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test-light.py    401 lines (366 with data), 14.0 kB

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import sys
import logging
from collections import defaultdict
from itertools import chain, izip
from datetime import datetime
from cPickle import dumps
import bson
from pylons import c
from pymongo.errors import DuplicateKeyError
from ming.base import Object
from allura.lib import helpers as h
from allura.lib import utils
from allura.model.repo import CommitDoc, TreeDoc, TreesDoc, DiffInfoDoc
from allura.model.repo import LastCommitDoc, CommitRunDoc
from allura.model.repo import Commit
from allura.model.index import ArtifactReferenceDoc, ShortlinkDoc
log = logging.getLogger(__name__)
QSIZE=100
def main():
if len(sys.argv) > 1:
h.set_context('test')
c.project.install_app('Git', 'code', 'Code', init_from_url='/home/rick446/src/forge')
h.set_context('test', 'code')
CommitDoc.m.remove({})
TreeDoc.m.remove({})
TreesDoc.m.remove({})
DiffInfoDoc.m.remove({})
LastCommitDoc.m.remove({})
CommitRunDoc.m.remove({})
# Get all commits (repo-specific)
all_commit_ids = list(c.app.repo.all_commit_ids())
# Skip commits that are already in the DB (repo-agnostic)
commit_ids = unknown_commit_ids(all_commit_ids)
# commit_ids = commit_ids[:500]
log.info('Refreshing %d commits', len(commit_ids))
# Refresh commits (repo-specific)
seen = set()
for i, oid in enumerate(commit_ids):
c.app.repo.refresh_commit_info(oid, seen)
if (i+1) % 100 == 0:
log.info('Refresh commit info %d: %s', (i+1), oid)
#############################################
# Everything below here is repo-agnostic
#############################################
refresh_repo(commit_ids, c.app.repo)
# Refresh child references
seen = set()
parents = set()
for i, oid in enumerate(commit_ids):
ci = CommitDoc.m.find(dict(_id=oid), validate=False).next()
refresh_children(ci)
seen.add(ci._id)
parents.update(ci.parent_ids)
if (i+1) % 100 == 0:
log.info('Refresh child (a) info %d: %s', (i+1), ci._id)
for j, oid in enumerate(parents-seen):
try:
ci = CommitDoc.m.find(dict(_id=oid), validate=False).next()
except StopIteration:
continue
refresh_children(ci)
if (i + j + 1) % 100 == 0:
log.info('Refresh child (b) info %d: %s', (i + j + 1), ci._id)
# Refresh commit runs
rb = CommitRunBuilder(commit_ids)
rb.run()
rb.cleanup()
# Refresh trees
cache = {}
for i, oid in enumerate(commit_ids):
ci = CommitDoc.m.find(dict(_id=oid), validate=False).next()
cache = refresh_commit_trees(ci, cache)
if (i+1) % 100 == 0:
log.info('Refresh commit trees %d: %s', (i+1), ci._id)
# Compute diffs
cache = {}
for i, oid in enumerate(commit_ids):
ci = CommitDoc.m.find(dict(_id=oid), validate=False).next()
compute_diffs(c.app.repo._id, cache, ci)
if (i+1) % 100 == 0:
log.info('Compute diffs %d: %s', (i+1), ci._id)
def refresh_commit_trees(ci, cache):
trees_doc = TreesDoc(dict(
_id=ci._id,
tree_ids = list(trees(ci.tree_id, cache))))
trees_doc.m.save(safe=False)
new_cache = dict(
(oid, cache[oid])
for oid in trees_doc.tree_ids)
return new_cache
def refresh_commit_info(ci, seen):
if CommitDoc.m.find(dict(_id=ci.hexsha)).count() != 0:
return False
try:
ci_doc = CommitDoc(dict(
_id=ci.hexsha,
tree_id=ci.tree.hexsha,
committed = Object(
name=h.really_unicode(ci.committer.name),
email=h.really_unicode(ci.committer.email),
date=datetime.utcfromtimestamp(
ci.committed_date-ci.committer_tz_offset)),
authored = Object(
name=h.really_unicode(ci.author.name),
email=h.really_unicode(ci.author.email),
date=datetime.utcfromtimestamp(
ci.authored_date-ci.author_tz_offset)),
message=h.really_unicode(ci.message or ''),
child_ids=[],
parent_ids = [ p.hexsha for p in ci.parents ]))
ci_doc.m.insert(safe=True)
except DuplicateKeyError:
return False
refresh_tree(ci.tree, seen)
return True
def refresh_repo(commit_ids, repo):
for oids in utils.chunked_iter(commit_ids, QSIZE):
oids = list(oids)
# Create shortlinks and artifactrefs
for oid in oids:
index_id = 'allura.model.repo.Commit#' + oid
ref = ArtifactReferenceDoc(dict(
_id=index_id,
artifact_reference=dict(
cls=dumps(Commit),
project_id=repo.app.config.project_id,
app_config_id=repo.app.config._id,
artifact_id=oid),
references=[]))
link = ShortlinkDoc(dict(
_id=bson.ObjectId(),
ref_id=index_id,
project_id=repo.app.config.project_id,
app_config_id=repo.app.config._id,
link=repo.shorthand_for_commit(oid),
url=repo.url() + 'ci/' + oid + '/'))
ref.m.save(safe=False, validate=False)
link.m.save(safe=False, validate=False)
CommitDoc.m.update_partial(
dict(
_id={'$in': oids},
repo_ids={'$ne': repo._id}),
{'$addToSet': dict(repo_ids=repo._id)},
multi=True)
def refresh_children(ci):
CommitDoc.m.update_partial(
dict(_id={'$in': ci.parent_ids}),
{'$addToSet': dict(child_ids=ci._id)},
multi=True)
class CommitRunBuilder(object):
def __init__(self, commit_ids):
self.commit_ids = commit_ids
self.run_index = {} # by commit ID
self.runs = {} # by run ID
self.reasons = {} # reasons to stop merging runs
def run(self):
for oids in utils.chunked_iter(self.commit_ids, QSIZE):
oids = list(oids)
commits = list(CommitDoc.m.find(dict(_id={'$in':oids})))
for ci in commits:
if ci._id in self.run_index: continue
self.run_index[ci._id] = ci._id
self.runs[ci._id] = CommitRunDoc(dict(
_id=ci._id,
parent_commit_ids=ci.parent_ids,
commit_ids=[ci._id],
commit_times=[ci.authored.date]))
self.merge_runs()
log.info('%d runs', len(self.runs))
for rid, run in sorted(self.runs.items()):
log.info('%32s: %r', self.reasons.get(rid, 'none'), run._id)
for run in self.runs.itervalues():
run.m.save()
return self.runs
def _all_runs(self):
runs = {}
for oids in utils.chunked_iter(self.commit_ids, QSIZE):
oids = list(oids)
for run in CommitRunDoc.m.find(dict(commit_ids={'$in': oids})):
runs[run._id] = run
seen_run_ids = set()
runs = runs.values()
while runs:
run = runs.pop()
if run._id in seen_run_ids: continue
seen_run_ids.add(run._id)
yield run
for run in CommitRunDoc.m.find(
dict(commit_ids={'$in':run.parent_commit_ids})):
runs.append(run)
def cleanup(self):
'''Delete non-maximal runs'''
for run1 in self._all_runs():
for run2 in CommitRunDoc.m.find(dict(
commit_ids=run1.commit_ids[0])):
if run1._id == run2._id: continue
log.info('... delete %r (part of %r)', run2, run1)
run2.m.delete()
def merge_runs(self):
while True:
for run_id, run in self.runs.iteritems():
if len(run.parent_commit_ids) != 1:
self.reasons[run_id] = '%d parents' % len(run.parent_commit_ids)
continue
p_oid = run.parent_commit_ids[0]
p_run_id = self.run_index.get(p_oid)
if p_run_id is None:
self.reasons[run_id] = 'parent commit not found'
continue
p_run = self.runs.get(p_run_id)
if p_run is None:
self.reasons[run_id] = 'parent run not found'
continue
if p_run.commit_ids[0] != p_oid:
self.reasons[run_id] = 'parent does not start with parent commit'
continue
run.commit_ids += p_run.commit_ids
run.commit_times += p_run.commit_times
run.parent_commit_ids = p_run.parent_commit_ids
for oid in p_run.commit_ids:
self.run_index[oid] = run_id
break
else:
break
del self.runs[p_run_id]
def refresh_tree(t, seen):
if t.binsha in seen: return
seen.add(t.binsha)
doc = TreeDoc(dict(
_id=t.hexsha,
tree_ids=[],
blob_ids=[],
other_ids=[]))
for o in t:
obj = Object(
name=h.really_unicode(o.name),
id=o.hexsha)
if o.type == 'tree':
refresh_tree(o, seen)
doc.tree_ids.append(obj)
elif o.type == 'blob':
doc.blob_ids.append(obj)
else:
obj.type = o.type
doc.other_ids.append(obj)
doc.m.save(safe=False)
def trees(id, cache):
yield id
entries = cache.get(id, None)
if entries is None:
t = TreeDoc.m.get(_id=id)
entries = [ o.id for o in t.tree_ids ]
cache[id] = entries
for i in entries:
for x in trees(i, cache):
yield x
def unknown_commit_ids(all_commit_ids):
result = []
for chunk in utils.chunked_iter(all_commit_ids, QSIZE):
q = CommitDoc.m.find(_id={'$in':chunk})
known_commit_ids = set(ci._id for ci in q)
result += [ oid for oid in chunk if oid not in known_commit_ids ]
return result
def compute_diffs(repo_id, tree_cache, rhs_ci):
def _walk_tree(tree, tree_index):
for x in tree.blob_ids: yield x.id
for x in tree.other_ids: yield x.id
for x in tree.tree_ids:
yield x.id
for xx in _walk_tree(tree_index[x.id], tree_index):
yield xx
rhs_tree_ids = TreesDoc.m.get(_id=rhs_ci._id).tree_ids
if rhs_ci.parent_ids:
lhs_ci = CommitDoc.m.get(_id=rhs_ci.parent_ids[0])
else:
lhs_ci = None
if lhs_ci is not None:
lhs_tree_ids = TreesDoc.m.get(_id=lhs_ci._id).tree_ids
else:
lhs_tree_ids = []
new_tree_ids = [
tid for tid in chain(lhs_tree_ids, rhs_tree_ids)
if tid not in tree_cache ]
tree_index = dict(
(t._id, t) for t in TreeDoc.m.find(dict(_id={'$in': new_tree_ids}),validate=False))
tree_index.update(tree_cache)
rhs_tree_ids_set = set(rhs_tree_ids)
tree_cache.clear()
tree_cache.update(
(id, t) for id,t in tree_index.iteritems() if id in rhs_tree_ids_set)
rhs_tree = tree_index[rhs_ci.tree_id]
if lhs_ci is None:
lhs_tree = Object(_id=None, tree_ids=[], blob_ids=[], other_ids=[])
else:
lhs_tree = tree_index[lhs_ci.tree_id]
differences = []
for name, lhs_id, rhs_id in _diff_trees(lhs_tree, rhs_tree, tree_index):
differences.append(
dict(name=name, lhs_id=lhs_id, rhs_id=rhs_id))
# Set last commit info
if rhs_id is not None:
_set_last_commit(repo_id, rhs_id, rhs_ci)
rhs_tree = tree_index.get(rhs_id, None)
if rhs_tree is not None:
for oid in _walk_tree(rhs_tree, tree_index):
_set_last_commit(repo_id, oid, rhs_ci)
di = DiffInfoDoc(dict(
_id=rhs_ci._id,
differences=differences))
di.m.save()
return tree_cache
def _diff_trees(lhs, rhs, index, *path):
def _fq(name):
return '/'.join(reversed(
(name,) + path))
# Diff the trees
rhs_tree_ids = dict(
(o.name, o.id)
for o in rhs.tree_ids)
for o in lhs.tree_ids:
rhs_id = rhs_tree_ids.pop(o.name, None)
if rhs_id == o.id:
continue # no change
elif rhs_id is None:
yield (_fq(o.name), o.id, None)
else:
for difference in _diff_trees(
index[o.id], index[rhs_id], index,
o.name, *path):
yield difference
for name, id in rhs_tree_ids.items():
yield (_fq(name), None, id)
# DIff the blobs
rhs_blob_ids = dict(
(o.name, o.id)
for o in rhs.blob_ids)
for o in lhs.blob_ids:
rhs_id = rhs_blob_ids.pop(o.name, None)
if rhs_id == o.id:
continue # no change
elif rhs_id is None:
yield (_fq(o.name), o.id, None)
else:
yield (_fq(o.name), o.id, rhs_id)
for name, id in rhs_blob_ids.items():
yield (_fq(name), None, id)
def _set_last_commit(repo_id, oid, commit):
lc = LastCommitDoc(dict(
_id='%s:%s' % (repo_id, oid),
repo_id=repo_id,
object_id=oid,
commit_info=dict(
id=commit._id,
author=commit.authored.name,
author_email=commit.authored.email,
date=commit.authored.date,
# author_url=commit.author_url,
# href=commit.url(),
# shortlink=commit.shorthand_id(),
# summary=commit.summary
)))
lc.m.save(safe=False)
return lc
if __name__ == '__main__':
main()
# dolog()