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python-mode.el
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;;; python-mode.el --- Towards an Python-IDE in Emacs
;; Maintainer: Andreas Roehler <[email protected]>
;; Keywords: languages, processes, python, oop
;; Copyright (C) 1992,1993,1994 Tim Peters
;; Author: 2003-2011 https://launchpad.net/python-mode
;; 1995-2002 Barry A. Warsaw
;; 1992-1994 Tim Peters
;; Maintainer: [email protected]
;; Created: Feb 1992
;; Keywords: python languages oop
;; This program is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with this program. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;;; Code
(require 'comint)
(require 'custom)
(eval-when-compile (require 'cl))
(require 'compile)
(require 'ansi-color)
(require 'cc-cmds)
(require 'shell)
(require 'help-fns)
(unless (featurep 'xemacs)
(require 'highlight-indentation))
(add-to-list 'auto-mode-alist (cons (purecopy "\\.py\\'") 'python-mode))
(add-to-list 'interpreter-mode-alist (cons (purecopy "python") 'python-mode))
(add-to-list 'interpreter-mode-alist (cons (purecopy "jython") 'jython-mode))
(add-to-list 'same-window-buffer-names (purecopy "*Python*"))
(defgroup python nil
"Support for the Python programming language, <http://www.python.org/>"
:group 'languages
:prefix "py-")
(defconst py-version "6.0.4")
(defsubst py-in-string-or-comment-p ()
"Return beginning position if point is in a Python literal (a comment or string)."
(nth 8 (if (featurep 'xemacs)
(parse-partial-sexp (point-min) (point))
(syntax-ppss))))
;;; Bindings
(defvar py-mode-map nil)
(setq py-mode-map
(let ((map (make-sparse-keymap)))
;; electric keys
(define-key map [(:)] 'py-electric-colon)
(define-key map [(\#)] 'py-electric-comment)
(define-key map [(delete)] 'py-electric-delete)
(define-key map [(backspace)] 'py-electric-backspace)
(define-key map [(control backspace)] 'py-hungry-delete-backwards)
;; moving point
(define-key map [(control c)(control n)] 'py-end-of-statement)
(define-key map [(control c)(control a)] 'py-mark-statement)
(define-key map [(control c)(control p)] 'py-beginning-of-statement)
(define-key map [(control c)(control u)] 'py-beginning-of-block)
(define-key map [(control c)(control q)] 'py-end-of-block)
(define-key map [(control c) (delete)] 'py-hungry-delete-forward)
(define-key map [(control meta e)] 'py-end-of-def-or-class)
(define-key map [(control j)] 'py-newline-and-indent)
;; Most Pythoneers expect RET `py-newline-and-indent'
;; (define-key map (kbd "RET") 'py-newline-and-dedent)
(define-key map (kbd "RET") 'py-newline-and-indent)
(define-key map [(super backspace)] 'py-dedent)
;; (define-key map [(control return)] 'py-newline-and-dedent)
;; indentation level modifiers
(define-key map [(meta i)] 'py-indent-line-new)
(define-key map [(control c)(control l)] 'py-shift-left)
(define-key map [(control c)(control r)] 'py-shift-right)
(define-key map [(control c)(<)] 'py-shift-left)
(define-key map [(control c)(>)] 'py-shift-right)
(define-key map [(control c)(tab)] 'py-indent-region)
(define-key map [(control c)(:)] 'py-guess-indent-offset)
;; subprocess commands
(define-key map [(control c)(control c)] 'py-execute-buffer)
(define-key map [(control c)(control m)] 'py-execute-import-or-reload)
(define-key map [(control c)(control s)] 'py-execute-string)
(define-key map [(control c)(|)] 'py-execute-region)
(define-key map [(control meta x)] 'py-execute-def-or-class)
(define-key map [(control c)(!)] 'py-shell)
(define-key map [(control c)(control t)] 'py-toggle-shells)
(define-key map [(control meta h)] 'py-mark-def-or-class)
(define-key map [(control c)(control k)] 'py-mark-block-or-clause)
;; Miscellaneous
(define-key map [(control c)(control d)] 'py-pdbtrack-toggle-stack-tracking)
(define-key map [(control c)(control f)] 'py-sort-imports)
(define-key map [(control c)(\#)] 'py-comment-region)
(define-key map [(control c)(\?)] 'py-describe-mode)
(define-key map [(control c)(control e)] 'py-describe-symbol)
(define-key map [(control meta a)] 'py-beginning-of-def-or-class)
(define-key map [(control c)(-)] 'py-up-exception)
(define-key map [(control c)(=)] 'py-down-exception)
(define-key map [(control x) (n) (d)] 'py-narrow-to-defun)
;; information
(define-key map [(control c)(control b)] 'py-submit-bug-report)
(define-key map [(control c)(control v)] 'py-version)
(define-key map [(control c)(control w)] 'py-pychecker-run)
(define-key map [(control c)(c)] 'py-compute-indentation)
(if (featurep 'xemacs)
(define-key map [(meta tab)] 'py-complete)
(substitute-key-definition 'complete-symbol 'completion-at-point
map global-map))
;; shadow global bindings for newline-and-indent
(mapc #'(lambda (key)
(define-key map key 'py-newline-and-indent))
(where-is-internal 'newline-and-indent))
(easy-menu-define py-menu map "Python Mode menu"
'("Python"
:help "Python-specific features"
["Execute statement" py-execute-statement
:help "Send statement at point to Python interpreter. "]
["Execute block" py-execute-block
:help "Send compound statement at point to Python interpreter. "]
["Execute def" py-execute-def
:help "Send function at point to Python interpreter. "]
["Execute region" py-execute-region
:help "Send region to Python interpreter. "]
["Execute buffer" py-execute-buffer
:help "Send buffer to Python interpreter. "]
"-"
["Copy block" py-copy-block
:help "Copy innermost compound statement at point"]
["Copy def-or-class" py-copy-def-or-class
:help "Copy innermost definition at point"]
["Copy statement" py-copy-statement
:help "Copy statement at point"]
["Copy expression" py-copy-expression
:help "Copy expression at point"]
["Copy partial-expression" py-copy-partial-expression
:help "\".\" operators delimit a partial-expression expression on it's level"]
"-"
["Beginning of block" py-beginning-of-block
:help "Go to start of innermost compound statement at point"]
["End of block" py-end-of-block
:help "Go to end of innermost compound statement at point"]
["Beginning of Def-or-Class" py-beginning-of-def-or-class
:help "Go to start of innermost definition at point"]
["End of Def-or-Class" py-end-of-def-or-class
:help "Go to end of innermost function definition at point"]
["Beginning of-class" beginning-of-class
:help "Go to start of class definition "]
["End of Class" py-end-of-class
:help "Go to end of class definition "]
"-"
("Templates..."
:help "Expand templates for compound statements"
:filter (lambda (&rest junk)
(abbrev-table-menu python-mode-abbrev-table)))
"-"
["Switch to interpreter" py-shell
:help "Switch to `inferior' Python in separate buffer"]
["Import/reload file" py-execute-import-or-reload
:help "Load into inferior Python session"]
["Set default process" py-set-proc
:help "Make buffer's inferior process the default"
:active (buffer-live-p py-buffer)]
["pychecker-run" py-pychecker-run :help "Run pychecker"]
["Debugger" pdb :help "Run pdb under GUD"]
"-"
["Help on symbol" py-describe-symbol
:help "Use pydoc on symbol at point"]
["Complete symbol" completion-at-point
:help "Complete (qualified) symbol before point"]
["Find function" py-find-function
:help "Try to find source definition of function at point"]
["Update imports" py-find-imports
:help "Update list of top-level imports for completion"]))
map))
;;; Intern
(defun py-point (position)
"Returns the value of point at certain commonly referenced POSITIONs.
POSITION can be one of the following symbols:
bol -- beginning of line
eol -- end of line
bod -- beginning of def or class
eod -- end of def or class
bob -- beginning of buffer
eob -- end of buffer
boi -- back to indentation
bos -- beginning of statement
This function does not modify point or mark."
(let ((here (point)))
(cond
((eq position 'bol) (beginning-of-line))
((eq position 'eol) (end-of-line))
((eq position 'bod) (py-beginning-of-def-or-class 'either))
((eq position 'eod) (py-end-of-def-or-class 'either))
;; Kind of funny, I know, but useful for py-up-exception.
((eq position 'bob) (goto-char (point-min)))
((eq position 'eob) (goto-char (point-max)))
((eq position 'boi) (back-to-indentation))
((eq position 'bos) (py-beginning-of-statement))
(t (error "Unknown buffer position requested: %s" position))
)
(prog1
(point)
(goto-char here))))
;;; Python specialized rx
;; (eval-when-compile
;; (defconst python-rx-constituents
;; (list
;; `(block-start . ,(rx symbol-start
;; (or "def" "class" "if" "elif" "else" "try"
;; "except" "finally" "for" "while" "with")
;; symbol-end))
;; `(decorator . ,(rx line-start (* space) ?@ (any letter ?_)
;; (* (any word ?_))))
;; `(defun . ,(rx symbol-start (or "def" "class") symbol-end))
;; `(symbol-name . ,(rx (any letter ?_) (* (any word ?_))))
;; `(open-paren . ,(rx (or "{" "[" "(")))
;; `(close-paren . ,(rx (or "}" "]" ")")))
;; `(simple-operator . ,(rx (any ?+ ?- ?/ ?& ?^ ?~ ?| ?* ?< ?> ?= ?%)))
;; `(not-simple-operator . ,(rx (not (any ?+ ?- ?/ ?& ?^ ?~ ?| ?* ?< ?> ?= ?%))))
;; `(operator . ,(rx (or "+" "-" "/" "&" "^" "~" "|" "*" "<" ">"
;; "=" "%" "**" "//" "<<" ">>" "<=" "!="
;; "==" ">=" "is" "not")))
;; `(assignment-operator . ,(rx (or "=" "+=" "-=" "*=" "/=" "//=" "%=" "**="
;; ">>=" "<<=" "&=" "^=" "|="))))
;; "Additional Python specific sexps for `python-rx'"))
;; (defmacro python-rx (&rest regexps)
;; "Python mode specialized rx macro which supports common python named REGEXPS."
;; (let ((rx-constituents (append python-rx-constituents rx-constituents)))
;; (cond ((null regexps)
;; (error "No regexp"))
;; ((cdr regexps)
;; (rx-to-string `(and ,@regexps) t))
;; (t
;; (rx-to-string (car regexps) t)))))
;;; Font-lock and syntax
(defvar py-font-lock-keywords
(let ((kw1 (mapconcat 'identity
'("and" "assert" "break" "class"
"continue" "def" "del" "elif"
"else" "except" "for" "from"
"global" "if" "import" "in"
"is" "lambda" "not" "or"
"pass" "raise" "as" "return"
"while" "with" "yield")
"\\|"))
(kw2 (mapconcat 'identity
'("else:" "except:" "finally:" "try:" "lambda:")
"\\|"))
(kw3 (mapconcat 'identity
;; Don't include Ellipsis in this list, since it is
;; already defined as a pseudo keyword.
'("__debug__"
"__import__" "__name__" "abs" "all" "any" "apply"
"basestring" "bin" "bool" "buffer" "bytearray"
"callable" "chr" "classmethod" "cmp" "coerce"
"compile" "complex" "copyright" "credits"
"delattr" "dict" "dir" "divmod" "enumerate" "eval"
"exec" "execfile" "exit" "file" "filter" "float"
"format" "getattr" "globals" "hasattr" "hash" "help"
"hex" "id" "input" "int" "intern" "isinstance"
"issubclass" "iter" "len" "license" "list" "locals"
"long" "map" "max" "memoryview" "min" "next"
"object" "oct" "open" "ord" "pow" "print" "property"
"quit" "range" "raw_input" "reduce" "reload" "repr"
"round" "set" "setattr" "slice" "sorted"
"staticmethod" "str" "sum" "super" "tuple" "type"
"unichr" "unicode" "vars" "xrange" "zip"
"bin" "bytearray" "bytes" "format"
"memoryview" "next" "print")
"\\|"))
(kw4 (mapconcat 'identity
;; Exceptions and warnings
'("ArithmeticError" "AssertionError"
"AttributeError" "BaseException" "BufferError"
"BytesWarning" "DeprecationWarning" "EOFError"
"EnvironmentError" "Exception"
"FloatingPointError" "FutureWarning" "GeneratorExit"
"IOError" "ImportError" "ImportWarning"
"IndentationError" "IndexError"
"KeyError" "KeyboardInterrupt" "LookupError"
"MemoryError" "NameError" "NotImplemented"
"NotImplementedError" "OSError" "OverflowError"
"PendingDeprecationWarning" "ReferenceError"
"RuntimeError" "RuntimeWarning" "StandardError"
"StopIteration" "SyntaxError" "SyntaxWarning"
"SystemError" "SystemExit" "TabError" "TypeError"
"UnboundLocalError" "UnicodeDecodeError"
"UnicodeEncodeError" "UnicodeError"
"UnicodeTranslateError" "UnicodeWarning"
"UserWarning" "ValueError" "Warning"
"ZeroDivisionError")
"\\|")))
(list
;; decorators
'("^[ \t]*\\(@[a-zA-Z_][a-zA-Z_0-9.]+\\)\\((.+)\\)?" 1 'py-decorators-face)
;; keywords
(cons (concat "\\<\\(" kw1 "\\)\\>[ \n\t(]") 1)
;; builtins when they don't appear as object attributes
(list (concat "\\([ \t(]\\|^\\)\\<\\(" kw3 "\\)\\>[ \n\t(]") 2
'py-builtins-face)
;; block introducing keywords with immediately following colons.
;; Yes "except" is in both lists.
(cons (concat "\\<\\(" kw2 "\\)[ \n\t(]") 1)
;; Exceptions
(list (concat "\\<\\(" kw4 "\\)[ \n\t:,()]") 1 'py-exception-name-face)
;; raise stmts
'("\\<raise[ \t]+\\([a-zA-Z_]+[a-zA-Z0-9_.]*\\)" 1 py-exception-name-face)
;; except clauses
'("\\<except[ \t]+\\([a-zA-Z_]+[a-zA-Z0-9_.]*\\)" 1 py-exception-name-face)
;; classes
'("\\<class[ \t]+\\([a-zA-Z_]+[a-zA-Z0-9_]*\\)" 1 py-class-name-face)
;; functions
'("\\<def[ \t]+\\([a-zA-Z_]+[a-zA-Z0-9_]*\\)"
1 font-lock-function-name-face)
;; pseudo-keywords
'("\\<\\(self\\|cls\\|Ellipsis\\|True\\|False\\|None\\)\\>"
1 py-pseudo-keyword-face)
'("[ \t]*\\(_\\{0,2\\}[a-zA-Z][a-zA-Z_0-9.]+_\\{0,2\\}\\) *\\(+\\|-\\|*\\|*\\*\\|/\\|//\\|&\\|%\\||\\|\\^\\|>>\\|<<\\)? ?=[^=\n]"
1 py-variable-name-face)
;; XXX, TODO, and FIXME tags
'("XXX\\|TODO\\|FIXME" 0 py-XXX-tag-face t)
;; special marking for string escapes and percent substitutes;
;; loops adapted from lisp-mode in font-lock.el
;; '((lambda (bound)
;; (catch 'found
;; (while (re-search-forward
;; (concat
;; "\\(\\\\\\\\\\|\\\\x..\\|\\\\u....\\|\\\\U........\\|"
;; "\\\\[0-9][0-9]*\\|\\\\[abfnrtv\"']\\)") bound t)
;; (let ((face (get-text-property (1- (point)) 'face)))
;; (when (or (and (listp face) (memq 'font-lock-string-face face))
;; (eq 'font-lock-string-face face))
;; (throw 'found t))))))
;; (1 'font-lock-regexp-grouping-backslash prepend))
;; '((lambda (bound)
;; (catch 'found
;; (while (re-search-forward "\\(%[^(]\\|%([^)]*).\\)" bound t)
;; (let ((face (get-text-property (1- (point)) 'face)))
;; (when (or (and (listp face) (memq 'font-lock-string-face face))
;; (eq 'font-lock-string-face face))
;; (throw 'found t))))))
;; (1 'font-lock-regexp-grouping-construct prepend))
))
"Additional expressions to highlight in Python mode.")
(defconst py-font-lock-syntactic-keywords
'(("[^\\]\\\\\\(?:\\\\\\\\\\)*\\(\\s\"\\)\\1\\(\\1\\)"
(2
(7)))
("\\([RUBrub]?\\)[Rr]?\\(\\s\"\\)\\2\\(\\2\\)"
(1
(py-quote-syntax 1))
(2
(py-quote-syntax 2))
(3
(py-quote-syntax 3)))))
(defun py-quote-syntax (n)
"Put `syntax-table' property correctly on triple quote.
Used for syntactic keywords. N is the match number (1, 2 or 3)."
;; Given a triple quote, we have to check the context to know
;; whether this is an opening or closing triple or whether it's
;; quoted anyhow, and should be ignored. (For that we need to do
;; the same job as `syntax-ppss' to be correct and it seems to be OK
;; to use it here despite initial worries.) We also have to sort
;; out a possible prefix -- well, we don't _have_ to, but I think it
;; should be treated as part of the string.
;; Test cases:
;; ur"""ar""" x='"' # """
;; x = ''' """ ' a
;; '''
;; x '"""' x """ \"""" x
(save-excursion
(goto-char (match-beginning 0))
(cond
;; Consider property for the last char if in a fenced string.
((= n 3)
(let* ((font-lock-syntactic-keywords nil)
(syntax (if (featurep 'xemacs)
(parse-partial-sexp (point-min) (point))
(syntax-ppss))))
(when (eq t (nth 3 syntax)) ; after unclosed fence
(goto-char (nth 8 syntax)) ; fence position
(skip-chars-forward "uUrRbB") ; skip any prefix
;; Is it a matching sequence?
(if (eq (char-after) (char-after (match-beginning 2)))
(eval-when-compile (string-to-syntax "|"))))))
;; Consider property for initial char, accounting for prefixes.
((or (and (= n 2) ; leading quote (not prefix)
(= (match-beginning 1) (match-end 1))) ; prefix is null
(and (= n 1) ; prefix
(/= (match-beginning 1) (match-end 1)))) ; non-empty
(let ((font-lock-syntactic-keywords nil))
(unless (eq 'string (syntax-ppss-context (if (featurep 'xemacs)
(parse-partial-sexp (point-min) (point))
(syntax-ppss))))
;; (eval-when-compile (string-to-syntax "|"))
(eval-when-compile (string-to-syntax "|")))))
;; Otherwise (we're in a non-matching string) the property is
;; nil, which is OK.
)))
(defvar py-mode-syntax-table nil)
(setq py-mode-syntax-table
(let ((table (make-syntax-table))
(tablelookup (if (featurep 'xemacs)
'get-char-table
'aref)))
;; Give punctuation syntax to ASCII that normally has symbol
;; syntax or has word syntax and isn't a letter.
(if (featurep 'xemacs)
(setq table (standard-syntax-table))
(let ((symbol (string-to-syntax "_"))
;; (symbol (string-to-syntax "_"))
(sst (standard-syntax-table)))
(dotimes (i 128)
(unless (= i ?_)
(if (equal symbol (funcall tablelookup sst i))
(modify-syntax-entry i "." table))))))
(modify-syntax-entry ?$ "." table)
(modify-syntax-entry ?% "." table)
;; exceptions
(modify-syntax-entry ?# "<" table)
(modify-syntax-entry ?\n ">" table)
(modify-syntax-entry ?' "\"" table)
(modify-syntax-entry ?` "$" table)
(modify-syntax-entry ?\_ "w" table)
table))
(defconst python-dotty-syntax-table
(let ((table (make-syntax-table)))
(set-char-table-parent table py-mode-syntax-table)
(modify-syntax-entry ?. "_" table)
table)
"Syntax table giving `.' symbol syntax.
Otherwise inherits from `py-mode-syntax-table'.")
;; An auxiliary syntax table which places underscore and dot in the
;; symbol class for simplicity
(defvar py-dotted-expression-syntax-table nil
"Syntax table used to identify Python dotted expressions.")
(when (not py-dotted-expression-syntax-table)
(setq py-dotted-expression-syntax-table
(copy-syntax-table py-mode-syntax-table))
(modify-syntax-entry ?_ "_" py-dotted-expression-syntax-table)
(modify-syntax-entry ?. "_" py-dotted-expression-syntax-table))
;;; Indentation
(defcustom py-indent-offset 4
"*Amount of offset per level of indentation.
`\\[py-guess-indent-offset]' can usually guess a good value when
you're editing someone else's Python code."
:type 'integer
:group 'python)
(make-variable-buffer-local 'py-indent-offset)
(defcustom pdb-path '/usr/lib/python2.7/pdb.py
"Where to find pdb.py. Edit this according to your system.
If you ignore the location `M-x py-guess-pdb-path' might display it.
"
:type 'variable
:group 'python)
;; (setq pdb-path '/usr/lib/python2.7/pdb.py
;; gud-pdb-command-name (symbol-name pdb-path))
(defun py-guess-pdb-path ()
"If py-pdb-path isn't set, find location of pdb.py. "
(interactive)
(let ((ele (split-string (shell-command-to-string "whereis python")))
erg)
(while (or (not erg)(string= "" erg))
(when (and (string-match "^/" (car ele)) (not (string-match "/man" (car ele))))
(setq erg (shell-command-to-string (concat "find " (car ele) " -type f -name \"pdb.py\""))))
(setq ele (cdr ele)))
(if erg
(when (interactive-p) (message "%s" erg))
(when (interactive-p) (message "%s" "pdb.py not found, please customize `pdb-path'")))
(concat "'" erg)))
(defcustom py-install-directory nil
"Directory where python-mode.el and it's subdirectories should be installed. Needed for completion and other environment stuff only. "
:type 'string
:group 'python)
(defcustom py-load-python-mode-pymacs-p nil
"If Pymacs as delivered with python-mode.el shall be loaded.
Default is non-nil.
Pymacs has been written by François Pinard and many others.
See original source: http://pymacs.progiciels-bpi.ca"
:type 'boolean
:group 'python)
(defun py-load-python-mode-pymacs ()
"Load Pymacs as delivered with python-mode.el.
Pymacs has been written by François Pinard and many others.
See original source: http://pymacs.progiciels-bpi.ca"
(interactive)
(load (concat py-install-directory "/pymacs/pymacs.el") nil t)
(add-to-list 'load-path (concat py-install-directory "/pymacs/pymacs.el"))
(setenv "PYMACS_PYTHON" "python2.7")
(autoload 'pymacs-apply "pymacs")
(autoload 'pymacs-call "pymacs")
(autoload 'pymacs-eval "pymacs")
(autoload 'pymacs-exec "pymacs")
(autoload 'pymacs-load "pymacs")
(require 'pymacs))
(defun py-set-load-path ()
"Include the python-mode directory inclusiv needed subdirs.
If `py-install-directory' isn't set, guess from buffer-file-name. "
(interactive)
(cond (py-install-directory
(add-to-list 'load-path (expand-file-name py-install-directory))
(add-to-list 'load-path (concat (expand-file-name py-install-directory) "/completion"))
(add-to-list 'load-path (concat py-install-directory "/pymacs"))
(add-to-list 'load-path (concat (expand-file-name py-install-directory) "/test"))
(add-to-list 'load-path (concat (expand-file-name py-install-directory) "/tools")))
(t (setq py-install-directory
(file-name-directory (buffer-file-name (car (find-function-noselect 'python-mode)))))))
(when (interactive-p) (message "%s" load-path)))
;; user definable variables
;; vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv
(defcustom py-use-parse-partial-sexp t
"If `py-match-paren' should rely on `parse-partial-sexp' or use regexp forms. Default is `yes'. "
:type 'boolean
:group 'python)
(defcustom py-close-provides-newline t
"If a newline is inserted, when line after block isn't empty. Default is non-nil. "
:type 'boolean
:group 'python)
(make-variable-buffer-local 'py-close-provides-newline)
(defcustom py-dedent-keep-relative-column t
"If point should follow dedent or kind of electric move to end of line. Default is t - keep relative position. "
:type 'boolean
:group 'python)
(defcustom py-indent-honors-multiline-listing nil
"If `t', indents to 1+ column of opening delimiter. If `nil', indent adds one level to the beginning of statement. Default is `nil'. "
:type 'boolean
:group 'python)
(defcustom py-indent-honors-inline-comment nil
"If non-nil, indents to column of inlined comment start.
Default is nil. "
:type 'boolean
:group 'python)
(defcustom py-closing-list-dedents-bos nil
"If non-nil, closing parentesis dedents onto column of statement, otherwise keeps additional `py-indent-offset', default is nil "
:type 'boolean
:group 'python)
(defcustom py-electric-colon-active-p nil
"`py-electric-colon' feature. Default is `nil'. See lp:837065 for discussions. "
:type 'boolean
:group 'python)
(defcustom py-electric-comment-p t
"If \"#\" should call `py-electric-comment'. Default is `t'. "
:type 'boolean
:group 'python)
(defcustom py-electric-comment-add-space-p nil
"If py-electric-comment should add a space. Default is `nil'. "
:type 'boolean
:group 'python)
(defcustom py-mark-decorators nil
"If py-mark-def-or-class functions should mark decorators too. Default is `nil'. "
:type 'boolean
:group 'python)
;; (define-key py-mode-map [(%)] 'py-match-paren)
(defun py-toggle-match-paren-use-syntax-pps ()
"If `py-match-paren' should rely on `parse-partial-sexp' or use regexp forms. "
(interactive)
(setq py-use-parse-partial-sexp (not py-use-parse-partial-sexp))
(message "py-use-parse-partial-sexp set to: %s" py-use-parse-partial-sexp))
(defcustom py-tab-indent t
"*Non-nil means TAB in Python mode calls `py-indent-line'."
:type 'boolean
:group 'python)
(defcustom py-complete-function 'py-completion-at-point
"Function used for completion in buffers. "
:type '(choice (const :tag "py-completion-at-point" py-completion-at-point)
(const :tag "Pymacs based py-complete" py-complete)
(const :tag "IPython's ipython-complete" ipython-complete))
:group 'python)
(defcustom py-shell-complete-function 'py-completion-at-point
"Function used for completion in buffers. "
:type '(choice (const :tag "py-completion-at-point" py-completion-at-point)
(const :tag "Pymacs based py-complete" py-complete)
(const :tag "IPython's ipython-complete" ipython-complete))
:group 'python)
(defcustom py-encoding-string " # -*- coding: utf-8 -*-"
"Default string specifying encoding in the heading of file. "
:type 'string
:group 'python)
(setq symbol-definition-start-re "^[ \t]*(\\(defun\\|defvar\\|defcustom\\)")
(defcustom py-shebang-startstring "#! /bin/env"
"Detecting the shell in head of file. "
:type 'string
:group 'python)
;; (setq py-shebang-regexp "#![ \t]?\\([^ \t\n]+\\)[^ \t\n]*\\([ijp]ython[^ \t\n]*$\\)")
(defcustom py-shebang-regexp "#![ \t]?\\([^ \t\n]+\\)[^ \t\n]*\\([iptj]ython[^ \t\n]*$\\)"
"Detecting the shell in head of file. "
:type 'regexp
:group 'python)
(defcustom py-python-command-args '("-i")
"*List of string arguments to be used when starting a Python shell."
:type '(repeat string)
:group 'python)
(make-variable-buffer-local 'py-python-command-args)
(set-default 'py-python-command-args '("-i"))
(make-obsolete-variable 'py-jpython-command-args 'py-jython-command-args nil)
(defcustom py-jython-command-args '("-i")
"*List of string arguments to be used when starting a Jython shell."
:type '(repeat string)
:group 'python
:tag "Jython Command Args")
(defcustom py-cleanup-temporary t
"If temporary buffers and files used by functions executing region should be deleted afterwards. "
:type 'boolean
:group 'python
)
(defcustom py-lhs-inbound-indent 1
"When line starts a multiline-assignment: How many colums indent should be more than opening bracket, brace or parenthesis. "
:type 'integer
:group 'python)
(make-variable-buffer-local 'py-lhs-inbound-indent)
(defcustom py-rhs-inbound-indent 1
"When inside a multiline-assignment: How many colums indent should be more than opening bracket, brace or parenthesis. "
:type 'integer
:group 'python)
(make-variable-buffer-local 'py-rhs-inbound-indent)
(defcustom py-continuation-offset 2
"*Additional amount of offset to give for some continuation lines.
Continuation lines are those that immediately follow a backslash
terminated line. "
:type 'integer
:group 'python)
(defcustom py-smart-indentation t
"*Should `python-mode' try to automagically set some indentation variables?
When this variable is non-nil, two things happen when a buffer is set
to `python-mode':
1. `py-indent-offset' is guessed from existing code in the buffer.
Only guessed values between 2 and 8 are considered. If a valid
guess can't be made (perhaps because you are visiting a new
file), then the value in `py-indent-offset' is used.
2. `indent-tabs-mode' is turned off if `py-indent-offset' does not
equal `tab-width' (`indent-tabs-mode' is never turned on by
Python mode). This means that for newly written code, tabs are
only inserted in indentation if one tab is one indentation
level, otherwise only spaces are used.
Note that both these settings occur *after* `python-mode-hook' is run,
so if you want to defeat the automagic configuration, you must also
set `py-smart-indentation' to nil in your `python-mode-hook'."
:type 'boolean
:group 'python)
(defcustom py-align-multiline-strings-p t
"*Flag describing how multi-line triple quoted strings are aligned.
When this flag is non-nil, continuation lines are lined up under the
preceding line's indentation. When this flag is nil, continuation
lines are aligned to column zero."
:type '(choice (const :tag "Align under preceding line" t)
(const :tag "Align to column zero" nil))
:group 'python)
(defcustom py-block-comment-prefix "##"
"*String used by \\[comment-region] to comment out a block of code.
This should follow the convention for non-indenting comment lines so
that the indentation commands won't get confused (i.e., the string
should be of the form `#x...' where `x' is not a blank or a tab, and
`...' is arbitrary). However, this string should not end in whitespace."
:type 'string
:group 'python)
(defcustom py-indent-comments t
"When t, comment lines are indented. "
:type 'boolean
:group 'python)
(defcustom py-temp-directory
(let ((ok '(lambda (x)
(and x
(setq x (expand-file-name x)) ; always true
(file-directory-p x)
(file-writable-p x)
x))))
(or (funcall ok (getenv "TMPDIR"))
(funcall ok "/usr/tmp")
(funcall ok "/tmp")
(funcall ok "/var/tmp")
(funcall ok ".")
(error
"Couldn't find a usable temp directory -- set `py-temp-directory'")))
"*Directory used for temporary files created by a *Python* process.
By default, the first directory from this list that exists and that you
can write into: the value (if any) of the environment variable TMPDIR,
/usr/tmp, /tmp, /var/tmp, or the current directory."
:type 'string
:group 'python)
(defcustom py-beep-if-tab-change t
"*Ring the bell if `tab-width' is changed.
If a comment of the form
\t# vi:set tabsize=<number>:
is found before the first code line when the file is entered, and the
current value of (the general Emacs variable) `tab-width' does not
equal <number>, `tab-width' is set to <number>, a message saying so is
displayed in the echo area, and if `py-beep-if-tab-change' is non-nil
the Emacs bell is also rung as a warning."
:type 'boolean
:group 'python)
(defcustom py-jump-on-exception t
"*Jump to innermost exception frame in *Python Output* buffer.
When this variable is non-nil and an exception occurs when running
Python code synchronously in a subprocess, jump immediately to the
source code of the innermost traceback frame."
:type 'boolean
:group 'python)
(defcustom py-ask-about-save t
"If not nil, ask about which buffers to save before executing some code.
Otherwise, all modified buffers are saved without asking."
:type 'boolean
:group 'python)
(defcustom py-backspace-function 'backward-delete-char-untabify
"*Function called by `py-electric-backspace' when deleting backwards."
:type 'function
:group 'python)
(defcustom py-delete-function 'delete-char
"*Function called by `py-electric-delete' when deleting forwards."
:type 'function
:group 'python)
(defcustom py-pdbtrack-do-tracking-p t
"*Controls whether the pdbtrack feature is enabled or not.
When non-nil, pdbtrack is enabled in all comint-based buffers,
e.g. shell buffers and the *Python* buffer. When using pdb to debug a
Python program, pdbtrack notices the pdb prompt and displays the
source file and line that the program is stopped at, much the same way
as gud-mode does for debugging C programs with gdb."
:type 'boolean
:group 'python)
(make-variable-buffer-local 'py-pdbtrack-do-tracking-p)
(defcustom py-pdbtrack-minor-mode-string " PDB"
"*String to use in the minor mode list when pdbtrack is enabled."
:type 'string
:group 'python)
(defcustom py-import-check-point-max
20000
"Maximum number of characters to search for a Java-ish import statement.
When `python-mode' tries to calculate the shell to use (either a
CPython or a Jython shell), it looks at the so-called `shebang' line
-- i.e. #! line. If that's not available, it looks at some of the
file heading imports to see if they look Java-like."
:type 'integer
:group 'python
)
(defcustom py-jython-packages
'("java" "javax")
"Imported packages that imply `jython-mode'."
:type '(repeat string)
:group 'python)
(make-obsolete-variable 'py-jpython-packages 'py-jython-packages nil)
(defcustom py-current-defun-show t
"If `py-current-defun' should jump to the definition, highlight it while waiting PY-WHICH-FUNC-DELAY seconds, before returning to previous position.
Default is `t'."
:type 'boolean
:group 'python)
(defcustom py-current-defun-delay 2
"When called interactively, `py-current-defun' should wait PY-WHICH-FUNC-DELAY seconds at the definition name found, before returning to previous position. "
:type 'number
:group 'python)
(defcustom py-send-receive-delay 5
"Seconds to wait for output, used by `python-send-receive'. "
:type 'number
:group 'python)
(defvar py-exec-command nil
"Mode commands will set this. ")
(make-variable-buffer-local 'py-exec-command)
(defvar py-which-bufname "Python")
(make-variable-buffer-local 'py-which-bufname)
(defcustom py-master-file nil
"If non-nil, \\[py-execute-buffer] executes the named
master file instead of the buffer's file. If the file name has a
relative path, the value of variable `default-directory' for the
buffer is prepended to come up with a file name.
Beside you may set this variable in the file's local
variable section, e.g.:
# Local Variables:
# py-master-file: \"master.py\"
# End:
"
:type 'string
:group 'python)
(make-variable-buffer-local 'py-master-file)
(defcustom py-pychecker-command "pychecker"
"*Shell command used to run Pychecker."
:type 'string
:group 'python
:tag "Pychecker Command")
(defcustom py-pychecker-command-args '("--stdlib")
"*List of string arguments to be passed to pychecker."
:type '(repeat string)
:group 'python
:tag "Pychecker Command Args")
(defvar py-shell-alist
'(("jython" . 'jython)
("python" . 'cpython))
"*Alist of interpreters and python shells. Used by `py-choose-shell'
to select the appropriate python interpreter mode for a file.")
(defcustom py-shell-input-prompt-1-regexp "^>>> "
"*A regular expression to match the input prompt of the shell."
:type 'string
:group 'python)
(defcustom py-shell-input-prompt-2-regexp "^[.][.][.] "
"*A regular expression to match the input prompt of the shell after the
first line of input."
:type 'string
:group 'python)
(defcustom py-shell-switch-buffers-on-execute t
"When non-nil switch to the Python output buffer. "
:type 'boolean
:group 'python)
(defcustom py-split-windows-on-execute t
"When non-nil split windows, make Python output buffer other. "
:type 'boolean
:group 'python)
(defcustom py-hide-show-keywords
'(
"class" "def" "elif" "else" "except"
"for" "if" "while" "finally" "try"
"with"
)
"*Keywords that can be hidden by hide-show"
:type '(repeat string)
:group 'python)
(defcustom py-hide-show-hide-docstrings t
"*Controls if doc strings can be hidden by hide-show"
:type 'boolean
:group 'python)
;; ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
;; NO USER DEFINABLE VARIABLES BEYOND THIS POINT
(defvar py-expression-skip-regexp "^ =:#\t\r\n\f"
"py-expression assumes chars indicated possible composing a py-expression, skip it. ")
;; (setq py-expression-skip-regexp "^ =:#\t\r\n\f")
(defvar py-expression-looking-regexp "[^ =:#\t\r\n\f)]"
"py-expression assumes chars indicated possible composing a py-expression, when looking-at or -back. ")
;; (setq py-expression-looking-regexp "[^ =:#\t\r\n\f)]")
(defvar py-not-expression-regexp "[ .=:#\t\r\n\f)]"
"py-expression assumes chars indicated probably will not compose a py-expression. ")
;; (setq py-not-expression-regexp "[ .=:#\t\r\n\f)]")
(defvar py-minor-expression-skip-regexp "^ .()[]{}=:#\t\r\n\f"
"py-minor-expression assumes chars indicated possible composing a py-minor-expression, skip it. ")
;; (setq py-minor-expression-skip-regexp "^ .(){}=:#\t\r\n\f")
(defvar py-minor-expression-forward-regexp "^ .)}=:#\t\r\n\f"
"py-minor-expression assumes chars indicated possible composing a py-minor-expression, skip it. ")
(defvar py-minor-expression-backward-regexp "^ .({=:#\t\r\n\f"
"py-minor-expression assumes chars indicated possible composing a py-minor-expression, skip it. ")
(defvar py-not-minor-expression-skip-regexp " \\.=:#\t\r\n\f"
"py-minor-expression assumes chars indicated may not compose a py-minor-expression, skip it. ")
(defvar py-minor-expression-looking-regexp "[^ .=:#\t\r\n\f)]"
"py-minor-expression assumes chars indicated possible composing a py-minor-expression, when looking-at or -back. ")
;; (setq py-minor-expression-looking-regexp "[^ .=:#\t\r\n\f)]")
(defvar py-not-minor-expression-regexp "[ .=:#\t\r\n\f)]"
"py-minor-expression assumes chars indicated probably will not compose a py-minor-expression. ")
;; (setq py-not-minor-expression-regexp "[ .=:#\t\r\n\f)]")
(defvar py-line-number-offset 0
"When an exception occurs as a result of py-execute-region, a
subsequent py-up-exception needs the line number where the region
started, in order to jump to the correct file line. This variable is
set in py-execute-region and used in py-jump-to-exception.")
(defsubst py-keep-region-active ()
"Keep the region active in XEmacs."
;; Ignore byte-compiler warnings you might see. Also note that
;; FSF's Emacs does it differently; its policy doesn't require us
;; to take explicit action.
(and (boundp 'zmacs-region-stays)
(setq zmacs-region-stays t)))
;; Constants
(defconst py-blank-or-comment-re "[ \t]*\\($\\|#\\)"
"Regular expression matching a blank or comment line.")
(defconst py-block-closing-keywords-re
"[ \t]*\\<\\(return\\|raise\\|break\\|continue\\|pass\\)\\>[ \n\t]"
"Matches the beginning of a class, method or compound statement. ")
(defconst py-finally-re
"[ \t]*\\<finally\\>[: \n\t]"
"Regular expression matching keyword which closes a try-block. ")
(defconst py-except-re
"[ \t]*\\<except\\>[: \n\t]"
"Regular expression matching keyword which composes a try-block. ")