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from bzrlib import errors
from bzrlib.branch import Branch
from bzrlib.config import extract_email_address
from bzrtools import short_committer
def branch_history(branch):
"""Print history of a branch"""
b = Branch.open_containing(branch)[0]
descriptor = None
start = None
b.repository.lock_read()
try:
for revno, revision in iter_revisiondata(b):
new_descriptor = (revision.committer,
revision.properties.get('branch-nick'))
if descriptor is None:
descriptor = new_descriptor
if start is None:
start = revno
if branch_change(descriptor, new_descriptor):
print_info(descriptor, start, revno - 1)
start = revno
descriptor = new_descriptor
print_info(descriptor, start, revno)
finally:
b.repository.unlock()
def branch_change(old_descriptor, new_descriptor):
try:
old_email = extract_email_address(old_descriptor[0])
except errors.NoEmailInUsername:
old_email = None
try:
new_email = extract_email_address(new_descriptor[0])
except errors.NoEmailInUsername:
new_email = None
if old_descriptor == new_descriptor:
return False
elif None not in (old_descriptor[1], new_descriptor[1]) and \
old_descriptor[1] != new_descriptor[1]:
return True
elif short_committer(old_descriptor[0]) ==\
short_committer(new_descriptor[0]):
return False
elif old_descriptor[0].strip(' ') == new_email:
return False
elif new_descriptor[0].strip(' ') == old_email:
return False
else:
return True
def iter_revisiondata(branch):
"""Iterate through revno, Revision pairs in the revision history"""
for no, revision_id in enumerate(branch.revision_history()):
yield no+1, branch.repository.get_revision(revision_id)
def print_info(descriptor, start, end):
"""Print revision history"""
descriptor_string = descriptor[0]
if descriptor[1] is not None:
descriptor_string += " / "+ descriptor[1]
print descriptor_string
if start != end:
print " %d .. %d" % (start, end)
else:
print " %d" % start
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