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import os.path, sys
from distutils.command.build_py import build_py as _build_py
from distutils.util import convert_path
from glob import glob
class build_py(_build_py):
"""Enhanced 'build_py' command that includes data files with packages
The data files are specified via a 'package_data' argument to 'setup()'.
See 'setuptools.dist.Distribution' for more details.
Also, this version of the 'build_py' command allows you to specify both
'py_modules' and 'packages' in the same setup operation.
"""
def finalize_options(self):
_build_py.finalize_options(self)
self.package_data = self.distribution.package_data
if 'data_files' in self.__dict__: del self.__dict__['data_files']
def run(self):
"""Build modules, packages, and copy data files to build directory"""
if not self.py_modules and not self.packages:
return
if self.py_modules:
self.build_modules()
if self.packages:
self.build_packages()
self.build_package_data()
# Only compile actual .py files, using our base class' idea of what our
# output files are.
self.byte_compile(_build_py.get_outputs(self, include_bytecode=0))
def __getattr__(self,attr):
if attr=='data_files': # lazily compute data files
self.data_files = files = self._get_data_files(); return files
return _build_py.__getattr__(self,attr)
def _get_data_files(self):
"""Generate list of '(package,src_dir,build_dir,filenames)' tuples"""
self.analyze_manifest()
data = []
for package in self.packages or ():
# Locate package source directory
src_dir = self.get_package_dir(package)
# Compute package build directory
build_dir = os.path.join(*([self.build_lib] + package.split('.')))
# Length of path to strip from found files
plen = len(src_dir)+1
# Strip directory from globbed filenames
filenames = [
file[plen:] for file in self.find_data_files(package, src_dir)
]
data.append( (package, src_dir, build_dir, filenames) )
return data
def find_data_files(self, package, src_dir):
"""Return filenames for package's data files in 'src_dir'"""
globs = (self.package_data.get('', [])
+ self.package_data.get(package, []))
files = self.manifest_files.get(package, [])[:]
for pattern in globs:
# Each pattern has to be converted to a platform-specific path
files.extend(glob(os.path.join(src_dir, convert_path(pattern))))
return files
def build_package_data(self):
"""Copy data files into build directory"""
lastdir = None
for package, src_dir, build_dir, filenames in self.data_files:
for filename in filenames:
target = os.path.join(build_dir, filename)
self.mkpath(os.path.dirname(target))
self.copy_file(os.path.join(src_dir, filename), target)
def analyze_manifest(self):
self.manifest_files = mf = {}
if not self.distribution.include_package_data:
return
src_dirs = {}
for package in self.packages or ():
# Locate package source directory
src_dirs[self.get_package_dir(package)] = package
self.run_command('egg_info')
ei_cmd = self.get_finalized_command('egg_info')
for path in ei_cmd.filelist.files:
if path.endswith('.py'): continue
d,f = os.path.split(path)
while d and d not in src_dirs:
d, df = os.path.split(d)
f = os.path.join(df, f)
if d in src_dirs:
mf.setdefault(src_dirs[d],[]).append(path)
def get_data_files(self): pass # kludge 2.4 for lazy computation
if sys.version<"2.4": # Python 2.4 already has this code
def get_outputs(self, include_bytecode=1):
"""Return complete list of files copied to the build directory
This includes both '.py' files and data files, as well as '.pyc'
and '.pyo' files if 'include_bytecode' is true. (This method is
needed for the 'install_lib' command to do its job properly, and to
generate a correct installation manifest.)
"""
return _build_py.get_outputs(self, include_bytecode) + [
os.path.join(build_dir, filename)
for package, src_dir, build_dir,filenames in self.data_files
for filename in filenames
]
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