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1 ;;!emacs
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2 ;;
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3 ;; FILE: python-browse.el
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4 ;; SUMMARY: Python source code browser.
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5 ;; USAGE: GNU Emacs Lisp Library
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6 ;; KEYWORDS: oop, tools, python
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7 ;;
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8 ;; AUTHOR: Harri Pasanen, based on Smalltalk and C++ browsers
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9 ;; by Bob Weiner
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10 ;; ORG: Tekla Oy
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11 ;;
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12 ;; ORIG-DATE: 5-Apr-96
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13 ;; LAST-MOD: 12-Apr-96
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14 ;;
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15 ;; Copyright (C) 1990-1995 Free Software Foundation, Inc.
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16 ;; See the file BR-COPY for license information.
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17 ;;
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18 ;; This file is part of the OO-Browser.
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19 ;;
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20 ;; DESCRIPTION:
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21 ;;
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22 ;; Use 'Python-browse' to invoke the Python OO-Browser. Prefix arg
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23 ;; prompts for name of Environment file.
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24 ;;
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25 ;; DESCRIP-END.
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26
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27 ;;; ************************************************************************
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28 ;;; Other required Elisp libraries
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29 ;;; ************************************************************************
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30
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31 (mapcar 'require '(br-start br br-python-ft))
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32
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33 ;;; ************************************************************************
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34 ;;; Public functions
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35 ;;; ************************************************************************
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36
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37 ;;;###autoload
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38 (defun python-browse (&optional env-file no-ui)
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39 "Invoke the Python OO-Browser.
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40 This allows browsing through Python library and system class hierarchies.
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41 With an optional non-nil prefix argument ENV-FILE, prompt for Environment
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42 file to use. Alternatively, a string value of ENV-FILE is used as the
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43 Environment file name. See also the file \"br-help\"."
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44 (interactive "P")
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45 (let ((same-lang (equal br-lang-prefix python-lang-prefix))
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46 (load-succeeded t)
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47 same-env)
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48 (if same-lang
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49 nil
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50 ;; Save other language Environment in memory
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51 (if br-lang-prefix (br-env-copy nil))
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52 (setq br-lang-prefix python-lang-prefix
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53 *br-save-wconfig* nil))
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54 (setq same-env (or (equal python-env-file env-file)
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55 (and (null env-file)
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56 (or python-lib-search-dirs python-sys-search-dirs))))
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57 (cond
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58 ;; Continue browsing an Environment
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59 ((and same-env same-lang))
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60 ((and same-env (not same-lang))
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61 (python-browse-setup) (br-env-copy t))
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62 ;;
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63 ;; Create default Environment file specification if needed and none
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64 ;; exists.
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65 ;;
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66 (t (or env-file (file-exists-p python-env-file)
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67 (br-env-create python-env-file python-lang-prefix))
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68 (or env-file (setq env-file python-env-file))
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69 ;;
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70 ;; Start browsing a new Environment.
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71 ;;
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72 (python-browse-setup)
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73 (setq load-succeeded (br-env-init env-file same-lang nil))
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74 (if load-succeeded
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75 (setq *br-save-wconfig* nil
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76 python-env-file load-succeeded
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77 python-sys-search-dirs br-sys-search-dirs
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78 python-lib-search-dirs br-lib-search-dirs))))
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79 (cond (load-succeeded
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80 (br-init)
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81 (or no-ui (br-browse)))
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82 (no-ui nil)
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83 (t (message "(python-browse): You must build the Environment to browse it.")))))
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84
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85 ;; Don't filter Environment classes when listed.
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86 (fset 'python-class-list-filter 'identity)
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87
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88
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89 ;;; ************************************************************************
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90 ;;; Internal functions
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91 ;;; ************************************************************************
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92
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93 (defun python-browse-setup ()
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94 "Setup language-dependent functions for OO-Browser."
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95 (br-setup-functions)
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96 ;; Use this until an info function is implemented for the language.
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97 ;; (fmakunbound 'br-insert-class-info)
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98 (fset 'br-store-class-info 'python-store-class-info)
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99 (fset 'br-lang-mode
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100 (cond ((featurep 'python-mode) 'python-mode)
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101 ((load "python-mode" 'missing-ok 'nomessage)
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102 (provide 'python-mode))
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103 (t 'fundamental-mode)))
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104 (br-setup-constants)
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105 ;; Setup to add default classes to system class table after building it.
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106 ;; This must come after br-setup-constants call since it clears these
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107 ;; hooks.
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108 (if (fboundp 'add-hook)
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109 (add-hook 'br-after-build-sys-hook 'python-add-default-classes)
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110 (setq br-after-build-sys-hook '(python-add-default-classes))))
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111
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112
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113 (provide 'python-browse)
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