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-rwxr-xr-xsrc/moz-version209
1 files changed, 110 insertions, 99 deletions
diff --git a/src/moz-version b/src/moz-version
index cea49b7..85ec81a 100755
--- a/src/moz-version
+++ b/src/moz-version
@@ -24,49 +24,55 @@ import getopt
import os
import sys
-from moz_version import compare_versions, convert_debian_to_moz_version, convert_moz_to_debian_version
+from moz_version import (compare_versions, convert_debian_to_moz_version,
+ convert_moz_to_debian_version)
# error codes
COMMAND_LINE_SYNTAX_ERROR = 2
INVALID_COMPARATOR = 3
EMPTY_VERSION_STRING = 4
-comparators = ("lt", "le", "eq", "ne", "ge", "gt")
-
-def moz_version_compare(version1, comparator, version2, silent=False, verbose=False):
- """Return true if the expression version1 comparator version2 is valid, otherwise false"""
- if comparator not in comparators:
- if not silent:
- print >> sys.stderr, "E: The comparator " + comparator + \
- " is not valid. It should one of " + ", ".join(comparators) + "."
- sys.exit(INVALID_COMPARATOR)
-
- if version1.strip() == "" or version2.strip() == "":
- if not silent:
- print >> sys.stderr, "E: At least one version string is empty."
- sys.exit(EMPTY_VERSION_STRING)
-
- if verbose:
- symbol = {"lt": "<", "le": "<=", "eq": "=", "ne": "!=", "ge": ">=", "gt": ">"}
- print "I: Comparing %s %s %s." % (version1, symbol[comparator], version2)
-
- if comparator == "lt":
- return compare_versions(version1, version2, verbose) < 0
- elif comparator == "le":
- return compare_versions(version1, version2, verbose) <= 0
- elif comparator == "eq":
- return compare_versions(version1, version2, verbose) == 0
- elif comparator == "ne":
- return compare_versions(version1, version2, verbose) != 0
- elif comparator == "ge":
- return compare_versions(version1, version2, verbose) >= 0
- elif comparator == "gt":
- return compare_versions(version1, version2, verbose) > 0
+COMPARATORS = ("lt", "le", "eq", "ne", "ge", "gt")
+
+def moz_version_compare(version1, comparator, version2, silent=False,
+ verbose=False):
+ """Return true if the expression version1 comparator version2 is valid,
+ otherwise false"""
+ if comparator not in COMPARATORS:
+ if not silent:
+ print >> sys.stderr, "E: The comparator " + comparator + \
+ " is not valid. It should one of " + \
+ ", ".join(COMPARATORS) + "."
+ sys.exit(INVALID_COMPARATOR)
+
+ if version1.strip() == "" or version2.strip() == "":
+ if not silent:
+ print >> sys.stderr, "E: At least one version string is empty."
+ sys.exit(EMPTY_VERSION_STRING)
+
+ if verbose:
+ symbol = {"lt": "<", "le": "<=", "eq": "=", "ne": "!=",
+ "ge": ">=", "gt": ">"}
+ print "I: Comparing %s %s %s." % \
+ (version1, symbol[comparator], version2)
+
+ if comparator == "lt":
+ return compare_versions(version1, version2, verbose) < 0
+ elif comparator == "le":
+ return compare_versions(version1, version2, verbose) <= 0
+ elif comparator == "eq":
+ return compare_versions(version1, version2, verbose) == 0
+ elif comparator == "ne":
+ return compare_versions(version1, version2, verbose) != 0
+ elif comparator == "ge":
+ return compare_versions(version1, version2, verbose) >= 0
+ elif comparator == "gt":
+ return compare_versions(version1, version2, verbose) > 0
def usage(output):
- name = os.path.basename(sys.argv[0])
- print >> output, """Usage: %s [options] action
+ name = os.path.basename(sys.argv[0])
+ print >> output, """Usage: %s [options] action
Actions:
-c, --compare version1 comparator version2
@@ -80,70 +86,75 @@ Options:
-s, --silent do not print anything and die silent on errors
-v, --verbose print more information
-See %s(1) for more info.""" % (name, ", ".join(comparators), name)
-
+See %s(1) for more info.""" % (name, ", ".join(COMPARATORS), name)
+
+
+def main():
+ try:
+ long_opts = ["compare", "help", "silent", "to-deb", "to-moz", "verbose"]
+ opts, args = getopt.gnu_getopt(sys.argv[1:], "cdhmsv", long_opts)
+ except getopt.GetoptError, e:
+ # print help information and exit:
+ print >> sys.stderr, str(e)
+ usage(sys.stderr)
+ sys.exit(COMMAND_LINE_SYNTAX_ERROR)
+
+ actions = set()
+ silent = False
+ verbose = False
+
+ for o, _ in opts:
+ if o in ("-c", "--compare"):
+ actions.add("compare")
+ elif o in ("-d", "--to-deb"):
+ actions.add("to-deb")
+ elif o in ("-h", "--help"):
+ usage(sys.stdout)
+ sys.exit()
+ elif o in ("-m", "--to-moz"):
+ actions.add("to-moz")
+ elif o in ("-s", "--silent"):
+ silent = True
+ elif o in ("-v", "--verbose"):
+ verbose = True
+ else:
+ assert False, "unhandled option"
+
+ if len(actions) != 1:
+ if not silent:
+ print >> sys.stderr, "E: You must specify an action."
+ usage(sys.stderr)
+ sys.exit(COMMAND_LINE_SYNTAX_ERROR)
+
+ action = actions.pop()
+
+ if action == "compare":
+ if len(args) != 3:
+ if not silent:
+ usage(sys.stderr)
+ sys.exit(COMMAND_LINE_SYNTAX_ERROR)
+ if moz_version_compare(args[0], args[1], args[2], silent, verbose):
+ if verbose:
+ print "I: Compare expression true."
+ sys.exit(0)
+ else:
+ if verbose:
+ print "I: Compare expression false."
+ sys.exit(1)
+ elif action == "to-deb":
+ if len(args) != 1:
+ if not silent:
+ print >> sys.stderr, "E: The action --to-deb takes exactly " + \
+ "one argument."
+ sys.exit(COMMAND_LINE_SYNTAX_ERROR)
+ print convert_moz_to_debian_version(args[0], 0, verbose)
+ elif action == "to-moz":
+ if len(args) != 1:
+ if not silent:
+ print >> sys.stderr, "E: The action --to-moz takes exactly " + \
+ "one argument."
+ sys.exit(COMMAND_LINE_SYNTAX_ERROR)
+ print convert_debian_to_moz_version(args[0], verbose)
if __name__ == "__main__":
- try:
- long_opts = ["compare", "help", "silent", "to-deb", "to-moz", "verbose"]
- opts, args = getopt.gnu_getopt(sys.argv[1:], "cdhmsv", long_opts)
- except getopt.GetoptError, e:
- # print help information and exit:
- print >> sys.stderr, str(e) # will print something like "option -a not recognized"
- usage(sys.stderr)
- sys.exit(COMMAND_LINE_SYNTAX_ERROR)
-
- actions = set()
- silent = False
- verbose = False
-
- for o, a in opts:
- if o in ("-c", "--compare"):
- actions.add("compare")
- elif o in ("-d", "--to-deb"):
- actions.add("to-deb")
- elif o in ("-h", "--help"):
- usage(sys.stdout)
- sys.exit()
- elif o in ("-m", "--to-moz"):
- actions.add("to-moz")
- elif o in ("-s", "--silent"):
- silent = True
- elif o in ("-v", "--verbose"):
- verbose = True
- else:
- assert False, "unhandled option"
-
- if len(actions) != 1:
- if not silent:
- print >> sys.stderr, "E: You must specify an action."
- usage(sys.stderr)
- sys.exit(COMMAND_LINE_SYNTAX_ERROR)
-
- action = actions.pop()
-
- if action == "compare":
- if len(args) != 3:
- if not silent:
- usage(sys.stderr)
- sys.exit(COMMAND_LINE_SYNTAX_ERROR)
- if moz_version_compare(args[0], args[1], args[2], silent, verbose):
- if verbose:
- print "I: Compare expression true."
- sys.exit(0)
- else:
- if verbose:
- print "I: Compare expression false."
- sys.exit(1)
- elif action == "to-deb":
- if len(args) != 1:
- if not silent:
- print >> sys.stderr, "E: The action --to-deb takes exactly one argument."
- sys.exit(COMMAND_LINE_SYNTAX_ERROR)
- print convert_moz_to_debian_version(args[0], 0, verbose)
- elif action == "to-moz":
- if len(args) != 1:
- if not silent:
- print >> sys.stderr, "E: The action --to-moz takes exactly one argument."
- sys.exit(COMMAND_LINE_SYNTAX_ERROR)
- print convert_debian_to_moz_version(args[0], verbose)
+ main()