/brz/remove-bazaar

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Viewing changes to cache.py

More performance hacking, introduce sqlite cache, escape characters in commits that break serializers.

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cache.py
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import os
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import bzrlib
 
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import sqlite3
 
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from bzrlib.config import config_dir, ensure_config_dir_exists
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from bzrlib.trace import warning
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def create_cache_dir():
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""")
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    return cache_dir
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def check_pysqlite_version(sqlite3):
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    """Check that sqlite library is compatible.
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    """
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    if (sqlite3.sqlite_version_info[0] < 3 or 
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            (sqlite3.sqlite_version_info[0] == 3 and 
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             sqlite3.sqlite_version_info[1] < 3)):
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        warning('Needs at least sqlite 3.3.x')
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        raise bzrlib.errors.BzrError("incompatible sqlite library")
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try:
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    try:
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        import sqlite3
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        check_pysqlite_version(sqlite3)
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    except (ImportError, bzrlib.errors.BzrError), e: 
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        from pysqlite2 import dbapi2 as sqlite3
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        check_pysqlite_version(sqlite3)
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except:
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    warning('Needs at least Python2.5 or Python2.4 with the pysqlite2 '
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            'module')
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    raise bzrlib.errors.BzrError("missing sqlite library")