#
# --| Version Information |------------------------------------------
#
-# etcat v0.1.3 (24 Apr 2003)
+# etcat v0.1.4 (27 Apr 2003)
+#
+# $Header$
#
# --| About |--------------------------------------------------------
#
#
# --| Changes |------------------------------------------------------
#
+# * etcat-0.1.4 (27 Apr 2003)
+# - Cleaned up command execution code to provide a single place
+# to specify functions
+# - Added own custom wrapping print code.
# - Added "files" feature
# - Added "depends" feature
# * etcat-0.1.3 (24 Apr 2003)
-import os,sys,string,re
+import os,sys,string,re,pprint
import getopt,glob
import portage
from stat import *
from output import *
-options = [ "changes", "versions", "uses", "size", "belongs", "depends", "files"]
__author__ = "Alastair Tse"
-__version__ = "0.1.3"
+__email__ = "liquidx@gentoo.org"
+__version__ = "0.1.4"
__productname__ = "etcat"
__description__ = "Portage Information Extractor"
if (not sys.stdout.isatty()) or (portage.settings["NOCOLOR"] in ["yes","true"]):
nocolor()
+# "option": ("shortcommand","desc",["example one", "example two"])
+options = {
+"belongs":("b","Searches for a package that owns a specified file with an option to restrict the search space.",
+["etcat belongs /usr/bin/gimp media-gfx","etcat belongs /usr/lib/libjpeg.so media-*","etcat belongs /usr/lib/libmpeg.so"]),
+"changes":("c","Outputs the changelog entry to screen. It is possible to give a version number along with the package name.",
+["etcat changes mozilla", "etcat changes mozilla-1.1-r1", "etcat changes gkrellm$"]),
+"depends":("d","Finds all packages that are directly dependent to a regex search string.",
+["etcat depends 'gnome-base/libgnome'", "etcat depends '>=dev-lang/python-2.2'"]),
+"files":("f","Lists files that belongs to a package and optionally with version.",[]),
+"size":("s","Lists the installed size of a package.",[]),
+"uses":("u", "Advanced output of USE vars in a package. Tells you flags used by a package at time of installation, flags in current config and flag description.",[]),
+"versions":("v","Displays the versions available for a specific package. Colour coded to indicate installation status and displays slot information.",
+[turquoise("(I)") + "nstalled", yellow("(~)") + "Unstable Testing Branch", red("(M)") + "asked Package"])
+}
+
+# .-------------------------------------------------------.
+# | Small Wrapping Printer with Indent Support |
+# `-------------------------------------------------------'
+
+def wrap_print(string, indent=0, width=74):
+ line_len = width - indent
+ str_len = len(string)
+ lines = []
+
+ pos = 0
+ thisline = ""
+ while pos < str_len:
+ # if we still have space stuff the
+ # character in this line
+ if len(thisline) < line_len-1:
+ thisline += string[pos]
+ pos += 1
+ # if we're at the end of the line,
+ # check if we should hyphenate or
+ # append
+ elif len(thisline) == line_len -1:
+ # end of a text
+ if pos == str_len -1:
+ thisline += string[pos]
+ pos += 1
+ # end of a word
+ elif string[pos] != " " and string[pos+1] == " ":
+ thisline += string[pos]
+ pos += 1
+ # just a space
+ elif string[pos] == " ":
+ thisline += string[pos]
+ pos += 1
+ # start of a word, we start the word on the next line
+ elif pos>0 and string[pos-1] == " ":
+ thisline += " "
+ # needs hyphenating
+ else:
+ thisline += "-"
+
+ # append the line
+ lines.append(thisline)
+ thisline = ""
+
+ # append last line
+ if thisline:
+ lines.append(thisline)
+
+ for line in lines:
+ print " "*indent + line
+
# .-------------------------------------------------------.
# | Smart Pacakge Version Comparison |
# +-------------------------------------------------------+
# `-------------------------------------------------------'
def belongs(query):
+ query = query.split()
# FIXME: use portage.settings
dbdir = "/var/db/pkg"
print __productname__ + " (" + __version__ + ") - " + __description__ + " - By: " + __author__
def help():
+ screenwidth = 74
+ margin = 2
+ margin_desc = 4
+ margin_ex = 8
+
ver()
print
print white("Usage: ") + turquoise(__productname__) + " [ " + green("options") + " ] [ " + turquoise("action") + " ] [ " + turquoise("package") + " ]"
print
print turquoise("Actions:")
print
- print " "*4 + green("belongs") + " (" + green("-b") + " short option)"
- print " "*12 + "Searches the portage for package that owns a specified file."
- print " "*12 + "with an option to restrict the search space. Example:"
- print " "*16 + "etcat belongs /usr/bin/gimp media-gfx"
- print " "*16 + "etcat belongs /usr/lib/libjpeg.so media-*"
- print " "*16 + "etcat belongs /usr/lib/libmpeg.so"
- print
- print " "*4 + green("changes") + " (" + green("-c") + " short option)"
- print " "*12 + "Outputs the changelog entry to screen. It is possible to give"
- print " "*12 + "a version number along with package name. eg:"
- print " "*12 + " etcat changes mozilla"
- print " "*12 + " etcat changes mozilla-1.1-r1"
- print " "*12 + " etcat changes gkrellm$"
- print
- print " "*4 + green("depends") + " (" + green("-d") + " short option)"
- print " "*12 + "Searches the portage for strings in the DEPEND/RDEPEND lines"
- print " "*12 + "Accepts regex notation."
- print
- print " "*4 + green("files") + " (" + green("-d") + " short option)"
- print " "*12 + "List files in a particular package."
- print
- print " "*4 + green("size") + " (" + green("-s") + " short option)"
- print " "*12 + "Outputs the size of all the files used by a particular package."
- print
- print " "*4 + green("uses") + " (" + green("-u") + " short option)"
- print " "*12 + "Outputs all the possible USE variables that it uses. Note,"
- print " "*12 + "if the ebuild does not use IUSE, then a hack is employed to"
- print " "*12 + "try and guess the use variables used, maybe inaccurate."
- print
- print " "*4 + green("versions") + " (" + green("-v") + " short options)"
- print " "*12 + "Outputs all the ebuild versions available in your portage tree."
- print " "*12 + "How to decode the output:"
- print " "*12 + " (" + red("M") + ") : Masked Package"
- print " "*12 + " (" + yellow("~") + ") : Unstable Masked Package"
- print " "*12 + " (" + turquoise("I") + ") : Installed Package"
- print " "*12 + " Number on the end indicates package SLOT."
- print
+ for name,tup in options.items():
+ print " "*margin + green(name) + " (" + green("-" + tup[0]) + " short option)"
+ wrap_print(tup[1],indent=margin_desc)
+ for example in tup[2]:
+ print " "*margin_ex + example
+ print
# .-------------------------------------------------------.
# | Main Function |
sys.exit(1)
# delegates the commandline stuff to functions
- # if you need to add a function, here's where you
- # hook it in first, read further down for the other place
- # you need to hook in.
pointer = 2
+ # short/long opts mapping
+ shortopts = map(lambda x: x[0], options.values())
+ short2long = {}
+ for k,v in options.items():
+ short2long[v[0]] = k
+ longopts = options.keys()
+
+ # loop thru arguments
for arg in sys.argv[1:]:
- if arg in ["-c","changes"]:
- action = "changes"
- query = ' '.join(sys.argv[pointer:])
- break
- elif arg in ["-b", "belongs"]:
- action = "belongs"
- query = sys.argv[pointer:]
- break
- elif arg in ["-d","depends"]:
- action = "depends"
- query = ' '.join(sys.argv[pointer:])
- elif arg in ["-s","size"]:
- action = "size"
- query = ' '.join(sys.argv[pointer:])
- break
- elif arg in ["-u", "uses"]:
- action = "uses"
+ if arg[0] == "-" and len(arg) == 2 and arg in shortopts:
+ action = short2long[arg[1]]
query = ' '.join(sys.argv[pointer:])
break
- elif arg in ["-v","versions"]:
- action = "versions"
+ elif arg in longopts:
+ action = arg
query = ' '.join(sys.argv[pointer:])
break
- elif arg in ["-f","files"]:
- action = "files"
- query = ' '.join(sys.argv[pointer:])
- elif arg in ["-nc"]:
- # i don't know if i want to publish this
- nocolor()
else:
pointer += 1
-
+
# abort if we don't have an action or query string
- if not query or action not in options:
+ if not query or action not in options.keys():
help()
sys.exit(1)
-
- # dispatch function to the function
- # this is the second place to hook in your function
- if action == "changes":
- changes(query)
- elif action == "versions":
- versions(query)
- elif action == "uses":
- uses(query)
- elif action == "size":
- size(query)
- elif action == "belongs":
- belongs(query)
- elif action == "depends":
- depends(query)
- elif action == "files":
- files(query)
-
+ else:
+ function = globals()[action]
+ function(query)
+
if __name__ == "__main__":
try:
main()
projects / gentoolkit.git / commitdiff