class Changeset(object):
def __init__(self, id, api='https://api.openstreetmap.org'):
self.id = id
logger.debug('Using api={}'.format(api))
if api:
self.osmapi = OsmApi(api=api)
else:
self.osmapi = None
self.meta = None
self.changes = None
# History for modified/deleted elements, inner dicts indexed by object id
self.history_one_version_back = True
self.hist = {'node': {}, 'way':{}, 'relation':{}}
# Summary of elemets, created, modified, deleted. '_' versions are summarized across all object types
self.summary = {'create' : { 'node': 0, 'way':0, 'relation':0, 'relation_tags':{}},
'modify' : { 'node': 0, 'way':0, 'relation':0, 'relation_tags':{}},
'delete' : { 'node': 0, 'way':0, 'relation':0, 'relation_tags':{}},
'_create':0, '_modify':0, '_delete':0}
# Tag changes
self.tagdiff = self.getEmptyDiffDict()
# Tags unchanged, i.e. mostly ID if object geometrically changed
self.tags = {}
# Textual diff description
self.diffs = {}
# Simple (no tags) nodes
self.simple_nodes = {'create':0, 'modify':0, 'delete':0}
self.other_users = None
self.mileage = None
self.apidebug = False
self.datadebug = False
@staticmethod
def get_timestamp(meta, typeof=None, include_discussion=False):
if include_discussion and 'comments_count' in meta and int(meta['comments_count'])>0:
typeof = 'comment'
cset_ts = reduce(lambda c1,c2: c1 if c1['date']>c2['date'] else c2, meta['discussion'])['date']
else:
if not typeof:
if 'closed_at' in meta.keys():
typeof = 'closed_at'
else:
typeof = 'created_at'
cset_ts = meta[typeof]
if type(cset_ts) is datetime.datetime:
# Some osmapi's pass datetime's here without tz instead of a unicode string?
timestamp = cset_ts.replace(tzinfo=pytz.utc)
else:
timestamp = diff.OsmDiffApi.timetxt2datetime(cset_ts)
return (typeof, timestamp)
def printSummary(self):
s = self.summary
print '{} elements created: Nodes: {}, ways:{} Relations:{}'.format(s['_create'], s['create']['node'], s['create']['way'], s['create']['relation'])
print '{} elements modified: Nodes: {}, ways:{} Relations:{}'.format(s['_modify'], s['modify']['node'], s['modify']['way'], s['modify']['relation'])
print '{} elements deleted: Nodes: {}, ways:{} Relations:{}'.format(s['_delete'], s['delete']['node'], s['delete']['way'], s['delete']['relation'])
print 'Simple nodes: {}'.format(pprint.pformat(self.simple_nodes))
if (self.tagdiff['create'] or self.tagdiff['modify'] or self.tagdiff['delete']):
print 'Tag change stats: {}'.format(pprint.pformat(self.tagdiff))
else:
print 'No tags changed'
if self.other_users:
print 'Modifies objects previously edited by: {}'.format(pprint.pformat(self.other_users))
if self.mileage:
print 'Mileage (ways): {} meters'.format(int(self.mileage['_all_create']-self.mileage['_all_delete']))
print 'Mileage (navigable): {} meters'.format(int(self.mileage['_navigable_create']-self.mileage['_navigable_delete']))
for nav_cat in self.mileage['by_type'].keys():
for nav_type in self.mileage['by_type'][nav_cat].keys():
print 'Mileage ({}={}): {} meters'.format(nav_cat, nav_type,
int(self.mileage['by_type'][nav_cat][nav_type]))
def printDiffs(self):
self.buildDiffList()
pprint.pprint(self.diffs)
def _pluS(self, num):
'''Return plural s'''
if num==1:
return ''
return 's'
def buildDiffList(self, maxtime=None):
logger.debug('Start building diff list')
self.startProcessing(maxtime)
self.diffs = self.getEmptyObjDict()
for modif in self.changes:
logger.debug('Processing modif: {}'.format(modif))
self.checkProcessingLimits()
etype = modif['type']
data = modif['data']
id = data['id']
version = data['version']
action = modif['action']
diff = self.getTagDiff(etype, id, version)
label = self.getLabel(etype, id, version)
#logger.debug('-- {} {} {} --'.format(action, etype, id))
notes = []
prev_authors = []
entry = (action, label, diff, notes, prev_authors)
self.diffs[etype][str(id)] = entry
if action == 'modify':
old = self.old(etype,id,version-1)
if etype=='way':
nd_ops = self.diffStat(old['nd'], data['nd'])
if nd_ops or diff:
if nd_ops:
if nd_ops[0]:
notes.append(u'added {} node{}'.format(nd_ops[0], self._pluS(nd_ops[0])))
if nd_ops[1]:
notes.append(u'removed {} node{}'.format(nd_ops[1], self._pluS(nd_ops[1])))
if old['uid'] != data['uid']:
prev_authors.append(old['user'])
if etype=='relation':
# member is list of dict's: {u'role': u'', u'ref': 1234, u'type': u'way'}
ombr = [x['ref'] for x in old['member']]
nmbr = [x['ref'] for x in data['member']]
m_ops = self.diffStat(ombr, nmbr)
if m_ops or diff:
if m_ops:
if m_ops[0]:
notes.append(u'added {} member{}'.format(m_ops[0], self._pluS(m_ops[0])))
if m_ops[1]:
notes.append(u'deleted {} member{}'.format(m_ops[1], self._pluS(m_ops[1])))
if old['uid'] != data['uid']:
prev_authors.append(old['user'])
if not m_ops and ombr!=nmbr:
notes.append(u'Reordered members')
# TODO: Handle relation role changes (e.g. inner to outer)
# TODO: Show relation as modified if member changes (e.g. way has added a node)
return self.diffs
def diffStat(self, a, b):
''' Given two lists of ids, return tuple with (added, removed) '''
aa = set(a)
bb = set(b)
d1 = aa-bb
d2 = bb-aa
if not d1 and not d2:
return None
return (len(d2), len(d1))
def downloadMeta(self, set_tz=True):
if not self.meta:
if self.apidebug:
logger.debug('osmapi.ChangesetGet({}, include_discussion=True)'.format(self.id))
self.meta = self.osmapi.ChangesetGet(self.id, include_discussion=True)
if set_tz:
for ts in ['created_at', 'closed_at']:
if ts in self.meta:
self.meta[ts] = self.meta[ts].replace(tzinfo=pytz.utc)
if 'discussion' in self.meta:
for disc in self.meta['discussion']:
disc['date'] = disc['date'].replace(tzinfo=pytz.utc)
if self.datadebug:
logger.debug(u'meta({})={}'.format(self.id, self.meta))
def downloadData(self):
if not self.changes:
if self.apidebug:
logger.debug('osmapi.ChangesetDownload({})'.format(self.id))
self.changes = self.osmapi.ChangesetDownload(self.id)
if self.datadebug:
logger.debug(u'changes({})={}'.format(self.id, self.changes))
def _downloadGeometry(self, overpass_api='https://overpass-api.de/api'):
# https://overpass-api.de/api/interpreter?data=[adiff:"2016-07-02T22:23:17Z","2016-07-02T22:23:19Z"];(node(bbox)(changed);way(bbox)(changed););out meta geom(bbox);&bbox=11.4019207,55.8270254,11.4030363,55.8297091
opened = self.get_timestamp(self.meta, 'created_at')[1] - datetime.timedelta(seconds=1)
closed = self.get_timestamp(self.meta, 'closed_at')[1] + datetime.timedelta(seconds=1)
tfmt = '%Y-%m-%dT%h:%M:%sZ'
url = overpass_api+'/interpreter?data=[adiff:"'+ \
opened.strftime(tfmt) + '","' + closed.strftime(tfmt) + \
'"];(node(bbox)(changed);way(bbox)(changed););out meta geom(bbox);&bbox=' + \
'{},{},{},{}'.format(self.meta['min_lon'], self.meta['min_lat'], self.meta['max_lon'], self.meta['max_lat'])
#r = requests.get(url, stream=True, headers={'Connection':'close'})
r = requests.get(url)
if r.status_code!=200:
raise Exception('Overpass error:{}:{}:{}'.format(r.status_code,r.text,url))
#r.raw.decode_content = True
def downloadGeometry(self, maxtime=None, way_nodes=True):
self.startProcessing(maxtime)
for mod in self.changes:
self.checkProcessingLimits()
etype = mod['type']
data = mod['data']
eid = data['id']
version = data['version']
action = mod['action']
if action == 'create':
self.hist[etype][eid] = {1: data}
else:
self.hist[etype][eid] = {version: data}
self.old(etype, eid, version-1)
if etype == 'way' and action != 'delete':
for nid in data['nd']:
self.old('node', nid, data['timestamp'])
def startProcessing(self, maxtime=None):
self.max_processing_time = maxtime
self.processing_start = time.time()
def checkProcessingLimits(self):
if self.max_processing_time:
used = time.time()-self.processing_start
logger.debug('Used {:.2f}s of {}s to process history'.format(used, self.max_processing_time))
if used > self.max_processing_time:
logger.warning('Timeout: Used {:.2f}s of processing time'.format(used))
raise Timeout
def unload(self):
ch = self.changes
self.changes = None
del ch
hist = self.hist
self.hist = None
del hist
def wayIsNavigable(self, tags):
navigable = ['highway', 'cycleway', 'busway']
return set(navigable) & set(tags)
def buildSummary(self, mileage=True, maxtime=None):
logger.debug('Start building change summary')
self.startProcessing(maxtime)
self.other_users = {}
self.mileage = {'_navigable_create':0, '_navigable_delete':0, '_all_create':0, '_all_delete':0, 'by_type': {}}
for modif in self.changes:
logger.debug('Processing modif: {}'.format(modif))
self.checkProcessingLimits()
etype = modif['type']
data = modif['data']
eid = data['id']
version = data['version']
action = modif['action']
self.summary['_'+action] += 1
self.summary[action][etype] += 1
diff = self.getTagDiff(etype, eid, version)
if diff:
self.addDiffDicts(self.tagdiff, diff)
self.tags = self.getTags(etype, eid, version, self.tags)
if etype=='node':
if action == 'delete':
old = self.old(etype,eid,version-1)
if not diff and ('tag' not in old.keys() or not old['tag']):
self.simple_nodes[action] += 1
else:
if not diff and ('tag' not in data.keys() or not data['tag']):
self.simple_nodes[action] += 1
# For modify and delete we summarize affected users
if action != 'create':
old = self.old(etype,eid,version-1)
old_uid = old['uid']
if old_uid != data['uid']:
old_uid = str(old_uid)
if not old_uid in self.other_users.keys():
if old['user']:
usr = old['user']
else:
usr = '******'
self.other_users[old_uid] = {'user':usr, 'edits':0}
self.other_users[old_uid]['edits'] = +1
# FIXME: Since we are only summing created/deleted ways, we ignore edited mileage
if (action == 'create' or action == 'delete') and etype=='way':
if action == 'create':
# If created, we take the latest node version - in special
# cases where a node is edited multiple times in the same
# diff, this might not be correct
nv = -1
nd = data['nd']
tags = data['tag']
else:
# For deleted ways, we take the previous version
nv = old['timestamp']
nd = old['nd']
tags = old['tag']
d = 0
flon = flat = None
for nid in nd:
n = self.old('node', nid, nv)
#logger.debug('({}, {})'.format(n['lon'], n['lat']))
if flon:
d += geotools.haversine(flon, flat, n['lon'], n['lat'])
flon, flat = (n['lon'], n['lat'])
if action == 'delete':
d = -d
self.mileage['_all_'+action] += d
navigable = self.wayIsNavigable(tags)
if navigable:
self.mileage['_navigable_'+action] += d
nav_cat = navigable.pop()
nav_type = tags[nav_cat]
if not nav_cat in self.mileage['by_type'].keys():
self.mileage['by_type'][nav_cat] = {}
if not nav_type in self.mileage['by_type'][nav_cat].keys():
self.mileage['by_type'][nav_cat][nav_type] = 0
self.mileage['by_type'][nav_cat][nav_type] += d
#else:
# # Buildings, natural objects etc
# logger.debug('*** Not navigable way ({}) mileage: {} {} {}'.format(tags, d, self.mileage, navigable))
def getEmptyDiffDict(self):
return {'create':{}, 'delete':{}, 'modify':{}}
def getEmptyObjDict(self):
return {'node':{}, 'way':{}, 'relation':{}}
def addDiffDicts(self, into, src):
for ac in src.keys():
for k,v in src[ac].iteritems():
into[ac][k] = into[ac].get(k, 0)+v
def getTagDiff(self, etype, eid, version):
''' Compute tag diffence between 'version' and previous version '''
diff = self.getEmptyDiffDict()
curr = self.old(etype,eid,version)
ntags = curr['tag']
if version > 1:
old = self.old(etype,eid,version-1)
otags = old['tag']
else:
old = None
otags = {}
#logger.debug('Tags curr:{}'.format(ntags))
#logger.debug('Tags old:{}'.format(otags))
for t in ntags.keys():
if t in otags:
if ntags[t]!=otags[t]:
k = u'{}={} --> {}={}'.format(t, otags[t], t, ntags[t])
diff['modify'][k] = diff['modify'].get(k, 0)+1
else:
k = u'{}={}'.format(t, ntags[t])
diff['create'][k] = diff['create'].get(k, 0)+1
for t in otags.keys():
if not t in ntags:
k = u'{}={}'.format(t, otags[t])
diff['delete'][k] = diff['delete'].get(k, 0)+1
if not diff['create'] and not diff['delete'] and not diff['modify']:
return None
return diff
def getTags(self, etype, eid, version, curr_tags=None):
'''Compute unmodified tags, i.e. tags on objects changed geometrically, but
where tags are identical between 'version' and previous version'''
if not curr_tags:
tags = {}
else:
tags = curr_tags
curr = self.old(etype,eid,version)
ntags = curr['tag']
if version > 1:
old = self.old(etype,eid,version-1)
otags = old['tag']
else:
old = None
otags = {}
#logger.debug('Tags curr:{}'.format(ntags))
#logger.debug('Tags old:{}'.format(otags))
for t in ntags.keys():
if t in otags:
if ntags[t]==otags[t]:
k = u'{}={}'.format(t, ntags[t])
tags[k] = tags.get(k, 0)+1
return tags
def getLabel(self, etype, eid, version):
e = self.old(etype,eid,version)
if 'tag' in e.keys():
tag = e['tag']
if 'name' in tag.keys():
label = u'name={}'.format(tag['name'])
else:
label = u'{}<{}>'.format(etype.capitalize(), eid)
keytags = ['highway', 'amenity', 'man_made', 'leisure', 'historic', 'landuse', 'type']
for kt in keytags:
if kt in tag.keys():
return u'{}={}, {}'.format(kt, tag[kt], label)
return u'{}<{}>'.format(etype, eid)
# Note: Deleted objects only have history
def getElement(self, modif):
etype = modif['type']
data = modif['data']
eid = data['id']
version = data['version']
action = modif['action']
if action == 'create':
self.hist[etype][eid] = {1: data}
else:
e = self.old(etype, eid, version-1)
def getElementHistory(self, etype, eid, version):
logger.debug('GetElementHistory({} idw {} version {})'.format(etype, eid, version));
hv = None
if self.history_one_version_back or version<4:
if not eid in self.hist[etype].keys():
self.hist[etype][eid] = {}
if self.apidebug:
logger.debug('cset {} -> osmapi.{}Get({},ver={})'.format(self.id, etype.capitalize(), eid, version))
if etype == 'node':
hv = self.osmapi.NodeGet(eid, NodeVersion=version)
elif etype == 'way':
hv = self.osmapi.WayGet(eid, WayVersion=version)
elif etype == 'relation':
hv = self.osmapi.RelationGet(eid, RelationVersion=version)
if hv:
self.hist[etype][eid][version] = hv
else:
# Possibly deleted element, fall-through
logger.warning('Failed to get element history by version: {} id {} version {}'.format(etype, eid, version))
if not hv:
if self.apidebug:
logger.debug('cset {} -> osmapi.{}History({})'.format(self.id, etype.capitalize(), eid))
if etype == 'node':
h = self.osmapi.NodeHistory(eid)
elif etype == 'way':
h = self.osmapi.WayHistory(eid)
elif etype == 'relation':
h = self.osmapi.RelationHistory(eid)
self.hist[etype][eid] = h
logger.debug('{} id {} history: {}'.format(etype, eid, h))
def old(self, etype, eid, version, only_visible=True):
logger.debug('Get old {} id {} version {}'.format(etype, eid, version))
if not isinstance(version, int):
'''Support timestamp versioning. Ways and relations refer un-versioned
nodes/ways/relations, i.e. the only way to find the relevant node
postion when the node was e.g. edited is to lookup using the
timestamp. Using the latest version of the node is node correct
if the node was moved subsequently..
'''
ts = diff.OsmDiffApi.timetxt2datetime(version)
# First look if we have version very close in time
if eid in self.hist[etype]:
for v in self.hist[etype][eid].keys():
e = self.hist[etype][eid][v]
diffsec = abs((ts-e['timestamp']).total_seconds())
# If timestamp difference is less than two seconds, return the element we have
# This will cover e.g. newly created nodes+ways
if diffsec<2:
return e
if not self.osmapi:
# If we have no api, return the newest version
v = max(self.hist[etype][eid].keys())
e = self.hist[etype][eid][v]
if only_visible and not e['visible']:
e = self.hist[etype][eid][v-1]
return e
# Lookup the old node
if self.apidebug:
logger.debug('cset {} -> osmapi.{}History({})'.format(self.id, etype.capitalize(), eid))
if etype == 'node':
self.hist[etype][eid] = self.osmapi.NodeHistory(eid)
elif etype == 'way':
self.hist[etype][eid] = self.osmapi.WayHistory(eid)
elif etype == 'relation':
self.hist[etype][eid] = self.osmapi.RelationHistory(eid)
k = self.hist[etype][eid].keys()
k.sort(reverse=True)
version = 1 # Default, if timestamps does not work - should never be needed
for v in k:
e = self.hist[etype][eid][v]
ets = diff.OsmDiffApi.timetxt2datetime(e['timestamp'])
if ets<=ts:
version = e['version']
break;
if version==-1:
# Latest version we already have
if eid in self.hist[etype].keys():
ks = self.hist[etype][eid].keys()
ks.sort()
version = ks[-1]
logger.debug('version -1 changed to {} (ks={})'.format(version, ks))
for v in range(version, 1, -1):
if not only_visible or self.hist[etype][eid][version]['visible']:
return self.hist[etype][eid][version]
logger.debug('Did not find existing history on {} id {} version {}'.format(etype, eid, version))
if (not eid in self.hist[etype].keys()) or (not version in self.hist[etype][eid].keys()):
logger.debug('Do not have element {} id {} version {}'.format(etype, eid, version))
if not eid in self.hist[etype].keys():
logger.debug('Id {} not in {} keys'.format(eid, etype))
elif not version in self.hist[etype][eid].keys():
logger.debug('Version {} not in {}/{} keys'.format(version, etype, eid))
self.getElementHistory(etype, eid, version)
ks = self.hist[etype][eid].keys()
ks.sort()
version = ks[-1]
logger.debug('version -1 changed to {} (ks={})'.format(version, ks))
logger.debug('{} id {} version {}: {}'.format(etype, eid, version, self.hist[etype][eid]))
elem = self.hist[etype][eid][version]
if only_visible and not elem['visible']:
if version > 1:
# Deleted and then reverted elements will not have lat/lons on the old version
logger.debug('Non-visible element found, trying {} id {} version {}'.format(etype, eid, version-1))
elem = self.old(etype, eid, version-1, only_visible)
else:
logger.error('Non-visible element found: {} id {} version {}'.format(etype, eid, version))
if not ('uid' in elem.keys() and 'user' in elem.keys()):
logger.warning('*** Warning, old element type={} id={} v={} elem={}'.format(etype, eid, version, elem))
# API-QUIRK (Anonymous edits, discontinued April 2009): Not all old
# elements have uid. See
# e.g. 'http://www.openstreetmap.org/api/0.6/way/8599635/history'
# Also, 'created_by' does not seem like a complete substitute
#if hasattr(elem, 'create_by'):
# user = '******'.format(elem['create_by'])
#else:
user = None
# Insert pseudo-values
if not 'uid' in elem.keys():
elem['uid'] = 0
if not 'user' in elem.keys():
elem['user'] = user
return elem
# def getReferencedElements(self):
# ''' Get elements referenced by changeset but not directly modified. '''
# for id,w in self.elems['way'].iteritems():
# self.getWay(id, w)
# for id,r in self.elems['relation'].iteritems():
# self.getRelation(id, r)
# def getNode(self, id, data=None):
# if not data:
# if self.apidebug:
# logger.debug('osmapi.NodeGet({})'.format(id))
# data = self.osmapi.NodeGet(id)
# if not data: # Deleted, get history
# self.hist['node'][id] = self.osmapi.NodeHistory(id)
# else:
# self.elems['node'][id] = data
# def getWay(self, id, data=None):
# if not data:
# if self.apidebug:
# logger.debug('osmapi.WayGet({})'.format(id))
# data = self.osmapi.WayGet(id)
# if not data: # Deleted, get history
# self.hist['way'][id] = self.osmapi.WayHistory(id)
# else:
# # Api has limitations on how many elements we can request in one multi-request
# # probably a char limitation, not number of ids
# api_max = 100
# all_nds = data['nd']
# for l in [all_nds[x:x+api_max] for x in xrange(0, len(all_nds), api_max)]:
# # We dont know node version - if node has been deleted we are in trouble
# if self.apidebug:
# logger.debug('osmapi.NodesGet({})'.format(l))
# nds = self.osmapi.NodesGet(l)
# for nd in nds.keys():
# self.getNode(nd, nds[nd])
# def getRelation(self, id, data=None):
# if not data:
# if self.apidebug:
# logger.debug('osmapi.RelationGet({})'.format(id))
# data = self.osmapi.RelationGet(id)
# if not data: # Deleted, get history
# self.hist['relation'][id] = self.osmapi.RelationHistory(id)
# else:
# for mbr in data['member']:
# ref = mbr['ref']
# etype = mbr['type']
# # We dont know version - if way/node has been deleted we are in trouble
# if etype == 'node':
# self.getNode(ref)
# elif etype == 'way':
# self.getWay(ref)
# elif etype == 'relation':
# self.getRelation(ref)
def isInside(self, area, load_way_nodes=True):
'''Return true if there are node edits in changeset and one or more nodes are within area'''
hasnodes = False
for modif in self.changes:
etype = modif['type']
data = modif['data']
action = modif['action']
if etype=='node':
hasnodes = True
if action!='delete':
if area.contains(data['lon'], data['lat']):
return True
else:
# Deleted node do not have lat/lon
id = data['id']
version = data['version']
n = self.old(etype,id,version-1)
if area.contains(n['lon'], n['lat']):
return True
if hasnodes:
# Changesset has node edits, but none inside area i.e. most likely
# not within area. We could have way/relation changes inside area,
# which we will miss (FIXME).
return False
else:
# FIXME: We really do not know because only tags/members on/off
# ways/relations where changes. Maybe download way/relation nodes
# to detect where edit where
if load_way_nodes:
for modif in self.changes:
etype = modif['type']
data = modif['data']
#action = modif['action']
if etype=='way':
nd = data['nd']
for nid in nd:
n = self.old('node', nid, data['timestamp'])
if area.contains(n['lon'], n['lat']):
return True
return False
else:
# If we do not load nodes, we assume there are changed within area
return True
def getGeoJsonDiff(self, include_modified_ways=True):
#self.getReferencedElements()
g = gj.GeoJson()
c_create = '009a00' # Green
c_delete = 'ff2200' # Red
c_old = 'ffff60' # Yellow
c_mod = '66aacc' # Light blue
for modif in self.changes:
etype = modif['type']
n = modif['data']
id = n['id']
version = n['version']
action = modif['action']
#diff = self.getTagDiff(etype, id, version)
f = None
if action=='delete':
e = self.old(etype,id,version-1)
else:
e = self.old(etype,id,version)
if etype=='node':
if action=='modify':
oe = self.old(etype,id,version-1)
logger.debug('Modify node {} version={} e={}, oe={}'.format(id, version, e, oe))
l = g.addLineString()
g.addLineStringPoint(l, e['lon'], e['lat'])
g.addLineStringPoint(l, oe['lon'], oe['lat'])
g.addColour(l, c_old)
g.addProperty(l, 'popupContent', 'Node moved')
g.addProperty(l, 'action', action)
g.addProperty(l, 'type', etype)
#f = g.addPoint(oe['lon'], oe['lat'])
#g.addColour(f, c_old)
f = g.addPoint(e['lon'], e['lat'])
else:
f = g.addPoint(e['lon'], e['lat'])
if etype=='way' and (include_modified_ways or action!='modify'):
f = g.addLineString()
nd = e['nd']
for nid in nd:
# Using timestamp here means we draw the old way. If
# existing points have been moved and new ones added, we
# will draw the old way but show points as being moved.
n = self.old('node', nid, e['timestamp'])
g.addLineStringPoint(f, n['lon'], n['lat'])
if f:
# Popup text
txt = ''
e = self.old(etype,id,version)
tag = e['tag']
g.addProperty(f, 'action', action)
g.addProperty(f, 'type', etype)
g.addProperty(f, 'id', id)
if action=='delete':
g.addColour(f, c_delete)
g.addProperty(f, 'tag', {version: tag})
elif action=='create':
g.addColour(f, c_create)
g.addProperty(f, 'tag', {version: tag})
else:
g.addColour(f, c_mod)
oe = self.old(etype,id,version-1)
g.addProperty(f, 'tag', {version: tag, version-1: oe['tag']})
if self.diffs:
diff = self.diffs[etype][str(id)]
if diff:
if action!='create': # Dont show tags twice
d = diff[2]
if d:
tags = 0
repl = {'create': 'Added tags:', 'modify': 'Modified tags:', 'delete': 'Removed tags:'}
for k in ['create', 'modify', 'delete']:
if len(d[k].keys()) > 0:
txt = self.joinTxt(txt, repl[k])
for kk in d[k].keys():
txt = self.joinTxt(txt, kk)
tags += 1
if tags > 0:
txt = self.joinTxt(txt, '', new_ph=True)
notes = diff[3]
if notes:
for n in notes:
txt = self.joinTxt(txt, n)
txt = self.joinTxt(txt, '', new_ph=True)
usr = diff[4]
if usr:
txt = self.joinTxt(txt, u'Affects edits by:', new_ph=True)
for u in usr:
if not u:
u = '(Anonymous)'
txt = self.joinTxt(txt, u)
if txt != '':
txt = self.joinTxt(txt, '')
g.addProperty(f, 'popupContent', txt)
return g.getData()
def joinTxt(self, t1, t2, new_ph=False, pstart='<p>', pend='</p>'):
if (t1=='' or t1.endswith(pend)) and t2!='':
t1 += pstart+t2.capitalize()
else:
if t2=='':
t1+=pend
else:
if new_ph:
if t1!='':
t1 += '.'+pend
t1 += pstart+t2.capitalize()
else:
if not t1.endswith(':'):
t1 += ', '
t1 += t2
return t1
def get_elem_elem(self, obj, elem):
'''Find elements within elements'''
els = elem.split('.')[1:]
try:
for e in els:
logger.debug(u'get e={} obj={}'.format(e,obj))
if type(obj) is dict:
obj = obj[e]
else:
obj = getattr(obj, e)
logger.debug(u'new obj={}'.format(obj))
return obj
except (AttributeError, KeyError):
return None
def regex_test(self, regex_filter):
'''Check if changeset matches regexp. Input regex_filter is a list of
dicts. For each dict in list, check if all dict elements match, if a
full match is found, return True. I.e. match is OR between list of
dicts and AND between elements in each dict.
'''
logger.debug('Cset check regex filter: {}'.format(regex_filter))
for rf in regex_filter:
matchcnt = 0
for k,v in rf.iteritems():
logger.debug(u"Evaluating: '{}'='{}'".format(k,v))
if k.startswith('.changes'):
if self.regex_test_changes(k, v):
logger.debug("Match found")
matchcnt += 1
else:
e = self.get_elem_elem(self, k)
logger.debug(u"regex: field '{}'='{}', regex '{}'".format(k,e,v))
if e:
m = re.match(v, e)
if m:
logger.debug(u"Match found on '{}'".format(e))
matchcnt += 1
if matchcnt == len(rf.keys()):
logger.debug(u"Found '{}' matches of: '{}'".format(matchcnt, rf))
return True
logger.debug(u"No match: '{}' (found {} of {})".format(rf, matchcnt, len(rf.keys())))
return False
def regex_test_changes(self, k, v):
'''Regex test on changeset changes. Format is:
.changes[.action][.element-type].elements
where optional '.action' is either '.modify', '.create' or '.delete' and optional
'.element-type' is either '.node', '.way' or '.relation'
Examples: '.changes.modify.node.tag.name'
'.changes.node.tag.name'
'''
# FIXME: This code only looks at the new values (e.g. tags on new
# version). We need to investigate old version also to detect e.g. deleted tags
if not self.changes:
return False
action = None
elemtype = None
rg = k.split('.')[2:]
if rg[0] in ['modify', 'create', 'delete']:
action = rg.pop(0)
if rg[0] in ['node', 'way', 'relation']:
elemtype = rg.pop(0)
logger.debug("Action: '{}', element type '{}'".format(action, elemtype))
for modif in self.changes:
if action and action!=modif['action']:
continue
if elemtype and elemtype!=modif['type']:
continue
data = modif['data']
logger.debug('Modif {}'.format(data))
field = '.'+'.'.join(rg)
e = self.get_elem_elem(data, field)
logger.debug("regex: field '{}'='{}', regex '{}'".format(field,e,v))
if e:
return re.match(v, e)
return False
def build_labels(self, label_rules):
'''Build list of labels based on regex and area check. Note that both regex and
area check can be defined with and AND rule between then, i.e. both
must match if both are defined.
'''
labels = []
for dd in label_rules:
if dd['label'] in labels:
logger.debug('Label already set: {}'.format(dd['label']))
continue # duplicate label
match = True
if 'regex' in dd:
logger.debug('regex test, rule={}'.format(dd))
if self.regex_test(dd['regex']):
logger.debug('Regex test OK')
else:
match = False
if 'area_file' in dd:
logger.debug('area test, rule={}'.format(dd))
area = poly.Poly()
if 'OSMTRACKER_REGION' in os.environ:
area_file = os.environ['OSMTRACKER_REGION']
else:
area_file = dd['area_file']
area.load(area_file)
logger.debug("Loaded area polygon from '{}' with {} points".format(area_file, len(area)))
if ('area_check_type' not in dd or dd['area_check_type']=='cset-bbox') and area.contains_chgset(self.meta):
logger.debug('Area test OK, changeset bbox')
elif set(['min_lon', 'min_lat', 'max_lon', 'max_lat']).issubset(self.meta.keys()) and ('area_check_type' in dd and dd['area_check_type']=='cset-center') and area.contains((float(self.meta['min_lon'])+float(self.meta['max_lon']))/2,
(float(self.meta['min_lat'])+float(self.meta['max_lat']))/2):
logger.debug('Area test OK, changeset center')
else:
match = False
if match:
logger.debug("Adding label '{}'".format(dd['label']))
labels.append(dd['label'])
return labels
def data_export(self):
return {'state': {},
'summary': self.summary,
'tags': self.tags,
'tagdiff': self.tagdiff,
'simple_nodes': self.simple_nodes,
'diffs': self.diffs,
'other_users': self.other_users,
'mileage_m': self.mileage,
'geometry': self.hist,
'changes': self.changes}
def data_import(self, data):
self.summary = data['summary']
self.tags = data['tags']
self.tagdiff = data['tagdiff']
self.simple_nodes = data['simple_nodes']
self.diffs = data['diffs']
self.other_users = data['other_users']
self.mileage = data['mileage_m']
self.changes = data['changes']
self.hist = {}
# Exporting to JSON causes int keys to be converted to strings
for etype in data['geometry'].keys():
self.hist[etype] = {}
for eid in data['geometry'][etype].keys():
self.hist[etype][long(eid)] = {}
for v in data['geometry'][etype][eid].keys():
self.hist[etype][long(eid)][long(v)] = data['geometry'][etype][eid][v]
username = sys.argv[1]
searchfortag = sys.argv[2]
searchforvalue = sys.argv[3]
action = sys.argv[4]
print("Searching for tag=%s, value=%s, action=%s, user=%s" %(searchfortag, searchforvalue, action, username))
counter = 0
MyApi = OsmApi()
csets = MyApi.ChangesetsGet(username=username)
for i_cs in csets:
changeset_info = MyApi.ChangesetGet(i_cs)
changeset = MyApi.ChangesetDownload(i_cs)
for i_ed in changeset:
if i_ed['action'] == action:
node_id = i_ed['data']['id']
node = MyApi.NodeGet(node_id)
try:
if node['tag'][searchfortag] == searchforvalue:
counter = counter + 1
print("Counter: %i %s, node id: %s" % (counter, searchforvalue, node_id))
except:
a=1
print("Number of items: %i" % counter)