Files
mayan-edms/apps/installation/classes.py
2013-01-25 22:45:30 -04:00

167 lines
4.6 KiB
Python

from __future__ import absolute_import
from collections import namedtuple
import os
import sys
import pbs
try:
from pbs import pip
PIP = True
except pbs.CommandNotFound:
PIP = False
from django.conf import settings
from django.utils.simplejson import dumps
class PIPNotFound(Exception):
pass
class PropertyNamespace(object):
_registry = {}
@classmethod
def get(cls, name):
return cls._registry[name]
@classmethod
def get_all(cls):
return cls._registry.values()
def __init__(self, name, label):
self.name = name
self.label = label
self.properties = {}
self.__class__._registry[name] = self
def __unicode__(self):
return unicode(self.label)
def __str__(self):
return str(self.label)
def add_property(self, *args, **kwargs):
prop = Property(*args, **kwargs)
self.properties[prop.name] = prop
def get_properties(self):
return self.properties.values()
@property
def id(self):
return self.name
class Property(object):
_registry = {}
@classmethod
def get_all(cls):
return cls._registry.values()
@classmethod
def get(cls, name):
return cls._registry[name]
@classmethod
def get_reportable(cls, as_dict=False, as_json=False):
if as_json:
return dumps(cls.get_reportable(as_dict=True))
if not as_dict:
return [prop for prop in cls.get_all() if prop.report]
else:
result = {}
for prop in cls.get_all():
if prop.report:
result[prop.name] = unicode(prop.value)
return result
def __init__(self, name, label, value, report=False):
self.name = name
self.label = label
self.value = value
self.report = report
self.__class__._registry[name] = self
def __unicode__(self):
return unicode(self.value)
def __str__(self):
return str(self.value)
Dependency = namedtuple('Dependency', 'name, version, standard')
class VirtualEnv(object):
def extract_dependency(self, string):
string = str(string.strip())
try:
package, version = string.split('==')
except ValueError:
# item is not installed from package, svn/git maybe
try:
version, package = string.split('=')
except:
# has no version number
return Dependency(string, version=None, standard=True)
else:
version = version.split('#')[0].split(' ')[1] # Get rid of '#egg' and '-e'
return Dependency(package, version, standard=False)
else:
return Dependency(package, version, standard=True)
def get_packages_info(self, requirements_file=None):
if requirements_file:
with open(requirements_file) as file_in:
for line in file_in.readlines():
yield self.extract_dependency(line)
else:
for item in pip('freeze').splitlines():
yield self.extract_dependency(item)
def __init__(self):
self.requirements_file_path = os.path.join(settings.PROJECT_ROOT, 'requirements', 'production.txt')
if not PIP:
raise PIPNotFound
def get_results(self):
requirements = {}
installed_packages = {}
for item in self.get_packages_info(self.requirements_file_path):
requirements[item.name] = item
for item in self.get_packages_info():
installed_packages[item.name] = item
for name, item in requirements.items():
try:
if item.standard:
if item.version:
if item.version == installed_packages[name].version:
status = item.version
else:
status = installed_packages[name].version
else:
status = None
else:
# Non standard version number, check SVN or GIT path
if item.version == installed_packages['%s-dev' % name.replace('-', '_')].version:
status = item.version
else:
status = installed_packages['%s-dev' % name.replace('-', '_')].version
except KeyError:
# Not installed package found matching with name matchin requirement
status = False
yield name, item.version, status