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import os
import re
#requires python >= 2.4
from subprocess import Popen as _Popen, PIPE as _PIPE
def get_entries_files(base, recurse=True):
for base,dirs,files in os.walk(os.curdir):
if '.svn' not in dirs:
dirs[:] = []
continue # no sense walking uncontrolled subdirs
dirs.remove('.svn')
f = open(os.path.join(base,'.svn','entries'))
yield f.read()
f.close()
#It would seem that svn info --xml and svn list --xml were fully supported by 1.3.x
#the special casing of the entry files seem to start at 1.4.x, so if we check
#for xml in entries and then fall back to the command line, this should catch everything.
class SVNEntries(object):
def __init__(self, path, data):
self.path = path
self.data = data
@classmethod
def load(class_, base):
filename = os.path.join(base, '.svn', 'entries')
f = open(filename)
result = SVNEntries.read(f, None)
f.close()
return result
@classmethod
def read(class_, file, path=None):
data = file.read()
if data.startswith('<?xml'):
#entries were originally xml so pre-1.4.x
return SVNEntriesXML(data, path)
else if path is None:
raise ValueError('Must have path to call svn')
else:
return SVNEntriesCMD(data, path)
def parse_revision(self):
all_revs = self.parse_revision_numbers() + [0]
return max(all_revs)
class SVNEntriesXML(SVNEntries):
def is_valid(self):
return True
def get_url(self):
"Get repository URL"
urlre = re.compile('url="([^"]+)"')
return urlre.search(self.data).group(1)
def parse_revision_numbers(self):
revre = re.compile('committed-rev="(\d+)"')
return [
int(m.group(1))
for m in revre.finditer(self.data)
]
def get_undeleted_records(self):
entries_pattern = re.compile(r'name="([^"]+)"(?![^>]+deleted="true")', re.I)
results = [
unescape(match.group(1))
for match in entries_pattern.finditer(self.data)
]
return results
class SVNEntriesCMD(SVNEntries):
entrypathre = re.compile(r'<entry\s+[^>]*path="(\.+)">', re.I)
entryre = re.compile(r'<entry.*?</entry>', re.M or re.I)
urlre = re.compile('<root>(.*?)</root>', re.I)
revre = re.compile('<commit\s+[^>]*revision="(\d+)"', re.I)
namere = re.compile('<name>(.*?)</name>', re.I)
def __get_cached_dir_data(self):
return self.dir_data
def __get_cached_entries(self):
return self.entries
def is_valid(self):
return bool(self.get_dir_data())
def get_dir_data(self):
#regard the shell argument, see: http://bugs.python.org/issue8557
# and http://stackoverflow.com/questions/5658622/python-subprocess-popen-environment-path
proc = _Popen(['svn', 'info', '--xml', self.path],
stdout=_PIPE, shell=(sys.platform=='win32'))
data = unicode(proc.communicate()[0], encoding='utf-8')
self.dir_data = self.entryre.findall(data)
self.get_dir_data = self.__get_cached_dir_data
return self.dir_data
def get_entries(self):
#regard the shell argument, see: http://bugs.python.org/issue8557
# and http://stackoverflow.com/questions/5658622/python-subprocess-popen-environment-path
proc = _Popen(['svn', 'list', '--xml', self.path],
stdout=_PIPE, shell=(sys.platform=='win32'))
data = unicode(proc.communicate()[0], encoding='utf-8')
self.dir_data = self.entryre.findall(data)
self.get_dir_data = self.__get_cached_dir_data
return self.dir_data
def get_url(self):
"Get repository URL"
return self.urlre.search(self.get_sections()[0]).group(1)
def parse_revision_numbers(self):
#NOTE: if one has recently committed, the new revision doesn't get updated until SVN update
if not self.is_valid():
return list()
else:
return [
int(m.group(1))
for entry in self.get_enteries()
for m in self.revre.finditer(entry)
]
def get_undeleted_records(self):
#NOTE: Need to parse entities?
if not self.is_valid():
return list()
else:
return [
m.group(1))
for entry in self.get_enteries()
for m in self.namere.finditer(entry)
]
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