|
|
#!/usr/bin/env python
|
|
|
# -*- coding: utf-8 -*-
|
|
|
|
|
|
import os
|
|
|
import re
|
|
|
import shutil
|
|
|
import logging
|
|
|
|
|
|
from rhodecode.lib.dbmigrate.migrate import exceptions
|
|
|
from rhodecode.lib.dbmigrate.migrate.versioning import pathed, script
|
|
|
from datetime import datetime
|
|
|
|
|
|
|
|
|
log = logging.getLogger(__name__)
|
|
|
|
|
|
class VerNum(object):
|
|
|
"""A version number that behaves like a string and int at the same time"""
|
|
|
|
|
|
_instances = dict()
|
|
|
|
|
|
def __new__(cls, value):
|
|
|
val = str(value)
|
|
|
if val not in cls._instances:
|
|
|
cls._instances[val] = super(VerNum, cls).__new__(cls)
|
|
|
ret = cls._instances[val]
|
|
|
return ret
|
|
|
|
|
|
def __init__(self,value):
|
|
|
self.value = str(int(value))
|
|
|
if self < 0:
|
|
|
raise ValueError("Version number cannot be negative")
|
|
|
|
|
|
def __add__(self, value):
|
|
|
ret = int(self) + int(value)
|
|
|
return VerNum(ret)
|
|
|
|
|
|
def __sub__(self, value):
|
|
|
return self + (int(value) * -1)
|
|
|
|
|
|
def __cmp__(self, value):
|
|
|
return int(self) - int(value)
|
|
|
|
|
|
def __repr__(self):
|
|
|
return "<VerNum(%s)>" % self.value
|
|
|
|
|
|
def __str__(self):
|
|
|
return str(self.value)
|
|
|
|
|
|
def __int__(self):
|
|
|
return int(self.value)
|
|
|
|
|
|
|
|
|
class Collection(pathed.Pathed):
|
|
|
"""A collection of versioning scripts in a repository"""
|
|
|
|
|
|
FILENAME_WITH_VERSION = re.compile(r'^(\d{3,}).*')
|
|
|
|
|
|
def __init__(self, path):
|
|
|
"""Collect current version scripts in repository
|
|
|
and store them in self.versions
|
|
|
"""
|
|
|
super(Collection, self).__init__(path)
|
|
|
|
|
|
# Create temporary list of files, allowing skipped version numbers.
|
|
|
files = os.listdir(path)
|
|
|
if '1' in files:
|
|
|
# deprecation
|
|
|
raise Exception('It looks like you have a repository in the old '
|
|
|
'format (with directories for each version). '
|
|
|
'Please convert repository before proceeding.')
|
|
|
|
|
|
tempVersions = dict()
|
|
|
for filename in files:
|
|
|
match = self.FILENAME_WITH_VERSION.match(filename)
|
|
|
if match:
|
|
|
num = int(match.group(1))
|
|
|
tempVersions.setdefault(num, []).append(filename)
|
|
|
else:
|
|
|
pass # Must be a helper file or something, let's ignore it.
|
|
|
|
|
|
# Create the versions member where the keys
|
|
|
# are VerNum's and the values are Version's.
|
|
|
self.versions = dict()
|
|
|
for num, files in tempVersions.items():
|
|
|
self.versions[VerNum(num)] = Version(num, path, files)
|
|
|
|
|
|
@property
|
|
|
def latest(self):
|
|
|
""":returns: Latest version in Collection"""
|
|
|
return max([VerNum(0)] + self.versions.keys())
|
|
|
|
|
|
def _next_ver_num(self, use_timestamp_numbering):
|
|
|
if use_timestamp_numbering == True:
|
|
|
return VerNum(int(datetime.utcnow().strftime('%Y%m%d%H%M%S')))
|
|
|
else:
|
|
|
return self.latest + 1
|
|
|
|
|
|
def create_new_python_version(self, description, **k):
|
|
|
"""Create Python files for new version"""
|
|
|
ver = self._next_ver_num(k.pop('use_timestamp_numbering', False))
|
|
|
extra = str_to_filename(description)
|
|
|
|
|
|
if extra:
|
|
|
if extra == '_':
|
|
|
extra = ''
|
|
|
elif not extra.startswith('_'):
|
|
|
extra = '_%s' % extra
|
|
|
|
|
|
filename = '%03d%s.py' % (ver, extra)
|
|
|
filepath = self._version_path(filename)
|
|
|
|
|
|
script.PythonScript.create(filepath, **k)
|
|
|
self.versions[ver] = Version(ver, self.path, [filename])
|
|
|
|
|
|
def create_new_sql_version(self, database, description, **k):
|
|
|
"""Create SQL files for new version"""
|
|
|
ver = self._next_ver_num(k.pop('use_timestamp_numbering', False))
|
|
|
self.versions[ver] = Version(ver, self.path, [])
|
|
|
|
|
|
extra = str_to_filename(description)
|
|
|
|
|
|
if extra:
|
|
|
if extra == '_':
|
|
|
extra = ''
|
|
|
elif not extra.startswith('_'):
|
|
|
extra = '_%s' % extra
|
|
|
|
|
|
# Create new files.
|
|
|
for op in ('upgrade', 'downgrade'):
|
|
|
filename = '%03d%s_%s_%s.sql' % (ver, extra, database, op)
|
|
|
filepath = self._version_path(filename)
|
|
|
script.SqlScript.create(filepath, **k)
|
|
|
self.versions[ver].add_script(filepath)
|
|
|
|
|
|
def version(self, vernum=None):
|
|
|
"""Returns latest Version if vernum is not given.
|
|
|
Otherwise, returns wanted version"""
|
|
|
if vernum is None:
|
|
|
vernum = self.latest
|
|
|
return self.versions[VerNum(vernum)]
|
|
|
|
|
|
@classmethod
|
|
|
def clear(cls):
|
|
|
super(Collection, cls).clear()
|
|
|
|
|
|
def _version_path(self, ver):
|
|
|
"""Returns path of file in versions repository"""
|
|
|
return os.path.join(self.path, str(ver))
|
|
|
|
|
|
|
|
|
class Version(object):
|
|
|
"""A single version in a collection
|
|
|
:param vernum: Version Number
|
|
|
:param path: Path to script files
|
|
|
:param filelist: List of scripts
|
|
|
:type vernum: int, VerNum
|
|
|
:type path: string
|
|
|
:type filelist: list
|
|
|
"""
|
|
|
|
|
|
def __init__(self, vernum, path, filelist):
|
|
|
self.version = VerNum(vernum)
|
|
|
|
|
|
# Collect scripts in this folder
|
|
|
self.sql = dict()
|
|
|
self.python = None
|
|
|
|
|
|
for script in filelist:
|
|
|
self.add_script(os.path.join(path, script))
|
|
|
|
|
|
def script(self, database=None, operation=None):
|
|
|
"""Returns SQL or Python Script"""
|
|
|
for db in (database, 'default'):
|
|
|
# Try to return a .sql script first
|
|
|
try:
|
|
|
return self.sql[db][operation]
|
|
|
except KeyError:
|
|
|
continue # No .sql script exists
|
|
|
|
|
|
# TODO: maybe add force Python parameter?
|
|
|
ret = self.python
|
|
|
|
|
|
assert ret is not None, \
|
|
|
"There is no script for %d version" % self.version
|
|
|
return ret
|
|
|
|
|
|
def add_script(self, path):
|
|
|
"""Add script to Collection/Version"""
|
|
|
if path.endswith(Extensions.py):
|
|
|
self._add_script_py(path)
|
|
|
elif path.endswith(Extensions.sql):
|
|
|
self._add_script_sql(path)
|
|
|
|
|
|
SQL_FILENAME = re.compile(r'^.*\.sql')
|
|
|
|
|
|
def _add_script_sql(self, path):
|
|
|
basename = os.path.basename(path)
|
|
|
match = self.SQL_FILENAME.match(basename)
|
|
|
|
|
|
if match:
|
|
|
basename = basename.replace('.sql', '')
|
|
|
parts = basename.split('_')
|
|
|
if len(parts) < 3:
|
|
|
raise exceptions.ScriptError(
|
|
|
"Invalid SQL script name %s " % basename + \
|
|
|
"(needs to be ###_description_database_operation.sql)")
|
|
|
version = parts[0]
|
|
|
op = parts[-1]
|
|
|
dbms = parts[-2]
|
|
|
else:
|
|
|
raise exceptions.ScriptError(
|
|
|
"Invalid SQL script name %s " % basename + \
|
|
|
"(needs to be ###_description_database_operation.sql)")
|
|
|
|
|
|
# File the script into a dictionary
|
|
|
self.sql.setdefault(dbms, {})[op] = script.SqlScript(path)
|
|
|
|
|
|
def _add_script_py(self, path):
|
|
|
if self.python is not None:
|
|
|
raise exceptions.ScriptError('You can only have one Python script '
|
|
|
'per version, but you have: %s and %s' % (self.python, path))
|
|
|
self.python = script.PythonScript(path)
|
|
|
|
|
|
|
|
|
class Extensions:
|
|
|
"""A namespace for file extensions"""
|
|
|
py = 'py'
|
|
|
sql = 'sql'
|
|
|
|
|
|
def str_to_filename(s):
|
|
|
"""Replaces spaces, (double and single) quotes
|
|
|
and double underscores to underscores
|
|
|
"""
|
|
|
|
|
|
s = s.replace(' ', '_').replace('"', '_').replace("'", '_').replace(".", "_")
|
|
|
while '__' in s:
|
|
|
s = s.replace('__', '_')
|
|
|
return s
|
|
|
|
