Eval Syntax Error Python
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Eval Syntax Error At Line 1 (' Unexpected
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Syntax Error Python Else
Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it syntax error in python print only takes a minute: Sign up eval giving syntax error even when correct code given up vote 6 down vote favorite I have the following code, which uses the eval function: lines = self.fulltext.splitlines() CURRENT = 0 extractors = { "solar zenith angle" : (CURRENT, 1, "self.solar_z"), "ground pressure" : (CURRENT, 2, "self.ground_pressure") } print locals() for line in lines: invalid syntax error python for label, details in extractors.iteritems(): if label in line: if details[0] == CURRENT: values = line.split() eval("%s = values[%d]" % (details[2], details[1])) However, when I run it I get the following error: eval("%s = values[%d]" % (details[2], details[1])) File "
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each other. Join them; it only takes a minute: Sign up Python eval() syntax error when trying to evaluate an expression [closed] up vote 0 down vote favorite I am having trouble with the eval() Python function in http://stackoverflow.com/questions/6414991/eval-giving-syntax-error-even-when-correct-code-given this code: f = 'x' f = raw_input('f(x)=') def ytest(y,x,f): if y >= eval(f) return 1 else return 0 I know that eval() is a bad way to do this, but I am the only person who will ever be using my simple program. Whenever I try to run this I get the error: File "C:\Users\Grant\Desktop\Plotter\plotter.py", line 9 if y >= eval(f) ^ SyntaxError: invalid syntax Why is this causing an error? If f is a http://stackoverflow.com/questions/22261652/python-eval-syntax-error-when-trying-to-evaluate-an-expression valid python expression in string form, shouldn't the code be valid? the error also happens when I replace eval(f) with eval('0') so I can't figure out what the problem is. python python-2.7 syntax-error eval share|improve this question asked Mar 7 '14 at 22:08 Vaelus 13110 closed as off-topic by mhlester, Ashwini Chaudhary, Tom Leese, jonrsharpe, iCodez Mar 7 '14 at 22:18 This question appears to be off-topic. The users who voted to close gave this specific reason:"This question was caused by a problem that can no longer be reproduced or a simple typographical error. While similar questions may be on-topic here, this one was resolved in a manner unlikely to help future readers. This can often be avoided by identifying and closely inspecting the shortest program necessary to reproduce the problem before posting." – mhlester, Ashwini Chaudhary, Tom Leese, jonrsharpe, iCodezIf this question can be reworded to fit the rules in the help center, please edit the question. you cannot have multiple statements for f. you either say f='x' or say f=raw_input('f(x)') –ThePredator Mar 7 '14 at 22:11 add a comment| 1 Answer 1 active oldest votes up vote 4 down vote accepted You need colon at the end of if and else statements. if y >= eval(f): return 1 else: return 0 EDIT: Added documentation and else share|improve this answer answered Mar 7 '14 at
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about http://stackoverflow.com/questions/12698028/why-is-pythons-eval-rejecting-this-multiline-string-and-how-can-i-fix-it Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is http://www.gossamer-threads.com/lists/python/python/865758 a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Why is Python's eval() rejecting this multiline string, and how can I fix it? syntax error up vote 4 down vote favorite 1 I am attempting to eval the following tab-indented string: '''for index in range(10): os.system("echo " + str(index) + "") ''' I get, "There was an error: invalid syntax , line 1" What is it complaining about? Do I need to indent to match the eval() statement, or write it to a string file or temp file and execute that, or something else? Thanks, eval syntax error python python-3.x metaprogramming eval share|improve this question asked Oct 2 '12 at 20:44 JonathanHayward 2,16363967 add a comment| 3 Answers 3 active oldest votes up vote 13 down vote eval evaluates stuff like 5+3 exec executes stuff like for ... >>> eval("for x in range(3):print x") Traceback (most recent call last): File "
Post #1 of 4 (1222 views) Permalink eval string Needing to pass a string command into a third party program and having issues creating a string to do what I need. here's what I have so far. eval('import sys; sys.stderr.write(\'\n\n\nCompleted!!!\nCompleted!!!\nCompleted!!!\nCompleted!!!\nCompleted!!!\nCompleted!!!\n\n\n\');') Traceback (most recent call last): File "