taskwarrior-deluxe/twf.py

286 lines
8.5 KiB
Python

import os
import sys
import json
import argparse
import subprocess
import rich
# For some reason this is not imported by the command above.
from rich.console import Console
from rich.columns import Columns
# class make:
# def carder(card, **kwargs):
# def f(task):
# return card(task, **kwargs)
# return f
# def stacker(stack, **kwargs):
# def f(tasks):
# return stack(tasks, **kwargs)
# return f
# def sectioner(section, **kwargs):
# def f(tasks, field, values):
# return section(tasks, field, values, **kwargs)
# return f
class Widget:
def __init__(self, order, group = None):
self.order = order
self.group = group
class Tasker(Widget):
def __init__(self, show_only, order, group = None):
super().__init__(order, group)
self.show_only = show_only
def __call__(self, task):
raise NotImplementedError
class Stacker(Widget):
def __init__(self, tasker, order, group):
super().__init__(order, group)
self.tasker = tasker
def __call__(self, tasks):
raise NotImplementedError
class Sectioner(Widget):
def __init__(self, stacker, order, group):
super().__init__(order, group)
self.stacker = stacker
def __call__(self, tasks):
raise NotImplementedError
class Card(Tasker):
def __init__(self, show_only, order = None):
super().__init__(show_only, order, group = None)
def __call__(self, task):
if not self.show_only:
# Show all existing fields.
self.show_only = task.keys()
sid = str(task["id"])
if ':' in task["description"]:
short, desc = task["description"].split(":")
title = ":".join([sid,short.strip()])
else:
desc = task["description"]
title = sid
segments = []
for key in self.show_only:
if key in task.keys() and key not in ["id", "description"]:
val = task[key]
segment = f"{key}: "
if type(val) == str:
segments.append(segment+t)
elif type(val) == list:
g = Columns([f"+{t}" for t in val])
segments.append(g)
else:
segments.append(segment+str(val))
cols = Columns(segments)
grp = rich.console.Group(desc.strip(), cols)
panel = rich.panel.Panel(grp, title = title,
title_align="left", expand = False, padding = (0,1))
return panel
class VerticalStack(Stacker):
def __init__(self, tasker):
super().__init__(tasker, order = None, group = None)
def __call__(self, tasks):
stack = rich.table.Table()
stack.add_column("Tasks")
for task in tasks:
stack.add_row( self.tasker(task) )
return stack
class VerticalSections(Sectioner):
def __init__(self, stacker, order, group):
super().__init__(stacker, order, group)
def __call__(self, tasks):
sections = []
groups = self.group(tasks)
for val in self.order():
if val in groups:
sections.append( rich.panel.Panel(self.stacker(groups[val]), title = val) )
return rich.console.Group(*sections)
class SectionSorter:
def __call__(self):
raise NotImplementedError
class OnValues(SectionSorter):
def __init__(self, values):
self.values = values
def __call__(self):
return self.values
class Grouper:
"""Group tasks by field values."""
def __init__(self, field):
self.field = field
def __call__(self, tasks):
groups = {}
for task in tasks:
if self.field in task:
if task[self.field] in groups:
groups[ task[self.field] ].append(task)
else:
groups[ task[self.field] ] = [task]
return groups
class TasksSorter:
def make(self, tasks, field, reverse = False):
return sorted(tasks, key = lambda t: t[field], reverse = reverse)
# class layout:
# def __init__(self, carder, stacker, sectioner)
# self.carder = carder
# self.stacker = stacker
# self.sectioner = sectioner
# def __call__(self, sec_group, sec_sort, sub_group, sub_sort):
# self.section(self.stack(),
# def group_by(tasks, field):
# """Group tasks by field values."""
# groups = {}
# for task in tasks:
# if field in task:
# if task[field] in groups:
# groups[ task[field] ].append(task)
# else:
# groups[ task[field] ] = [task]
# return groups
# def sort_by(tasks, field = "urgency", reverse = False):
# return sorted(tasks, key = lambda t: t[field], reverse = reverse)
##### Widgets #####
# class packed:
# def card(task, in_widget = None, show_only = None):
# """Widget being a single task."""
# if not show_only:
# # Show all existing fields.
# show_only = task.keys()
# sid = str(task["id"])
# if ':' in task["description"]:
# short, desc = task["description"].split(":")
# title = ":".join([sid,short.strip()])
# else:
# desc = task["description"]
# title = sid
# segments = []
# for key in show_only:
# if key in task.keys() and key not in ["id", "description"]:
# val = task[key]
# segment = f"{key}: "
# if type(val) == str:
# segments.append(segment+t)
# elif type(val) == list:
# g = Columns([f"+{t}" for t in val])
# segments.append(g)
# else:
# segments.append(segment+str(val))
# cols = Columns(segments)
# grp = rich.console.Group(desc.strip(), cols)
# panel = rich.panel.Panel(grp, title = title,
# title_align="left", expand = False, padding = (0,1))
# return panel
# def stack(tasks, in_widget = None, show_only = None):
# """Widget being a stack of tasks widgets."""
# stack = rich.table.Table()
# stack.add_column("Tasks")
# for task in tasks:
# stack.add_row( card(task, in_widget, show_only) )
# return stack
# def sections(tasks, field, values, in_widget = None, show_only = None):
# """Widget being a panel of stack widgets."""
# sections = []
# groups = group_by(tasks, field)
# for val in values:
# if val in groups:
# sections.append( rich.panel.Panel(stack(groups[val], in_widget, show_only), title = val) )
# return rich.console.Group(*sections)
if __name__ == "__main__":
parser = argparse.ArgumentParser(
description="XXX",
formatter_class=argparse.ArgumentDefaultsHelpFormatter,
)
main = parser.add_argument_group('Main')
main.add_argument("-s", "--show", metavar="columns", type=str, default="id,urgency,description,tags", nargs=1,
help="Ordered list of columns to show.")
config = parser.add_argument_group('Config')
config.add_argument("-d", "--data", metavar="FILE", type=str, default=".task", nargs=1,
help="The input data file.")
config.add_argument("--list-separator", metavar="CHARACTER", type=str, default=",", nargs=1,
help="Separator used for lists that are passed as options arguments.")
asked = parser.parse_args()
env = os.environ.copy()
env["TASKDATA"] = asked.data
cmd = ['task', 'export']
showed = asked.show.split(asked.list_separator)
if not showed:
show_only = None
else:
show_only = showed
try:
p = subprocess.Popen( " ".join(cmd),
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
shell=True,
env=env,
)
out, err = p.communicate()
except subprocess.CalledProcessError as exc:
print("ERROR:", exc.returncode, exc.output, err)
sys.exit(exc.returncode)
else:
jdata = json.loads(out)
print(json.dumps(jdata, indent=4))
tasker = Card(show_only)
stacker = VerticalStack(tasker)
group_by_status = Grouper("status")
sort_on_values = OnValues(["pending","completed"])
sectioner = VerticalSections(stacker, sort_on_values, group_by_status)
console = Console()
console.rule("taskwarrior-fancy")
console.print(sectioner(jdata))