b-ryan.powerline-shell/powerline_shell/segments/bzr.py
Emanuel Angelo 2c0a5909ce Renames some RepoStats class qualifiers to more generic terms
untracked -> new
not_staged -> changed
2017-09-14 00:25:24 +01:00

73 lines
2.1 KiB
Python

import os
import subprocess
from ..utils import RepoStats, ThreadedSegment
def get_PATH():
"""Normally gets the PATH from the OS. This function exists to enable
easily mocking the PATH in tests.
"""
return os.getenv("PATH")
def bzr_subprocess_env():
return {"PATH": get_PATH()}
def _get_bzr_branch():
p = subprocess.Popen(['bzr', 'nick'],
stdout=subprocess.PIPE, stderr=subprocess.PIPE,
env=bzr_subprocess_env())
branch = p.communicate()[0].decode("utf-8").rstrip('\n')
return branch
def parse_bzr_stats(status):
stats = RepoStats()
statustype = "changed"
for statusline in status:
if statusline[:2] == " ":
setattr(stats, statustype, getattr(stats, statustype) + 1)
elif statusline == "added:":
statustype = "staged"
elif statusline == "unknown:":
statustype = "new"
else: # removed, missing, renamed, modified or kind changed
statustype = "changed"
return stats
def build_stats():
try:
p = subprocess.Popen(['bzr', 'status'],
stdout=subprocess.PIPE, stderr=subprocess.PIPE,
env=bzr_subprocess_env())
except OSError:
# Popen will throw an OSError if bzr is not found
return (None, None)
pdata = p.communicate()
if p.returncode != 0:
return (None, None)
status = pdata[0].decode("utf-8").splitlines()
stats = parse_bzr_stats(status)
branch = _get_bzr_branch()
return stats, branch
class Segment(ThreadedSegment):
def run(self):
self.stats, self.branch = build_stats()
def add_to_powerline(self):
self.join()
if not self.stats:
return
bg = self.powerline.theme.REPO_CLEAN_BG
fg = self.powerline.theme.REPO_CLEAN_FG
if self.stats.dirty:
bg = self.powerline.theme.REPO_DIRTY_BG
fg = self.powerline.theme.REPO_DIRTY_FG
self.powerline.append(" " + self.branch + " ", fg, bg)
self.stats.add_to_powerline(self.powerline)