#----------------------------------------------------------------------------- # Copyright (c) 2005-2022, PyInstaller Development Team. # # Distributed under the terms of the GNU General Public License (version 2 # or later) with exception for distributing the bootloader. # # The full license is in the file COPYING.txt, distributed with this software. # # SPDX-License-Identifier: (GPL-2.0-or-later WITH Bootloader-exception) #----------------------------------------------------------------------------- import os from PyInstaller import log as logging from PyInstaller.building.utils import _check_guts_eq from PyInstaller.utils import misc logger = logging.getLogger(__name__) def unique_name(entry): """ Return the filename used to enforce uniqueness for the given TOC entry. Parameters ---------- entry : tuple Returns ------- unique_name: str """ name, path, typecode = entry if typecode in ('BINARY', 'DATA'): name = os.path.normcase(name) return name class TOC(list): # TODO: simplify the representation and use directly Modulegraph objects. """ TOC (Table of Contents) class is a list of tuples of the form (name, path, typecode). typecode name path description -------------------------------------------------------------------------------------- EXTENSION Python internal name. Full path name in build. Extension module. PYSOURCE Python internal name. Full path name in build. Script. PYMODULE Python internal name. Full path name in build. Pure Python module (including __init__ modules). PYZ Runtime name. Full path name in build. A .pyz archive (ZlibArchive data structure). PKG Runtime name. Full path name in build. A .pkg archive (Carchive data structure). BINARY Runtime name. Full path name in build. Shared library. DATA Runtime name. Full path name in build. Arbitrary files. OPTION The option. Unused. Python runtime option (frozen into executable). A TOC contains various types of files. A TOC contains no duplicates and preserves order. PyInstaller uses TOC data type to collect necessary files bundle them into an executable. """ def __init__(self, initlist=None): super().__init__() self.filenames = set() if initlist: for entry in initlist: self.append(entry) def append(self, entry): if not isinstance(entry, tuple): logger.info("TOC found a %s, not a tuple", entry) raise TypeError("Expected tuple, not %s." % type(entry).__name__) unique = unique_name(entry) if unique not in self.filenames: self.filenames.add(unique) super().append(entry) def insert(self, pos, entry): if not isinstance(entry, tuple): logger.info("TOC found a %s, not a tuple", entry) raise TypeError("Expected tuple, not %s." % type(entry).__name__) unique = unique_name(entry) if unique not in self.filenames: self.filenames.add(unique) super().insert(pos, entry) def __add__(self, other): result = TOC(self) result.extend(other) return result def __radd__(self, other): result = TOC(other) result.extend(self) return result def __iadd__(self, other): for entry in other: self.append(entry) return self def extend(self, other): # TODO: look if this can be done more efficient with out the loop, e.g. by not using a list as base at all. for entry in other: self.append(entry) def __sub__(self, other): # Construct new TOC with entries not contained in the other TOC other = TOC(other) return TOC([entry for entry in self if unique_name(entry) not in other.filenames]) def __rsub__(self, other): result = TOC(other) return result.__sub__(self) def __setitem__(self, key, value): if isinstance(key, slice): if key == slice(None, None, None): # special case: set the entire list self.filenames = set() self.clear() self.extend(value) return else: raise KeyError("TOC.__setitem__ doesn't handle slices") else: old_value = self[key] old_name = unique_name(old_value) self.filenames.remove(old_name) new_name = unique_name(value) if new_name not in self.filenames: self.filenames.add(new_name) super(TOC, self).__setitem__(key, value) class Target: invcnum = 0 def __init__(self): from PyInstaller.config import CONF # Get a (per class) unique number to avoid conflicts between toc objects self.invcnum = self.__class__.invcnum self.__class__.invcnum += 1 self.tocfilename = os.path.join(CONF['workpath'], '%s-%02d.toc' % (self.__class__.__name__, self.invcnum)) self.tocbasename = os.path.basename(self.tocfilename) self.dependencies = TOC() def __postinit__(self): """ Check if the target need to be rebuild and if so, re-assemble. `__postinit__` is to be called at the end of `__init__` of every subclass of Target. `__init__` is meant to setup the parameters and `__postinit__` is checking if rebuild is required and in case calls `assemble()` """ logger.info("checking %s", self.__class__.__name__) data = None last_build = misc.mtime(self.tocfilename) if last_build == 0: logger.info("Building %s because %s is non existent", self.__class__.__name__, self.tocbasename) else: try: data = misc.load_py_data_struct(self.tocfilename) except Exception: logger.info("Building because %s is bad", self.tocbasename) else: # create a dict for easier access data = dict(zip((g[0] for g in self._GUTS), data)) # assemble if previous data was not found or is outdated if not data or self._check_guts(data, last_build): self.assemble() self._save_guts() _GUTS = [] def _check_guts(self, data, last_build): """ Returns True if rebuild/assemble is required. """ if len(data) != len(self._GUTS): logger.info("Building because %s is bad", self.tocbasename) return True for attr, func in self._GUTS: if func is None: # no check for this value continue if func(attr, data[attr], getattr(self, attr), last_build): return True return False def _save_guts(self): """ Save the input parameters and the work-product of this run to maybe avoid regenerating it later. """ data = tuple(getattr(self, g[0]) for g in self._GUTS) misc.save_py_data_struct(self.tocfilename, data) class Tree(Target, TOC): """ This class is a way of creating a TOC (Table of Contents) that describes some or all of the files within a directory. """ def __init__(self, root=None, prefix=None, excludes=None, typecode='DATA'): """ root The root of the tree (on the build system). prefix Optional prefix to the names of the target system. excludes A list of names to exclude. Two forms are allowed: name Files with this basename will be excluded (do not include the path). *.ext Any file with the given extension will be excluded. typecode The typecode to be used for all files found in this tree. See the TOC class for for information about the typcodes. """ Target.__init__(self) TOC.__init__(self) self.root = root self.prefix = prefix self.excludes = excludes self.typecode = typecode if excludes is None: self.excludes = [] self.__postinit__() _GUTS = ( # input parameters ('root', _check_guts_eq), ('prefix', _check_guts_eq), ('excludes', _check_guts_eq), ('typecode', _check_guts_eq), ('data', None), # tested below # no calculated/analysed values ) def _check_guts(self, data, last_build): if Target._check_guts(self, data, last_build): return True # Walk the collected directories as check if they have been changed - which means files have been added or # removed. There is no need to check for the files, since `Tree` is only about the directory contents (which is # the list of files). stack = [data['root']] while stack: d = stack.pop() if misc.mtime(d) > last_build: logger.info("Building %s because directory %s changed", self.tocbasename, d) return True for nm in os.listdir(d): path = os.path.join(d, nm) if os.path.isdir(path): stack.append(path) self[:] = data['data'] # collected files return False def _save_guts(self): # Use the attribute `data` to save the list self.data = self super()._save_guts() del self.data def assemble(self): logger.info("Building Tree %s", self.tocbasename) stack = [(self.root, self.prefix)] excludes = set() xexcludes = set() for name in self.excludes: if name.startswith('*'): xexcludes.add(name[1:]) else: excludes.add(name) result = [] while stack: dir, prefix = stack.pop() for filename in os.listdir(dir): if filename in excludes: continue ext = os.path.splitext(filename)[1] if ext in xexcludes: continue fullfilename = os.path.join(dir, filename) if prefix: resfilename = os.path.join(prefix, filename) else: resfilename = filename if os.path.isdir(fullfilename): stack.append((fullfilename, resfilename)) else: result.append((resfilename, fullfilename, self.typecode)) self[:] = result