Guido van Rossum | 75dc496 | 1998-03-05 03:42:00 +0000 | [diff] [blame] | 1 | """Find modules used by a script, using introspection.""" |
| 2 | |
| 3 | import dis |
| 4 | import imp |
| 5 | import marshal |
| 6 | import os |
| 7 | import re |
Guido van Rossum | 75dc496 | 1998-03-05 03:42:00 +0000 | [diff] [blame] | 8 | import sys |
Guido van Rossum | 6b767ac | 2001-03-20 20:43:34 +0000 | [diff] [blame] | 9 | import new |
Guido van Rossum | 75dc496 | 1998-03-05 03:42:00 +0000 | [diff] [blame] | 10 | |
Guido van Rossum | 75dc496 | 1998-03-05 03:42:00 +0000 | [diff] [blame] | 11 | IMPORT_NAME = dis.opname.index('IMPORT_NAME') |
| 12 | IMPORT_FROM = dis.opname.index('IMPORT_FROM') |
Guido van Rossum | 8999053 | 2000-09-15 16:37:42 +0000 | [diff] [blame] | 13 | STORE_NAME = dis.opname.index('STORE_NAME') |
| 14 | STORE_FAST = dis.opname.index('STORE_FAST') |
| 15 | STORE_GLOBAL = dis.opname.index('STORE_GLOBAL') |
| 16 | STORE_OPS = [STORE_NAME, STORE_FAST, STORE_GLOBAL] |
Guido van Rossum | 75dc496 | 1998-03-05 03:42:00 +0000 | [diff] [blame] | 17 | |
Guido van Rossum | f1b5a0e | 1998-05-18 20:21:56 +0000 | [diff] [blame] | 18 | # Modulefinder does a good job at simulating Python's, but it can not |
| 19 | # handle __path__ modifications packages make at runtime. Therefore there |
| 20 | # is a mechanism whereby you can register extra paths in this map for a |
Thomas Wouters | 7e47402 | 2000-07-16 12:04:32 +0000 | [diff] [blame] | 21 | # package, and it will be honored. |
Guido van Rossum | f1b5a0e | 1998-05-18 20:21:56 +0000 | [diff] [blame] | 22 | |
| 23 | # Note this is a mapping is lists of paths. |
| 24 | packagePathMap = {} |
| 25 | |
| 26 | # A Public interface |
| 27 | def AddPackagePath(packagename, path): |
Guido van Rossum | e7e632a | 1998-09-14 16:02:28 +0000 | [diff] [blame] | 28 | paths = packagePathMap.get(packagename, []) |
| 29 | paths.append(path) |
| 30 | packagePathMap[packagename] = paths |
Guido van Rossum | 75dc496 | 1998-03-05 03:42:00 +0000 | [diff] [blame] | 31 | |
Thomas Heller | c7aaf95 | 2002-11-14 18:45:11 +0000 | [diff] [blame^] | 32 | replacePackageMap = {} |
| 33 | |
| 34 | # This ReplacePackage mechanism allows modulefinder to work around the |
| 35 | # way the _xmlplus package injects itself under the name "xml" into |
| 36 | # sys.modules at runtime by calling ReplacePackage("_xmlplus", "xml") |
| 37 | # before running ModuleFinder. |
| 38 | |
| 39 | def ReplacePackage(oldname, newname): |
| 40 | replacePackageMap[oldname] = newname |
| 41 | |
| 42 | |
Guido van Rossum | 75dc496 | 1998-03-05 03:42:00 +0000 | [diff] [blame] | 43 | class Module: |
| 44 | |
| 45 | def __init__(self, name, file=None, path=None): |
Guido van Rossum | 912a14c | 1998-03-05 04:56:37 +0000 | [diff] [blame] | 46 | self.__name__ = name |
| 47 | self.__file__ = file |
| 48 | self.__path__ = path |
| 49 | self.__code__ = None |
Guido van Rossum | 75dc496 | 1998-03-05 03:42:00 +0000 | [diff] [blame] | 50 | |
| 51 | def __repr__(self): |
Guido van Rossum | 912a14c | 1998-03-05 04:56:37 +0000 | [diff] [blame] | 52 | s = "Module(%s" % `self.__name__` |
| 53 | if self.__file__ is not None: |
| 54 | s = s + ", %s" % `self.__file__` |
| 55 | if self.__path__ is not None: |
| 56 | s = s + ", %s" % `self.__path__` |
| 57 | s = s + ")" |
| 58 | return s |
Guido van Rossum | 75dc496 | 1998-03-05 03:42:00 +0000 | [diff] [blame] | 59 | |
Mark Hammond | 773c83b | 2001-09-05 23:42:36 +0000 | [diff] [blame] | 60 | _warned = 0 |
| 61 | |
| 62 | def _try_registry(name): |
| 63 | # Emulate the Registered Module support on Windows. |
| 64 | try: |
| 65 | import _winreg |
| 66 | RegQueryValue = _winreg.QueryValue |
| 67 | HKLM = _winreg.HKEY_LOCAL_MACHINE |
| 68 | exception = _winreg.error |
| 69 | except ImportError: |
| 70 | try: |
| 71 | import win32api |
| 72 | RegQueryValue = win32api.RegQueryValue |
| 73 | HKLM = 0x80000002 # HKEY_LOCAL_MACHINE |
| 74 | exception = win32api.error |
| 75 | except ImportError: |
| 76 | global _warned |
| 77 | if not _warned: |
| 78 | _warned = 1 |
| 79 | print "Warning: Neither _winreg nor win32api is available - modules" |
| 80 | print "listed in the registry will not be found" |
| 81 | return None |
| 82 | try: |
| 83 | pathname = RegQueryValue(HKLM, \ |
| 84 | r"Software\Python\PythonCore\%s\Modules\%s" % (sys.winver, name)) |
| 85 | fp = open(pathname, "rb") |
| 86 | except exception: |
| 87 | return None |
| 88 | else: |
| 89 | # XXX - To do - remove the hard code of C_EXTENSION. |
| 90 | stuff = "", "rb", imp.C_EXTENSION |
| 91 | return fp, pathname, stuff |
Guido van Rossum | 75dc496 | 1998-03-05 03:42:00 +0000 | [diff] [blame] | 92 | |
| 93 | class ModuleFinder: |
| 94 | |
Guido van Rossum | 6b767ac | 2001-03-20 20:43:34 +0000 | [diff] [blame] | 95 | def __init__(self, path=None, debug=0, excludes = [], replace_paths = []): |
Guido van Rossum | 912a14c | 1998-03-05 04:56:37 +0000 | [diff] [blame] | 96 | if path is None: |
| 97 | path = sys.path |
| 98 | self.path = path |
| 99 | self.modules = {} |
| 100 | self.badmodules = {} |
| 101 | self.debug = debug |
| 102 | self.indent = 0 |
Guido van Rossum | 78fc363 | 1998-03-20 17:37:24 +0000 | [diff] [blame] | 103 | self.excludes = excludes |
Guido van Rossum | 6b767ac | 2001-03-20 20:43:34 +0000 | [diff] [blame] | 104 | self.replace_paths = replace_paths |
| 105 | self.processed_paths = [] # Used in debugging only |
Guido van Rossum | 75dc496 | 1998-03-05 03:42:00 +0000 | [diff] [blame] | 106 | |
| 107 | def msg(self, level, str, *args): |
Guido van Rossum | 912a14c | 1998-03-05 04:56:37 +0000 | [diff] [blame] | 108 | if level <= self.debug: |
| 109 | for i in range(self.indent): |
| 110 | print " ", |
| 111 | print str, |
| 112 | for arg in args: |
| 113 | print repr(arg), |
| 114 | print |
Guido van Rossum | 75dc496 | 1998-03-05 03:42:00 +0000 | [diff] [blame] | 115 | |
| 116 | def msgin(self, *args): |
Guido van Rossum | 912a14c | 1998-03-05 04:56:37 +0000 | [diff] [blame] | 117 | level = args[0] |
| 118 | if level <= self.debug: |
| 119 | self.indent = self.indent + 1 |
| 120 | apply(self.msg, args) |
Guido van Rossum | 75dc496 | 1998-03-05 03:42:00 +0000 | [diff] [blame] | 121 | |
| 122 | def msgout(self, *args): |
Guido van Rossum | 912a14c | 1998-03-05 04:56:37 +0000 | [diff] [blame] | 123 | level = args[0] |
| 124 | if level <= self.debug: |
| 125 | self.indent = self.indent - 1 |
| 126 | apply(self.msg, args) |
Guido van Rossum | 75dc496 | 1998-03-05 03:42:00 +0000 | [diff] [blame] | 127 | |
| 128 | def run_script(self, pathname): |
Guido van Rossum | 912a14c | 1998-03-05 04:56:37 +0000 | [diff] [blame] | 129 | self.msg(2, "run_script", pathname) |
Neal Norwitz | 74416af | 2002-11-12 23:21:15 +0000 | [diff] [blame] | 130 | fp = open(pathname, "U") |
Guido van Rossum | 912a14c | 1998-03-05 04:56:37 +0000 | [diff] [blame] | 131 | stuff = ("", "r", imp.PY_SOURCE) |
| 132 | self.load_module('__main__', fp, pathname, stuff) |
Guido van Rossum | 75dc496 | 1998-03-05 03:42:00 +0000 | [diff] [blame] | 133 | |
| 134 | def load_file(self, pathname): |
Guido van Rossum | 912a14c | 1998-03-05 04:56:37 +0000 | [diff] [blame] | 135 | dir, name = os.path.split(pathname) |
| 136 | name, ext = os.path.splitext(name) |
Neal Norwitz | 74416af | 2002-11-12 23:21:15 +0000 | [diff] [blame] | 137 | fp = open(pathname, "U") |
Guido van Rossum | 912a14c | 1998-03-05 04:56:37 +0000 | [diff] [blame] | 138 | stuff = (ext, "r", imp.PY_SOURCE) |
| 139 | self.load_module(name, fp, pathname, stuff) |
Guido van Rossum | 75dc496 | 1998-03-05 03:42:00 +0000 | [diff] [blame] | 140 | |
| 141 | def import_hook(self, name, caller=None, fromlist=None): |
Guido van Rossum | 912a14c | 1998-03-05 04:56:37 +0000 | [diff] [blame] | 142 | self.msg(3, "import_hook", name, caller, fromlist) |
| 143 | parent = self.determine_parent(caller) |
| 144 | q, tail = self.find_head_package(parent, name) |
| 145 | m = self.load_tail(q, tail) |
| 146 | if not fromlist: |
| 147 | return q |
| 148 | if m.__path__: |
| 149 | self.ensure_fromlist(m, fromlist) |
Guido van Rossum | 75dc496 | 1998-03-05 03:42:00 +0000 | [diff] [blame] | 150 | |
| 151 | def determine_parent(self, caller): |
Guido van Rossum | 912a14c | 1998-03-05 04:56:37 +0000 | [diff] [blame] | 152 | self.msgin(4, "determine_parent", caller) |
| 153 | if not caller: |
| 154 | self.msgout(4, "determine_parent -> None") |
| 155 | return None |
| 156 | pname = caller.__name__ |
| 157 | if caller.__path__: |
| 158 | parent = self.modules[pname] |
| 159 | assert caller is parent |
| 160 | self.msgout(4, "determine_parent ->", parent) |
| 161 | return parent |
| 162 | if '.' in pname: |
Walter Dörwald | aaab30e | 2002-09-11 20:36:02 +0000 | [diff] [blame] | 163 | i = pname.rfind('.') |
Guido van Rossum | 912a14c | 1998-03-05 04:56:37 +0000 | [diff] [blame] | 164 | pname = pname[:i] |
| 165 | parent = self.modules[pname] |
| 166 | assert parent.__name__ == pname |
| 167 | self.msgout(4, "determine_parent ->", parent) |
| 168 | return parent |
| 169 | self.msgout(4, "determine_parent -> None") |
| 170 | return None |
Guido van Rossum | 75dc496 | 1998-03-05 03:42:00 +0000 | [diff] [blame] | 171 | |
| 172 | def find_head_package(self, parent, name): |
Guido van Rossum | 912a14c | 1998-03-05 04:56:37 +0000 | [diff] [blame] | 173 | self.msgin(4, "find_head_package", parent, name) |
| 174 | if '.' in name: |
Walter Dörwald | aaab30e | 2002-09-11 20:36:02 +0000 | [diff] [blame] | 175 | i = name.find('.') |
Guido van Rossum | 912a14c | 1998-03-05 04:56:37 +0000 | [diff] [blame] | 176 | head = name[:i] |
| 177 | tail = name[i+1:] |
| 178 | else: |
| 179 | head = name |
| 180 | tail = "" |
| 181 | if parent: |
| 182 | qname = "%s.%s" % (parent.__name__, head) |
| 183 | else: |
| 184 | qname = head |
| 185 | q = self.import_module(head, qname, parent) |
| 186 | if q: |
| 187 | self.msgout(4, "find_head_package ->", (q, tail)) |
| 188 | return q, tail |
| 189 | if parent: |
| 190 | qname = head |
| 191 | parent = None |
| 192 | q = self.import_module(head, qname, parent) |
| 193 | if q: |
| 194 | self.msgout(4, "find_head_package ->", (q, tail)) |
| 195 | return q, tail |
| 196 | self.msgout(4, "raise ImportError: No module named", qname) |
| 197 | raise ImportError, "No module named " + qname |
Guido van Rossum | 75dc496 | 1998-03-05 03:42:00 +0000 | [diff] [blame] | 198 | |
| 199 | def load_tail(self, q, tail): |
Guido van Rossum | 912a14c | 1998-03-05 04:56:37 +0000 | [diff] [blame] | 200 | self.msgin(4, "load_tail", q, tail) |
| 201 | m = q |
| 202 | while tail: |
Walter Dörwald | aaab30e | 2002-09-11 20:36:02 +0000 | [diff] [blame] | 203 | i = tail.find('.') |
Guido van Rossum | 912a14c | 1998-03-05 04:56:37 +0000 | [diff] [blame] | 204 | if i < 0: i = len(tail) |
| 205 | head, tail = tail[:i], tail[i+1:] |
| 206 | mname = "%s.%s" % (m.__name__, head) |
| 207 | m = self.import_module(head, mname, m) |
| 208 | if not m: |
| 209 | self.msgout(4, "raise ImportError: No module named", mname) |
| 210 | raise ImportError, "No module named " + mname |
| 211 | self.msgout(4, "load_tail ->", m) |
| 212 | return m |
Guido van Rossum | 75dc496 | 1998-03-05 03:42:00 +0000 | [diff] [blame] | 213 | |
| 214 | def ensure_fromlist(self, m, fromlist, recursive=0): |
Guido van Rossum | 912a14c | 1998-03-05 04:56:37 +0000 | [diff] [blame] | 215 | self.msg(4, "ensure_fromlist", m, fromlist, recursive) |
| 216 | for sub in fromlist: |
| 217 | if sub == "*": |
| 218 | if not recursive: |
| 219 | all = self.find_all_submodules(m) |
| 220 | if all: |
| 221 | self.ensure_fromlist(m, all, 1) |
| 222 | elif not hasattr(m, sub): |
| 223 | subname = "%s.%s" % (m.__name__, sub) |
| 224 | submod = self.import_module(sub, subname, m) |
| 225 | if not submod: |
| 226 | raise ImportError, "No module named " + subname |
Guido van Rossum | 75dc496 | 1998-03-05 03:42:00 +0000 | [diff] [blame] | 227 | |
| 228 | def find_all_submodules(self, m): |
Guido van Rossum | 912a14c | 1998-03-05 04:56:37 +0000 | [diff] [blame] | 229 | if not m.__path__: |
| 230 | return |
| 231 | modules = {} |
| 232 | suffixes = [".py", ".pyc", ".pyo"] |
| 233 | for dir in m.__path__: |
| 234 | try: |
| 235 | names = os.listdir(dir) |
| 236 | except os.error: |
| 237 | self.msg(2, "can't list directory", dir) |
| 238 | continue |
| 239 | for name in names: |
| 240 | mod = None |
| 241 | for suff in suffixes: |
| 242 | n = len(suff) |
| 243 | if name[-n:] == suff: |
| 244 | mod = name[:-n] |
| 245 | break |
| 246 | if mod and mod != "__init__": |
| 247 | modules[mod] = mod |
| 248 | return modules.keys() |
Guido van Rossum | 75dc496 | 1998-03-05 03:42:00 +0000 | [diff] [blame] | 249 | |
| 250 | def import_module(self, partname, fqname, parent): |
Guido van Rossum | 912a14c | 1998-03-05 04:56:37 +0000 | [diff] [blame] | 251 | self.msgin(3, "import_module", partname, fqname, parent) |
| 252 | try: |
| 253 | m = self.modules[fqname] |
| 254 | except KeyError: |
| 255 | pass |
| 256 | else: |
| 257 | self.msgout(3, "import_module ->", m) |
| 258 | return m |
| 259 | if self.badmodules.has_key(fqname): |
| 260 | self.msgout(3, "import_module -> None") |
Guido van Rossum | 8b4b46e | 1999-11-02 15:46:44 +0000 | [diff] [blame] | 261 | if parent: |
| 262 | self.badmodules[fqname][parent.__name__] = None |
Guido van Rossum | 912a14c | 1998-03-05 04:56:37 +0000 | [diff] [blame] | 263 | return None |
| 264 | try: |
| 265 | fp, pathname, stuff = self.find_module(partname, |
| 266 | parent and parent.__path__) |
| 267 | except ImportError: |
| 268 | self.msgout(3, "import_module ->", None) |
| 269 | return None |
| 270 | try: |
| 271 | m = self.load_module(fqname, fp, pathname, stuff) |
| 272 | finally: |
| 273 | if fp: fp.close() |
| 274 | if parent: |
| 275 | setattr(parent, partname, m) |
| 276 | self.msgout(3, "import_module ->", m) |
| 277 | return m |
Guido van Rossum | 75dc496 | 1998-03-05 03:42:00 +0000 | [diff] [blame] | 278 | |
| 279 | def load_module(self, fqname, fp, pathname, (suffix, mode, type)): |
Guido van Rossum | 912a14c | 1998-03-05 04:56:37 +0000 | [diff] [blame] | 280 | self.msgin(2, "load_module", fqname, fp and "fp", pathname) |
| 281 | if type == imp.PKG_DIRECTORY: |
| 282 | m = self.load_package(fqname, pathname) |
| 283 | self.msgout(2, "load_module ->", m) |
| 284 | return m |
| 285 | if type == imp.PY_SOURCE: |
Guido van Rossum | 78fc363 | 1998-03-20 17:37:24 +0000 | [diff] [blame] | 286 | co = compile(fp.read()+'\n', pathname, 'exec') |
Guido van Rossum | 912a14c | 1998-03-05 04:56:37 +0000 | [diff] [blame] | 287 | elif type == imp.PY_COMPILED: |
| 288 | if fp.read(4) != imp.get_magic(): |
| 289 | self.msgout(2, "raise ImportError: Bad magic number", pathname) |
Guido van Rossum | ce33eb3 | 2000-05-02 13:49:13 +0000 | [diff] [blame] | 290 | raise ImportError, "Bad magic number in %s" % pathname |
Guido van Rossum | 912a14c | 1998-03-05 04:56:37 +0000 | [diff] [blame] | 291 | fp.read(4) |
| 292 | co = marshal.load(fp) |
| 293 | else: |
| 294 | co = None |
| 295 | m = self.add_module(fqname) |
Guido van Rossum | ab045f9 | 1998-03-06 19:55:10 +0000 | [diff] [blame] | 296 | m.__file__ = pathname |
Guido van Rossum | 912a14c | 1998-03-05 04:56:37 +0000 | [diff] [blame] | 297 | if co: |
Guido van Rossum | 6b767ac | 2001-03-20 20:43:34 +0000 | [diff] [blame] | 298 | if self.replace_paths: |
| 299 | co = self.replace_paths_in_code(co) |
Guido van Rossum | 912a14c | 1998-03-05 04:56:37 +0000 | [diff] [blame] | 300 | m.__code__ = co |
Guido van Rossum | 3c51cf2 | 1998-03-05 05:15:07 +0000 | [diff] [blame] | 301 | self.scan_code(co, m) |
Guido van Rossum | 912a14c | 1998-03-05 04:56:37 +0000 | [diff] [blame] | 302 | self.msgout(2, "load_module ->", m) |
| 303 | return m |
Guido van Rossum | 75dc496 | 1998-03-05 03:42:00 +0000 | [diff] [blame] | 304 | |
Guido van Rossum | 3c51cf2 | 1998-03-05 05:15:07 +0000 | [diff] [blame] | 305 | def scan_code(self, co, m): |
| 306 | code = co.co_code |
| 307 | n = len(code) |
| 308 | i = 0 |
| 309 | lastname = None |
| 310 | while i < n: |
| 311 | c = code[i] |
| 312 | i = i+1 |
| 313 | op = ord(c) |
| 314 | if op >= dis.HAVE_ARGUMENT: |
| 315 | oparg = ord(code[i]) + ord(code[i+1])*256 |
| 316 | i = i+2 |
| 317 | if op == IMPORT_NAME: |
| 318 | name = lastname = co.co_names[oparg] |
| 319 | if not self.badmodules.has_key(lastname): |
| 320 | try: |
| 321 | self.import_hook(name, m) |
| 322 | except ImportError, msg: |
| 323 | self.msg(2, "ImportError:", str(msg)) |
Guido van Rossum | fdd3028 | 1998-12-22 13:44:01 +0000 | [diff] [blame] | 324 | if not self.badmodules.has_key(name): |
| 325 | self.badmodules[name] = {} |
| 326 | self.badmodules[name][m.__name__] = None |
Guido van Rossum | 3c51cf2 | 1998-03-05 05:15:07 +0000 | [diff] [blame] | 327 | elif op == IMPORT_FROM: |
| 328 | name = co.co_names[oparg] |
| 329 | assert lastname is not None |
| 330 | if not self.badmodules.has_key(lastname): |
| 331 | try: |
| 332 | self.import_hook(lastname, m, [name]) |
| 333 | except ImportError, msg: |
| 334 | self.msg(2, "ImportError:", str(msg)) |
| 335 | fullname = lastname + "." + name |
Guido van Rossum | fdd3028 | 1998-12-22 13:44:01 +0000 | [diff] [blame] | 336 | if not self.badmodules.has_key(fullname): |
| 337 | self.badmodules[fullname] = {} |
| 338 | self.badmodules[fullname][m.__name__] = None |
Guido van Rossum | 8999053 | 2000-09-15 16:37:42 +0000 | [diff] [blame] | 339 | elif op in STORE_OPS: |
| 340 | # Skip; each IMPORT_FROM is followed by a STORE_* opcode |
| 341 | pass |
Guido van Rossum | 3c51cf2 | 1998-03-05 05:15:07 +0000 | [diff] [blame] | 342 | else: |
| 343 | lastname = None |
| 344 | for c in co.co_consts: |
| 345 | if isinstance(c, type(co)): |
| 346 | self.scan_code(c, m) |
| 347 | |
Guido van Rossum | 75dc496 | 1998-03-05 03:42:00 +0000 | [diff] [blame] | 348 | def load_package(self, fqname, pathname): |
Guido van Rossum | 912a14c | 1998-03-05 04:56:37 +0000 | [diff] [blame] | 349 | self.msgin(2, "load_package", fqname, pathname) |
Thomas Heller | c7aaf95 | 2002-11-14 18:45:11 +0000 | [diff] [blame^] | 350 | newname = replacePackageMap.get(fqname) |
| 351 | if newname: |
| 352 | fqname = newname |
Guido van Rossum | 912a14c | 1998-03-05 04:56:37 +0000 | [diff] [blame] | 353 | m = self.add_module(fqname) |
| 354 | m.__file__ = pathname |
| 355 | m.__path__ = [pathname] |
Guido van Rossum | f1b5a0e | 1998-05-18 20:21:56 +0000 | [diff] [blame] | 356 | |
Guido van Rossum | e7e632a | 1998-09-14 16:02:28 +0000 | [diff] [blame] | 357 | # As per comment at top of file, simulate runtime __path__ additions. |
| 358 | m.__path__ = m.__path__ + packagePathMap.get(fqname, []) |
Guido van Rossum | f1b5a0e | 1998-05-18 20:21:56 +0000 | [diff] [blame] | 359 | |
Guido van Rossum | 912a14c | 1998-03-05 04:56:37 +0000 | [diff] [blame] | 360 | fp, buf, stuff = self.find_module("__init__", m.__path__) |
| 361 | self.load_module(fqname, fp, buf, stuff) |
| 362 | self.msgout(2, "load_package ->", m) |
| 363 | return m |
Guido van Rossum | 75dc496 | 1998-03-05 03:42:00 +0000 | [diff] [blame] | 364 | |
| 365 | def add_module(self, fqname): |
Guido van Rossum | 912a14c | 1998-03-05 04:56:37 +0000 | [diff] [blame] | 366 | if self.modules.has_key(fqname): |
| 367 | return self.modules[fqname] |
| 368 | self.modules[fqname] = m = Module(fqname) |
| 369 | return m |
Guido van Rossum | 75dc496 | 1998-03-05 03:42:00 +0000 | [diff] [blame] | 370 | |
| 371 | def find_module(self, name, path): |
Guido van Rossum | 03f7f08 | 2001-10-18 19:15:32 +0000 | [diff] [blame] | 372 | if path: |
Walter Dörwald | aaab30e | 2002-09-11 20:36:02 +0000 | [diff] [blame] | 373 | fullname = '.'.join(path)+'.'+name |
Guido van Rossum | 03f7f08 | 2001-10-18 19:15:32 +0000 | [diff] [blame] | 374 | else: |
| 375 | fullname = name |
| 376 | if fullname in self.excludes: |
| 377 | self.msgout(3, "find_module -> Excluded", fullname) |
Guido van Rossum | 78fc363 | 1998-03-20 17:37:24 +0000 | [diff] [blame] | 378 | raise ImportError, name |
| 379 | |
Guido van Rossum | 912a14c | 1998-03-05 04:56:37 +0000 | [diff] [blame] | 380 | if path is None: |
| 381 | if name in sys.builtin_module_names: |
| 382 | return (None, None, ("", "", imp.C_BUILTIN)) |
Guido van Rossum | 78fc363 | 1998-03-20 17:37:24 +0000 | [diff] [blame] | 383 | |
Mark Hammond | d3d7bb1 | 2000-11-06 02:49:27 +0000 | [diff] [blame] | 384 | if sys.platform=="win32": |
Mark Hammond | 773c83b | 2001-09-05 23:42:36 +0000 | [diff] [blame] | 385 | result = _try_registry(name) |
| 386 | if result: |
| 387 | return result |
| 388 | |
Guido van Rossum | 912a14c | 1998-03-05 04:56:37 +0000 | [diff] [blame] | 389 | path = self.path |
| 390 | return imp.find_module(name, path) |
Guido van Rossum | 75dc496 | 1998-03-05 03:42:00 +0000 | [diff] [blame] | 391 | |
| 392 | def report(self): |
Guido van Rossum | 912a14c | 1998-03-05 04:56:37 +0000 | [diff] [blame] | 393 | print |
| 394 | print " %-25s %s" % ("Name", "File") |
| 395 | print " %-25s %s" % ("----", "----") |
| 396 | # Print modules found |
| 397 | keys = self.modules.keys() |
| 398 | keys.sort() |
| 399 | for key in keys: |
| 400 | m = self.modules[key] |
| 401 | if m.__path__: |
| 402 | print "P", |
| 403 | else: |
| 404 | print "m", |
| 405 | print "%-25s" % key, m.__file__ or "" |
Guido van Rossum | 75dc496 | 1998-03-05 03:42:00 +0000 | [diff] [blame] | 406 | |
Guido van Rossum | 912a14c | 1998-03-05 04:56:37 +0000 | [diff] [blame] | 407 | # Print missing modules |
| 408 | keys = self.badmodules.keys() |
| 409 | keys.sort() |
| 410 | for key in keys: |
Thomas Wouters | 7e47402 | 2000-07-16 12:04:32 +0000 | [diff] [blame] | 411 | # ... but not if they were explicitly excluded. |
Guido van Rossum | baf0603 | 1998-08-25 14:06:55 +0000 | [diff] [blame] | 412 | if key not in self.excludes: |
Guido van Rossum | 38b92eb | 1998-12-15 15:35:23 +0000 | [diff] [blame] | 413 | mods = self.badmodules[key].keys() |
| 414 | mods.sort() |
Walter Dörwald | aaab30e | 2002-09-11 20:36:02 +0000 | [diff] [blame] | 415 | print "?", key, "from", ', '.join(mods) |
Guido van Rossum | 75dc496 | 1998-03-05 03:42:00 +0000 | [diff] [blame] | 416 | |
Guido van Rossum | 03f7f08 | 2001-10-18 19:15:32 +0000 | [diff] [blame] | 417 | def any_missing(self): |
| 418 | keys = self.badmodules.keys() |
| 419 | missing = [] |
| 420 | for key in keys: |
| 421 | if key not in self.excludes: |
| 422 | # Missing, and its not supposed to be |
| 423 | missing.append(key) |
| 424 | return missing |
| 425 | |
Guido van Rossum | 6b767ac | 2001-03-20 20:43:34 +0000 | [diff] [blame] | 426 | def replace_paths_in_code(self, co): |
| 427 | new_filename = original_filename = os.path.normpath(co.co_filename) |
| 428 | for f,r in self.replace_paths: |
| 429 | if original_filename.startswith(f): |
| 430 | new_filename = r+original_filename[len(f):] |
| 431 | break |
| 432 | |
| 433 | if self.debug and original_filename not in self.processed_paths: |
| 434 | if new_filename!=original_filename: |
| 435 | self.msgout(2, "co_filename %r changed to %r" \ |
| 436 | % (original_filename,new_filename,)) |
| 437 | else: |
| 438 | self.msgout(2, "co_filename %r remains unchanged" \ |
| 439 | % (original_filename,)) |
| 440 | self.processed_paths.append(original_filename) |
| 441 | |
| 442 | consts = list(co.co_consts) |
| 443 | for i in range(len(consts)): |
| 444 | if isinstance(consts[i], type(co)): |
| 445 | consts[i] = self.replace_paths_in_code(consts[i]) |
| 446 | |
| 447 | return new.code(co.co_argcount, co.co_nlocals, co.co_stacksize, |
| 448 | co.co_flags, co.co_code, tuple(consts), co.co_names, |
| 449 | co.co_varnames, new_filename, co.co_name, |
Neal Norwitz | 82c7231 | 2002-11-12 23:09:12 +0000 | [diff] [blame] | 450 | co.co_firstlineno, co.co_lnotab, |
| 451 | co.co_freevars, co.co_cellvars) |
Guido van Rossum | 6b767ac | 2001-03-20 20:43:34 +0000 | [diff] [blame] | 452 | |
Guido van Rossum | 75dc496 | 1998-03-05 03:42:00 +0000 | [diff] [blame] | 453 | |
| 454 | def test(): |
| 455 | # Parse command line |
| 456 | import getopt |
| 457 | try: |
Guido van Rossum | baf0603 | 1998-08-25 14:06:55 +0000 | [diff] [blame] | 458 | opts, args = getopt.getopt(sys.argv[1:], "dmp:qx:") |
Guido van Rossum | 75dc496 | 1998-03-05 03:42:00 +0000 | [diff] [blame] | 459 | except getopt.error, msg: |
Guido van Rossum | 912a14c | 1998-03-05 04:56:37 +0000 | [diff] [blame] | 460 | print msg |
| 461 | return |
Guido van Rossum | 75dc496 | 1998-03-05 03:42:00 +0000 | [diff] [blame] | 462 | |
| 463 | # Process options |
| 464 | debug = 1 |
| 465 | domods = 0 |
| 466 | addpath = [] |
Guido van Rossum | baf0603 | 1998-08-25 14:06:55 +0000 | [diff] [blame] | 467 | exclude = [] |
Guido van Rossum | 75dc496 | 1998-03-05 03:42:00 +0000 | [diff] [blame] | 468 | for o, a in opts: |
Guido van Rossum | 912a14c | 1998-03-05 04:56:37 +0000 | [diff] [blame] | 469 | if o == '-d': |
| 470 | debug = debug + 1 |
| 471 | if o == '-m': |
| 472 | domods = 1 |
| 473 | if o == '-p': |
Walter Dörwald | aaab30e | 2002-09-11 20:36:02 +0000 | [diff] [blame] | 474 | addpath = addpath + a.split(os.pathsep) |
Guido van Rossum | 912a14c | 1998-03-05 04:56:37 +0000 | [diff] [blame] | 475 | if o == '-q': |
| 476 | debug = 0 |
Guido van Rossum | baf0603 | 1998-08-25 14:06:55 +0000 | [diff] [blame] | 477 | if o == '-x': |
| 478 | exclude.append(a) |
Guido van Rossum | 75dc496 | 1998-03-05 03:42:00 +0000 | [diff] [blame] | 479 | |
| 480 | # Provide default arguments |
| 481 | if not args: |
Guido van Rossum | 912a14c | 1998-03-05 04:56:37 +0000 | [diff] [blame] | 482 | script = "hello.py" |
Guido van Rossum | 75dc496 | 1998-03-05 03:42:00 +0000 | [diff] [blame] | 483 | else: |
Guido van Rossum | 912a14c | 1998-03-05 04:56:37 +0000 | [diff] [blame] | 484 | script = args[0] |
Guido van Rossum | 75dc496 | 1998-03-05 03:42:00 +0000 | [diff] [blame] | 485 | |
| 486 | # Set the path based on sys.path and the script directory |
| 487 | path = sys.path[:] |
| 488 | path[0] = os.path.dirname(script) |
| 489 | path = addpath + path |
| 490 | if debug > 1: |
Guido van Rossum | 912a14c | 1998-03-05 04:56:37 +0000 | [diff] [blame] | 491 | print "path:" |
| 492 | for item in path: |
| 493 | print " ", `item` |
Guido van Rossum | 75dc496 | 1998-03-05 03:42:00 +0000 | [diff] [blame] | 494 | |
| 495 | # Create the module finder and turn its crank |
Guido van Rossum | baf0603 | 1998-08-25 14:06:55 +0000 | [diff] [blame] | 496 | mf = ModuleFinder(path, debug, exclude) |
Guido van Rossum | 75dc496 | 1998-03-05 03:42:00 +0000 | [diff] [blame] | 497 | for arg in args[1:]: |
Guido van Rossum | 912a14c | 1998-03-05 04:56:37 +0000 | [diff] [blame] | 498 | if arg == '-m': |
| 499 | domods = 1 |
| 500 | continue |
| 501 | if domods: |
| 502 | if arg[-2:] == '.*': |
| 503 | mf.import_hook(arg[:-2], None, ["*"]) |
| 504 | else: |
| 505 | mf.import_hook(arg) |
Guido van Rossum | 75dc496 | 1998-03-05 03:42:00 +0000 | [diff] [blame] | 506 | else: |
Guido van Rossum | 912a14c | 1998-03-05 04:56:37 +0000 | [diff] [blame] | 507 | mf.load_file(arg) |
Guido van Rossum | 75dc496 | 1998-03-05 03:42:00 +0000 | [diff] [blame] | 508 | mf.run_script(script) |
| 509 | mf.report() |
| 510 | |
| 511 | |
| 512 | if __name__ == '__main__': |
| 513 | try: |
Guido van Rossum | 912a14c | 1998-03-05 04:56:37 +0000 | [diff] [blame] | 514 | test() |
Guido van Rossum | 75dc496 | 1998-03-05 03:42:00 +0000 | [diff] [blame] | 515 | except KeyboardInterrupt: |
Guido van Rossum | 912a14c | 1998-03-05 04:56:37 +0000 | [diff] [blame] | 516 | print "\n[interrupt]" |