def copy_helper(style, app_or_project, name, directory, other_name=''):
"""
Copies either a Django application layout template or a Django project
layout template into the specified directory.
"""
# style -- A color style object (see django.core.management.color).
# app_or_project -- The string 'app' or 'project'.
# name -- The name of the application or project.
# directory -- The directory to which the layout template should be copied.
# other_name -- When copying an application layout, this should be the name
# of the project.
import re
import shutil
other = {'project': 'app', 'app': 'project'}[app_or_project]
if not re.search(r'^[_a-zA-Z]\w*$', name): # If it's not a valid directory name.
# Provide a smart error message, depending on the error.
if not re.search(r'^[_a-zA-Z]', name):
message = 'make sure the name begins with a letter or underscore'
else:
message = 'use only numbers, letters and underscores'
raise CommandError("%r is not a valid %s name. Please %s." % (name, app_or_project, message))
top_dir = os.path.join(directory, name)
try:
os.mkdir(top_dir)
except OSError, e:
raise CommandError(e)
# Determine where the app or project templates are. Use
# django.__path__[0] because we don't know into which directory
# django has been installed.
template_dir = os.path.join(django.__path__[0], 'conf', '%s_template' % app_or_project)
for d, subdirs, files in os.walk(template_dir):
relative_dir = d[len(template_dir)+1:].replace('%s_name' % app_or_project, name)
if relative_dir:
os.mkdir(os.path.join(top_dir, relative_dir))
for subdir in subdirs[:]:
if subdir.startswith('.'):
subdirs.remove(subdir)
for f in files:
if not f.endswith('.py'):
# Ignore .pyc, .pyo, .py.class etc, as they cause various
# breakages.
continue
path_old = os.path.join(d, f)
path_new = os.path.join(top_dir, relative_dir, f.replace('%s_name' % app_or_project, name))
fp_old = open(path_old, 'r')
fp_new = open(path_new, 'w')
fp_new.write(fp_old.read().replace('{{ %s_name }}' % app_or_project, name).replace('{{ %s_name }}' % other, other_name))
fp_old.close()
fp_new.close()
try:
shutil.copymode(path_old, path_new)
_make_writeable(path_new)
except OSError:
sys.stderr.write(style.NOTICE("Notice: Couldn't set permission bits on %s. You're probably using an uncommon filesystem setup. No problem.\n" % path_new))
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