lbry-sdk/lbrynet/lbrynet_gui/StreamFrame.py

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import Tkinter as tk
import sys
import tkFont
import ttk
import locale
import os
class StreamFrame(object):
def __init__(self, app, uri):
self.app = app
self.uri = uri
self.stream_hash = None
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self.cancel_func = None
self.stream_frame = ttk.Frame(self.app.streams_frame, style="B.TFrame")
self.stream_frame.pack(fill=tk.X, side=tk.BOTTOM, pady=(30, 0))
self.stream_frame_header = ttk.Frame(self.stream_frame, style="C.TFrame")
self.stream_frame_header.grid(sticky=tk.E + tk.W)
self.uri_font = tkFont.Font(size=8)
self.uri_label = ttk.Label(
self.stream_frame_header, text=self.uri, font=self.uri_font, foreground="#666666"
)
self.uri_label.grid(row=0, column=0, sticky=tk.W)
if os.name == "nt":
self.button_cursor = ""
else:
self.button_cursor = "hand1"
close_file_name = "close2.gif"
if os.name == "nt":
close_file = os.path.join(os.path.dirname(os.path.abspath(sys.argv[0])), close_file_name)
else:
close_file = os.path.join(os.path.dirname(__file__), close_file_name)
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self.close_picture = tk.PhotoImage(
file=close_file
)
self.close_button = ttk.Button(
self.stream_frame_header, command=self.cancel, style="Stop.TButton", cursor=self.button_cursor
)
self.close_button.config(image=self.close_picture)
self.close_button.grid(row=0, column=1, sticky=tk.E + tk.N)
self.stream_frame_header.grid_columnconfigure(0, weight=1)
self.stream_frame.grid_columnconfigure(0, weight=1)
self.stream_frame_body = ttk.Frame(self.stream_frame, style="C.TFrame")
self.stream_frame_body.grid(row=1, column=0, sticky=tk.E + tk.W)
self.name_frame = ttk.Frame(self.stream_frame_body, style="D.TFrame")
self.name_frame.grid(sticky=tk.W + tk.E)
self.name_frame.grid_columnconfigure(0, weight=16)
self.name_frame.grid_columnconfigure(1, weight=1)
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self.stream_frame_body.grid_columnconfigure(0, weight=1)
self.metadata_frame = ttk.Frame(self.stream_frame_body, style="D.TFrame")
self.metadata_frame.grid(sticky=tk.W + tk.E, row=1)
self.metadata_frame.grid_columnconfigure(0, weight=1)
self.options_frame = ttk.Frame(self.stream_frame_body, style="D.TFrame")
self.outer_button_frame = ttk.Frame(self.stream_frame_body, style="D.TFrame")
self.outer_button_frame.grid(sticky=tk.W + tk.E, row=4)
#show_options_picture_file_name = "show_options.gif"
#if os.name == "nt":
# show_options_picture_file = os.path.join(os.path.dirname(os.path.abspath(sys.argv[0])),
# "lbrynet", "lbrynet_downloader_gui",
# show_options_picture_file_name)
#else:
# show_options_picture_file = os.path.join(os.path.dirname(__file__),
# show_options_picture_file_name)
#self.show_options_picture = tk.PhotoImage(
# file=show_options_picture_file
#)
#hide_options_picture_file_name = "hide_options.gif"
#if os.name == "nt":
# hide_options_picture_file = os.path.join(os.path.dirname(os.path.abspath(sys.argv[0])),
# "lbrynet", "lbrynet_downloader_gui",
# hide_options_picture_file_name)
#else:
# hide_options_picture_file = os.path.join(os.path.dirname(__file__),
# hide_options_picture_file_name)
#self.hide_options_picture = tk.PhotoImage(
# file=hide_options_picture_file
#)
#self.show_options_button = None
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self.status_label = None
#self.name_label = None
self.name_text = None
self.estimated_cost_frame = None
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self.bytes_downloaded_label = None
self.button_frame = None
self.download_buttons = []
self.option_frames = []
self.name_font = None
self.description_text = None
#self.description_label = None
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self.file_name_frame = None
self.cost_frame = None
self.cost_description = None
self.remaining_cost_description = None
self.cost_label = None
self.remaining_cost_label = None
self.progress_frame = None
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def cancel(self):
if self.cancel_func is not None:
self.cancel_func()
self.stream_frame.destroy()
self.app.stream_removed()
def _resize_text(self, text_widget):
actual_height = text_widget.tk.call(text_widget._w, "count", "-displaylines", "0.0", "end")
text_widget.config(height=int(actual_height))
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def show_name(self, name):
self.name_font = tkFont.Font(size=16)
#self.name_label = ttk.Label(
# self.name_frame, text=name, font=self.name_font
#)
#self.name_label.grid(row=0, column=0, sticky=tk.W)
self.name_text = tk.Text(
self.name_frame, font=self.name_font, wrap=tk.WORD, relief=tk.FLAT, borderwidth=0,
highlightthickness=0, width=1, height=1
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)
self.name_text.insert(tk.INSERT, name)
self.name_text.config(state=tk.DISABLED)
self.name_text.grid(row=0, column=0, sticky=tk.W+tk.E+tk.N+tk.S)
self.name_text.update()
self._resize_text(self.name_text)
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def show_description(self, description):
#if os.name == "nt":
# wraplength = 580
#else:
# wraplength = 600
#self.description_label = ttk.Label(
# self.name_frame, text=description, wraplength=wraplength
#)
#self.description_label.grid(row=1, column=0, sticky=tk.W)
self.description_text = tk.Text(
self.name_frame, wrap=tk.WORD, relief=tk.FLAT, borderwidth=0,
highlightthickness=0, width=1, height=1
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)
self.description_text.insert(tk.INSERT, description)
self.description_text.config(state=tk.DISABLED)
self.description_text.grid(row=1, column=0, sticky=tk.W+tk.E+tk.N+tk.S)
self.description_text.update()
self._resize_text(self.description_text)
def show_thumbnail(self, url=None):
thumbnail = None
if url is not None:
import urllib2
import base64
response = urllib2.urlopen(url)
thumbnail_data = base64.b64encode(response.read())
thumbnail = tk.PhotoImage(data=thumbnail_data)
current_width = thumbnail.width()
current_height = thumbnail.height()
max_width = 130
max_height = 90
scale_ratio = max(1.0 * current_width / max_width, 1.0 * current_height / max_height)
if scale_ratio < 1:
scale_ratio = 1
else:
scale_ratio = int(scale_ratio + 1)
thumbnail = thumbnail.subsample(scale_ratio)
if thumbnail is not None:
label = ttk.Label(self.name_frame, image=thumbnail)
label.safekeeping = thumbnail
label.grid(row=0, column=1, rowspan=2, sticky=tk.E+tk.N+tk.W+tk.S)
label.update()
self.description_text.update()
self.name_text.update()
self._resize_text(self.description_text)
self._resize_text(self.name_text)
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def show_metadata_status(self, value):
if self.status_label is None:
self.status_label = ttk.Label(
self.metadata_frame, text=value
)
self.status_label.grid()
self.metadata_frame.grid_columnconfigure(0, weight=1)
else:
self.status_label.config(text=value)
@staticmethod
def get_formatted_stream_size(stream_size):
if isinstance(stream_size, (int, long)):
if stream_size >= 2**40:
units = "TB"
factor = 2**40
elif stream_size >= 2**30:
units = "GB"
factor = 2**30
elif stream_size >= 2**20:
units = "MB"
factor = 2**20
elif stream_size >= 2**10:
units = "KB"
factor = 2**10
else:
return str(stream_size) + " B"
return "%.1f %s" % (round((stream_size * 1.0 / factor), 1), units)
return stream_size
def show_stream_metadata(self, stream_name, stream_size, stream_cost):
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if self.status_label is not None:
self.status_label.destroy()
self.file_name_frame = ttk.Frame(self.metadata_frame, style="F.TFrame")
self.file_name_frame.grid(row=0, column=0, sticky=tk.W)
self.metadata_frame.grid_columnconfigure(0, weight=1, uniform="metadata")
file_size_label = ttk.Label(
self.file_name_frame,
text=self.get_formatted_stream_size(stream_size)
)
file_size_label.grid(row=0, column=2)
file_name_label = ttk.Label(
self.file_name_frame,
text=" - " + stream_name,
)
file_name_label.grid(row=0, column=3)
self.estimated_cost_frame = ttk.Frame(self.metadata_frame, style="F.TFrame")
self.estimated_cost_frame.grid(row=1, column=0, sticky=tk.W)
estimated_cost_label = ttk.Label(
self.estimated_cost_frame,
text=locale.format_string("%.2f LBC",
(round(stream_cost, 2)), grouping=True),
foreground="red"
)
estimated_cost_label.grid(row=1, column=2)
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self.button_frame = ttk.Frame(self.outer_button_frame, style="E.TFrame")
self.button_frame.grid(row=0, column=1)
self.outer_button_frame.grid_columnconfigure(0, weight=1, uniform="buttons")
self.outer_button_frame.grid_columnconfigure(1, weight=2, uniform="buttons1")
self.outer_button_frame.grid_columnconfigure(2, weight=1, uniform="buttons")
def add_download_factory(self, factory, download_func):
download_button = ttk.Button(
self.button_frame, text=factory.get_description(), command=download_func,
style='LBRY.TButton', cursor=self.button_cursor
)
self.download_buttons.append(download_button)
download_button.grid(row=0, column=len(self.download_buttons) - 1, padx=5, pady=(1, 2))
def disable_download_buttons(self):
for download_button in self.download_buttons:
download_button.config(state=tk.DISABLED)
def remove_download_buttons(self):
for download_button in self.download_buttons:
download_button.destroy()
self.download_buttons = []
def get_option_widget(self, option_type, option_frame):
if option_type.value == float:
entry_frame = ttk.Frame(
option_frame,
style="H.TFrame"
)
entry_frame.grid()
col = 0
if option_type.short_description is not None:
entry_label = ttk.Label(
entry_frame,
#text=option_type.short_description
text=""
)
entry_label.grid(row=0, column=0, sticky=tk.W)
col = 1
entry = ttk.Entry(
entry_frame,
width=10,
style="Float.TEntry"
)
entry_frame.entry = entry
entry.grid(row=0, column=col, sticky=tk.W)
return entry_frame
if option_type.value == bool:
bool_frame = ttk.Frame(
option_frame,
style="H.TFrame"
)
bool_frame.chosen_value = tk.BooleanVar()
true_text = "True"
false_text = "False"
if option_type.bool_options_description is not None:
true_text, false_text = option_type.bool_options_description
true_radio_button = ttk.Radiobutton(
bool_frame, text=true_text, variable=bool_frame.chosen_value, value=True
)
true_radio_button.grid(row=0, sticky=tk.W)
false_radio_button = ttk.Radiobutton(
bool_frame, text=false_text, variable=bool_frame.chosen_value, value=False
)
false_radio_button.grid(row=1, sticky=tk.W)
return bool_frame
label = ttk.Label(
option_frame,
text=""
)
return label
def show_download_options(self, options):
left_padding = 20
for option in options:
f = ttk.Frame(
self.options_frame,
style="E.TFrame"
)
f.grid(sticky=tk.W + tk.E, padx=left_padding)
self.option_frames.append((option, f))
description_label = ttk.Label(
f,
text=option.long_description
)
description_label.grid(row=0, sticky=tk.W)
if len(option.option_types) > 1:
f.chosen_type = tk.IntVar()
choices_frame = ttk.Frame(
f,
style="F.TFrame"
)
f.choices_frame = choices_frame
choices_frame.grid(row=1, sticky=tk.W, padx=left_padding)
choices_frame.choices = []
for i, option_type in enumerate(option.option_types):
choice_frame = ttk.Frame(
choices_frame,
style="G.TFrame"
)
choice_frame.grid(sticky=tk.W)
option_text = ""
if option_type.short_description is not None:
option_text = option_type.short_description
option_radio_button = ttk.Radiobutton(
choice_frame, text=option_text, variable=f.chosen_type, value=i
)
option_radio_button.grid(row=0, column=0, sticky=tk.W)
option_widget = self.get_option_widget(option_type, choice_frame)
option_widget.grid(row=0, column=1, sticky=tk.W)
choices_frame.choices.append(option_widget)
if i == 0:
option_radio_button.invoke()
else:
choice_frame = ttk.Frame(
f,
style="F.TFrame"
)
choice_frame.grid(sticky=tk.W, padx=left_padding)
option_widget = self.get_option_widget(option.option_types[0], choice_frame)
option_widget.grid(row=0, column=0, sticky=tk.W)
f.option_widget = option_widget
#self.show_options_button = ttk.Button(
# self.stream_frame_body, command=self._toggle_show_options, style="Stop.TButton",
# cursor=self.button_cursor
#)
#self.show_options_button.config(image=self.show_options_picture)
#self.show_options_button.grid(sticky=tk.W, row=2, column=0)
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def _get_chosen_option(self, option_type, option_widget):
if option_type.value == float:
return float(option_widget.entry.get())
if option_type.value == bool:
return option_widget.chosen_value.get()
return option_type.value
def get_chosen_options(self):
chosen_options = []
for o, f in self.option_frames:
if len(o.option_types) > 1:
chosen_index = f.chosen_type.get()
option_type = o.option_types[chosen_index]
option_widget = f.choices_frame.choices[chosen_index]
chosen_options.append(self._get_chosen_option(option_type, option_widget))
else:
option_type = o.option_types[0]
option_widget = f.option_widget
chosen_options.append(self._get_chosen_option(option_type, option_widget))
return chosen_options
#def _toggle_show_options(self):
# if self.options_frame.winfo_ismapped():
# self.show_options_button.config(image=self.show_options_picture)
# self.options_frame.grid_forget()
# else:
# self.show_options_button.config(image=self.hide_options_picture)
# self.options_frame.grid(sticky=tk.W + tk.E, row=3)
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def show_progress(self, total_bytes, bytes_left_to_download, points_paid,
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points_remaining):
if self.bytes_downloaded_label is None:
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self.remove_download_buttons()
self.button_frame.destroy()
self.estimated_cost_frame.destroy()
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for option, frame in self.option_frames:
frame.destroy()
self.options_frame.destroy()
#self.show_options_button.destroy()
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self.progress_frame = ttk.Frame(self.outer_button_frame, style="F.TFrame")
self.progress_frame.grid(row=0, column=0, sticky=tk.W, pady=(0, 8))
self.bytes_downloaded_label = ttk.Label(
self.progress_frame,
text=""
)
self.bytes_downloaded_label.grid(row=0, column=0)
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self.cost_frame = ttk.Frame(self.outer_button_frame, style="F.TFrame")
self.cost_frame.grid(row=1, column=0, sticky=tk.W, pady=(0, 4))
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self.cost_label = ttk.Label(
self.cost_frame,
text="",
foreground="red"
)
self.cost_label.grid(row=0, column=1, padx=(1, 0))
self.outer_button_frame.grid_columnconfigure(2, weight=0, uniform="")
if self.bytes_downloaded_label.winfo_exists():
percent_done = 0
if total_bytes > 0:
percent_done = 100.0 * (total_bytes - bytes_left_to_download) / total_bytes
percent_done_string = locale.format_string(" (%.2f%%)", percent_done)
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self.bytes_downloaded_label.config(
text=self.get_formatted_stream_size(total_bytes - bytes_left_to_download) + percent_done_string
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)
if self.cost_label.winfo_exists():
total_points = points_remaining + points_paid
self.cost_label.config(text=locale.format_string("%.2f/%.2f LBC",
(round(points_paid, 2), round(total_points, 2)),
grouping=True))
def show_download_done(self, total_points_paid):
if self.bytes_downloaded_label is not None and self.bytes_downloaded_label.winfo_exists():
self.bytes_downloaded_label.destroy()
if self.cost_label is not None and self.cost_label.winfo_exists():
self.cost_label.config(text=locale.format_string("%.2f LBC",
(round(total_points_paid, 2),),
grouping=True))