d6d10506e1
Since the magic import "from sh import pip" is harder to debug and has problems on some systems, it is now substituted by a conventional pip-command object creation.
157 lines
4.2 KiB
Python
157 lines
4.2 KiB
Python
from __future__ import absolute_import
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from collections import namedtuple
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from json import dumps
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import os
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import sh
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try:
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pip = sh.Command('pip')
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PIP = True
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except sh.CommandNotFound:
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PIP = False
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from django.conf import settings
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class PIPNotFound(Exception):
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pass
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class PropertyNamespace(object):
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_registry = {}
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@classmethod
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def get(cls, name):
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return cls._registry[name]
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@classmethod
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def get_all(cls):
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return cls._registry.values()
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def __init__(self, name, label):
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self.name = name
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self.label = label
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self.properties = {}
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self.__class__._registry[name] = self
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def __unicode__(self):
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return unicode(self.label)
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def __str__(self):
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return str(self.label)
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def add_property(self, *args, **kwargs):
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prop = Property(*args, **kwargs)
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self.properties[prop.name] = prop
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def get_properties(self):
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return self.properties.values()
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@property
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def id(self):
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return self.name
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class Property(object):
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_registry = {}
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@classmethod
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def get_all(cls):
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return cls._registry.values()
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@classmethod
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def get(cls, name):
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return cls._registry[name]
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@classmethod
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def get_reportable(cls, as_dict=False, as_json=False):
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if as_json:
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return dumps(cls.get_reportable(as_dict=True))
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if not as_dict:
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return [prop for prop in cls.get_all() if prop.report]
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else:
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result = {}
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for prop in cls.get_all():
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if prop.report:
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result[prop.name] = unicode(prop.value)
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return result
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def __init__(self, name, label, value, report=False):
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self.name = name
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self.label = label
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self.value = value
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self.report = report
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self.__class__._registry[name] = self
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def __unicode__(self):
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return unicode(self.value)
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def __str__(self):
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return str(self.value)
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Dependency = namedtuple('Dependency', 'name, version, standard')
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class VirtualEnv(object):
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def extract_dependency(self, string):
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string = str(string.strip())
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try:
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package, version = string.split('==')
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except ValueError:
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# item is not installed from package, svn/git maybe
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try:
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version, package = string.split('=')
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except:
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# has no version number
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return Dependency(string, version=None, standard=True)
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else:
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version = version.split('#')[0].split(' ')[1] # Get rid of '#egg' and '-e'
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return Dependency(package, version, standard=False)
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else:
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return Dependency(package, version, standard=True)
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def get_packages_info(self, requirements_file=None):
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for item in pip('freeze').splitlines():
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yield self.extract_dependency(item)
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def __init__(self):
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if not PIP:
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raise PIPNotFound
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def get_results(self):
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requirements = {}
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installed_packages = {}
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for item in self.get_packages_info():
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requirements[item.name] = item
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for item in self.get_packages_info():
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installed_packages[item.name] = item
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for name, item in requirements.items():
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try:
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if item.standard:
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if item.version:
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if item.version == installed_packages[name].version:
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status = item.version
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else:
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status = installed_packages[name].version
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else:
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status = None
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else:
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# Non standard version number, check SVN or GIT path
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if item.version == installed_packages['%s-dev' % name.replace('-', '_')].version:
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status = item.version
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else:
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status = installed_packages['%s-dev' % name.replace('-', '_')].version
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except KeyError:
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# Not installed package found matching with name matchin requirement
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status = False
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yield name, item.version, status
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