/usr/lib/python2.7/dist-packages/pylons/util.py is in python-pylons 1.0.1-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 | """Paste Template and Pylons utility functions
PylonsTemplate is a Paste Template sub-class that configures the source
directory and default plug-ins for a new Pylons project. The minimal
template a more minimal template with less additional directories and
layout.
"""
import logging
import sys
import pkg_resources
from paste.deploy.converters import asbool
from paste.script.appinstall import Installer
from paste.script.templates import Template, var
from tempita import paste_script_template_renderer
import pylons
import pylons.configuration
import pylons.i18n
__all__ = ['AttribSafeContextObj', 'ContextObj', 'PylonsContext',
'class_name_from_module_name', 'call_wsgi_application']
log = logging.getLogger(__name__)
def call_wsgi_application(application, environ, catch_exc_info=False):
"""
Call the given WSGI application, returning ``(status_string,
headerlist, app_iter)``
Be sure to call ``app_iter.close()`` if it's there.
If catch_exc_info is true, then returns ``(status_string,
headerlist, app_iter, exc_info)``, where the fourth item may
be None, but won't be if there was an exception. If you don't
do this and there was an exception, the exception will be
raised directly.
"""
captured = []
output = []
def start_response(status, headers, exc_info=None):
if exc_info is not None and not catch_exc_info:
raise exc_info[0], exc_info[1], exc_info[2]
captured[:] = [status, headers, exc_info]
return output.append
app_iter = application(environ, start_response)
if not captured or output:
try:
output.extend(app_iter)
finally:
if hasattr(app_iter, 'close'):
app_iter.close()
app_iter = output
if catch_exc_info:
return (captured[0], captured[1], app_iter, captured[2])
else:
return (captured[0], captured[1], app_iter)
def class_name_from_module_name(module_name):
"""Takes a module name and returns the name of the class it
defines.
If the module name contains dashes, they are replaced with
underscores.
Example::
>>> class_name_from_module_name('with-dashes')
'WithDashes'
>>> class_name_from_module_name('with_underscores')
'WithUnderscores'
>>> class_name_from_module_name('oneword')
'Oneword'
"""
words = module_name.replace('-', '_').split('_')
return ''.join(w.title() for w in words)
class PylonsContext(object):
"""Pylons context object
All the Pylons Stacked Object Proxies are also stored here, for use
in generators and async based operation where the globals can't be
used.
This object is attached in
:class:`~pylons.controllers.core.WSGIController` instances as
:attr:`~WSGIController._py_object`. For example::
class MyController(WSGIController):
def index(self):
pyobj = self._py_object
return "Environ is %s" % pyobj.request.environ
"""
pass
class ContextObj(object):
"""The :term:`tmpl_context` object, with strict attribute access
(raises an Exception when the attribute does not exist)"""
def __repr__(self):
attrs = sorted((name, value)
for name, value in self.__dict__.iteritems()
if not name.startswith('_'))
parts = []
for name, value in attrs:
value_repr = repr(value)
if len(value_repr) > 70:
value_repr = value_repr[:60] + '...' + value_repr[-5:]
parts.append(' %s=%s' % (name, value_repr))
return '<%s.%s at %s%s>' % (
self.__class__.__module__,
self.__class__.__name__,
hex(id(self)),
','.join(parts))
class AttribSafeContextObj(ContextObj):
"""The :term:`tmpl_context` object, with lax attribute access (
returns '' when the attribute does not exist)"""
def __getattr__(self, name):
try:
return object.__getattribute__(self, name)
except AttributeError:
log.debug("No attribute called %s found on c object, returning "
"empty string", name)
return ''
class PylonsTemplate(Template):
_template_dir = ('pylons', 'templates/default_project')
template_renderer = staticmethod(paste_script_template_renderer)
summary = 'Pylons application template'
egg_plugins = ['PasteScript', 'Pylons']
vars = [
var('template_engine', 'mako/genshi/jinja2/etc: Template language',
default='mako'),
var('sqlalchemy', 'True/False: Include SQLAlchemy configuration',
default=False),
]
ensure_names = ['description', 'author', 'author_email', 'url']
def pre(self, command, output_dir, vars):
"""Called before template is applied."""
package_logger = vars['package']
if package_logger == 'root':
# Rename the app logger in the rare case a project is named 'root'
package_logger = 'app'
vars['package_logger'] = package_logger
vars['template_engine'] = 'mako'
template_engine = 'mako'
if template_engine == 'mako':
# Support a Babel extractor default for Mako
vars['babel_templates_extractor'] = \
("('templates/**.mako', 'mako', {'input_encoding': 'utf-8'})"
",\n%s#%s" % (' ' * 4, ' ' * 8))
else:
vars['babel_templates_extractor'] = ''
# Ensure these exist in the namespace
for name in self.ensure_names:
vars.setdefault(name, '')
vars['version'] = vars.get('version', '0.1')
vars['zip_safe'] = asbool(vars.get('zip_safe', 'false'))
vars['sqlalchemy'] = asbool(vars.get('sqlalchemy', 'false'))
class MinimalPylonsTemplate(PylonsTemplate):
_template_dir = ('pylons', 'templates/minimal_project')
summary = 'Pylons minimal application template'
vars = [
var('template_engine', 'mako/genshi/jinja2/etc: Template language',
default='mako'),
]
class LegacyPylonsTemplate(PylonsTemplate):
_template_dir = ('pylons', 'templates/legacy_project')
summary = 'Pylons legacy application template'
vars = [
var('template_engine', 'mako/genshi/jinja2/etc: Template language',
default='mako'),
]
class NewPylonsTemplate(PylonsTemplate):
_template_dir = ('pylons', 'templates/new_project')
summary = 'Pylons "newstyle" application template'
vars = []
class NewMinimalPylonsTemplate(PylonsTemplate):
_template_dir = ('pylons', 'templates/newminimal_project')
summary = 'Pylons "newstyle" minimal application template'
vars = []
class NewSQLAlchemyTemplate(PylonsTemplate):
_template_dir = ('pylons', 'templates/newsqla_project')
summary = 'Pylons "newstyle" SQLAlchemy template'
vars = []
class PylonsInstaller(Installer):
use_cheetah = False
config_file = 'config/deployment.ini_tmpl'
def config_content(self, command, vars):
"""
Called by ``self.write_config``, this returns the text content
for the config file, given the provided variables.
"""
modules = [line.strip()
for line in self.dist.get_metadata_lines('top_level.txt')
if line.strip() and not line.strip().startswith('#')]
if not modules:
print >> sys.stderr, 'No modules are listed in top_level.txt'
print >> sys.stderr, \
'Try running python setup.py egg_info to regenerate that file'
for module in modules:
if pkg_resources.resource_exists(module, self.config_file):
return self.template_renderer(
pkg_resources.resource_string(module, self.config_file),
vars, filename=self.config_file)
# Legacy support for the old location in egg-info
return super(PylonsInstaller, self).config_content(command, vars)
def resolve_dotted(name):
return pkg_resources.EntryPoint.parse('x=%s' % name).load(False)
|