Update MediaWiki config regexes

[wizard.git] / wizard / app / php.py

diff --git a/wizard/app/php.py b/wizard/app/php.py
index 0d9fcfd5962b57ffe8d7d90b933ece339085ad8e..b617195949c62d38f53bd25e91a95b54203218e1 100644 (file)
--- a/wizard/app/php.py
+++ b/wizard/app/php.py
@@ -1,3 +1,59 @@
-php_ini_regexes = \
-        {'WIZARD_SESSIONNAME': None,
-         'WIZARD_TMPDIR': None}
+"""
+Common data and functions for use in PHP applications.
+
+.. testsetup:: *
+
+    from wizard.app.php import *
+"""
+
+import re
+import os
+
+from wizard import app, util
+
+def re_var(var):
+    """
+    Generates a regexp for assignment to ``var`` in PHP; the quoted
+    value is the second subpattern.
+
+    >>> re_var('key').search("$key = 'val';").group(2)
+    "'val'"
+    """
+    return re.compile('^(\$' + app.expand_re(var) + r'''\s*=\s*)(.*)(;)''', re.M)
+
+def re_define(var):
+    """
+    Generates a regexp for the definition of a constant in PHP; the
+    quoted value is the second subpattern.
+
+    >>> re_define('FOO').search("define('FOO', 'bar');").group(2)
+    "'bar'"
+    """
+    return re.compile('^(define\([\'"]' + app.expand_re(var) + r'''['"]\s*,\s*)(.*)(\);)''', re.M)
+
+def _make_filename_regex(var):
+    return 'php.ini', re.compile('^(' + app.expand_re(var) + r'\s*=\s*)(.*)()$', re.M)
+
+def ini_replace_vars():
+    """
+    Replace ``WIZARD_TMPDIR`` and ``WIZARD_SESSIONNAME`` with with user-specific values.
+    """
+    text = open('php.ini', "r").read()
+    text = text.replace('WIZARD_TMPDIR', '/mit/%s/web_scripts_tmp' % os.environ['USER'])
+    text = text.replace('WIZARD_SESSIONNAME', '%s_SID' % os.environ['USER'])
+    open('php.ini', "w").write(text)
+
+seed = util.dictmap(_make_filename_regex, {
+        'WIZARD_SESSIONNAME': 'session.name',
+        'WIZARD_TMPDIR': ('upload_tmp_dir', 'session.save_path'),
+        })
+
+#: Common extractors for parameters in :file:`php.ini`.
+extractors = app.make_extractors(seed)
+#: Common substitutions for parameters in :file:`php.ini`.
+substitutions = app.make_substitutions(seed)
+#: A list containing :file:`php.ini`.
+parametrized_files = ["php.ini"]
+#: Nop for consistency.
+deprecated_keys = set([])
+