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1 #!perl 2 ################################################################################ 3 # WeBWorK Online Homework Delivery System 4 # Copyright © 2000-2003 The WeBWorK Project, http://openwebwork.sf.net/ 5 # $CVSHeader: webwork2/conf/global.conf.dist,v 1.157 2005/12/18 21:44:54 sh002i Exp $ 6 # 7 # This program is free software; you can redistribute it and/or modify it under 8 # the terms of either: (a) the GNU General Public License as published by the 9 # Free Software Foundation; either version 2, or (at your option) any later 10 # version, or (b) the "Artistic License" which comes with this package. 11 # 12 # This program is distributed in the hope that it will be useful, but WITHOUT 13 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 14 # FOR A PARTICULAR PURPOSE. See either the GNU General Public License or the 15 # Artistic License for more details. 16 ################################################################################ 17 18 # This file is used to set up the default WeBWorK course environment for all 19 # requests. Values may be overwritten by the course.conf for a specific course. 20 # All package variables set in this file are added to the course environment. 21 # If you wish to set a variable here but omit it from the course environment, 22 # use the "my" keyword. The $webwork_dir variable is set in the WeBWorK Apache 23 # configuration file (webwork.apache-config) and is available for use here. In 24 # addition, the $courseName variable holds the name of the current course. 25 26 ################################################################################ 27 # Seed variables 28 ################################################################################ 29 30 # Set these variables to correspond to your configuration and preferences. You 31 # will need to restart the webserver to reset the variables in this section. 32 33 # URL of WeBWorK handler. 34 $webwork_url = "/webwork2"; 35 36 # Root directory of PG. 37 $pg_dir = "/opt/pg"; 38 39 # URL and path to htdocs directory. 40 $webwork_htdocs_url = "/webwork2_files"; 41 $webwork_htdocs_dir = "$webwork_dir/htdocs"; 42 43 # URL and path to courses directory. 44 $webwork_courses_url = "/webwork2_course_files"; 45 $webwork_courses_dir = "$webwork_dir/courses"; 46 47 ################################################################################ 48 # Paths to external programs 49 ################################################################################ 50 51 # system utilties 52 $externalPrograms{mkdir} = "/bin/mkdir"; 53 $externalPrograms{mv} = "/bin/mv"; 54 $externalPrograms{mysql} = "/usr/bin/mysql"; 55 $externalPrograms{tar} = "/usr/bin/tar"; 56 57 # equation rendering/hardcopy utiltiies 58 $externalPrograms{latex} = "/usr/bin/latex"; 59 $externalPrograms{pdflatex} = "/usr/bin/pdflatex --shell-escape"; # --shell-escape allows pdflatex to handle .eps files 60 $externalPrograms{dvipng} = "/usr/bin/dvipng"; 61 $externalPrograms{tth} = "/usr/bin/tth"; 62 63 # NetPBM - basic image manipulation utilities 64 # most sites only need to configure $netpbm_prefix. 65 my $netpbm_prefix = "/usr/bin"; 66 $externalPrograms{giftopnm} = "$netpbm_prefix/giftopnm"; 67 $externalPrograms{ppmtopgm} = "$netpbm_prefix/ppmtopgm"; 68 $externalPrograms{pnmtops} = "$netpbm_prefix/pnmtops"; 69 $externalPrograms{pnmtopng} = "$netpbm_prefix/pnmtopng"; 70 $externalPrograms{pngtopnm} = "$netpbm_prefix/pngtopnm"; 71 72 # image conversions utiltiies 73 # the source file is given on stdin, and the output expected on stdout. 74 # 75 # Note on conversions pipelines: 76 # we used to use `pnmdepth 1' instead of ppmtopgm as it creates a 77 # monochrome image (1 bit) rather than a greyscale image (8 bits). 78 # However, this was causing improper display of some sort in PDFs. 79 $externalPrograms{gif2eps} = "$externalPrograms{giftopnm} | $externalPrograms{ppmtopgm} | $externalPrograms{pnmtops} -noturn 2>/dev/null"; 80 $externalPrograms{png2eps} = "$externalPrograms{pngtopnm} | $externalPrograms{ppmtopgm} | $externalPrograms{pnmtops} -noturn 2>/dev/null"; 81 $externalPrograms{gif2png} = "$externalPrograms{giftopnm} | $externalPrograms{pnmtopng}"; 82 83 ################################################################################ 84 # Mail settings 85 ################################################################################ 86 87 # Mail sent by the PG system and the mail merge and feedback modules will be 88 # sent via this SMTP server. 89 $mail{smtpServer} = 'mail.yourschool.edu'; 90 91 # When connecting to the above server, WeBWorK will send this address in the 92 # MAIL FROM command. This has nothing to do with the "From" address on the mail 93 # message. It can really be anything, but some mail servers require it contain 94 # a valid mail domain, or at least be well-formed. 95 $mail{smtpSender} = 'webwork@yourserver.yourschool.edu'; 96 97 # AllowedRecipients defines addresses that the PG system is allowed to send mail 98 # to. this prevents subtle PG exploits. This should be set in course.conf to the 99 # addresses of professors of each course. Sending mail from the PG system (i.e. 100 # questionaires, essay questions) will fail if this is not set somewhere (either 101 # here or in course.conf). 102 $mail{allowedRecipients} = [ 103 #'prof1@yourserver.yourdomain.edu', 104 #'prof2@yourserver.yourdomain.edu', 105 ]; 106 107 # By default, feeback is sent to all users who have permission to 108 # receive_feedback. If this list is non-empty, feedback is also sent to the 109 # addresses specified here. 110 # 111 # * If you want to disable feedback altogether, leave this empty and set 112 # submit_feeback => $nobody in %permissionLevels below. This will cause the 113 # feedback button to go away as well. 114 # 115 # * If you want to send email ONLY to addresses in this list, set 116 # receive_feedback => $nobody in %permissionLevels below. 117 # 118 # It's often useful to set this in the course.conf to change the behavior of 119 # feedback for a specific course. 120 # 121 # Items in this list may be bare addresses, or RFC822 mailboxes, like: 122 # 'Joe User <joe.user@example.com>' 123 # The advantage of this form is that the resulting email will include the name 124 # of the recipient in the "To" field of the email. 125 # 126 $mail{feedbackRecipients} = [ 127 #'prof1@yourserver.yourdomain.edu', 128 #'prof2@yourserver.yourdomain.edu', 129 ]; 130 131 # Feedback subject line -- the following escape sequences are recognized: 132 # 133 # %c = course ID 134 # %u = user ID 135 # %s = set ID 136 # %p = problem ID 137 # %x = section 138 # %r = recitation 139 # %% = literal percent sign 140 # 141 $mail{feedbackSubjectFormat} = "[WWfeedback] course:%c user:%u set:%s prob:%p sec:%x rec:%r"; 142 143 # feedbackVerbosity: 144 # 0: send only the feedback comment and context link 145 # 1: as in 0, plus user, set, problem, and PG data 146 # 2: as in 1, plus the problem environment (debugging data) 147 $mail{feedbackVerbosity} = 1; 148 149 # Defines the size of the Mail Merge editor window 150 # FIXME: should this be here? it's UI, not mail 151 # FIXME: replace this with the auto-size method that TWiki uses 152 $mail{editor_window_rows} = 15; 153 $mail{editor_window_columns} = 100; 154 155 ################################################################################ 156 # System-wide locations (directories and URLs) 157 ################################################################################ 158 159 # The root directory, set by webwork_root variable in Apache configuration. 160 $webworkDirs{root} = "$webwork_dir"; 161 162 # Location of system-wide data files. 163 $webworkDirs{DATA} = "$webworkDirs{root}/DATA"; 164 165 # Used for temporary storage of uploaded files. 166 $webworkDirs{uploadCache} = "$webworkDirs{DATA}/uploads"; 167 168 # Location of utility programs. 169 $webworkDirs{bin} = "$webworkDirs{root}/bin"; 170 171 # Location of configuration files, templates, snippets, etc. 172 $webworkDirs{conf} = "$webworkDirs{root}/conf"; 173 174 # Location of course directories. 175 $webworkDirs{courses} = "$webwork_courses_dir" || "$webworkDirs{root}/courses"; 176 177 # Contains log files. 178 $webworkDirs{logs} = "$webworkDirs{root}/logs"; 179 180 # Contains non-web-accessible temporary files, such as TeX working directories. 181 $webworkDirs{tmp} = "$webworkDirs{root}/tmp"; 182 183 # The (absolute) destinations of symbolic links that are OK for the FileManager to follow. 184 # (any subdirectory of these is a valid target for a symbolic link.) 185 # For example: 186 # $webworkDirs{valid_symlinks} = ["$webworkDirs{courses}/modelCourse/templates","/ww2/common/sets"]; 187 $webworkDirs{valid_symlinks} = []; 188 189 ##### The following locations are web-accessible. 190 191 # The root URL (usually /webwork2), set by <Location> in Apache configuration. 192 $webworkURLs{root} = "$webwork_url"; 193 194 # Location of system-wide web-accessible files, such as equation images, and 195 # help files. 196 $webworkDirs{htdocs} = "$webwork_htdocs_dir" || "$webworkDirs{root}/htdocs"; 197 $webworkURLs{htdocs} = "$webwork_htdocs_url"; 198 199 # Location of web-accessible temporary files, such as equation images. 200 $webworkDirs{htdocs_temp} = "$webworkDirs{htdocs}/tmp"; 201 $webworkURLs{htdocs_temp} = "$webworkURLs{htdocs}/tmp"; 202 203 # Location of cached equation images. 204 $webworkDirs{equationCache} = "$webworkDirs{htdocs_temp}/equations"; 205 $webworkURLs{equationCache} = "$webworkURLs{htdocs_temp}/equations"; 206 207 # Contains context-sensitive help files. 208 $webworkDirs{local_help} = "$webworkDirs{htdocs}/helpFiles"; 209 $webworkURLs{local_help} = "$webworkURLs{htdocs}/helpFiles"; 210 211 # URL of general WeBWorK documentation. 212 $webworkURLs{docs} = "http://webhost.math.rochester.edu/webworkdocs/docs"; 213 214 # URL of WeBWorK 1.x profLogin.pl script, for access to old professor pages. 215 # Note that both systems must share a single "courses" directory for this to be 216 # useful. Leave this blank to disable 217 $webworkURLs{oldProf} = "/webwork1/profLogin.pl"; 218 219 # URL of WeBWorK Bugzilla database. 220 $webworkURLs{bugReporter} = "http://bugs.webwork.rochester.edu/"; 221 222 # Location of CSS 223 $webworkURLs{stylesheet} = "$webworkURLs{htdocs}/css/ur.css"; 224 225 # Location of jsMath script, used for the jsMath display mode. 226 $webworkURLs{jsMath} = "$webworkURLs{htdocs}/jsMath/jsMath-ww.js"; 227 228 # Location of ASCIIMathML script, used for the asciimath display mode. 229 $webworkURLs{asciimath} = "$webworkURLs{htdocs}/ASCIIMathML/ASCIIMathML.js"; 230 231 ################################################################################ 232 # Defaults for course-specific locations (directories and URLs) 233 ################################################################################ 234 235 # The root directory of the current course. (The ID of the current course is 236 # available in $courseName.) 237 $courseDirs{root} = "$webworkDirs{courses}/$courseName"; 238 239 # Location of course HTML files, passed to PG. 240 $courseDirs{html} = "$courseDirs{root}/html"; 241 $courseURLs{html} = "$webwork_courses_url/$courseName"; 242 243 # Location of course image files, passed to PG. 244 $courseDirs{html_images} = "$courseDirs{html}/images"; 245 246 # Location of web-accessible, course-specific temporary files, like static and 247 # dynamically-generated PG graphics. 248 $courseDirs{html_temp} = "$courseDirs{html}/tmp"; 249 $courseURLs{html_temp} = "$courseURLs{html}/tmp"; 250 251 # Location of course-specific logs, like the transaction log. 252 $courseDirs{logs} = "$courseDirs{root}/logs"; 253 254 # Location of scoring files. 255 $courseDirs{scoring} = "$courseDirs{root}/scoring"; 256 257 # Location of PG templates and set definition files. 258 $courseDirs{templates} = "$courseDirs{root}/templates"; 259 260 # Location of course-specific macro files. 261 $courseDirs{macros} = "$courseDirs{templates}/macros"; 262 263 # Location of mail-merge templates. 264 $courseDirs{email} = "$courseDirs{templates}/email"; 265 266 # Location of temporary editing files. 267 $courseDirs{tmpEditFileDir} = "$courseDirs{templates}/tmpEdit"; 268 269 ################################################################################ 270 # System-wide files 271 ################################################################################ 272 273 # Location of this file. 274 $webworkFiles{environment} = "$webworkDirs{conf}/global.conf"; 275 276 # Flat-file database used to protect against MD5 hash collisions. TeX equations 277 # are hashed to determine the name of the image file. There is a tiny chance of 278 # a collision between two TeX strings. This file allows for that. However, this 279 # is slow, so most people chose not to worry about it. Set this to "" if you 280 # don't want to use the equation cache file. 281 $webworkFiles{equationCacheDB} = ""; # "$webworkDirs{DATA}/equationcache"; 282 283 ##### Hardcopy snippets are used in constructing a TeX file for hardcopy output. 284 ##### They should contain TeX code unless otherwise noted. 285 286 # The preamble is the first thing in the TeX file. 287 $webworkFiles{hardcopySnippets}{preamble} = "$webworkDirs{conf}/snippets/hardcopyPreamble.tex"; 288 289 # The setHeader preceeds each set. It is a PG file. 290 $webworkFiles{hardcopySnippets}{setHeader} = "$webworkDirs{conf}/snippets/setHeader.pg"; # hardcopySetHeader.pg", 291 292 # The problem divider goes between problems. 293 $webworkFiles{hardcopySnippets}{problemDivider} = "$webworkDirs{conf}/snippets/hardcopyProblemDivider.tex"; 294 295 # The set footer goes after each set. Is is a PG file. 296 $webworkFiles{hardcopySnippets}{setFooter} = "$webworkDirs{conf}/snippets/hardcopySetFooter.pg"; 297 298 # The set divider goes between sets (in multiset output). 299 $webworkFiles{hardcopySnippets}{setDivider} = "$webworkDirs{conf}/snippets/hardcopySetDivider.tex"; 300 301 # The user divider does between users (in multiuser output). 302 $webworkFiles{hardcopySnippets}{userDivider} = "$webworkDirs{conf}/snippets/hardcopyUserDivider.tex"; 303 304 # The postabmle is the last thing in the TeX file. 305 $webworkFiles{hardcopySnippets}{postamble} = "$webworkDirs{conf}/snippets/hardcopyPostamble.tex"; 306 307 ##### Screen snippets are used when displaying problem sets on the screen. 308 309 # The set header is displayed on the problem set page. It is a PG file. 310 $webworkFiles{screenSnippets}{setHeader} = "$webworkDirs{conf}/snippets/setHeader.pg"; # screenSetHeader.pg" 311 312 # A PG template for creation of new problems. 313 $webworkFiles{screenSnippets}{blankProblem} = "$webworkDirs{conf}/snippets/blankProblem.pg"; # screenSetHeader.pg" 314 315 # A site info "message of the day" file 316 $webworkFiles{site_info} = "$webworkDirs{htdocs}/site_info.txt"; 317 318 ################################################################################ 319 # Course-specific files 320 ################################################################################ 321 322 # The course configuration file. 323 $courseFiles{environment} = "$courseDirs{root}/course.conf"; 324 325 # The course simple configuration file (holds web-based configuratoin). 326 $courseFiles{simpleConfig} = "$courseDirs{root}/simple.conf"; 327 328 # File contents are displayed after login, on the problem sets page. Path given 329 # here is relative to the templates directory. 330 $courseFiles{course_info} = "course_info.txt"; 331 332 # File contents are displayed on the login page. Path given here is relative to 333 # the templates directory. 334 $courseFiles{login_info} = "login_info.txt"; 335 336 # Additional library buttons can be added to the Library Browser (SetMaker.pm) 337 # by adding the libraries you want to the following line. For each key=>value 338 # in the list, if a directory (or link to a directory) with name 'key' appears 339 # in the templates directory, then a button with name 'value' will be placed at 340 # the top of the problem browser. (No button will appear if there is no 341 # directory or link with the given name in the templates directory.) For 342 # example, 343 # 344 # $courseFiles{problibs} = {rochester => "Rochester", asu => "ASU"}; 345 # 346 # would add two buttons, one for the Rochester library and one for the ASU 347 # library, provided templates/rochester and templates/asu exists either as 348 # subdirectories or links to other directories. 349 # 350 $courseFiles{problibs} = { 351 # rochesterLibrary => "Rochester", 352 # asuLibrary => "Arizona State", 353 # dcdsLibrary => "Detroit CDS", 354 # dartmouthLibrary => "Dartmouth", 355 # indianaLibrary => "Indiana", 356 # osuLibrary => "Ohio State", 357 # capaLibrary => "CAPA", 358 }; 359 360 ################################################################################ 361 # Database options 362 ################################################################################ 363 364 # Several database are defined in the file conf/database.conf and stored in the 365 # hash %dbLayouts. 366 include "conf/database.conf"; 367 368 # Select the default database layout. This can be overridden in the course.conf 369 # file of a particular course. The only database layout supported in WW 2.1.4 370 # and up is "sql_single". 371 $dbLayoutName = "sql_single"; 372 373 # This sets the symbol "dbLayout" as an alias for the selected database layout. 374 *dbLayout = $dbLayouts{$dbLayoutName}; 375 376 ################################################################################ 377 # Problem library options 378 ################################################################################ 379 380 # The directory containing the problem library files. Set to "" if no problem 381 # library is installed. 382 $problemLibrary{root} = ""; 383 384 # Problem Library version 385 # Version 1 is in use. Version 2 will be released soon. 386 $problemLibrary{version} = "1"; 387 388 # The name of the SQL database containing problem metadata 389 $problemLibrary{sourceSQL} = "ProblemLibrary"; 390 391 # The user name to use when connecting to the problem library database 392 $problemLibrary{userSQL} = "webworkRead"; 393 394 # The password to use when connecting to the problem library database 395 $problemLibrary{passwordSQL} = ""; 396 397 ################################################################################ 398 # Logs 399 ################################################################################ 400 401 # FIXME: take logs out of %webworkFiles/%courseFiles and give them their own 402 # top-level hash. 403 404 # Logs data about how long it takes to process problems. (Do not confuse this 405 # with the /other/ timing log which can be set by WeBWorK::Timing and is used 406 # for benchmarking system performance in general. At some point, this timing 407 # mechanism will be deprecated in favor of the WeBWorK::Timing mechanism.) 408 $webworkFiles{logs}{timing} = "$webworkDirs{logs}/timing.log"; 409 410 # Logs courses created via the web-based Course Administration module. 411 $webworkFiles{logs}{hosted_courses} = "$webworkDirs{logs}/hosted_courses.log"; 412 413 # The transaction log contains data from each recorded answer submission. This 414 # is useful if the database becomes corrupted. 415 $webworkFiles{logs}{transaction} = "$courseDirs{logs}/transaction.log"; 416 417 # The answer log stores a history of all users' submitted answers. 418 $courseFiles{logs}{answer_log} = "$courseDirs{logs}/answer_log"; 419 420 # Log logins. 421 $courseFiles{logs}{login_log} = "$courseDirs{logs}/login.log"; 422 423 # Log for almost every click. By default it is the empty string, which 424 # turns this log off. If you want it turned on, we suggest 425 # "$courseDirs{logs}/activity.log" 426 # When turned on, this log can get quite large. 427 $courseFiles{logs}{activity_log} = ''; 428 429 ################################################################################ 430 # Site defaults (FIXME: what other things could be "site defaults"?) 431 ################################################################################ 432 433 # Set the default timezone of courses on this server. To get a list of valid 434 # timezones, run: 435 # 436 # perl -MDateTime::TimeZone -e 'print join "\n", DateTime::TimeZone::all_names' 437 # 438 # To get a list of valid timezone "links" (deprecated names), run: 439 # 440 # perl -MDateTime::TimeZone -e 'print join "\n", DateTime::TimeZone::links' 441 # 442 # If left blank, the system timezone will be used. This is usually what you 443 # want. You might want to set this if your server is NOT in the same timezone as 444 # your school. If just a few courses are in a different timezone, set this in 445 # course.conf for the affected courses instead. 446 # 447 $siteDefaults{timezone} = ""; 448 449 # The default_templates_course is used by default to create a new course. 450 # The contents of the templates directory are copied from this course 451 # to the new course being created. 452 $siteDefaults{default_templates_course} ="modelCourse"; 453 454 ################################################################################ 455 # Frontend options 456 ################################################################################ 457 458 %templates = ( 459 system => "$webworkDirs{conf}/templates/ur.template", 460 gateway => "$webworkDirs{conf}/templates/gw.template", 461 ); 462 463 ################################################################################ 464 # Authorization system 465 ################################################################################ 466 467 # this section lets you define which groups of users can perform which actions. 468 469 # this hash maps a numeric permission level to the name of a role. the number 470 # assigned to a role is significant -- roles with higher numbers are considered 471 # "more privileged", and are included when that role is listed for a privilege 472 # below. 473 # 474 %userRoles = ( 475 guest => -5, 476 student => 0, 477 proctor => 2, 478 ta => 5, 479 professor => 10, 480 ); 481 482 # this hash maps operations to the roles that are allowed to perform those 483 # operations. the role listed and any role with a higher permission level (in 484 # the %userRoles hash) will be allowed to perform the operation. If the role 485 # is undefined, no users will be allowed to perform the operation. 486 # 487 %permissionLevels = ( 488 login => "guest", 489 report_bugs => "student", 490 submit_feedback => "student", 491 change_password => "student", 492 change_email_address => "student", 493 494 proctor_quiz => "proctor", 495 496 view_multiple_sets => "ta", 497 view_unopened_sets => "ta", 498 view_unpublished_sets => "ta", 499 view_answers => "ta", 500 501 become_student => "professor", 502 access_instructor_tools => "ta", 503 score_sets => "professor", 504 send_mail => "professor", 505 receive_feedback => "ta", 506 507 create_and_delete_problem_sets => "professor", 508 assign_problem_sets => "professor", 509 modify_problem_sets => "professor", 510 modify_student_data => "professor", 511 modify_classlist_files => "professor", 512 modify_set_def_files => "professor", 513 modify_scoring_files => "professor", 514 modify_problem_template_files => "professor", 515 manage_course_files => "professor", 516 517 create_and_delete_courses => "professor", 518 fix_course_databases => "professor", 519 520 ##### Behavior of the interactive problem processor ##### 521 522 show_correct_answers_before_answer_date => "ta", 523 show_solutions_before_answer_date => "ta", 524 avoid_recording_answers => "ta", 525 # Below this level, old answers are never initially shown 526 can_show_old_answers_by_default => "student", 527 # at this level, we look at showOldAnswers for default value 528 # even after the due date 529 can_always_use_show_old_answers_default => "professor", 530 check_answers_before_open_date => "ta", 531 check_answers_after_open_date_with_attempts => "ta", 532 check_answers_after_open_date_without_attempts => "guest", 533 check_answers_after_due_date => "guest", 534 check_answers_after_answer_date => "guest", 535 record_answers_when_acting_as_student => undef, 536 # "record_answers_when_acting_as_student" takes precedence 537 # over the following for professors acting as students: 538 record_answers_before_open_date => undef, 539 record_answers_after_open_date_with_attempts => "student", 540 record_answers_after_open_date_without_attempts => undef, 541 record_answers_after_due_date => undef, 542 record_answers_after_answer_date => undef, 543 dont_log_past_answers => "professor", 544 # does the user get to see a dump of the problem? 545 view_problem_debugging_info => "ta", 546 547 ##### Behavior of the Hardcopy Processor ##### 548 549 download_hardcopy_multiuser => "ta", 550 download_hardcopy_multiset => "ta", 551 download_hardcopy_format_pdf => "guest", 552 download_hardcopy_format_tex => "ta", 553 ); 554 555 # This is the default permission level given to new students and students with 556 # invalid or missing permission levels. 557 $default_permission_level = $userRoles{student}; 558 559 ################################################################################ 560 # Status system 561 ################################################################################ 562 563 # This is the default status given to new students and students with invalid 564 # or missing statuses. 565 $default_status = "Enrolled"; 566 567 # The first abbreviation in the abbreviations list is the canonical 568 # abbreviation, and will be used when setting the status value in a user record 569 # or an exported classlist file. 570 # 571 # Results are undefined if more than one status has the same abbreviation. 572 # 573 # The four behaviors that are controlled by status are: 574 # allow_course_access => is this user allowed to log in? 575 # include_in_assignment => is this user included when assigning as set to "all" users? 576 # include_in_stats => is this user included in statistical reports? 577 # include_in_email => is this user included in emails sent to the class? 578 # include_in_scoring => is this user included in score reports? 579 580 %statuses = ( 581 Enrolled => { 582 abbrevs => [qw/ C c current enrolled /], 583 behaviors => [qw/ allow_course_access include_in_assignment include_in_stats 584 include_in_email include_in_scoring /], 585 }, 586 Audit => { 587 abbrevs => [qw/ A a audit /], 588 behaviors => [qw/ allow_course_access include_in_assignment include_in_stats 589 include_in_email /], 590 }, 591 Drop => { 592 abbrevs => [qw/ D d drop withdraw /], 593 behaviors => [qw/ /], 594 }, 595 ); 596 597 ################################################################################ 598 # Session options 599 ################################################################################ 600 601 # $sessionKeyTimeout defines seconds of inactivity before a key expires 602 $sessionKeyTimeout = 60*30; 603 604 # $sessionKeyLength defines the length (in characters) of the session key 605 $sessionKeyLength = 40; 606 607 # @sessionKeyChars lists the legal session key characters 608 @sessionKeyChars = ('A'..'Z', 'a'..'z', '0'..'9', '.', '^', '/', '!', '*'); 609 610 # Practice users are users who's names start with $practiceUser 611 # (you can comment this out to remove practice user support) 612 $practiceUserPrefix = "practice"; 613 614 # There is a practice user who can be logged in multiple times. He's 615 # commented out by default, though, so you don't hurt yourself. It is 616 # kindof a backdoor to the practice user system, since he doesn't have a 617 # password. Come to think of it, why do we even have this?! 618 #$debugPracticeUser = "practice666"; 619 620 ################################################################################ 621 # PG subsystem options 622 ################################################################################ 623 624 # List of enabled display modes. Comment out any modes you don't wish to make 625 # available for use. 626 $pg{displayModes} = [ 627 "plainText", # display raw TeX for math expressions 628 "formattedText", # format math expressions using TtH 629 "images", # display math expressions as images generated by dvipng 630 "jsMath", # render TeX math expressions on the client side using jsMath 631 "asciimath", # render TeX math expressions on the client side using ASCIIMathML 632 ]; 633 634 #### Default settings for the PG translator 635 636 # Default display mode. Should be listed above. 637 $pg{options}{displayMode} = "images"; 638 639 # The default grader to use, if a problem doesn't specify. 640 $pg{options}{grader} = "avg_problem_grader"; 641 642 # Fill in answer blanks with the student's last answer by default? 643 $pg{options}{showOldAnswers} = 1; 644 645 # Show correct answers (when allowed) by default? 646 $pg{options}{showCorrectAnswers} = 0; 647 648 # Show hints (when allowed) by default? 649 $pg{options}{showHints} = 0; 650 651 # Show solutions (when allowed) by default? 652 $pg{options}{showSolutions} = 0; 653 654 # Catch translation warnings internally by default? (We no longer need to do 655 # this, since there is a global warnings handler. So this should be off.) 656 $pg{options}{catchWarnings} = 0; 657 658 ##### Currently-selected renderer 659 660 # Only the local renderer is supported in this version. 661 $pg{renderer} = "WeBWorK::PG::Local"; 662 663 # The remote renderer connects to an XML-RPC PG rendering server. 664 #$pg{renderer} = "WeBWorK::PG::Remote"; 665 666 ##### Renderer-dependent options 667 668 # The remote renderer has one option: 669 $pg{renderers}{"WeBWorK::PG::Remote"} = { 670 # The "proxy" server to connect to for remote rendering. 671 proxy => "http://localhost:21000/RenderD", 672 }; 673 674 ##### Settings for various display modes 675 676 # "images" mode has several settings: 677 $pg{displayModeOptions}{images} = { 678 # Determines the method used to align images in output. Can be 679 # "baseline", "absmiddle", or "mysql". 680 dvipng_align => 'baseline', 681 682 # If we choose mysql, we need information on connecting to the 683 # database. Whatever you use here, you have to create the database 684 # and grant read/write priveleges to the user listed here. To create 685 # the database in mysql, as root use: 686 # 687 # CREATE DATABASE DvipngDepths; 688 # USE DvipngDepths; 689 # CREATE TABLE depths (md5 CHAR(33) NOT NULL, depth SMALLINT, PRIMARY KEY (md5)); 690 # GRANT ALL ON DvipngDepths.* TO webworkWrite; 691 # 692 # In the last statement, "webworkWrite" should match the user below. 693 # FIXME: this database can become a table in the 'webwork' database 694 dvipng_depth_db => { 695 dbsource => 'dbi:mysql:DvipngDepths', 696 user => $dbLayouts{sql_single}->{password}->{params}->{usernameRW}, 697 passwd => $dbLayouts{sql_single}->{password}->{params}->{passwordRW}, 698 }, 699 }; 700 701 $pg{displayModeOptions}{jsMath} = { 702 reportMissingFonts => 0, # set to 1 to allow the missing font message 703 missingFontMessage => undef, # set to an HTML string to replace the missing font message 704 noImageFonts => 0, # set to 1 if you didn't install the jsMath image fonts 705 processDoubleClicks => 1, # set to 0 to disable double-click on math to get TeX source 706 }; 707 708 ##### Directories used by PG 709 710 # The root of the PG directory tree (from pg_root in Apache config). 711 $pg{directories}{root} = "$pg_dir"; 712 $pg{directories}{lib} = "$pg{directories}{root}/lib"; 713 $pg{directories}{macros} = "$pg{directories}{root}/macros"; 714 715 # 716 # The macro file search path. Each directory in this list is seached 717 # (in this order) by loadMacros() when it looks for a .pl file. 718 # 719 $pg{directories}{macrosPath} = [ 720 ".", # search the problem file's directory 721 $courseDirs{macros}, 722 $pg{directories}{macros}, 723 ]; 724 725 ##### "Special" PG environment variables. (Stuff that doesn't fit in anywhere else.) 726 727 # Users for whom to print the file name of the PG file being processed. 728 $pg{specialPGEnvironmentVars}{PRINT_FILE_NAMES_FOR} = [ "professor", ]; 729 730 # Locations of CAPA resources. (Only necessary if you need to use converted CAPA 731 # problems.) 732 $pg{specialPGEnvironmentVars}{CAPA_Tools} = "$courseDirs{macros}/CAPA_Tools/", 733 $pg{specialPGEnvironmentVars}{CAPA_MCTools} = "$courseDirs{macros}/CAPA_MCTools/", 734 $pg{specialPGEnvironmentVars}{CAPA_GraphicsDirectory} = "$courseDirs{html}/CAPA_Graphics/", 735 $pg{specialPGEnvironmentVars}{CAPA_Graphics_URL} = "$courseURLs{html}/CAPA_Graphics/", 736 737 # Size in pixels of dynamically-generated images, i.e. graphs. 738 $pg{specialPGEnvironmentVars}{onTheFlyImageSize} = 400, 739 740 # To disable the Parser-based versions of num_cmp and fun_cmp, and use the 741 # original versions instead, set this value to 1. 742 $pg{specialPGEnvironmentVars}{useOldAnswerMacros} = 0; 743 744 # Strings to insert at the start and end of the body of a problem 745 # (at beginproblem() and ENDDOCUMENT) in various modes. More display modes 746 # can be added if different behaviours are desired (e.g., HTML_dpng, 747 # HTML_asciimath, etc.). These parts are not used in the Library browser. 748 749 $pg{specialPGEnvironmentVars}{problemPreamble} = { TeX => '', HTML=> '' }; 750 $pg{specialPGEnvironmentVars}{problemPostamble} = { TeX => '', HTML=>'' }; 751 752 # To have the problem body indented and boxed, uncomment: 753 754 # $pg{specialPGEnvironmentVars}{problemPreamble}{HTML} = '<BLOCKQUOTE> 755 # <TABLE BORDER=1 CELLSPACING=1 CELLPADDING=15 BGCOLOR=#E8E8E8><TR><TD>'; 756 # $pg{specialPGEnvironmentVars}{problemPostamble}{HTML} = '</TD></TR></TABLE> 757 # </BLOCKQUOTE>'; 758 759 ##### PG modules to load 760 761 # The first item of each list is the module to load. The remaining items are 762 # additional packages to import. 763 764 ${pg}{modules} = [ 765 [qw(DynaLoader)], 766 [qw(Exporter)], 767 [qw(GD)], 768 769 [qw(AlgParser AlgParserWithImplicitExpand Expr ExprWithImplicitExpand utf8)], 770 [qw(AnswerHash AnswerEvaluator)], 771 [qw(WWPlot)], # required by Circle (and others) 772 [qw(Circle)], 773 [qw(Complex)], 774 [qw(Complex1)], 775 [qw(Distributions)], 776 [qw(Fraction)], 777 [qw(Fun)], 778 [qw(Hermite)], 779 [qw(Label)], 780 [qw(List)], 781 [qw(Match)], 782 [qw(MatrixReal1)], # required by Matrix 783 [qw(Matrix)], 784 [qw(Multiple)], 785 [qw(PGrandom)], 786 [qw(Regression)], 787 [qw(Select)], 788 [qw(Units)], 789 [qw(VectorField)], 790 [qw(Parser Value)], 791 [qw(Parser::Legacy)], 792 [qw(Apache::Log)], 793 ]; 794 795 ##### Answer evaluatior defaults 796 797 $pg{ansEvalDefaults} = { 798 functAbsTolDefault => .001, 799 functLLimitDefault => .0000001, 800 functMaxConstantOfIntegration => 1E8, 801 functNumOfPoints => 3, 802 functRelPercentTolDefault => .1, 803 functULimitDefault => .9999999, 804 functVarDefault => "x", 805 functZeroLevelDefault => 1E-14, 806 functZeroLevelTolDefault => 1E-12, 807 numAbsTolDefault => .001, 808 numFormatDefault => "", 809 numRelPercentTolDefault => .1, 810 numZeroLevelDefault => 1E-14, 811 numZeroLevelTolDefault => 1E-12, 812 useBaseTenLog => 0, 813 defaultDisplayMatrixStyle => "[s]", 814 }; 815 816 ################################################################################ 817 # Compatibility 818 ################################################################################ 819 820 # Define the old names for the various "root" variables. 821 $webworkRoot = $webworkDirs{root}; 822 $webworkURLRoot = $webworkURLs{root}; 823 $pgRoot = $pg{directories}{root};
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