/usr/lib/python2.7/dist-packages/scrapy/utils/project.py is in python-scrapy 1.0.3-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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from six.moves import cPickle as pickle
import warnings
from importlib import import_module
from os.path import join, dirname, abspath, isabs, exists
from scrapy.utils.conf import closest_scrapy_cfg, get_config, init_env
from scrapy.settings import Settings
from scrapy.exceptions import NotConfigured
ENVVAR = 'SCRAPY_SETTINGS_MODULE'
DATADIR_CFG_SECTION = 'datadir'
def inside_project():
scrapy_module = os.environ.get('SCRAPY_SETTINGS_MODULE')
if scrapy_module is not None:
try:
import_module(scrapy_module)
except ImportError as exc:
warnings.warn("Cannot import scrapy settings module %s: %s" % (scrapy_module, exc))
else:
return True
return bool(closest_scrapy_cfg())
def project_data_dir(project='default'):
"""Return the current project data dir, creating it if it doesn't exist"""
if not inside_project():
raise NotConfigured("Not inside a project")
cfg = get_config()
if cfg.has_option(DATADIR_CFG_SECTION, project):
d = cfg.get(DATADIR_CFG_SECTION, project)
else:
scrapy_cfg = closest_scrapy_cfg()
if not scrapy_cfg:
raise NotConfigured("Unable to find scrapy.cfg file to infer project data dir")
d = abspath(join(dirname(scrapy_cfg), '.scrapy'))
if not exists(d):
os.makedirs(d)
return d
def data_path(path, createdir=False):
"""If path is relative, return the given path inside the project data dir,
otherwise return the path unmodified
"""
if not isabs(path):
path = join(project_data_dir(), path)
if createdir and not exists(path):
os.makedirs(path)
return path
def get_project_settings():
if ENVVAR not in os.environ:
project = os.environ.get('SCRAPY_PROJECT', 'default')
init_env(project)
settings = Settings()
settings_module_path = os.environ.get(ENVVAR)
if settings_module_path:
settings.setmodule(settings_module_path, priority='project')
# XXX: remove this hack
pickled_settings = os.environ.get("SCRAPY_PICKLED_SETTINGS_TO_OVERRIDE")
if pickled_settings:
settings.setdict(pickle.loads(pickled_settings), priority='project')
# XXX: deprecate and remove this functionality
env_overrides = {k[7:]: v for k, v in os.environ.items() if
k.startswith('SCRAPY_')}
if env_overrides:
settings.setdict(env_overrides, priority='project')
return settings
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