dotfiles/config/powerline-shell/segments/bzr.py

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2021-04-20 11:12:35 +00:00
import subprocess
from ..utils import RepoStats, ThreadedSegment, get_subprocess_env
def _get_bzr_branch():
p = subprocess.Popen(['bzr', 'nick'],
stdout=subprocess.PIPE, stderr=subprocess.PIPE,
env=get_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 _get_bzr_status(output):
"""This function exists to enable mocking the `bzr status` output in tests.
"""
return output[0].decode("utf-8").splitlines()
def build_stats():
try:
p = subprocess.Popen(['bzr', 'status'],
stdout=subprocess.PIPE, stderr=subprocess.PIPE,
env=get_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 = _get_bzr_status(pdata)
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
if self.powerline.segment_conf("vcs", "show_symbol"):
symbol = RepoStats().symbols["bzr"] + " "
else:
symbol = ""
self.powerline.append(" " + symbol + self.branch + " ", fg, bg)
self.stats.add_to_powerline(self.powerline)