["max_text_width"])
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urwid.connect_signal(width_edit, "change", self.edit_width)
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editor_display = Prompt(edit_text=self.prefs["editor"])
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urwid.connect_signal(editor_display, "change", self.set_new_editor, editor_buttons)
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for editor in editors:
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urwid.RadioButton(
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@ -564,6 +579,9 @@ class App(object):
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urwid.Divider(),
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*time_stuff,
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urwid.Divider(),
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urwid.Text(("button", "Max message width:")),
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urwid.AttrMap(width_edit, "opt_prompt"),
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urwid.Divider(),
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urwid.Text(("button", "Text editor:")),
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urwid.Text("You can type in your own command or use one of these presets."),
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urwid.Divider(),
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@ -587,7 +605,7 @@ class App(object):
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align="center",
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valign="middle",
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width=30,
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height=(self.loop.screen_size[1] - 10)
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height=("relative", 75)
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)
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@ -681,8 +699,8 @@ class App(object):
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self.loop.widget,
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align="center",
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valign="middle",
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width=self.loop.screen_size[0] - 2,
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height=(self.loop.screen_size[1] - 4))
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width=("relative", 90),
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height=("relative", 80))
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elif self.mode == "thread":
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self.window_split=True
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@ -701,10 +719,87 @@ class App(object):
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class MessageBody(urwid.Text):
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pass
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def __init__(self, text_objects):
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result = []
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last_directive = None
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for paragraph in text_objects:
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for directive, body in paragraph:
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if directive in colornames:
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color = str(colornames.index(directive))
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result.append((color, body))
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elif directive in ["underline", "bold"]:
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result.append((directive, body))
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elif directive == "linequote":
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if directive != last_directive and result[-1][-1][-1] != "\n":
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result.append(("default", "\n"))
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result.append(("3", "%s\n" % body.strip()))
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elif directive == "quote":
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result.append(("quote", ">>%s" % body))
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elif directive == "rainbow":
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color = 1
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for char in body:
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if color == 7:
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color = 1
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result.append((str(color), char))
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color += 1
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else:
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result.append(("default", body))
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last_directive = directive
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result.append("\n\n")
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result.pop()
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super(MessageBody, self).__init__(result)
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class FootPrompt(urwid.Edit):
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class Prompt(urwid.Edit):
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"""
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Supports basic bashmacs keybinds. Key casing is
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ignored and ctrl/alt are treated the same. Only
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character-wise (not word-wise) movements are
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implemented.
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"""
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def keypress(self, size, key):
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if not super(Prompt, self).keypress(size, key):
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return
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elif key[0:4] not in ["meta", "ctrl"]:
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return key
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column = self.get_cursor_coords((app.loop.screen_size[0],))[0]
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text = self.get_edit_text()
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key = key[-1].lower()
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if key == "u":
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self.set_edit_pos(0)
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self.set_edit_text(text[column:])
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elif key == "k":
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self.set_edit_text(text[:column])
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elif key == "f":
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self.keypress(size, "right")
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elif key == "b":
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self.keypress(size, "left")
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elif key == "a":
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self.set_edit_pos(0)
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elif key == "e":
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self.set_edit_pos(len(text))
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elif key == "d":
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self.set_edit_text(text[0:column] + text[column+1:])
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return key
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class FootPrompt(Prompt):
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def __init__(self, callback, *callback_args):
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super(FootPrompt, self).__init__()
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self.callback = callback
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@ -728,6 +823,10 @@ class ExternalEditor(urwid.Terminal):
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self.endpoint = endpoint
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self.params = params
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env = os.environ
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# barring this, programs will happily spit out unicode chars which
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# urwid+python3 seem to choke on. This seems to be a bug on urwid's
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# behalf. Users who take issue to programs trying to supress unicode
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# should use the options menu to switch to Overthrow mode.
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env.update({"LANG": "POSIX"})
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command = ["bash", "-c", "{} {}; echo Press any key to kill this window...".format(
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app.prefs["editor"], self.path)]
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@ -757,6 +856,16 @@ class ExternalEditor(urwid.Terminal):
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app.switch_editor()
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def __del__(self):
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"""
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Make damn sure we scoop up after ourselves here...
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"""
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try:
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os.remove(self.path)
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except FileNotFoundError:
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pass
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class OptionsMenu(urwid.LineBox):
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def keypress(self, size, key):
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if key == "esc":
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@ -1,5 +1,5 @@
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from src.exceptions import BBJException, BBJParameterError, BBJUserError
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from src import db, schema
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from src import db, schema, formatting
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from functools import wraps
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from uuid import uuid1
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import traceback
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@ -244,6 +244,9 @@ class API(object):
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thread = db.thread_get(database, args["thread_id"])
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cherrypy.thread_data.usermap = \
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create_usermap(database, thread["messages"])
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if args.get("format") == "sequential":
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formatting.apply_formatting(thread["messages"],
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formatting.sequential_expressions)
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return thread
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@ -3,34 +3,135 @@ This module is not complete and none of its functions are currently
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used elsewhere. Subject to major refactoring.
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"""
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from markdown import markdown
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from html import escape
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test = """
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This is a small paragraph
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thats divided between a
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few rows.
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this opens a few linequotes.
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>this is a few
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>rows of
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>sequential line breaks
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and this is what follows right after
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"""
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# from markdown import markdown
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# from html import escape
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import re
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#0, 1 2 3 4 5 6
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colors = [
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#0, 1 2 3 4 5 6
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"red", "yellow", "green", "blue", "cyan", "magenta"
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]
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markup = [
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"bold", "italic", "underline", "strike"
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"bold", "italic", "underline", "linequote", "quote", "rainbow"
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]
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tokens = re.compile(r"\[(%s): (.+?)]" % "|".join(colors + markup),
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flags=re.DOTALL)
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# tokens being [red: this will be red] and [bold: this will be bold]
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# tokens = re.compile(r"\[(%s): (.+?)]" % "|".join(colors + markup), flags=re.DOTALL)
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# quotes being references to other post_ids, like >>34 or >>0 for OP
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quotes = re.compile(">>([0-9]+)")
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linequotes = re.compile("^(>.+)$",
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flags=re.MULTILINE)
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# linequotes being chan-style greentext,
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# >like this
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linequotes = re.compile("^(>.+)$", flags=re.MULTILINE)
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def parse_segments(text, sanitize_linequotes=True):
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"""
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Parse linequotes, quotes, and paragraphs into their appropriate
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representations. Paragraphs are represented as separate strings
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in the returned list, and quote-types are compiled to their
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[bracketed] representations.
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"""
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result = list()
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for paragraph in [p.strip() for p in re.split("\n{2,}", text)]:
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pg = str()
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for segment in [s.strip() for s in paragraph.split("\n")]:
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if not segment:
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continue
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segment = quotes.sub(lambda m: "[quote: %s]" % m.group(1), segment)
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if segment.startswith(">"):
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if sanitize_linequotes:
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inner = segment.replace("]", "\\]")
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else:
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inner = segment
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segment = "[linequote: %s]" % inner
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# pg = pg[0:-1]
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pg += segment
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else:
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pg += segment + " "
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result.append(pg.strip())
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return result
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def sequential_expressions(string):
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"""
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Takes a string, sexpifies it, and returns a list of lists
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who contain tuples. Each list of tuples represents a paragraph.
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Within each paragraph, [0] is either None or a markup directive,
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and [1] is the body of text to which it applies. This representation
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is very easy to handle for a client. It semi-supports nesting:
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eg, the expression [red: this [blue: is [green: mixed]]] will
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return [("red", "this "), ("blue", "is "), ("green", "mixed")],
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but this cannot effectively express an input like
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[bold: [red: bolded colors.]], in which case the innermost
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expression will take precedence. For the input:
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"[bold: [red: this] is some shit [green: it cant handle]]"
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you get:
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[('red', 'this'), ('bold', ' is some shit '), ('green', 'it cant handle')]
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"""
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# abandon all hope ye who enter here
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directives = colors + markup
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result = list()
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for paragraph in parse_segments(string):
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stack = [[None, str()]]
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skip_iters = []
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nest = [None]
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escaped = False
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for index, char in enumerate(paragraph):
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if skip_iters:
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skip_iters.pop()
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continue
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if not escaped and char == "[":
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directive = paragraph[index+1:paragraph.find(": ", index+1)]
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open_p = directive in directives
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else: open_p = False
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clsd_p = not escaped and nest[-1] != None and char == "]"
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# dont splice other directives into linequotes: that is far
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# too confusing for the client to determine where to put line
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# breaks
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if open_p and nest[-1] != "linequote":
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stack.append([directive, str()])
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nest.append(directive)
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[skip_iters.append(x) for x in range(len(directive)+2)]
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elif clsd_p:
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nest.pop()
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stack.append([nest[-1], str()])
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else:
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escaped = char == "\\"
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if not (escaped and paragraph[index+1] in "[]"):
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stack[-1][1] += char
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# filter out unused stacks, eg ["red", ""]
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result.append([(directive, body) for directive, body in stack if body])
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return result
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def apply_formatting(msg_obj, formatter):
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"""
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Receives a messages object from a thread and returns it with
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all the message bodies passed through FORMATTER.
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all the message bodies passed through FORMATTER. Not all
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formatting functions have to return a string. Refer to the
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documentation for each formatter.
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"""
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for x in range(len(msg_obj)):
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msg_obj[x]["body"] = formatter(msg_obj[x]["body"])
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for x, obj in enumerate(msg_obj):
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msg_obj[x]["body"] = formatter(obj["body"])
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return msg_obj
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