diff options
| author | Jared Crapo <jared@kotfu.net> | 2017-12-11 19:15:15 -0700 |
|---|---|---|
| committer | Jared Crapo <jared@kotfu.net> | 2017-12-11 19:15:15 -0700 |
| commit | 67e669e3345fb637e4f4779691a7a8ec4b1763f6 (patch) | |
| tree | 7632e68cc845e1089111e9f10b105bce8c6d5a46 | |
| parent | 4f57dc14a7ffc2cbd741622da7d05d42ba7f7789 (diff) | |
| parent | 63b0c6b3a92cab837a71bbad78e777c522823c93 (diff) | |
| download | cmd2-git-67e669e3345fb637e4f4779691a7a8ec4b1763f6.tar.gz | |
Merge branch 'master' of https://github.com/python-cmd2/cmd2 into argparse
35 files changed, 158 insertions, 905 deletions
diff --git a/.appveyor.yml b/.appveyor.yml index c397472f..fad8437a 100644 --- a/.appveyor.yml +++ b/.appveyor.yml @@ -4,4 +4,4 @@ install: build: off test_script: - - python -m tox -e py27,py35,py36-win + - python -m tox -e py27-win,py35-win,py36-win diff --git a/CHANGELOG.md b/CHANGELOG.md index dd4011ac..7c40babb 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -1,8 +1,17 @@ -## 0.7.8 (TBD, 2017) +## 0.7.9 (TBD) + +* Bug Fixes + * Fixed a couple broken examples +* Enhancements + * Improved documentation for modifying shortcuts (command aliases) + * Made ``pyreadline`` a dependency on Windows to ensure tab-completion works + +## 0.7.8 (November 8, 2017) * Bug Fixes * Fixed ``poutput()`` so it can print an integer zero and other **falsy** things * Fixed a bug which was causing autodoc to fail for building docs on Readthedocs + * Fixed bug due to ``pyperclip`` dependency radically changing its project structure in latest version * Enhancements * Improved documentation for user-settable environment parameters * Improved documentation for overriding the default supported comment styles @@ -48,7 +48,8 @@ pip install -U cmd2 cmd2 works with Python 2.7 and Python 3.3+ on Windows, macOS, and Linux. It is pure Python code with the only 3rd-party dependencies being on [six](https://pypi.python.org/pypi/six), -[pyparsing](http://pyparsing.wikispaces.com), and [pyperclip](https://github.com/asweigart/pyperclip). +[pyparsing](http://pyparsing.wikispaces.com), and [pyperclip](https://github.com/asweigart/pyperclip) +(on Windows, [pyreadline](https://pypi.python.org/pypi/pyreadline) is an additional dependency). For information on other installation options, see [Installation Instructions](https://cmd2.readthedocs.io/en/latest/install.html) in the cmd2 @@ -112,12 +113,11 @@ Instructions for implementing each feature follow. Tutorials --------- -A couple tutorials on using cmd2 exist: +A few tutorials on using cmd2 exist: -* A detailed PyCon 2010 talk by [Catherine Devlin](https://github.com/catherinedevlin), the original author - * http://pyvideo.org/pycon-us-2010/pycon-2010--easy-command-line-applications-with-c.html -* A nice brief step-by-step tutorial - * https://kushaldas.in/posts/developing-command-line-interpreters-using-python-cmd2.html +* Florida PyCon 2017 talk: [slides](https://docs.google.com/presentation/d/1LRmpfBt3V-pYQfgQHdczf16F3hcXmhK83tl77R6IJtE) +* PyCon 2010 talk by Catherine Devlin, the original author: [video](http://pyvideo.org/pycon-us-2010/pycon-2010--easy-command-line-applications-with-c.html) +* A nice brief step-by-step tutorial: [blog](https://kushaldas.in/posts/developing-command-line-interpreters-using-python-cmd2.html) Example Application @@ -173,91 +173,38 @@ if __name__ == '__main__': The following is a sample session running example.py. Thanks to Cmd2's built-in transcript testing capability, it also serves as a test -suite for example.py when saved as *exampleSession.txt*. +suite for example.py when saved as *transcript_regex.txt*. Running ```bash -python example.py -t exampleSession.txt +python example.py -t transcript_regex.txt ``` will run all the commands in the transcript against `example.py`, verifying that the output produced matches the transcript. -example/exampleSession.txt: +example/transcript_regex.txt: ```text -(Cmd) help - -Documented commands (type help <topic>): -======================================== -_relative_load edit history orate pyscript run say shell show -cmdenvironment help load py quit save set shortcuts speak - -(Cmd) help say -Repeats what you tell me to. -Usage: speak [options] arg - -Options: - -h, --help show this help message and exit - -p, --piglatin atinLay - -s, --shout N00B EMULATION MODE - -r REPEAT, --repeat=REPEAT - output [n] times - -(Cmd) say goodnight, Gracie -goodnight, Gracie -(Cmd) say -ps --repeat=5 goodnight, Gracie -OODNIGHT, GRACIEGAY -OODNIGHT, GRACIEGAY -OODNIGHT, GRACIEGAY -(Cmd) set maxrepeats 5 -maxrepeats - was: 3 -now: 5 -(Cmd) say -ps --repeat=5 goodnight, Gracie -OODNIGHT, GRACIEGAY -OODNIGHT, GRACIEGAY -OODNIGHT, GRACIEGAY -OODNIGHT, GRACIEGAY -OODNIGHT, GRACIEGAY -(Cmd) hi --------------------------[1] -help --------------------------[2] -help say --------------------------[3] -say goodnight, Gracie --------------------------[4] -say -ps --repeat=5 goodnight, Gracie --------------------------[5] -set maxrepeats 5 --------------------------[6] -say -ps --repeat=5 goodnight, Gracie -(Cmd) run 4 -say -ps --repeat=5 goodnight, Gracie - -OODNIGHT, GRACIEGAY -OODNIGHT, GRACIEGAY -OODNIGHT, GRACIEGAY -OODNIGHT, GRACIEGAY -OODNIGHT, GRACIEGAY -(Cmd) orate Four score and -> seven releases ago -> our BDFL -> blah blah blah -Four score and -seven releases ago -our BDFL -blah blah blah -(Cmd) & look, a shortcut! -look, a shortcut! -(Cmd) show color +# Run this transcript with "python example.py -t transcript_regex.txt" +# The regex for colors is because no color on Windows. +# The regex for editor will match whatever program you use. +# regexes on prompts just make the trailing space obvious +(Cmd) set +abbrev: True +autorun_on_edit: False colors: /(True|False)/ -(Cmd) set prompt "---> " -prompt - was: (Cmd) -now: ---> ----> say goodbye -goodbye +continuation_prompt: >/ / +debug: False +echo: False +editor: /.*?/ +feedback_to_output: False +locals_in_py: True +maxrepeats: 3 +prompt: (Cmd)/ / +quiet: False +timing: False ``` -Note how a regular expression `/(True|False)/` is used near the end for output of the **show color** command since +Note how a regular expression `/(True|False)/` is used for output of the **show color** command since colored text is currently not available for cmd2 on Windows. Regular expressions can be used anywhere within a transcript file simply by embedding them within two forward slashes, `/`. @@ -46,6 +46,13 @@ from optparse import make_option import pyparsing import pyperclip +# Newer versions of pyperclip are released as a single file, but older versions had a more complicated structure +try: + from pyperclip.exceptions import PyperclipException +except ImportError: + # noinspection PyUnresolvedReferences + from pyperclip import PyperclipException + # On some systems, pyperclip will import gtk for its clipboard functionality. # The following code is a workaround for gtk interfering with printing from a background # thread while the CLI thread is blocking in raw_input() in Python 2 on Linux. @@ -98,7 +105,7 @@ if six.PY3: else: BROKEN_PIPE_ERROR = IOError -__version__ = '0.7.8a' +__version__ = '0.7.9a' # Pyparsing enablePackrat() can greatly speed up parsing, but problems have been seen in Python 3 in the past pyparsing.ParserElement.enablePackrat() @@ -339,13 +346,17 @@ def options(option_list, arg_desc="arg"): # Can we access the clipboard? Should always be true on Windows and Mac, but only sometimes on Linux # noinspection PyUnresolvedReferences try: - if sys.platform.startswith('linux'): + # Get the version of the pyperclip module as a float + pyperclip_ver = float('.'.join(pyperclip.__version__.split('.')[:2])) + + # The extraneous output bug in pyperclip on Linux using xclip was fixed in more recent versions of pyperclip + if sys.platform.startswith('linux') and pyperclip_ver < 1.6: # Avoid extraneous output to stderr from xclip when clipboard is empty at cost of overwriting clipboard contents pyperclip.copy('') else: # Try getting the contents of the clipboard _ = pyperclip.paste() -except pyperclip.exceptions.PyperclipException: +except PyperclipException: can_clip = False else: can_clip = True @@ -597,7 +608,7 @@ class Cmd(cmd.Cmd): Also handles BrokenPipeError exceptions for when a commands's output has been piped to another process and that process terminates before the cmd2 command is finished executing. - :param msg: str - message to print to current stdout - anyting convertible to a str with '{}'.format() is OK + :param msg: str - message to print to current stdout - anything convertible to a str with '{}'.format() is OK :param end: str - string appended after the end of the message if not already present, default a newline """ if msg is not None and msg != '': diff --git a/docs/conf.py b/docs/conf.py index f79d5b3c..1212a6e2 100644 --- a/docs/conf.py +++ b/docs/conf.py @@ -62,7 +62,7 @@ author = 'Catherine Devlin and Todd Leonhardt' # The short X.Y version. version = '0.7' # The full version, including alpha/beta/rc tags. -release = '0.7.7' +release = '0.7.8' # The language for content autogenerated by Sphinx. Refer to documentation # for a list of supported languages. diff --git a/docs/index.rst b/docs/index.rst index ae7ea300..8e8817b2 100644 --- a/docs/index.rst +++ b/docs/index.rst @@ -46,10 +46,8 @@ Resources * cmd_ * `cmd2 project page`_ * `project bug tracker`_ -* `PyCon 2010 presentation <https://github.com/python-cmd2/cmd2/blob/master/docs/pycon2010/pycon2010.rst>`_, - *Easy Command-Line Applications with cmd and cmd2*: - :doc:`slides <pycon2010/pycon2010>`, - `video <http://pyvideo.org/pycon-us-2010/pycon-2010--easy-command-line-applications-with-c.html>`_ +* Florida PyCon 2017: `slides <https://docs.google.com/presentation/d/1LRmpfBt3V-pYQfgQHdczf16F3hcXmhK83tl77R6IJtE>`_ +* PyOhio 2011: `video <https://archive.org/details/pyvideo_541___pyohio-2011-interactive-command-line-interpreters-with-cmd-and-cmd2>`_ These docs will refer to ``App`` as your ``cmd2.Cmd`` subclass, and ``app`` as an instance of ``App``. Of diff --git a/docs/install.rst b/docs/install.rst index 1edba409..9e330c3c 100644 --- a/docs/install.rst +++ b/docs/install.rst @@ -107,6 +107,10 @@ the following Python packages are installed: * pyparsing * pyperclip +On Windows, there is an additional dependency: + + * pyreadline + Upgrading cmd2 -------------- diff --git a/docs/integrating.rst b/docs/integrating.rst index 32ab37e0..bcb9301c 100644 --- a/docs/integrating.rst +++ b/docs/integrating.rst @@ -46,10 +46,14 @@ code like the following:: # Do this within whatever event loop mechanism you wish to run a single command cmd_line_text = "help history" - app.onecmd_plus_hooks(cmd_line_text) + app.runcmds_plus_hooks([cmd_line_text]) app.postloop() +The **runcmds_plus_hooks()** method is a convenience method to run multiple commands via **onecmd_plus_hooks()**. It +properly deals with ``load`` commands which under the hood put commands in a FIFO queue as it reads them in from a +script file. + The **onecmd_plus_hooks()** method will do the following to execute a single ``cmd2`` command in a normal fashion: #. Parse the command line text @@ -70,4 +74,10 @@ several disadvantages, including: * Does not support transcript testing * Does not allow commands at invocation via command-line arguments +Here is a little more info on ``runcmds_plus_hooks``: + +.. automethod:: cmd2.Cmd.runcmds_plus_hooks + + + diff --git a/docs/pycon2010/akkad.png b/docs/pycon2010/akkad.png Binary files differdeleted file mode 100644 index 57799e97..00000000 --- a/docs/pycon2010/akkad.png +++ /dev/null diff --git a/docs/pycon2010/apple.jpg b/docs/pycon2010/apple.jpg Binary files differdeleted file mode 100644 index 2148af3b..00000000 --- a/docs/pycon2010/apple.jpg +++ /dev/null diff --git a/docs/pycon2010/hook.jpg b/docs/pycon2010/hook.jpg Binary files differdeleted file mode 100644 index 819370d0..00000000 --- a/docs/pycon2010/hook.jpg +++ /dev/null diff --git a/docs/pycon2010/pirate.py b/docs/pycon2010/pirate.py deleted file mode 100644 index bd8b5170..00000000 --- a/docs/pycon2010/pirate.py +++ /dev/null @@ -1,10 +0,0 @@ -# coding=utf-8 -from cmd import Cmd - - -class Pirate(Cmd): - pass - - -pirate = Pirate() -pirate.cmdloop() diff --git a/docs/pycon2010/pirate2.py b/docs/pycon2010/pirate2.py deleted file mode 100644 index 343f94ff..00000000 --- a/docs/pycon2010/pirate2.py +++ /dev/null @@ -1,24 +0,0 @@ -# coding=utf-8 -from cmd import Cmd - - -# using ``do_`` methods - -class Pirate(Cmd): - gold = 3 - - def do_loot(self, arg): - 'Seize booty from a passing ship.' - self.gold += 1 - print('Now we gots {0} doubloons' - .format(self.gold)) - - def do_drink(self, arg): - 'Drown your sorrrows in rrrum.' - self.gold -= 1 - print('Now we gots {0} doubloons' - .format(self.gold)) - - -pirate = Pirate() -pirate.cmdloop() diff --git a/docs/pycon2010/pirate3.py b/docs/pycon2010/pirate3.py deleted file mode 100644 index 46f26501..00000000 --- a/docs/pycon2010/pirate3.py +++ /dev/null @@ -1,30 +0,0 @@ -# coding=utf-8 -from cmd import Cmd - - -# using hook - -class Pirate(Cmd): - gold = 3 - initial_gold = gold - - def do_loot(self, arg): - 'Seize booty from a passing ship.' - self.gold += 1 - - def do_drink(self, arg): - 'Drown your sorrrows in rrrum.' - self.gold -= 1 - - def precmd(self, line): - self.initial_gold = self.gold - return line - - def postcmd(self, stop, line): - if self.gold != self.initial_gold: - print('Now we gots {0} doubloons' - .format(self.gold)) - - -pirate = Pirate() -pirate.cmdloop() diff --git a/docs/pycon2010/pirate4.py b/docs/pycon2010/pirate4.py deleted file mode 100644 index ae1e1f4b..00000000 --- a/docs/pycon2010/pirate4.py +++ /dev/null @@ -1,36 +0,0 @@ -# coding=utf-8 -from cmd import Cmd - - -# using arguments - -class Pirate(Cmd): - gold = 3 - initial_gold = gold - - def do_loot(self, arg): - 'Seize booty from a passing ship.' - self.gold += 1 - - def do_drink(self, arg): - '''Drown your sorrrows in rrrum. - - drink [n] - drink [n] barrel[s] o' rum.''' - try: - self.gold -= int(arg) - except: - if arg: - print('''What's "{0}"? I'll take rrrum.'''.format(arg)) - self.gold -= 1 - - def precmd(self, line): - self.initial_gold = self.gold - return line - - def postcmd(self, stop, line): - if self.gold != self.initial_gold: - print('Now we gots {0} doubloons'.format(self.gold)) - - -pirate = Pirate() -pirate.cmdloop() diff --git a/docs/pycon2010/pirate5.py b/docs/pycon2010/pirate5.py deleted file mode 100644 index 68da88a5..00000000 --- a/docs/pycon2010/pirate5.py +++ /dev/null @@ -1,45 +0,0 @@ -# coding=utf-8 -from cmd import Cmd - - -# quitting - -class Pirate(Cmd): - gold = 3 - initial_gold = gold - - def do_loot(self, arg): - 'Seize booty from a passing ship.' - self.gold += 1 - - def do_drink(self, arg): - '''Drown your sorrrows in rrrum. - - drink [n] - drink [n] barrel[s] o' rum.''' - try: - self.gold -= int(arg) - except: - if arg: - print('''What's "{0}"? I'll take rrrum.'''.format(arg)) - self.gold -= 1 - - def precmd(self, line): - self.initial_gold = self.gold - return line - - def postcmd(self, stop, line): - if self.gold != self.initial_gold: - print('Now we gots {0} doubloons' - .format(self.gold)) - if self.gold < 0: - print("Off to debtorrr's prison.") - stop = True - return stop - - def do_quit(self, arg): - print("Quiterrr!") - return True - - -pirate = Pirate() -pirate.cmdloop() diff --git a/docs/pycon2010/pirate6.py b/docs/pycon2010/pirate6.py deleted file mode 100644 index bd5f5fe2..00000000 --- a/docs/pycon2010/pirate6.py +++ /dev/null @@ -1,50 +0,0 @@ -# coding=utf-8 -from cmd2 import Cmd - - -# prompts and defaults - -class Pirate(Cmd): - gold = 3 - initial_gold = gold - prompt = 'arrr> ' - - def default(self, line): - print('What mean ye by "{0}"?' - .format(line)) - - def do_loot(self, arg): - 'Seize booty from a passing ship.' - self.gold += 1 - - def do_drink(self, arg): - '''Drown your sorrrows in rrrum. - - drink [n] - drink [n] barrel[s] o' rum.''' - try: - self.gold -= int(arg) - except: - if arg: - print('''What's "{0}"? I'll take rrrum.'''.format(arg)) - self.gold -= 1 - - def precmd(self, line): - self.initial_gold = self.gold - return line - - def postcmd(self, stop, line): - if self.gold != self.initial_gold: - print('Now we gots {0} doubloons' - .format(self.gold)) - if self.gold < 0: - print("Off to debtorrr's prison.") - stop = True - return stop - - def do_quit(self, arg): - print("Quiterrr!") - return True - - -pirate = Pirate() -pirate.cmdloop() diff --git a/docs/pycon2010/pirate7.py b/docs/pycon2010/pirate7.py deleted file mode 100644 index 799f73ed..00000000 --- a/docs/pycon2010/pirate7.py +++ /dev/null @@ -1,59 +0,0 @@ -# coding=utf-8 -from cmd2 import Cmd - - -# prompts and defaults - -class Pirate(Cmd): - gold = 3 - initial_gold = gold - prompt = 'arrr> ' - - def default(self, line): - print('What mean ye by "{0}"?'.format(line)) - - def do_loot(self, arg): - 'Seize booty from a passing ship.' - self.gold += 1 - - def do_drink(self, arg): - '''Drown your sorrrows in rrrum. - - drink [n] - drink [n] barrel[s] o' rum.''' - try: - self.gold -= int(arg) - except: - if arg: - print('''What's "{0}"? I'll take rrrum.'''.format(arg)) - self.gold -= 1 - - def precmd(self, line): - self.initial_gold = self.gold - return line - - def postcmd(self, stop, line): - if self.gold != self.initial_gold: - print('Now we gots {0} doubloons' - .format(self.gold)) - if self.gold < 0: - print("Off to debtorrr's prison.") - stop = True - return stop - - def do_quit(self, arg): - print("Quiterrr!") - return True - - default_to_shell = True - multilineCommands = ['sing'] - terminators = Cmd.terminators + ['...'] - songcolor = 'blue' - settable = Cmd.settable + 'songcolor Color to ``sing`` in (red/blue/green/cyan/magenta, bold, underline)' - Cmd.shortcuts.update({'~': 'sing'}) - - def do_sing(self, arg): - print(self.colorize(arg, self.songcolor)) - - -pirate = Pirate() -pirate.cmdloop() diff --git a/docs/pycon2010/pirate8.py b/docs/pycon2010/pirate8.py deleted file mode 100644 index 58b56208..00000000 --- a/docs/pycon2010/pirate8.py +++ /dev/null @@ -1,71 +0,0 @@ -# coding=utf-8 -from cmd2 import Cmd, options, make_option - - -# prompts and defaults - -class Pirate(Cmd): - gold = 3 - initial_gold = gold - prompt = 'arrr> ' - - def default(self, line): - print('What mean ye by "{0}"?'.format(line)) - - def do_loot(self, arg): - 'Seize booty from a passing ship.' - self.gold += 1 - - def do_drink(self, arg): - '''Drown your sorrrows in rrrum. - - drink [n] - drink [n] barrel[s] o' rum.''' - try: - self.gold -= int(arg) - except: - if arg: - print('''What's "{0}"? I'll take rrrum.'''.format(arg)) - self.gold -= 1 - - def precmd(self, line): - self.initial_gold = self.gold - return line - - def postcmd(self, stop, line): - if self.gold != self.initial_gold: - print('Now we gots {0} doubloons' - .format(self.gold)) - if self.gold < 0: - print("Off to debtorrr's prison.") - stop = True - return stop - - def do_quit(self, arg): - print("Quiterrr!") - return True - - default_to_shell = True - multilineCommands = ['sing'] - terminators = Cmd.terminators + ['...'] - songcolor = 'blue' - settable = Cmd.settable + 'songcolor Color to ``sing`` in (red/blue/green/cyan/magenta, bold, underline)' - Cmd.shortcuts.update({'~': 'sing'}) - - def do_sing(self, arg): - print(self.colorize(arg, self.songcolor)) - - @options([make_option('--ho', type='int', default=2, - help="How often to chant 'ho'"), - make_option('-c', '--commas', - action="store_true", - help="Intersperse commas")]) - def do_yo(self, arg, opts): - chant = ['yo'] + ['ho'] * opts.ho - separator = ', ' if opts.commas else ' ' - chant = separator.join(chant) - print('{0} and a bottle of {1}' - .format(chant, arg)) - - -pirate = Pirate() -pirate.cmdloop() diff --git a/docs/pycon2010/pycon2010.rst b/docs/pycon2010/pycon2010.rst deleted file mode 100644 index 6c3af676..00000000 --- a/docs/pycon2010/pycon2010.rst +++ /dev/null @@ -1,382 +0,0 @@ -================================================ -Easy command-line interpreters with cmd and cmd2 -================================================ - -:author: Catherine Devlin -:date: 2010-02-20 -:slides: http://pypi.python.org/pypi/cmd2 - -Web 2.0 -======= - -.. image:: web-2-0-logos.gif - :height: 350px - -But first... -============ - -.. image:: sargon.jpg - :height: 250px - -.. image:: akkad.png - :height: 250px - -Sargon the Great - Founder of Akkadian Empire - -.. twenty-third century BC - -In between -========== - -.. image:: apple.jpg - :height: 250px - -Command-Line Interface - Unlike the Akkadian Empire, - the CLI will never die. - -Defining CLI -============ - -Also known as - -- "Line-oriented command interpreter" -- "Command-line interface" -- "Shell" - -1. Accepts free text input at prompt -2. Outputs lines of text -3. (repeat) - -Examples -======== - -.. class:: big - - * Bash, Korn, zsh - * Python shell - * screen - * Zork - * SQL clients: psql, SQL*\Plus, mysql... - * ed - -.. ``ed`` proves that CLI is sometimes the wrong answer. - -!= Command Line Utilities -========================= - -.. class:: big - - (``ls``, ``grep``, ``ping``, etc.) - - 1. Accept arguments at invocation - 2. execute - 3. terminate - - Use ``sys.argv``, ``optparse`` - -!="Text User Interface" -======================= - -* Use entire (session) screen -* I/O is *not* line-by-line -* See ``curses``, ``urwid`` - -.. image:: urwid.png - :height: 250px - - -Decide your priorities -====================== - -.. image:: strategy.png - :height: 350px - -A ``cmd`` app: pirate.py -======================== - -:: - - from cmd import Cmd - - class Pirate(Cmd): - pass - - pirate = Pirate() - pirate.cmdloop() - -.. Nothing here... but history and help - -.. ctrl-r for bash-style history - -Fundamental prrrinciple -======================= - -.. class:: huge - - ``(Cmd) foo a b c`` - - becomes - - ``self.do_foo('a b c')`` - -``do_``-methods: pirate2.py -=========================== - -:: - - class Pirate(Cmd): - gold = 3 - def do_loot(self, arg): - 'Seize booty frrrom a passing ship.' - self.gold += 1 - print('Now we gots {0} doubloons' - .format(self.gold)) - def do_drink(self, arg): - 'Drown your sorrrows in rrrum.' - self.gold -= 1 - print('Now we gots {0} doubloons' - .format(self.gold)) - -.. do_methods; more help - -Hooks -===== - -.. image:: hook.jpg - :height: 250px - -:: - - self.preloop() - self.postloop() - self.precmd(line) - self.postcmd(stop, line) - -Hooks: pirate3.py -================= - -:: - - def do_loot(self, arg): - 'Seize booty from a passing ship.' - self.gold += 1 - def do_drink(self, arg): - 'Drown your sorrrows in rrrum.' - self.gold -= 1 - def precmd(self, line): - self.initial_gold = self.gold - return line - def postcmd(self, stop, line): - if self.gold != self.initial_gold: - print('Now we gots {0} doubloons' - .format(self.gold)) - -Arguments: pirate4.py -===================== - -:: - - def do_drink(self, arg): - '''Drown your sorrrows in rrrum. - - drink [n] - drink [n] barrel[s] o' rum.''' - try: - self.gold -= int(arg) - except: - if arg: - print('''What's "{0}"? I'll take rrrum.''' - .format(arg)) - self.gold -= 1 - -quitting: pirate5.py -==================== - -:: - - def postcmd(self, stop, line): - if self.gold != self.initial_gold: - print('Now we gots {0} doubloons' - .format(self.gold)) - if self.gold < 0: - print("Off to debtorrr's prison.") - stop = True - return stop - def do_quit(self, arg): - print("Quiterrr!") - return True - -prompts, defaults: pirate6.py -============================= - -:: - - prompt = 'arrr> ' - def default(self, line): - print('What mean ye by "{0}"?' - .format(line)) - -Other CLI packages -================== - -.. class:: big - - * CmdLoop - * cly - * CMdO - * pycopia - * cmdlin - * cmd2 - -Demo -==== - -.. class:: huge - - Convert ``cmd`` app to ``cmd2`` - -cmd2 -==== - -.. image:: schematic.png - :height: 350px - -As you wish, Guido -================== - -.. class:: huge - - Python 3 compatible - -(um, mostly) - -Absolutely free -=============== - -Script files - -Commands at invocation - -Output redirection - -Python - -Transcript testing - -But wait, there's more -====================== - - * Abbreviated commands - * Shell commands - * Quitting - * Timing - * Echo - * Debug - -Minor changes: pirate7.py -========================= - -:: - - default_to_shell = True - multilineCommands = ['sing'] - terminators = Cmd.terminators + ['...'] - songcolor = 'blue' - settable = Cmd.settable + 'songcolor Color to ``sing`` in (red/blue/green/cyan/magenta, bold, underline)' - Cmd.shortcuts.update({'~': 'sing'}) - def do_sing(self, arg): - print(self.colorize(arg, self.songcolor)) - -Now how much would you pay? -=========================== - -options / flags - -Quiet (suppress feedback) - -BASH-style ``select`` - -Parsing: terminators, suffixes - -Options: pirate8.py -=================== - -:: - - @options([make_option('--ho', type='int', default=2, - help="How often to chant 'ho'"), - make_option('-c', '--commas', - action="store_true", - help="Intersperse commas")]) - def do_yo(self, arg, opts): - chant = ['yo'] + ['ho'] * opts.ho - separator = ', ' if opts.commas else ' ' - chant = separator.join(chant) - print('{0} and a bottle of {1}' - .format(chant, arg)) - -Serious example: sqlpython -========================== - -.. class:: big - - ``cmd``-based app by Luca Canali @ CERN - - Replacement for Oracle SQL\*Plus - - Now ``cmd2``-based; postgreSQL; MySQL - -File reporter -============= - -.. class:: huge - - Gather info: Python - - Store: postgresql - - Report: html - -fileutil.py -=========== - -:: - - import glob - import os.path - - for fullfilename in glob.glob('/home/cat/proj/cmd2/*.py'): - (dirpath, fname) = os.path.split(fullfilename) - stats = os.stat(fullfilename) - binds['path'] = dirpath - binds['name'] = fname - binds['bytes'] = stats.st_size - cmd("""INSERT INTO cat.files (path, name, bytes) - VALUES (%(path)s, %(name)s, %(bytes)s)""") - quit() - -sqlpython features -================== - -.. class:: big - - * from ``cmd2``: scripts, redirection, - py, etc. - * multiple connections - * UNIX: ls, cat, grep - * Special output - - -Thank you -========= - -.. class:: big - - http://pypi.python.org/pypi/cmd2 - - http://catherinedevlin.blogspot.com - - http://catherinedevlin.pythoneers.com - - diff --git a/docs/pycon2010/sargon.jpg b/docs/pycon2010/sargon.jpg Binary files differdeleted file mode 100644 index 5960f1e0..00000000 --- a/docs/pycon2010/sargon.jpg +++ /dev/null diff --git a/docs/pycon2010/schematic.png b/docs/pycon2010/schematic.png Binary files differdeleted file mode 100644 index d4b39092..00000000 --- a/docs/pycon2010/schematic.png +++ /dev/null diff --git a/docs/pycon2010/script.txt b/docs/pycon2010/script.txt deleted file mode 100644 index c638b1a7..00000000 --- a/docs/pycon2010/script.txt +++ /dev/null @@ -1,5 +0,0 @@ -loot -loot -drink /* arrr */ 2 # matey -drink chardonnay - diff --git a/docs/pycon2010/strategy.png b/docs/pycon2010/strategy.png Binary files differdeleted file mode 100644 index 7d6afdcd..00000000 --- a/docs/pycon2010/strategy.png +++ /dev/null diff --git a/docs/pycon2010/transcript.txt b/docs/pycon2010/transcript.txt deleted file mode 100644 index d00e44fc..00000000 --- a/docs/pycon2010/transcript.txt +++ /dev/null @@ -1,12 +0,0 @@ -arrr> loot -Now we gots 4 doubloons -arrr> loot -Now we gots 5 doubloons -arrr> drink 3 -Now we gots 2 doubloons -arrr> drink chardonnay -What's "chardonnay"? I'll take rrrum. -Now we gots 1 doubloons -arrr> quit -Quiterrr! - diff --git a/docs/pycon2010/urwid.png b/docs/pycon2010/urwid.png Binary files differdeleted file mode 100644 index c2b5a9bf..00000000 --- a/docs/pycon2010/urwid.png +++ /dev/null diff --git a/docs/pycon2010/web-2-0-logos.gif b/docs/pycon2010/web-2-0-logos.gif Binary files differdeleted file mode 100644 index 9d48e37d..00000000 --- a/docs/pycon2010/web-2-0-logos.gif +++ /dev/null diff --git a/docs/settingchanges.rst b/docs/settingchanges.rst index 326db3f5..0a24651b 100644 --- a/docs/settingchanges.rst +++ b/docs/settingchanges.rst @@ -19,11 +19,11 @@ Whether or not you set ``case_insensitive``, *please do not* define command method names with any uppercase letters. ``cmd2`` expects all command methods to be lowercase. -Shortcuts -========= +Shortcuts (command aliases) +=========================== -Special-character shortcuts for common commands can make life more convenient for your -users. Shortcuts are used without a space separating them from their arguments, +Command aliases for long command names such as special-character shortcuts for common commands can make life more +convenient for your users. Shortcuts are used without a space separating them from their arguments, like ``!ls``. By default, the following shortcuts are defined: ``?`` @@ -42,7 +42,20 @@ To define more shortcuts, update the dict ``App.shortcuts`` with the {'shortcut': 'command_name'} (omit ``do_``):: class App(Cmd2): - Cmd2.shortcuts.update({'*': 'sneeze', '~': 'squirm'}) + def __init__(self): + # Make sure you update the shortcuts attribute before calling the super class __init__ + self.shortcuts.update({'*': 'sneeze', '~': 'squirm'}) + + # Make sure to call this super class __init__ after updating shortcuts + cmd2.Cmd.__init__(self) + +.. warning:: + + Command aliases needed to be created by updating the ``shortcuts`` dictionary attribute prior to calling the + ``cmd2.Cmd`` super class ``__init__()`` method. Moreover, that super class init method needs to be called after + updating the ``shortcuts`` attribute This warning applies in general to many other attributes which are not + settable at runtime such as ``commentGrammars``, ``multilineCommands``, etc. + Default to shell ================ diff --git a/examples/arg_print.py b/examples/arg_print.py index 20fa7c02..849cf386 100755 --- a/examples/arg_print.py +++ b/examples/arg_print.py @@ -6,6 +6,8 @@ This is intended to serve as a live demonstration so that developers can experiment with and understand how command and argument parsing is intended to work. + +It also serves as an example of how to create command aliases (shortcuts). """ import pyparsing import cmd2 @@ -19,8 +21,13 @@ class ArgumentAndOptionPrinter(cmd2.Cmd): # Uncomment this line to disable Python-style comments but still allow C-style comments # self.commentGrammars = pyparsing.Or([pyparsing.cStyleComment]) - # Make sure to call this super class __init__ after setting commentGrammars and not before + # Create command aliases which are shorter + self.shortcuts.update({'ap': 'aprint', 'op': 'oprint'}) + + # Make sure to call this super class __init__ *after* setting commentGrammars and/or updating shortcuts cmd2.Cmd.__init__(self) + # NOTE: It is critical that the super class __init__ method be called AFTER updating certain parameters which + # are not settable at runtime. This includes the commentGrammars, shortcuts, multilineCommands, etc. def do_aprint(self, arg): """Print the argument string this basic command is called with.""" diff --git a/examples/argparse_example.py b/examples/argparse_example.py index 8c25b0ef..805bab77 100755 --- a/examples/argparse_example.py +++ b/examples/argparse_example.py @@ -1,7 +1,8 @@ #!/usr/bin/env python # coding=utf-8 """A sample application for cmd2 showing how to use Argparse to process command line arguments for your application. -It doubles as an example of how you can still do transcript testing even if allow_cli_args is false. +It parses command line arguments looking for known arguments, but then still passes any unknown arguments onto cmd2 +to treat them as arguments at invocation. Thanks to cmd2's built-in transcript testing capability, it also serves as a test suite for argparse_example.py when used with the exampleSession.txt transcript. @@ -10,6 +11,7 @@ Running `python argparse_example.py -t exampleSession.txt` will run all the comm argparse_example.py, verifying that the output produced matches the transcript. """ import argparse +import sys from cmd2 import Cmd, make_option, options, with_argument_parser @@ -28,7 +30,7 @@ class CmdLineApp(Cmd): Cmd.__init__(self, use_ipython=False, transcript_files=transcript_files) # Disable cmd's usage of command-line arguments as commands to be run at invocation - self.allow_cli_args = False + # self.allow_cli_args = False # Example of args set from the command-line (but they aren't being used here) self._ip = ip_addr @@ -92,8 +94,7 @@ if __name__ == '__main__': parser.add_argument('-i', '--ip', type=str, help='IPv4 address') # Add an argument which enables transcript testing - parser.add_argument('-t', '--test', type=str, help='Test against transcript in FILE (wildcards OK)') - args = parser.parse_args() + args, unknown_args = parser.parse_known_args() port = None if args.port: @@ -103,12 +104,11 @@ if __name__ == '__main__': if args.ip: ip_addr = args.ip - transcripts = None - if args.test: - transcripts = [args.test] + # Perform surgery on sys.argv to remove the arguments which have already been processed by argparse + sys.argv = sys.argv[:1] + unknown_args # Instantiate your cmd2 application - c = CmdLineApp(transcript_files=transcripts) + c = CmdLineApp() # And run your cmd2 application c.cmdloop() diff --git a/examples/example.py b/examples/example.py index e4158f13..889e62c0 100755 --- a/examples/example.py +++ b/examples/example.py @@ -4,9 +4,9 @@ A sample application for cmd2. Thanks to cmd2's built-in transcript testing capability, it also serves as a -test suite for example.py when used with the exampleSession.txt transcript. +test suite for example.py when used with the transcript_regex.txt transcript. -Running `python example.py -t exampleSession.txt` will run all the commands in +Running `python example.py -t transcript_regex.txt` will run all the commands in the transcript against example.py, verifying that the output produced matches the transcript. """ diff --git a/examples/exampleSession.txt b/examples/exampleSession.txt index de7eea96..ef6df857 100644 --- a/examples/exampleSession.txt +++ b/examples/exampleSession.txt @@ -1,72 +1,18 @@ -# Run this transcript with "python example.py -t exampleSession.txt" -(Cmd) help - -Documented commands (type help <topic>): -======================================== -_relative_load edit history orate pyscript run say shell show -cmdenvironment help load py quit save set shortcuts speak - -(Cmd) help say -Repeats what you tell me to. -Usage: speak [options] arg - -Options: - -h, --help show this help message and exit - -p, --piglatin atinLay - -s, --shout N00B EMULATION MODE - -r REPEAT, --repeat=REPEAT - output [n] times - -(Cmd) say goodnight, Gracie -goodnight, Gracie -(Cmd) say -ps --repeat=5 goodnight, Gracie -OODNIGHT, GRACIEGAY -OODNIGHT, GRACIEGAY -OODNIGHT, GRACIEGAY -(Cmd) set maxrepeats 5 -maxrepeats - was: 3 -now: 5 -(Cmd) say -ps --repeat=5 goodnight, Gracie -OODNIGHT, GRACIEGAY -OODNIGHT, GRACIEGAY -OODNIGHT, GRACIEGAY -OODNIGHT, GRACIEGAY -OODNIGHT, GRACIEGAY -(Cmd) hi --------------------------[1] -help --------------------------[2] -help say --------------------------[3] -say goodnight, Gracie --------------------------[4] -say -ps --repeat=5 goodnight, Gracie --------------------------[5] -set maxrepeats 5 --------------------------[6] -say -ps --repeat=5 goodnight, Gracie -(Cmd) run 4 -say -ps --repeat=5 goodnight, Gracie - -OODNIGHT, GRACIEGAY -OODNIGHT, GRACIEGAY -OODNIGHT, GRACIEGAY -OODNIGHT, GRACIEGAY -OODNIGHT, GRACIEGAY -(Cmd) orate Four score and -> seven releases ago -> our BDFL -> blah blah blah -Four score and -seven releases ago -our BDFL -blah blah blah -(Cmd) & look, a shortcut! -look, a shortcut! -(Cmd) show color +# Run this transcript with "python argparse_example.py -t exampleSession.txt" +# The regex for colors is because no color on Windows. +# The regex for editor will match whatever program you use. +# regexes on prompts just make the trailing space obvious +(Cmd) set +abbrev: False +autorun_on_edit: False colors: /(True|False)/ -(Cmd) set prompt "---> " -prompt - was: (Cmd) -now: ---> ----> say goodbye -goodbye +continuation_prompt: >/ / +debug: False +echo: False +editor: /.*?/ +feedback_to_output: False +locals_in_py: True +maxrepeats: 3 +prompt: (Cmd)/ / +quiet: False +timing: False @@ -3,9 +3,10 @@ """ Setuptools setup file, used to install or test 'cmd2' """ +import sys from setuptools import setup -VERSION = '0.7.8a' +VERSION = '0.7.9a' DESCRIPTION = "cmd2 - a tool for building interactive command line applications in Python" LONG_DESCRIPTION = """cmd2 is a tool for building interactive command line applications in Python. Its goal is to make it quick and easy for developers to build feature-rich and user-friendly interactive command line applications. It @@ -61,6 +62,9 @@ Topic :: Software Development :: Libraries :: Python Modules """.splitlines()))) INSTALL_REQUIRES = ['pyparsing >= 2.0.1', 'pyperclip', 'six'] +if sys.platform.startswith('win'): + INSTALL_REQUIRES += ['pyreadline'] + # unittest.mock was added in Python 3.3. mock is a backport of unittest.mock to all versions of Python TESTS_REQUIRE = ['mock', 'pytest'] DOCS_REQUIRE = ['sphinx', 'sphinx_rtd_theme', 'pyparsing', 'pyperclip', 'six'] diff --git a/tests/test_cmd2.py b/tests/test_cmd2.py index c395acc3..c877e60f 100644 --- a/tests/test_cmd2.py +++ b/tests/test_cmd2.py @@ -24,7 +24,7 @@ from conftest import run_cmd, normalize, BASE_HELP, HELP_HISTORY, SHORTCUTS_TXT, def test_ver(): - assert cmd2.__version__ == '0.7.8a' + assert cmd2.__version__ == '0.7.9a' def test_empty_statement(base_app): @@ -24,6 +24,22 @@ commands = py.test {posargs: -n 2} --cov=cmd2 --cov-report=term-missing codecov +[testenv:py27-win] +deps = + codecov + mock + pyparsing + pyperclip + pyreadline + pytest + pytest-cov + pytest-xdist + six + subprocess32 +commands = + py.test {posargs: -n 2} --cov=cmd2 --cov-report=term-missing + codecov + [testenv:py33] deps = mock @@ -54,6 +70,17 @@ deps = six commands = py.test -v -n2 +[testenv:py35-win] +deps = + mock + pyparsing + pyperclip + pyreadline + pytest + pytest-xdist + six +commands = py.test -v -n2 + [testenv:py36] deps = codecov @@ -73,6 +100,7 @@ deps = mock pyparsing pyperclip + pyreadline pytest pytest-xdist six |
