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