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gluon/import_all.py

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+#!/usr/bin/env python
+
+"""
+This file is part of the web2py Web Framework
+Copyrighted by Massimo Di Pierro <mdipierro@cs.depaul.edu>
+License: LGPLv3 (http://www.gnu.org/licenses/lgpl.html)
+
+This file is not strictly required by web2py. It is used for three purposes:
+
+1) check that all required modules are installed properly
+2) provide py2exe and py2app a list of modules to be packaged in the binary
+3) (optional) preload modules in memory to speed up http responses
+
+"""
+
+import os
+import sys
+
+base_modules = ['aifc', 'anydbm', 'array', 'asynchat', 'asyncore', 'atexit',
+                'audioop', 'base64', 'BaseHTTPServer', 'Bastion', 'binascii',
+                'binhex', 'bisect', 'bz2', 'calendar', 'cgi', 'CGIHTTPServer',
+                'cgitb', 'chunk', 'cmath', 'cmd', 'code', 'codecs', 'codeop',
+                'collections', 'colorsys', 'compileall', 'compiler',
+                'compiler.ast', 'compiler.visitor', 'ConfigParser',
+                'contextlib', 'Cookie', 'cookielib', 'copy', 'copy_reg',
+                'cPickle', 'cProfile', 'cStringIO', 'csv', 'ctypes',
+                'datetime', 'decimal', 'difflib', 'dircache', 'dis',
+                'doctest', 'DocXMLRPCServer', 'dumbdbm', 'dummy_thread',
+                'dummy_threading', 'email', 'email.charset', 'email.encoders',
+                'email.errors', 'email.generator', 'email.header',
+                'email.iterators', 'email.message', 'email.mime',
+                'email.mime.audio', 'email.mime.base', 'email.mime.image',
+                'email.mime.message', 'email.mime.multipart',
+                'email.mime.nonmultipart', 'email.mime.text', 'email.parser',
+                'email.utils', 'encodings.idna', 'errno', 'exceptions',
+                'filecmp', 'fileinput', 'fnmatch', 'formatter', 'fpformat',
+                'ftplib', 'functools', 'gc', 'getopt', 'getpass', 'gettext',
+                'glob', 'gzip', 'hashlib', 'heapq', 'hmac', 'hotshot',
+                'hotshot.stats', 'htmlentitydefs', 'htmllib', 'HTMLParser',
+                'httplib', 'imaplib', 'imghdr', 'imp', 'inspect',
+                'itertools', 'keyword', 'linecache', 'locale', 'logging',
+                'macpath', 'mailbox', 'mailcap', 'marshal', 'math',
+                'mimetools', 'mimetypes', 'mmap', 'modulefinder', 'mutex',
+                'netrc', 'new', 'nntplib', 'operator', 'optparse', 'os',
+                'parser', 'pdb', 'pickle', 'pickletools', 'pkgutil',
+                'platform', 'poplib', 'pprint', 'py_compile', 'pyclbr',
+                'pydoc', 'Queue', 'quopri', 'random', 're', 'repr',
+                'rexec', 'rfc822', 'rlcompleter', 'robotparser', 'runpy',
+                'sched', 'select', 'sgmllib', 'shelve',
+                'shlex', 'shutil', 'signal', 'SimpleHTTPServer',
+                'SimpleXMLRPCServer', 'site', 'smtpd', 'smtplib',
+                'sndhdr', 'socket', 'SocketServer', 'sqlite3',
+                'stat', 'statvfs', 'string', 'StringIO',
+                'stringprep', 'struct', 'subprocess', 'sunau', 'symbol',
+                'tabnanny', 'tarfile', 'telnetlib', 'tempfile', 'textwrap', 'thread', 'threading',
+                'time', 'timeit', 'Tix', 'Tkinter', 'token',
+                'tokenize', 'trace', 'traceback', 'types',
+                'unicodedata', 'unittest', 'urllib', 'urllib2',
+                'urlparse', 'user', 'UserDict', 'UserList', 'UserString',
+                'uu', 'uuid', 'warnings', 'wave', 'weakref', 'webbrowser',
+                'whichdb', 'wsgiref', 'wsgiref.handlers', 'wsgiref.headers',
+                'wsgiref.simple_server', 'wsgiref.util', 'wsgiref.validate',
+                'xdrlib', 'xml.dom', 'xml.dom.minidom', 'xml.dom.pulldom',
+                'xml.etree.ElementTree', 'xml.parsers.expat', 'xml.sax',
+                'xml.sax.handler', 'xml.sax.saxutils', 'xml.sax.xmlreader',
+                'xmlrpclib', 'zipfile', 'zipimport', 'zlib', 'mhlib',
+                'MimeWriter', 'mimify', 'multifile', 'sets']
+
+contributed_modules = []
+for root, dirs, files in os.walk('gluon'):
+    for candidate in ['.'.join(
+      os.path.join(root, os.path.splitext(name)[0]).split(os.sep))
+      for name in files if name.endswith('.py')
+        and root.split(os.sep) != ['gluon', 'tests']
+      ]:
+        contributed_modules.append(candidate)
+
+# Python base version
+python_version = sys.version[:3]
+
+# Modules which we want to raise an Exception if they are missing
+alert_dependency = ['hashlib', 'uuid']
+
+# Now we remove the blacklisted modules if we are using the stated
+# python version.
+#
+# List of modules deprecated in Python 2.6 or 2.7 that are in the above set
+py26_deprecated = ['mhlib', 'multifile', 'mimify', 'sets', 'MimeWriter']
+py27_deprecated = [] # ['optparse'] but we need it for now
+
+if python_version >= '2.6':
+    base_modules += ['json', 'multiprocessing']
+    base_modules = list(set(base_modules).difference(set(py26_deprecated)))
+
+if python_version >= '2.7':
+    base_modules += ['argparse']
+    base_modules = list(set(base_modules).difference(set(py27_deprecated)))
+
+# Now iterate in the base_modules, trying to do the import
+for module in base_modules + contributed_modules:
+    try:
+         __import__(module, globals(), locals(), [])
+    except:
+        # Raise an exception if the current module is a dependency
+        if module in alert_dependency:
+            msg = "Missing dependency: %(module)s\n" % locals()
+            msg += "Try the following command: "
+            msg += "easy_install-%(python_version)s -U %(module)s" % locals()
+            raise ImportError, msg
+
+
+