ipy_stock_completers.py
123 lines
| 4.0 KiB
| text/x-python
|
PythonLexer
vivainio
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r394 | """ Tab completion support for a couple of linux package managers | |
This is also an example of how to write custom completer plugins | |||
or hooks. | |||
Practical use: | |||
[ipython]|1> import ipy_linux_package_managers | |||
[ipython]|2> apt-get u<<< press tab here >>> | |||
update upgrade | |||
[ipython]|2> apt-get up | |||
""" | |||
import IPython.ipapi | |||
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r402 | import glob,os,shlex | |
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r394 | ||
ip = IPython.ipapi.get() | |||
def apt_completers(self, event): | |||
""" This should return a list of strings with possible completions. | |||
Note that all the included strings that don't start with event.symbol | |||
are removed, in order to not confuse readline. | |||
""" | |||
# print event # dbg | |||
# commands are only suggested for the 'command' part of package manager | |||
# invocation | |||
cmd = (event.line + "<placeholder>").rsplit(None,1)[0] | |||
# print cmd | |||
if cmd.endswith('apt-get') or cmd.endswith('yum'): | |||
return ['update', 'upgrade', 'install', 'remove'] | |||
# later on, add dpkg -l / whatever to get list of possible | |||
# packages, add switches etc. for the rest of command line | |||
# filling | |||
raise IPython.ipapi.TryNext | |||
# re_key specifies the regexp that triggers the specified completer | |||
ip.set_hook('complete_command', apt_completers, re_key = '.*apt-get') | |||
ip.set_hook('complete_command', apt_completers, re_key = '.*yum') | |||
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r395 | ||
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r409 | pkg_cache = None | |
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r395 | def module_completer(self,event): | |
""" Give completions after user has typed 'import' """ | |||
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r406 | ||
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r409 | global pkg_cache | |
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r407 | import pkgutil,imp,time | |
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r409 | #current = | |
if pkg_cache is None: | |||
print "\n\n[Standby while scanning modules, this can take a while]\n\n" | |||
pkg_cache = list(pkgutil.walk_packages()) | |||
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r410 | already = set() | |
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r409 | for ld, name, ispkg in pkg_cache: | |
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r410 | if name.count('.') < event.symbol.count('.') + 1: | |
if name not in already: | |||
already.add(name) | |||
yield name + (ispkg and '.' or '') | |||
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r407 | return | |
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r395 | ||
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r397 | ip.set_hook('complete_command', module_completer, str_key = 'import') | |
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r407 | ip.set_hook('complete_command', module_completer, str_key = 'from') | |
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r397 | ||
svn_commands = """\ | |||
add blame praise annotate ann cat checkout co cleanup commit ci copy | |||
cp delete del remove rm diff di export help ? h import info list ls | |||
lock log merge mkdir move mv rename ren propdel pdel pd propedit pedit | |||
pe propget pget pg proplist plist pl propset pset ps resolved revert | |||
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r401 | status stat st switch sw unlock update | |
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r397 | """ | |
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r401 | def svn_completer(self,event): | |
if len((event.line + 'placeholder').split()) > 2: | |||
# the rest are probably file names | |||
return ip.IP.Completer.file_matches(event.symbol) | |||
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r397 | return svn_commands.split() | |
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r402 | ip.set_hook('complete_command', svn_completer, str_key = 'svn') | |
def runlistpy(self, event): | |||
comps = shlex.split(event.line) | |||
relpath = (len(comps) > 1 and comps[-1] or '') | |||
print "rp",relpath | |||
if relpath.startswith('~'): | |||
relpath = os.path.expanduser(relpath) | |||
dirs = [f.replace('\\','/') + "/" for f in glob.glob(relpath+'*') if os.path.isdir(f)] | |||
pys = [f.replace('\\','/') for f in glob.glob(relpath+'*.py')] | |||
return dirs + pys | |||
ip.set_hook('complete_command', runlistpy, str_key = '%run') | |||
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r409 | def cd_completer(self, event): | |
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r402 | relpath = event.symbol | |
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r404 | ||
if '-b' in event.line: | |||
# return only bookmark completions | |||
bkms = self.db.get('bookmarks',{}) | |||
return bkms.keys() | |||
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r405 | ||
if event.symbol == '-': | |||
# jump in directory history by number | |||
ents = ['-%d [%s]' % (i,s) for i,s in enumerate(ip.user_ns['_dh'])] | |||
if len(ents) > 1: | |||
return ents | |||
return [] | |||
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r404 | ||
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r405 | ||
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r402 | if relpath.startswith('~'): | |
relpath = os.path.expanduser(relpath).replace('\\','/') | |||
found = [f.replace('\\','/')+'/' for f in glob.glob(relpath+'*') if os.path.isdir(f)] | |||
if not found: | |||
return [relpath] | |||
return found | |||
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r409 | ip.set_hook('complete_command', cd_completer, str_key = '%cd') |